home Cats Why the cat eats little and is thin

Why the cat eats little and is thin

Normal weight of the animal

It is possible to determine that a cat has extra pounds or has a clear drawback, knowing the normal weight of the animal. This indicator is indicative and depends on many factors. If the owner has a non-purebred animal, then the normal weight can range from 3.5 to 4.5 kg.

Adults of the popular British breed weigh between 5 and 8 kg. Large breeds such as the Maine Coon normally weigh between 8 and 12 kg. Experienced breeders use special tables that indicate the breed standard by weight, depending on the age and sex of the animal.

As a rule, males are larger and females are lighter in weight. Sterilized individuals often have a more plump condition than their non-castrated counterparts. For example, the weight of a neutered male British breed can reach 10. 12 kg, and a neutered cat. up to 7 kg.

We recommend reading about how cats die. You will learn about the signs of the inevitable approach (pulse, breathing, temperature), the actions of the owners, the reasons why the cat leaves the house to die.
And here is more about the signs and main causes of lichen in a domestic cat.

How to fatten your pet

If the reason for underweight lies in improper feeding, then it is not so difficult to remedy the situation. If the cat is thin, than feeding the animal for the fastest weight gain. this is the question the owners ask veterinarians. After the doctor has ruled out infectious and chronic diseases, it is necessary to adjust the nutritional issues first. To correct the situation, it is often enough to start feeding the cat at the rate.

The quality of feed is of no small importance. Of course, no cheap mass-market mixtures will be suitable for solving the problem. To fatten your pet, you need proven super premium food. Their formulations are balanced in protein, fat and carbohydrate content, and also have a full range of essential vitamins and minerals.

If the cat is very thin, what can you do to get it in shape? When feeding with natural products, attention should be paid not only to the quantity, but also to the quality of the products. First of all, meat should be in the animal’s diet. Preference should be given to lean beef, turkey. The proportion of meat in the diet must be at least 50%.

For normal digestion, be sure to give your cat vegetables: carrots, pumpkin, turnips. The source of carbohydrates necessary for feeding an animal is cereals, which contain buckwheat and rice cereals.

We recommend that you read about how many times a day to feed your cat. You will learn about the benefits of feeding on a schedule, whether to leave food on the plate for your cat, how to determine the presence of obesity or wasting by weight, examples of the optimal menu.
And here is more about how to feed a kitten without a cat.

Signs of animal exhaustion

Before looking for a reason why a cat is thin, the owner must make sure that the animal’s weight is indeed below normal. You can determine the degree of fatness of a pet by focusing on the average weight indicators for individuals of a particular breed.

Underweight and wasting can be detected visually. Examining the pet from above, you need to pay attention to the silhouette. If it resembles an hourglass, then we are talking about a clear deviation from the norm. over, the closer the silhouette resembles the shape of an hourglass, the closer the cat is to a state of exhaustion. Skinny cats have a sunken or toned belly.

The owner can obtain objective information about the condition of the pet by probing the body of the cat. If the ribs are well felt under the fingers, the presence of adipose tissue on them is not felt, then we can conclude that the cat has insufficient live weight. When feeling the base of the tail in an emaciated animal, bones are well felt.

Signs that should alert

If your pet has a hint of exhaustion, the owner needs to look for other signs. If the cat is very thin, what to do in such a situation? If exhaustion is a consequence of the disease, then other signs will certainly be observed. The following symptoms should alert the owner:

  • Decreased appetite, refusal to feed. With dental diseases and stomatitis, the cat approaches food, but does not eat or eats little.
  • Bad breath. This phenomenon is observed both in diseases of the oral cavity and in pathologies of the gastrointestinal tract, kidneys, liver.
  • Apathetic state of the pet, lethargy, decreased physical activity, the animal spends a long time in a dream.
  • Diarrhea, constipation, vomiting, and other digestive problems. Blood, mucus, undigested feed particles are signs of a serious gastrointestinal illness.
  • Pale or icteric mucous membranes. May indicate liver or kidney problems.

Signs of jaundice in a cat

  • Lachrymation, purulent discharge from the eyes are characteristic of many infectious diseases, helminthiasis.
  • High temperature accompanies numerous infectious and inflammatory diseases.

Possible reasons why the cat is thin, and the owner’s actions to solve the problem

Taking care of his furry companion, the owner often pays attention to such a parameter as the weight of the pet. This indicator characterizes the health of a home stay-at-home. Therefore, if excessive thinness is observed, the owner tries to find out the reasons why the cat is thin. There are many factors affecting a pet’s weight: from genetic predisposition to serious health problems.

Weight loss reasons

Pet weight loss can be triggered by a variety of factors. Experienced breeders cite poor feeding practices, poor quality feed, and an unbalanced diet as the most common causes of malnutrition. Often the reason for the small mass is the discrepancy between the food and the pet’s taste preferences.

The simplest parasites can also lead to feline thinness, disrupting normal digestion in the animal. Severe flea infestations can also lead to malnutrition.

The presence in the body of neoplasms of various forms (malignant and benign) also leads to the fact that the weight does not go up.

Numerous factors leading to thinness in a cat make it difficult to identify the true cause of this phenomenon. In addition to exhaustion, the pet may have other symptoms that indicate a particular disease.

Feeding errors

Experienced breeders and veterinarians have noted the following feeding errors that lead to weight loss in a cat:

  • Small portions of food that do not meet the physiological needs of the animal. Some owners do not take into account the breed, age and sex of the animal when feeding.
  • Unbalanced diet or its inadequacy to the pet’s needs. For example, chronic protein deficiency sooner or later leads to thinness.
  • Feeding without taking into account the taste preferences of the animal. Cats are great conservatives, especially when it comes to food. If the pet wants to eat dry food and refuses to eat natural food, then it should be fed with ready-made food.
  • Incorrect food bowl positioning. Close proximity to the toilet, placement in a noisy and walk-through room does not contribute to a good appetite.

For the basic principles of feeding cats, see this

Knowing the many reasons for pet weight loss, the owner will sound the alarm in time. After excluding infectious diseases and other serious pathologies in a pet by a veterinarian, attention should be paid to proper nutrition of the animal.

Skinny cat: what to do and how to “feed

However, improper nutrition can negatively affect the condition of a young cat.

Old age

Old age can also be the reason that the cat is very thin. what to do in this case? First of all, it is worth checking the teeth of the animal. Perhaps a toothache does not allow the old man to eat his usual food. Then the diet will have to be changed. for example, transfer the cat to soft types of food.

Weight loss reasons

What can cause a cat to be thin? There are a number of possible reasons:

  • Disease;
  • Parasites;
  • The period of sexual activity;
  • Feeding kittens;
  • Old age;
  • Improper nutrition.

Frequent mistakes

You can not mix ready-made food and food from the master’s table in the pet’s diet. Even if your cat is thin, it is highly discouraged to do such “indulgences” that are harmful to his health.

If your pet is dear to you, you should not give it cheap cat food. plant components, which are abundant there. They will not saturate the predator, although outwardly it will seem that he has eaten a lot.

Why is My Cat Losing Weight. the Top 9 Causes


As for diseases, almost any ailment can lead to thinness. We ourselves, getting sick, lose our appetite and kilograms. Cats most often lose weight if they have problems with the heart, liver, kidneys, thyroid gland, diabetes or metabolic disorders.

In unvaccinated baleen, weight loss is possible against the background of viral diseases. plague, rabies and many others. In this case, the fight for kilograms must begin, of course, with diagnostics and treatment.


Worms are one of the most common causes of weight loss in cats. Even regular intake of anthelmintic does not guarantee 100% protection of the cat. Worms are of different types and there is a possibility that the animal is being given medication that simply does not help.

By the way, you cannot worm a cat more often than recommended in the annotation to the drug. this is very harmful and also leads to unhealthy thinness.

Stress, mating and feeding kittens are temporary. Coming out of any of these states, cats, as a rule, return to their usual form. and the question “what to do: the cat is very thin” is removed by itself.

If the cat is thin: what to do, how to help?

It seems that we all know that being slim is a sign of health. And the cats, which nature has created as hunters, to be light and graceful, as they say, God himself commanded. And yet, excessive thinness often worries the owners, especially if the animal has lost weight, which used to be, as they say, good.

The right diet for your cat

But in the line of premium food, there will certainly be a look that suits your slim woman. If your choice is “natural”, do not try to fatten the thin cat with something fatter. So he will only earn additional problems.

The diet of a strong cat should contain a lot of protein: meat or fish. Cereals are welcome. rice or oatmeal. Also, to provide the pet’s body with the necessary vitamins and trace elements, you can and should give him special dietary supplements for cats.

But before you start “fattening”, still show the cat to the veterinarian. perhaps his grace is innate and does not require adjustment.

Hello, I’m Polina. I have a Siberian cat. It feeds on fish and sometimes meat. But mostly feed. At the age of 1, he began to lose weight. What to do?

Hello Polina! We answer you on behalf of the resource “Cat, dog and me”. We cannot call your pet’s nutrition correct. We recommend that you do not mix fish, meat and feed in random order, but feed your pet in a balanced way. either with a specially prepared homemade diet or high-quality ready-made food, observing the standards recommended by the manufacturer.
In the article under which you left a comment, as well as in the answers to users’ questions under it, we examined in detail the reasons for thinness and possible options for action in a given situation. Please read. If after that you still have any questions, ask, we will try to answer.

Hello, tell me please, I have a Maine Coon cat, weighs 3600, is a year and three months old, eats well, is stable in the toilet, there is no loose stool, quite playful and playful, what could be the problem of her thinness?

Hello Yana! Unfortunately, you did not write if your cat is spayed and how you feed it. For a purebred Maine Coon in a year and three months, the weight of 3.6 kg is really small, and if the cat has an admixture of other blood, then this weight can be considered quite normal. Is the cat really thin? After all, this is a rather subjective indicator. It is impossible to judge only by the mass. When you stroke her, are her ribs, spinal column and pelvic bones easily felt? If your pet has a normal appetite and stool, then there may be problems with the absorption of nutrients. The article above has details on this topic. Your cat may need to have a fecal sample taken to find out how well the food is digesting. Maybe the diet you give her is too low in calories, or the portions are too small against the background of the high mobility of the cat. Think about it, we hope that the issue will be resolved!

the cat soon became thin for 16 years and lately is very growling in the stomach. the cat is not sterilized. what reason ?

Hello! Thinness in older animals can occur for many reasons, from chronic kidney damage to neoplasms. From our side, it would be unprofessional to talk about any specifics at a distance. Overflow and rumbling in the abdomen can be symptoms of a malfunctioning pancreas. To identify clearly what your pet is suffering from, we recommend finding a competent doctor and passing a clinical and biochemical analysis of the cat’s blood. This is a standard examination protocol that should help clarify the situation.

Hello. My cat is not a domestic one. is walking in the street. comes home to eat and sleep (we live in the village). We feed natural and sometimes cat food. Recently, she has become very thin and light (but eats well), her hair has begun to fall out, has become weak and her face has deteriorated a little. She is about 4-5 years old. Help me please!

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Hello! The symptoms you mentioned may indicate a wide variety of diseases. Pets lose weight dramatically, usually in the case of tumors, with any hormonal disorders or with kidney pathologies. It is not entirely clear what you mean by the words “face worsened”. As the cat is weakening, we strongly advise you not to waste time and take it to the nearest veterinary clinic. As a rule, in this case, it is required to take at least a clinical and biochemical blood test. based on their results, it will be possible to draw some conclusions about what is happening with the pet’s body. It is also advisable to carefully examine the cat and palpate the areas of its abdominal cavity and lower back. Unfortunately, we cannot help you with anything else in such a situation. It is unprofessional and impossible to treat at a distance, therefore, we sincerely wish you to find an adequate doctor who will give your pet all the necessary attention.

Hello! I have a young cat-Canadian Sphynx, she is 1 year and 3 months old. She is on dry food “Karmi”, not sterilized, very mobile, cheerful, but her thinness worries me! All vaccinations are made according to age, every 4 months we leaf! Can I add something to her diet? Her pelvic bones protrude from above, and when you look at her, the tummy falls on the sides (((.

Tatiana, hello! Your cat is likely not gaining weight precisely because it has not been spayed. Perhaps you are feeding her not in accordance with the needs that she has. check the nutrition, whether the cat is getting enough of the dosages of food that she receives. If you do not plan that the cat will give birth to kittens in the future, we recommend sterilizing it.

Hello! I have a domestic cat, he is one and a half years old, not neutered. Somewhere at the end of December, at the beginning of January, he began to lose weight. The appetite also worsened. I have become very whimsical in food, I feed him Pro plan dry food, and sometimes Purina One. He does not eat the same food more than two times in a row. When he is hungry, he starts to vomit bile. The wool began to climb. Glistogonil 1.5 months ago. Please tell me what could be the reason.

Hello Tatiana! It is not recommended to give anthelmintic drugs to not completely healthy animals. Judging by what you wrote, the cat may have a liver problem and / or some other abnormalities in the gastrointestinal tract. He may need a course of treatment and a change in diet, and even a diet, but a diagnosis must be made first. We strongly advise you to contact a trusted doctor with your cat, and be sure to pass a complete biochemical blood test. this will allow you to understand what is happening with the pet.

Hello. I have a cat, they took it when she was about six months old. And then she was already thin. Now she is about 3 years old. She eats well, mainly eats wet food or liver. And still very thin. What should I do? And the fact is that I do not understand cat breeds, so I don’t know what breed she has.

Hello Alena! Thinness in cats can be associated with a variety of reasons. We recommend that you take a clinical and biochemical analysis of the cat’s blood and analysis of its feces in a reliable clinic. This will make it possible to draw conclusions about the state of her organs and systems, how well her food is digested and absorbed, whether she has helminths. Based on the test results, you need to consult a doctor and then decide what to do. If the cat is not spayed, then it is better (if the tests confirm that it is completely healthy) to spay the pet, since it is not a breeding animal. After all, hormonal activity in sexually mature cats can also be one of the reasons for thinness. As for feeding, we would recommend that you choose a high-quality complete food for your cat, and feed it according to the standards recommended by the manufacturer, and leave the liver only as a treat, and give it no more than 10-15% of the total diet. If you want to know whether your cat is a purebred or what kind of cat she looks more like, you can send us a photo of her, and we will express our opinion on this matter.

Good day. We bought a cat (a cross between a Scottish and a Briton). Poorly gaining weight. Refuses dry feed (bought good, expensive), eats only boiled meat, fish. The cat is 2.5 months old, very playful, there are no health problems. Tell me what to fatten your baby?

Olesya, hello! At 2.5 months, kittens are growing quite actively, and they need to be provided with adequate nutrition. It is necessary to transfer the kitten to dry food gradually, within 10-14 days, adding several granules of the new product to the usual food, and gradually replacing the old diet with a new one, observing the cat’s behavior, stool, urination and general condition and mood. This is the only way to get the kitten to start eating the new food successfully. Our advice: transfer your baby to a high-quality complete food that suits him, and exclude home-made fish. In the photo you sent us, the kitten does not look emaciated. If you want, you can make and send us a few more photos of the cat, when he is standing. from the side and from above, we will be able to better examine his condition and perhaps give some additional comments.

Cat, 1 year old Scottish Fold (2 kg 300 g). Thin, there were problems (gastroenteritis) 3 times, now everything is fine, but she began to lose weight, she was not sterilized, the girl was not in heat, and at the moment she is not in heat either. No parasites, active. Wet food. AlmoNature, dry AlmoNature, RoyalCanin. Others are not fed or fed.

Hello, your cat is very small, you need to go to the doctor and examine her. Maybe the food is poorly absorbed due to chronic gastritis, maybe the hormonal system works like that, maybe it’s a developmental delay or just the kitty is young and weak. Low weight can affect the absence of heat. On nutrition. you need to check whether she eats the daily feed rate, if not, then you need to find out why. We hope that the doctor will be able to help and the cat’s condition will improve.

Hello, what if the cat is very thin? When we first started her, she was very thin and remained so. She often vomits, she was fed with dry food, it did not help, and when we started with wet food, she stopped for a while. But then and after it began to puke. He lives with us for about 6 months. Very often asks for a cat and yells. What to do?

Nikita, hello! Your cat has high levels of sex hormones, and only spaying will help to make her calmer. Regarding vomiting regularly, it signals some kind of illness. Before thinking about a sterilization operation, you need to show the cat to the doctor and pass tests. first of all, blood biochemistry, in order to evaluate the state of the pet’s internal organs. If you do not regularly conduct anthelmintic activities, it is possible that vomiting is associated with helminthiasis. you need to study the vomit, the doctor will ask you to tell how they look, and so on. These are only general assumptions, we recommend not to hesitate, urgently examine and treat the cat. You cannot perform surgery on an animal that is unhealthy. there is a very high risk to its life.

The cat is 7 years old, Persian, she actually was always thin. For the winter she gained a little, and by the summer she was again thin. She had stomach problems. That is why she eats diet food, loves liquid food, but not often. Maybe eat them one day and then does not even look, eats more dry food. Does not eat food with additives at all. But he doesn’t eat anything from the table either. Sometimes vomiting is not clear from what, mainly after a while while eating. The cat is active. Not sterilized. The bones are felt. Goes to the toilet normally. Sometimes twice a day.

Hello! You should deal with several reasons for what is happening at once: 1. If a cat has historically had problems with the gastrointestinal tract, then you need to look for an experienced doctor who will systematically deal with treatment and diet. 2. You need to resolve the issue of feeding either on your own or with a doctor, determine the diet and adhere to it quite strictly. The animal may not have enough nutrients to gain weight (such as animal fat or protein), or the calorie content of the feed may be insufficient. 3. It is necessary to resolve the situation with sterilization. Sex hormones reduce appetite during estrus, and more. If the cat does not mate and does not give birth, then estrus negatively affects the health of the reproductive organs and weight loss.

Persian cat 20 years old. She became very thin, weighs 2400 kg. He constantly sticks out his tongue, growls in his stomach, does not eat anything, the coat has become bad, dandruff. Please tell me how to help her. Worms were given a month ago. There were ribbons in my opinion, small as cucumber seeds and crawling quickly.

Tamara, hello! You have a very old cat, we can say that deep old age has come, the body begins to fail just for this reason. It is possible that some organs are already working poorly. This can be found out by passing urine and blood tests (biochemistry). Such pets need an examination by an experienced doctor and therapeutic support. It is advisable for the doctor to prescribe soft preparations for the treatment of worms, taking into account age and weight. Try to find such a specialist and do not delay your visit.

Good afternoon, can you tell me whether a purebred cat or not?

Lisa, hello! Probably, after all, this is a mestizo, not a purebred cat. the features of the Russian blue are guessed, but the eyes are yellow. Is it a cat or a cat? Very cute animal)

Hello! Our kitten. British golden chinchilla. is 7 months old. It weighs only 2.700. Eats Royal Canin dry and canned Royal Canin or ProPlan. Sometimes we give boiled veal, sea bass and chicken (cook minimally). Do not mix with artificial feed. The kitten has always been thin but playful. Eats little and often. But he goes to the toilet 2 times a day. Recently, he began to play a little. Asleep. The coat is shiny. There is treatment for worms. Is it worth sounding the alarm because of the low weight?

Hello Oksana! If you took a kitten from a breeder, then you can navigate by the weight of its closest adult relatives, which approximately it should be by a year and a half, when it gains weight. While he is still actively growing, and if the ribs and pelvic bones are not felt when stroking, it is unlikely that he is too thin. Eating in the “little and often” mode is physiological and absolutely correct for cats, while it is also important that he gets enough water. it is better to place 2-3 bowls in different places of the house, convenient for the kitten’s access. Also check if the kitten receives the required portion of the finished food per day. If you are combining dry food and wet food, then calculate the intake of both. perhaps the kitten is malnourished? It is not useful to regularly mix ready-made feeds with natural products, you will not be able to properly balance nutrition in such a situation. It is somewhat embarrassing that the kitten’s activity has decreased. however, if this is due to the onset of summer, it may be hot and does not want to move a lot. Analyze this moment, if there are any other warning signs in terms of health?

Hello. We have an ordinary red mongrel cat, 4.5 years old. Not neutered. Doesn’t walk on the street. Since birth, he lives in an apartment. I started to lose weight dramatically in the middle of this summer, then I gained. But in September I lost weight again. Can eat food and in half an hour the food is on horseback. That is, he could not digest it and rejection occurred. And so he walks thin. Drinks water. Before all this, he ate with great appetite and the weight was in order. He ate homemade food: cereals, meat and fish. We cooked everything ourselves. We give vitamins sometimes. That is, everything was in order, the food was being digested. But not now. Began to give already gelled food And to feed separately from others. But also jelly vytashnitsya if there is a lot. The appetite is there, not digesting. They transferred him to a diet food plan (canned food). Worms were made at the beginning of summer, and then he drained out half of the drug. I’m not sure if the drug got inside. Yes, I understand that we need to go to the doctor and we will go, but we need your opinion. thank.

Hello Maria! Uncastrated cats are generally prone to thinness, but judging by the symptoms you describe, your pet does have a reason to see a doctor. We would not advise to postpone, since the problem has been observed since the summer. The diet that you described (cereals, meat, fish), of course, is not at all balanced. It is difficult to say what caused vomiting, it can be gastritis, and disruption of the enzyme system, and something else. Giving a cat a diet without a doctor’s prescription is completely wrong, because you do not yet understand what is happening to the pet, and the wrong product can harm him. In general, our opinion is the following: the cat needs to be examined as soon as possible, at least, a urinalysis and a clinical and biochemical blood test should be passed, therefore we recommend that you take it to the clinic as soon as possible.

Hello. My cat hasn’t been home for a year. precisely, he walked around the house, I saw him, but I did not go to any of them either on his hands or home. About a year passed and he suddenly came home himself. He looked deplorable. But the worst thing is that he is very thin. There was loose stools. But we cured it, we gave pills for worms. We feed canned food for kittens, and dry royal canin. Now they began to introduce chicken in small pieces. About 4 months have passed, but he is not gaining weight. What it was and is. Goes to the toilet well. Eats well too. It seems a little that he has no strength. But everything seems to be fine. If not his thinness. To vet. They went to doctors, but no one said anything sensible.

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Marina, hello! We do not know what examinations the doctors performed when you showed them the cat. If the results do not reveal any pathologies, then if your cat is not neutered, thinness may be the norm for him, because this is affected by his hormonal background. If you want him to gain a little weight, we recommend either neutering the pet, or, if he does not mark in the apartment, choose food intended for active cats or for cats with access to the street, and give it according to the standards recommended by the manufacturer. By the way, check the feed rate that you give, it may be insufficient. Most likely you are making a common mistake. weighing the cat and calculating the feed rate according to its weight. But the weight is not enough! Therefore, you need to remember what weight was normal for him and give as much feed as needed according to the normal weight. We also advise you to observe his appearance and behavior, as well as urination and defecation.

Hello! Children have a kitten-girl, she is 5 months old. She is fed 1 sachet a day with liquid food and Proplan dry food for kittens. Active, but looks thin and constantly begs for food. Maybe she’s missing?

Alarming symptoms

If the cat is very thin, first of all it is necessary to observe its condition and behavior. The following symptoms should be of concern:

  • unpleasant odor from the mouth;
  • lethargy, decreased activity and lethargy;
  • increased body temperature;
  • diarrhea or constipation, vomiting;
  • purulent discharge from the eyes;
  • refusal to eat.

These signs can occur with helminthic invasion, infections, disorders of the gastrointestinal tract and other serious diseases. If one or more symptoms are found, the animal should be examined by a veterinarian.

Why is the cat thin?

A cat can look thin for completely natural reasons. In most cases, with a good appetite, the animal will soon begin to recover and return to normal. Natural (physiological) reasons include:

  • Feeding the offspring. the thinness of the cat during the feeding of the kittens should not be a cause for concern. The female will recover after the cubs switch to regular cat food.
  • Mating period. during the mating season, cats are characterized by a lack of appetite due to hormonal stress. Especially important for animals accustomed to self-walking.
  • Stress. Cats can get stressed in certain situations. In this case, the animal loses weight, because it eats little or refuses food. The reason may be a move, a change of owner, the appearance in the house of a child, another cat or dog.
  • Change of food. if the cat is offered a new food, he may eat less of it or refuse the treat altogether. If over time the animal does not adapt, it is necessary to return to its usual diet.
  • Age. If the pet is young, overly active, plays often and moves a lot, weight loss is considered a natural consequence. Older cats are also prone to thinness as the body stops storing fat stores. In this case, it is necessary to make a visit to the veterinarian to exclude diseases.

Physiological reasons do not cause concern, but you can pay attention to the nutrition of the animal. is it healthy and nutritious enough?

It is bad if the cat shows signs of exhaustion, this indicates the presence of diseases. If the cat has lost a lot of weight, most likely the reason lies in one of the pathologies:

  • Parasites. helminths are a very common cause of a pet’s thinness. Worm infestation disrupts the animal’s digestion processes. And the waste products of parasites lead to intoxication of the body. Therefore, it is important to give the cat anthelmintic drugs on time.
  • Infectious diseases. such diseases as calcevirosis, panleukopenia, viral peritonitis and rhinotracheitis are accompanied by dehydration and lack of appetite. Symptoms: nasal and eye discharge, diarrhea, high fever. If these signs appear, you should immediately contact your veterinarian. Lack of timely treatment can be fatal.
  • Oncology. the presence of malignant tumors can also cause malnutrition. If a tumor is suspected, the veterinarian will prescribe an ultrasound.
  • Teeth and gums. it happens that the cat cannot eat for dental reasons. If the animal is interested in food, but cannot eat, it is necessary to show it to a specialist.
  • Other diseases. almost any disease can lead to weight loss. The cat is losing weight in case of problems with the kidneys, liver, heart, thyroid gland, metabolic disorders, viral diseases. An accurate diagnosis can only be made by a qualified specialist.

Any of the pathologies requires immediate veterinary intervention. Only a veterinarian can determine why a cat is thin and prescribe the necessary treatment. A preventive visit to the clinic once a year is also recommended to check the general health of the animal.

Deviation or norm?

Before taking any action, you need to make sure that the pet is really very thin. Each breed has its own average performance. For example, mongrel cats weigh from 3.5 to 4.5 kg, British and Siberian breeds. from 5-7, Maine Coons. from 8 to 12.

Understanding how cats eat

Lack of weight can be determined by feeling the body of the animal. If the ribs are well felt, and the body fat is insignificant, this is a deviation from the norm. In the case when the physiological reasons listed below are excluded, a doctor’s consultation is required.

An alarming sign, if the cat looks thin visually, its ribs, spine and pelvic bones stick out, there is no fat layer. At the same time, the belly is sunken, and the silhouette resembles an hourglass. Such signs indicate depletion of the body. Requires veterinary examination and serious treatment.

Why the cat has lost a lot of weight, but eats well?

A loving owner always makes sure that his pet eats right and is moderately well-fed. The breeder becomes concerned if the cat is thin but eats well. The reasons why an animal does not gain weight are different, from genetic to serious diseases. When is thinness considered normal, and when is it a wake-up call? Let’s try to figure it out.

Healthy cat diet

The owners themselves are often to blame for the fact that the pet has problems with weight. Often, people overfeed their pets, leading to obesity or, on the contrary, provide insufficient food. A common mistake breeders make is feeding unbalanced or poor quality food.

Fortunately, the problem of poor nutrition can be easily fixed at home by taking care of a healthy pet menu.

What if the cat is thin but eats well? It is necessary to include in her diet the products necessary for normal life. First of all, it must be remembered that cats are predators and their menu should consist of 50% meat products. The pet should also drink well, so there should always be fresh, clean water in the bowl.

If the cat is thin, its diet must include:

  • lean boiled meat (beef, chicken, turkey);
  • vegetables (carrots, pumpkin, spinach);
  • cereals (buckwheat, oatmeal, rice);
  • liver (beef, chicken);
  • dairy products (natural yogurt, cottage cheese);
  • boiled fatty fish (herring, sardine, mackerel, salmon species).

Special vitamin complexes and dietary supplements will also help to correct the situation. And if the cat eats ready-made food, then among the premium-class positions there will definitely be a high-energy species that can solve the problem.

Proper nutrition is essential for the health of your pet. Balanced food, attentive attitude of the owner, timely referral to specialists will help the pet to remain plump and live a happy cat’s life.


It would seem: during pregnancy, a cat should eat a lot more, because she needs not only to receive energy herself, but also to feed the babies. But there are times when a pregnant cat refuses food for a day or two. The two main reasons why a cat began to eat poorly during pregnancy are toxicosis and early birth. With toxicosis, the cat refuses to eat, vomiting may occur. If the temperature at this moment is normal, then there is no reason for concern. everything will go away by itself.

Also, the cat usually stops eating a day or two before giving birth, so if the deadline is already coming up, you should not worry about refusing to eat. After giving birth, things usually return to normal very quickly. But it is worth mentioning that all this is strictly individual. a cat may not experience toxicosis at all, and also eat almost during childbirth. nature itself determines what is normal and what is not.


Cats are very susceptible to stressful situations, and may well lose their appetite due to worry and anxiety. If your cat does not eat well and is losing weight, you should pay attention to the changes that have occurred in the family or in the house, as well as the situation in your family nest. Cats react very sharply to family quarrels or punishment. If you are sure that the cause of your pet’s stress has been eliminated, you should devote more time to active games with the cat and communication with the animal, and then after a while everything will return to normal.

Pet health: why the cat eats poorly and loses weight

Sometimes the cat begins to eat little, loses weight, his behavior, mood and habits change. Even in the absence of obvious signs of ill health, the situation worries the owner. The reasons are different. Appetite and appearance are influenced by the age and stages of puberty of the animal, hormonal changes in its body, features of eating behavior and other factors.


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It is difficult to immediately determine why a cat is eating poorly and losing weight. The owner should take a closer look at the behavior of the animal, perhaps some signs indicate a probable cause. Refusal of food and an unhealthy appearance of a pet do not always indicate the presence of a disease, although this possibility cannot be ruled out. Simultaneously with the unwillingness of the cat to eat, it should alert:

  • lack of interest in games;
  • unkempt appearance;
  • unnatural behavior;
  • no stool or diarrhea;
  • refusal of water;
  • dry nose (increased body temperature).

These are only general symptoms, they are superficial, can be observed in part, but in this case there is a reason for unrest.

It happens that the pet refuses to eat for some time or eats less, but its weight, taking into account age and other characteristics, remains normal. It is considered natural for a cat to refuse to eat for several days, provided that he drinks water well. This will not harm the pet’s health and is associated with the ability of cats to adjust metabolic processes in the body on their own.

The so-called condition index will help to determine the degree of thinness. There are three indices:

  • 1. Exhaustion. This is the first index and can be identified by its appearance. If you look at the animal from above, its silhouette resembles an hourglass. The ribs are clearly visible and palpable. There is no fat layer between bones and ribs. The stomach is strongly pulled in.
  • 2. Insufficient weight. This is the second index and it is assigned if the ribs and bones of the animal are well felt and have practically no fatty layer, the silhouette of the cat resembles an hourglass.
  • 3. Normal weight. The third index corresponds to the condition of the cat, when the ribs are well felt and covered with a thin layer of fat. If you look at the cat from the side, then the belly should be tucked up, when viewed from above, a proportional waist is indicated.

Sometimes the owner only thinks that the cat is thin, especially with poor appetite. If an animal can be assigned the first or second condition index during external examination, this is a cause for alarm.

Healthy adult animals can lose interest in food throughout life for a variety of reasons. If the cat does not have a temperature or other obvious signs of illness, a decrease in appetite is associated with some behavioral or physiological characteristics.

Cats reach puberty at about one year of age and this period is accompanied by a hormonal surge. The consequence is often a change in the pet’s behavior: it becomes more aggressive, excited, its inviting meow ceases to be gentle and rather resembles a howl. He begins to mark territory, games have a sexual connotation. A decrease in appetite during this period is the norm. Cats become uninterested in food. they push it into the background, putting the reproductive instincts at the head.

Cats sometimes do not show such obvious signs. But their instinct is incredibly developed and even being in an apartment, through an open window, they are able to smell a cat in heat at a distance of several kilometers. The animal loses its peace and appetite with it.

If you do not take action, the pet will lose weight and look unhealthy. If the breeder does not plan breeding work, the animal must be neutered. This will greatly improve the quality of the relationship between the owner and his pet. After a while, the cat will calm down, return to its normal lifestyle, and then it will be necessary to monitor not that he has lost weight, but then so that he does not get better. If we are talking about a rural way of life and the owner is not in the mood to castrate the pet, then the cat can be released into the street, where he himself will solve his physiological problems.

Every owner has come across this physiological feature in cats. This is a normal phenomenon, a consequence of grooming, when an excess of it accumulates in the cat’s body. In medical practice, there are situations when the owner complains of a cat’s loss of appetite, thinness, untidy appearance and stool retention.

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An experienced veterinarian will always ask the question if the cat is spitting up hairballs. If this does not happen, you need to take action, because the wool clogs the intestines and the result is its obstruction. The problem is solved quite simply. the cat is given vaseline oil. Another doctor will recommend a special cat herb or veterinary paste.

There are situations when a pet has a wet nose and normal behavior, but he eats little, or even refuses to eat at all. Most likely, he is worried about something. Cats are very sensitive creatures and stressful situations can affect their feeding behavior.

  • the appearance of another animal in the house or the birth of a child;
  • moving, repair;
  • situations with high noise levels: quarrels between people, frequent presence of loud companies;
  • punishments.

The answer to stressful situations is a loss of interest in food. It is necessary to solve the problem that caused the negative reaction. If this is not possible, be patient and pay more attention to the cat, calm her down.

A common cause of decreased appetite and even refusal to eat is illiterate pet feeding. The owner believes that the cat is simply naughty and does not eat the food offered, but a sudden change in diet or eating foods that are not typical for feeding cats is considered a significant reason for refusing food. Experienced owners introduce new products gradually, carefully adding new ingredients to the usual diet.

Important: Often, owners forget an important rule when feeding cats: the presence of fresh water in the bowl! Lack of water not only provokes refusal to eat, but also causes serious illness in the animal.

It is necessary to follow the rules for storing food: open wet food is kept only in the refrigerator. Cats, with their keen sense of smell, will easily recognize spoiled food and refuse to eat it. In addition, cats are selective in terms of taste preferences and they often do not like the food offered: some prefer fish to meat or chicken liver, others hate the smell of turkey or rabbit.

The old cat loses interest in food and loses weight. This is due to age-related changes in the body, when it needs easily digestible foods, a different composition of food and a balance of trace elements. In animals after 6 years, the organs function differently, the process of assimilation of food changes. In addition, older cats and cats begin to have problems with their teeth: they grind, deteriorate, and gum disease occurs. This is an often painful process that affects the animal’s appetite and health. It is worth showing your pet to the veterinarian: treatment may be required. Decreased functions of smell and touch also lead to changes in eating behavior.

It is worth considering changing feed. Older animals prefer wetter foods such as spiders or canned food. Often cats in old age are transferred to natural feeding.

Cats are sensitive to heat. It is natural for cats to decrease their appetite when the summer is hot and there is no air conditioning in the apartment. This also happens in winter, with excessively hot batteries and dry air in the house. If your cat is drinking well and is feeling fine, there is no cause for concern, even if he has lost a little weight. This is how the pet controls its heat exchange.

In hot weather, the animal can be helped by cooling the room. It is necessary to regularly change the cat’s water, wash the bowl. Rooms should be ventilated; if the air is excessively dry, it can be humidified by hanging wet towels. There are cooling pads on sale filled with a special gel.

There are situations when a cat or a cat refuse to eat due to an object falling into its mouth. They willingly run to the bowl, but cannot eat and, as a result, stop even trying to swallow at least a piece. If the owner did not pay attention to this moment in time, the situation is aggravated, the animal loses weight and after a while completely loses interest in life. It is lethargic, does not play, meows plaintively.

Do not discount the possibility of a foreign object entering the oral cavity. Sometimes it can be a very thin fish bone that is stuck in the throat and hurts the cat when swallowing. The owner is unlikely to see it on his own, although you can try, armed with a magnifying glass and, fixing the mouth in an open state, look inside.

If it was not possible to get the item on your own, you need to contact your veterinarian as soon as possible.!

As soon as the foreign object is removed, the cat will recover.

One of the most common reasons for the lack of nutritional interest in cats and, as a result, their depletion is the infection of the pet’s body with worms or fleas.

Signs that can tell the owner that the cat has worms:

  • 1. Parerexia (transformation of the taste of food caused by intoxication of the body). the animal eats inedible food.
  • 2. Alternating constipation and diarrhea, nausea, vomiting.
  • 3. Bloating.
  • 4. Refusal to eat, significant weight loss.
  • 5. Itching in the anus (the animal “crawls” on the floor).
  • 6. Blood or mucus in feces.
  • 7. Dull, disheveled coat.
  • 8. Discharge from the eyes.
  • 9. Bad smell from the mouth.

This situation will never arise if the owner of the animal regularly (once a quarter) carries out the prophylaxis of worms to his pet.

eats, little, thin

If an infection is evident, it is worth contacting a veterinary clinic. In addition to the fact that the animal suffers, parasites are dangerous for all people who occupy the same area with the cat. There are several types of helminths and the preparations for them are different. The doctor will do a microscopic analysis of feces and select a drug for the treatment of worms.

You cannot ignore the fact of loss of appetite in a cat. Often food refusal and thinness are triggered by the disease of the animal. And if the list of symptoms includes an elevated temperature, it is all the more impossible to hesitate.

Conscientious breeders, having brought a kitten to the house, in addition to treating the animal from helminths, vaccinate their pet! It is advisable to enter data on vaccinations in the veterinary passport in order to further exclude the fact of diseases associated with viral infections.

If the animal has not been vaccinated, a viral disease can become the reason for refusal to eat and lose weight:

eats, little, thin
The main types of feline infections Manifestation
Rabies Depression, profuse salivation, paralysis of the limbs, corneal opacity and strabismus, exhaustion, vomiting, bloody diarrhea
Chumka Refusal to eat, exhaustion, high body temperature, the cat does not drink water, vomiting, diarrhea alternates with constipation, reddish spots appear on the skin, eventually turning into bubbles, pus in the eyes
Rhinotracheitis Loss of appetite, weight loss, runny nose, cough, lethargy, purulent discharge from the nose and eyes, photophobia, drooling, fever
Calcivirosis Refusal to eat, exhaustion, high fever, ulcers on the mucous membranes, runny nose, conjunctivitis
Chlamydia Refusal to eat, weight loss, lethargy, sneezing, cough, shortness of breath, conjunctivitis, rhinitis
Cat flu Decreased appetite, up to refusal to eat, high body temperature, sneezing, cough, purulent nasal discharge
Coronavirus enteritis Decreased appetite, vomiting, diarrhea, runny nose, lacrimation, lethargy, drowsiness, changes in body temperature
Feline leukemia Loss of food interest, weight loss, nausea, gingivitis, stomatitis, gastrointestinal disorders, fever, depression, enlarged lymph nodes, cough, discharge from the eyes and nose

It should be understood that the signs of these dangerous diseases may not appear in the animal in full, but this will not speak of the pet’s illness. Do not guess and self-medicate. In cases with viral and infectious diseases, the delay in death is similar. a veterinarian examination is required!

In addition to diseases against which vaccination and revaccination of animals is carried out, there is a considerable list of diseases accompanied by weight loss and decreased appetite in cats. Knowing the symptoms of the main diseases will help to make a preliminary diagnosis and help the pet in time.

Diseases of the internal organs and gastrointestinal tract Possible Symptoms What caused
Colitis Loss of appetite, diarrhea, vomiting, lethargy, severe abdominal pain, mucus and blood in feces Mixed feeding: dry food and food from the table, bacterial and fungal infections, trauma of the gastric mucosa by foreign objects, worms
Feline constipation Loss of appetite, weight loss, nausea, vomiting, lethargy, hard and dry stools, abdominal pain Intestinal obstruction (anatomical or foreign matter)
Gastritis Picky food, weight loss, lethargy, abdominal pain, alternating diarrhea and constipation, dull hair, foul odor from the mouth, white coating on the tongue Improper diet, food that is too hot or too cold, a sudden change in diet, worms, wool in the stomach
Food poisoning Refusal to eat, lethargy, fever, vomiting, diarrhea, blood in feces Poisoning by plants, poisons, household chemicals, poor quality food
Malabsorption Loss of interest in food (sometimes increasing), significant weight loss despite good appetite, diarrhea Pancreatic insufficiency, improper absorption (absorption) of nutrients due to poor functioning of the small intestine
Idiopathic intestinal inflammation Decreased appetite, weight loss, lethargy, diarrhea Drug reaction, helminthic invasion, illiterate feeding
Diabetes Loss of appetite, weight loss, increased thirst, diarrhea, vomiting, weakness, frequent urination, acetone odor from a cat. Errors in nutrition, diseases of the digestive system, viral infections, prolonged use of hormonal drugs.
Kidney disease and urolithiasis (urolithiasis) Decreased food interest, weight loss, thirst, lethargy, increased (or difficult) urination, vomiting, blood in the urine, fever Violation of the diet, improper lifestyle, anatomical and breed characteristics
Hepatic lipidosis Loss of appetite, weight loss, lethargy, drowsiness, shortness of breath, poor skin and coat condition Obesity, stress, feeding errors, lack of protein in the diet

It is not difficult to avoid many diseases by developing the right diet for your cat and organizing an active lifestyle for her from early childhood. But even when faced with a problem, knowing the symptoms and the possible reason that the cat is not eating well and losing weight, it will be easier to provide him with treatment and adequate care. It is necessary to adjust the power supply and loads to avoid similar problems in the future. It is difficult to give general recommendations for the introduction of the correct diet, because they are individual depending on each case. If there is reason for serious concern, it is more correct to contact a specialist and relieve yourself of the burden of responsibility for an incorrect diagnosis.

Symptoms of the appearance of parasites in the body can be:

  • frequent colds
  • weight loss
  • flatulence
  • tiredness and hunger
  • headaches, as well as various pains and spasms in the internal organs, especially!

If you have a pet, then you are definitely at risk!

If you have these symptoms, you just need to cleanse your body. How to do it read here

Fasting day

Sometimes it happens that your cat simply arranges a fasting day for himself, and completely refuses food for no apparent reason. This is usually due to overeating before this, or active games. It is also possible that your pet has eaten something difficult to digest and is now experiencing temporary difficulties with digestion. In general, if the cat does not eat all day, however, it feels great and behaves as usual, there is no reason to worry. It is possible that in this case the cat eats poorly simply because it does not want to, and tries to “unload” its intestines.

Postpartum period

Sometimes after giving birth, the cat completely refuses to eat for several days. Here are the reasons for this unusual behavior:

  • Birth stress (usually observed in young, inexperienced cats);
  • The cat ate several afterbirths during childbirth;
  • Difficult childbirth, after which the cat comes to life;
  • A young mother is simply afraid to leave her offspring;

If a cat does not eat well after giving birth, you should pay attention to this, because during this period your pet’s body spends a lot of strength and energy that needs to be replenished and restored. If the refusal to eat takes longer than a day, show the woman in labor to the veterinarian. An experienced doctor can easily identify the cause and help you normalize your cat’s nutrition.

During lactation, a cat should not give up food at all. the lion’s share of all the nutrients obtained by animals from food goes to milk production. This means that if you refuse food, the cat will very quickly get depletion of the body, and as a result, it will lose milk. This should never be allowed if you want to raise healthy and strong kittens.

Eating Disorder Causes

The owner should be alerted to the pet’s decreased appetite. Usually people explain this by simple whims and begin to take various actions to improve the animal’s appetite: change food, offer all kinds of delicacies, and so on. Cats are indeed very selective in their food and can be picky. But when the cat is very thin and eats little, this can be a sign of a dangerous illness.

The main reasons for poor appetite and thinness of an animal are the following problems:

  • various systemic diseases;
  • chronic infections;
  • invasion of helminths;
  • oncology;
  • persistent pain syndrome.

If your already thin cat does not eat well, then most likely he has a serious chronic illness that requires diagnosis and treatment. With age, a large percentage of animals suffer from renal and hepatic insufficiency, cancer. ignoring such problems can lead to death.

Possible reasons

In fact, there are a lot of reasons why your pet may refuse to eat. from the temperature in the room to the mood of the pet. But most of them can be divided into several groups, which are described below:

  • abrupt changes in the life of a cat;
  • natural thermoregulation of the body;
  • fasting day;
  • sexual instinct;
  • pregnancy;
  • postpartum period;
  • stress;
  • disease;

Here are the main reasons why a cat doesn’t eat well. In life, of course, other factors are possible, but the bulk of food refusals occurs precisely because of this list. Let’s take a closer look at each of them, and try to figure out together what to do to get your pet back to normal life.