home Dogs How often to give anthelmintic to a dog

How often to give anthelmintic to a dog

Anthelmintic for dogs. everything an owner needs to know

“War” with worms is an “inconvenient” topic that should be raised, discussed and studied by every owner of the tailed pet. If a dog lives in your house, no matter what size or breed it is, whether the pet walks on the street or “walks” to the litter box. it is a living creature, which means it is subject to “attacks” by helminths. It is important to understand how to choose and use an anthelmintic for dogs, why it is necessary to do it and what it can lead to ignoring such a simple rule.

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How dangerous are helminths for dogs

The law of the food chain condemns all living beings on the planet to parasitism, to a greater or lesser extent. Helminths are “immortal” masters of their craft, surviving at the expense of carriers, they produce up to 200 thousand eggs per day and find new hosts. It would seem that they were primitive creatures, but they managed to hit 25% of the people of the entire planet, how many animals suffered. it remains to be guessed.

The opinion that dogs infect people with worms, but people do not have pets. a myth! The most “popular” helminths are so widespread precisely because of their ability to adapt. In nature, there are worms that parasitize on certain species, but their minority.

Most often, parasites enter the body through the mouth in the form of eggs. A protective film protects them from gastric juice, and once in the intestines, “guests” turn into larvae and go to a new “home”. The larvae can make long and difficult “journeys”, for this they penetrate into blood vessels and blood or go “on foot”, “gnawing” everything in their path. The death of a dog due to worms is not a myth!

Naturally, the degree of damage depends on the type of parasites, most often the following fall under the “blow”:

  • Gastrointestinal tract.
  • Heart and other muscles.
  • Lungs.
  • Kidney.
  • Liver.
  • Brain.

An all-encompassing list, don’t you think? Arriving at the “place”, the larvae parasitize and grow actively. Having reached puberty, they produce new eggs, which are carried through the body with the blood, go out into the world with feces and find new “hosts”. The growth cycle takes from 24 hours to 3 months. It is important to understand that worms are a “family disease”, all people in contact, dogs, cats, ferrets and other pets become infected from each other.

It is easy to calculate that a dog that has been affected by worms for a year or more has an impressive “bouquet of guests”.

The dog is infected with helminths, how to act correctly

So, given that it is almost impossible to acquire a “clean” pet, consider the algorithm of actions:

  • Puppies are contraindicated to take anthelmintic before reaching the permissible age, 4-6 weeks. According to the rules, the bitch undergoes deworming before pregnancy, check if the breeders have missed this moment.
  • Before vaccination, worms are expelled without fail. If your puppy is still small, but may be infected, be sure to notify the doctor! The animal will pick up a gentle remedy.
  • Invasion. the most turbulent period of life and reproduction of parasites takes place in February and March (this also applies to people). “Worms” during this period is more effective. Prophylactically, events are carried out once every 3-6 months.
  • You can drive parasites only if the pet has no fleas and is completely healthy! Otherwise, the condition will worsen.
  • If the dog has a swollen belly or other abnormalities, the drug is given under the supervision of a doctor.
  • “Problematic” breeds and allergy sufferers can strongly react to anthelmintic drugs. It is necessary to discuss with the veterinarian how often to give anthelmintic to the dog, which drug and its dose.

Deworming is carried out simultaneously for all pets living in one dwelling.

Prevention of worms in dogs

In modern environmental conditions, it is almost impossible to avoid infection of a dog with worms. Since helminth eggs are found in the soil, even an indoor dog that does not go outside can become infected through dust and dirt brought from the street on people’s shoes. Thus, the only way to reduce or eliminate the risk of a dog getting worms is through prevention.

In order to prevent severe worming in newborn puppies, it is imperative to carry out the procedure for deworming the bitch before mating. Lactating bitches need to flush the nipples if there is a suspicion that they may have gotten eggs of worms. Newborn puppies are prevented from worms from 12-14 days of age. Adult dogs worm several times a year (for more information on how and how often you need to worm a dog, read below).

In addition to routine deworming, preventive measures also include preventing free walking of domestic dogs (vagrancy). as a rule, such animals are more often infected with worms. Do not allow the dog to eat the feces of other animals, as they may contain eggs or larvae of worms. It is also extremely important to provide the dog with clean water and drink, do not allow him to drink from puddles and other bodies of water and pick up food from the ground or floor.

Some types of worms can be transmitted to a dog through ectoparasites. fleas, lice, lice. Accordingly, complex antiparasitic treatment also helps to reduce the risk of helminthiasis. In addition, freshwater raw fish should not be given to dogs, as it can be infected with worms.

Common signs of worms in a dog

How to understand that a dog is infected if there is no way to get tested for worms? There are a number of common symptoms that indicate that your pet needs urgent deworming:

-unstable stools (diarrhea in a dog alternates with constipation);

-increased appetite against a background of weight loss, or lack of appetite for no apparent reason;

-dermatitis and other skin diseases in dogs;

-deterioration of the general appearance and condition of the animal (dull coat, lethargy, anemia, etc.).

With a strong infection of the dog with worms in the feces and in the anus, you can see separate “segments” or dead or live individuals, or the eggs of the worms, and often with a strong infestation, the dog vomits worms.

In small puppies, worms can be diagnosed by external signs such as bloating and prominent ribs. Often, due to worms in puppies, various deviations in eating habits are observed: against the background of an increased appetite for normal dog food, the baby also eats various inedible objects and substances, while he still looks thin. If the puppy is heavily infected with worms, he loses his appetite, he becomes lethargic, inactive. In the future, if helminthiasis is not treated, the dog begins to vomit with worms, intestinal obstruction often occurs, which leads to the death of the dog. In cases where a puppy or young dog is slightly infected with worms, the invasion often causes rickets and a lag in the development and growth of the animal.

Important! In some cases, helminthic invasion in dogs may be asymptomatic. It is not an indicator of the complete absence of worms and negative results of the analysis of feces. after all, worms live not only in the intestines. In addition, even intestinal parasites may not show up in feces immediately. To obtain reliable test results, it is necessary to take them not once, but in several stages, for example, take stool samples from a dog every day for 3 days. Repeated tests help avoid inaccurate results.

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Worms in dogs: symptoms, treatment, prevention

“Worms in a dog living in an apartment. is this possible?”, You will be surprised. Many people are convinced that only a street stray dog ​​can become infected with worms. However, according to statistics, from 60% to 80% of home pets are the “owners” of certain types of helminths.

Why are worms in a dog dangerous and how to determine the presence of an invasion? The answer to this question depends on a number of factors, first of all. on the type of worms with which the dog is infected, its age and general physical condition. A relatively reliable and quick way to diagnose helminthiasis in a dog is to pass laboratory tests, but only a small part of dog breeders do this regularly, and residents of small towns and villages often do not have such an opportunity at all.

Meanwhile, helminthiases are a very common and dangerous disease in dogs. Worms can live in the intestines, blood, and internal organs, including the liver, lungs, and heart. By clinging to the walls of organs and blood vessels or by piercing them, they cause mechanical damage that form microscopic wounds that cause anemia and infection. Also, worms “steal” nutrients entering the body of the “owner”, and together with their waste products release toxins into the blood and tissues of the dog. Worms are especially dangerous in puppies, however, they often cause serious damage to the health of an adult dog. A large number of worms can turn into a “ball” and clog the dog’s rectum, resulting in intestinal obstruction and, in some cases, death. Some types of worms in dogs contribute to the occurrence of allergic reactions and various dermatitis. Parasites living in internal organs (hepatic, pulmonary, heart worms in dogs), in the absence of timely treatment, often literally “rupture” the affected organ, leading to the instant death of the animal.

Types of worms in dogs

All numerous types of worms can be divided into three groups: round worms (nematodes), flat tapeworms (cestodes) and fluke flukes. In Russia, the most common diseases from worms in dogs are toxocariasis and toxascariasis (caused by round worms), dipylidiosis (a disease with tapeworms). To a lesser extent, mainly in the northern regions of the country, there is opisthorchiasis. a disease caused by one of the varieties of trematodes. Many of the worms that parasitize dogs are transmitted to humans (for example, roundworms).

How to choose an anthelmintic for dogs

The choice of a remedy for worms for dogs largely depends on the age of the animal and its place of residence. For example, in Russia, according to research results, newborn puppies and young dogs are most often infected with the nematode Tohosaga canis, therefore it is best to use an anthelmintic drug for dogs such as Drontal Junior, which is administered to puppies using a syringe without a needle through the mouth in the form of a sweet suspension. Also, Prazicid, Troncil, Prazitel, Pratel, Kanikvantel, Triantelm are successfully used for worming puppies (for puppies up to 1 month old. in the form of a suspension, for puppies from 1 month old. tablets for worms for dogs).

Adult dogs are recommended to give a wide spectrum of drugs, primarily Drontal Plus, Azinox and Azinox Plus, etc. It is recommended to alternate drugs, since with prolonged use of the same drug, worms develop immunity to them.

In order for the treatment of helminthiasis to be successful, you must follow a number of simple rules, regardless of what kind of medicine for worms you use for a dog:

Deworming a dog before vaccination

It is impossible to vaccinate a dog or a puppy infected with worms, since the immunity of such animals is weakened and the body may not respond in the best way to the vaccine. Since, as mentioned above, almost any dog ​​has worms in the body, each animal must be wormed 2-3 weeks before vaccination, but no later than 10 days before vaccination. Before carrying out the distillation of worms before vaccination, it is also necessary to take measures to rid the dog of fleas and other external parasites. Puppies before vaccination worm twice with an interval of 14 days and also no later than 10 days before vaccination.

How often do you need to worm your dog?

You can often come across the opinion that it is necessary to worm an adult dog every 3 months. However, is it really necessary? Of course, carrying out deworming every quarter, most likely, will significantly reduce the risk of severe infestation, but does this scheme take into account the harm that is done to the dog’s body?

Any anthelmintic drug is, in fact, a poison that has a toxic effect on both parasites and the body of its “host”. At the same time, even such a strict schedule as “once every three months” will not completely destroy all the worms. in a sense, it is impossible to get rid of them forever: this is also proved by the fact that a bitch, prophylactic according to all the rules, still transfers worms to newborn puppies. which means that a certain amount of worms in the dog’s body is always present. Thus, it makes sense not to mindlessly “drive the worms” quarterly in the hope that the dog will not have them at all, but to reduce their number and damage caused by parasites to a minimum, without harming the dog with toxic anthelmintic drugs. Do not forget that different drugs act on different types of worms. thus, it is advisable to carry out a planned distillation of worms with broad Spectra preparations before vaccination and viscous, in all other cases, it is better to get tested first to know for sure whether the dog has worms. if yes. which ones, and based on the results of the analyzes, choose the method and schedule of deworming.

If the dog looks healthy and feels well, there are no signs of infection with worms, and tests cannot be taken. you can give pills for worms for prophylaxis once every 5-6 months. To ensure the protection of the liver and kidneys, which take on the “brunt” of toxins, before, during and after the deworming event, it is necessary to give the dog hepatoprotectors (Carsil, etc.), as well as sorbents, in order to minimize harm from toxins of the drug itself and killed parasites.

Specific symptoms of a certain type of worm in dogs

Helminthiasis of dogs Causative agent Symptoms of worms in a dog
Ascariasis. Toxascariasis and Toxocariasis Roundworms of dogs Tohosaga canis, Toxascaris leonina Vomiting after feeding, hiccups, weight loss, diarrhea, constipation, bloating, bronchitis, shortness of breath, wheezing and coughing in a dog, in acute form. bloody diarrhea, pale mucous membranes, lethargy
Uncinariosis and hookworm disease Nematodes of the family Ancylostomatidae The same as with ascariasis
Dipylidiosis (cucumber tapeworm) Tape flat worms. cestode Dipylidium caninum Allergic reactions, intestinal obstruction and bleeding, perverted appetite, weight loss, “riding on the pope”, vomiting, diarrhea, constipation, sometimes cramps and salivation
Ancylostimiasis Ancylostoma caninum, Uncinaria stenocephala Anemia, diarrhea, blood in the stool, emaciation, sunken eyes, swollen feet, fainting
Esophageal (esophageal) worms of dogs Difficulty swallowing, vomiting, emaciation, coughing, choking
Heartworms in dogs Increased fatigue after physical exertion, coughing, swelling of the legs, abdomen, etc., convulsions, photophobia, “stopped gaze”
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Whether to treat pregnant and lactating women with drugs?

During pregnancy and lactation, worms cannot be expelled, since parasite remedies can harm the offspring. Then the procedure is carried out either before mating (10-14 days), or 5-6 weeks after giving birth, at the end of feeding the puppies.

But with a strong invasion, when worms can do much more harm than drugs, the doctor can prescribe treatment.

How often do you need to worm your dog?

Even if the pet lives in sterile conditions, and you think that he does not have worms, it is still necessary to regularly worm a puppy and an adult dog for preventive purposes.

Group 4. Your pet:

  • walks freely;
  • eating raw meat;
  • lives in places where the animal can have contact with wild animals;
  • goes hunting;
  • lives in a house with small children or people with weakened immunity.

Does it look like your pet? In this case, prophylaxis against worms should be carried out every month or a feces test should be taken to identify worms, then, based on its results, a decision should be made on taking the medicine.

We hope we helped you decide. But if you find it difficult to choose which group your animal belongs to, then it is recommended to give tablets for worms at least 4 times a year throughout the life of the animal.

Deworming: is this procedure mandatory?

All parasites (tape, round or flat), when injected into the dog’s body, cause clinical signs of infection: dullness of the coat, increased shedding, allergic reactions.

The degree of manifestation of symptoms depends on the intensity of the invasion.

When is unscheduled deworming necessary?

In some cases, the treatment for worms is carried out unscheduled. These include the following:

  • a couple of weeks before each vaccination;
  • before mating;
  • after contact with infected animals;
  • if symptoms occur, but in this case it is important to consult a specialist.

The rest of the time, it is recommended to run the dog according to the prescribed schedule.

It is easier for puppies to give medication in suspension.

How to worm a puppy and an adult dog correctly

Before starting to drive away worms, it is recommended to prepare the animal’s body using some kind of immunostimulant.

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If this is your first time giving a worm medicine to your dog, you should have an absorbent handy. The absorbent is also necessary when you give anthelmintic drugs to puppies and weakened animals.

Before giving your dog a remedy for worms, you need to get rid of fleas and ticks.

If there are no specific indications in the instructions for the drug, it is better to give the worm remedy to the animal in the morning on an empty stomach. Before deworming, the pet must be weighed in order to correctly calculate the dosage of the drug. Do not give the remedy “by eye”. an overdose can cause poisoning.

If the pet vomits or spits out part of the pill, the second dose of the drug does not need to be given immediately. It is better to repeat the procedure after 10-14 days.

It is advisable that the dog has a bowel movement within 6-8 hours after taking the drug. If this does not happen, you can give your pet a laxative.

When using drops on the withers, it is not recommended to bathe the dog for at least 2 hours after treatment.

Important! Anthelmintic drugs often cause dehydration and thirst. Therefore, the dog must have free access to clean drinking water.

Examination by a veterinarian

Before the procedure, the dog is shown to the veterinarian. This is necessary for laboratory examination of feces and examination of the pet. Based on the test results, the doctor selects an effective drug aimed at destroying the existing type of parasites.

The standard regimen of antihelminthic drugs may not be effective against fluke worms.

First procedure for puppies

The puppy for the first time worms no earlier than three weeks of age. In this case, the weight of the baby must exceed 0.5 kg.

Choosing a drug

For a safe procedure, special preparations for puppies are chosen. The packaging must be marked accordingly. Medicines Elanco, Milbemax meet these requirements.

It should be noted that all drugs work according to different schemes; reapplication may be required. If you comply with all the requirements, the deworming procedure is effective.

Special cases

Anthelmintic procedures are mandatory in some situations:

  • Cleaning the animal from parasites is mandatory 2 weeks before vaccination. The vaccine weakens the immune system for a while. Worms during this period can become active and cause irreparable harm to the dog.
  • Etching worms before mating (about 15 days before estrus).
  • In families where a dog lives and a child is expected, prophylactic treatment of worms is recommended. This will protect the baby from infection.

Medicines for parasites are prohibited for pregnant and lactating bitches.

For old and sick animals, the procedures for etching worms are not carried out: their body will not tolerate the action of toxic substances.

Do not prescribe drugs for worms in young dogs during the period of illness. Their use is justified 2 weeks after complete recovery.

Deworming bitches

Males can be given drugs for parasites at any time. Bitches are different.

Deworming your dogs, how many times and how important is it !!

Heat and pregnancy

10 days before mating, dogs of both sexes are recommended to carry out deworming: bitches. 10-15 days before the expected date of estrus. This significantly reduces the likelihood of infection of future offspring. After mating, it is no longer possible to give drugs for parasites.

Pregnant dogs are not treated with worms. Toxic substances in the composition of anthelmintic drugs can negatively affect the development of offspring in the womb.

What harm do worms bring

With chronic helminthiasis, toxic hepatitis develops, general intoxication, metabolic disorders, destruction of internal organs.

The presence of parasites in the intestine leads to inflammation, perforation of the walls, peritonitis. A large number of helminths can cause intestinal blockage.

The effect of parasites on the puppy’s body is especially destructive.


After the first procedure, the puppy is rewormled after 2 weeks. Then deworming is carried out a week before the first vaccination, each time the baby needs to be drunk with anthelmintic drugs before vaccination.

Examination by a veterinarian

Before the procedure, the dog is shown to the veterinarian. This is necessary for laboratory examination of feces and examination of the pet. Based on the test results, the doctor selects an effective drug aimed at destroying the existing type of parasites.

The standard regimen of antihelminthic drugs may not be effective against fluke worms.

Human parasites

The fight against helminths is a very important topic that every owner of a four-legged pet should think about and anthelmintic for dogs should be in every first-aid kit. Most pet owners believe that only a street animal can get sick with worms. This is the most common misconception.

According to statistics, about 70% of pets suffer from helminths. There are types of helminths that parasitize a certain species, but they are in minority compared to the total number of worms. What means can you deal with them?

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How often can dogs be given drugs?

Many sources say that pets should be worm-free every 90 days. But is such a frequent intake of the drug safe for the animal??

It must be borne in mind that all drugs for the fight against worms are a toxic poison that affects not only parasites, but also the animal’s body. And even frequent use of the drug will not completely rid your dog of worms.

Expelling parasites once every 2-3 months can harm the dog’s health with toxic agents contained in any drug.

If your dog looks healthy, has a good appetite, there are no external signs that helminths have started in its body, and it is impossible to carry out laboratory tests to confirm or refute this, then you can use drugs for prevention once every six months.

And in order for the process of expelling parasites from the body to be most effective, and least painful for the animal, drugs can be given to improve the functioning of the liver and kidneys. Since it is these organs that perform the main work of removing toxins from the body.

Signs that your pet has become infected with worms

The most accurate way to find out if your pet is infected with parasites is through laboratory tests. The most reliable, but also the most time-consuming method, therefore, few lovers of their pets carry out such a diagnosis.

Parasites are very dangerous for pets and can lead to dire consequences. The larvae of helminths, entering the body in the form of eggs, penetrate the bloodstream and further spread throughout all internal organs.

All this is very harmful for your pet. If there is no way to get tested, then how to find out if your pet is infected?

Here are some of the symptoms that will help you understand that you need to buy anthelmintics for dogs:

  • problems with going to the toilet;
  • the chair is constantly changing;
  • the animal loses weight, but at the same time actively eats;
  • lack of appetite;
  • vomiting;
  • hiccups while eating;
  • deterioration in the appearance of the dog;
  • parasites can pass through feces and vomit.

The presence of helminths in small puppies can be indicated by a swollen belly, protruding ribs.

Types of anthelmintics

Anthelmintic drugs for dogs are provided in the form of tablets, drops, suspensions. Each dog breeder, after choosing a good anthelmintic drug, can independently begin treatment (or prevention) of his pet.

The choice of drug will depend on several factors. The most important factor is the age of the pet. Let’s take a closer look at the types of drugs for worms. The most commonly used antihelminthic drug comes in tablets. What good remedy is preferable to choose?
Most often, veterinarians recommend these pills:

  • tablets for dogs Milbemax. An effective agent aimed at the destruction of intestinal nematodes and cestodes. This remedy is contraindicated in small puppies (up to 2 weeks old), dogs with hypersensitivity to the components, and those with disruptions in the functioning of internal organs (liver, kidneys);
  • Caniquantel tablets for dogs. An often recommended remedy. Good efficacy and rarely seen side effects. The drug is contraindicated in pregnant women. Puppies up to 3 weeks old;
  • tablets for dogs Drontal. Quite a popular inexpensive remedy. The drug is contraindicated during pregnancy, as well as in animals that have sensitivity to the main components of the tablet.

Also anthelmintic drugs are presented in the form of drops and suspensions:

  • Аdvocate. drops on the withers. Single use for medicinal purposes, and for prophylaxis once a month. It is forbidden to use puppies (under 6 weeks old), animals weakened by diseases;
  • Procox. suspension from worms. It is forbidden to use the drug in animals that have disturbances in the functioning of internal organs (liver, kidneys), have recently given birth, as well as small puppies (younger than 2 weeks).

Intoxication while taking the drug

All drugs against worms are toxic substances to one degree or another. It is difficult to predict the first time how badly your dog will tolerate such a procedure.

If you see such alarming symptoms after taking an anthelmintic drug, such as lack of appetite, rejection of water, inability to go to the toilet, this all indicates the onset of intoxication.

  • Excessive toxicity of this drug.
  • Decay of dead parasites inside the animal.

If you observe in your dog such symptoms as severe salivation, vomiting, wrong color of mucous membranes, unsteady gait, low temperature, slow breathing, watery diarrhea. you need to take immediate action:

  • If the animal was able to empty the intestines, it is necessary to examine the feces for the presence of parasites. If they are not there, then there is a high probability that the worms have curled into a ball, and it cannot come out naturally, it is necessary to give a laxative.
  • Induce vomiting if symptoms of poisoning occur.
  • Give your dog an absorbent tablet.

In any case, the best solution is always to show the dog to a specialist. Not always a person can correctly assess the situation and notice the little things that will help diagnose the problem in full.

The use of anthelmintic drugs

And if you are not sure that your animal is infected, it’s time to figure out when and how to give anthelmintic drugs to your pet correctly.

Untimely use of drugs can harm your animal:

  • taking anthelmintic drugs is contraindicated in small puppies (up to 4-6 weeks of age);
  • pregnant bitches;
  • in the presence of other parasites (such as fleas and ticks).

The first time an anthelmintic is given to a puppy at the age of 2 months, before the first vaccination. For everything to go well, it is important to follow the rules:

  • A week before giving the dog an anthelmintic, it is necessary to treat for fleas.
  • The drug should be taken in the morning before eating.
  • The dose cannot be increased, it is necessary to act strictly according to the instructions.
  • Repeated medication is prohibited, even if the animal has not ingested the drug. In this case, you can give the dog anthelmintic again, but not earlier than after 2 months.
  • 1-2 hours after taking the drug for worms, it is better to give the dog some kind of absorbent.
  • 5-6 hours after taking the anthelmintic drug, the animal should go to the toilet.
  • Make sure your puppy always has clean water because anthelmintics can dehydrate the body.

An anthelmintic must be given to a pet before vaccination. The body weakened by parasites can react negatively to the vaccine, or not develop proper immunity.

What useful have you learned?

Now you have a general overview of how to use anthelmintic drugs for your dog.

  • it is impossible to vaccinate an animal with worms under any circumstances, regardless of age;
  • if your pet’s body is weakened, then an additional one, such as vaccinations, will only worsen your pet’s condition;
  • anthelmintic for dogs before vaccination should be given 2-3 weeks before vaccination;
  • it is important to treat the dog against skin parasites: fleas and ticks before using anthelmintic drugs;
  • when observing a dog intoxication or poisoning, you need to induce vomiting, and give the dog absorbents, and it is better to immediately consult a veterinarian, he will tell you exactly what is with your pet.

Attention, care and love are essential keys to a happy and long life for your pet. be attentive to the hairy, and he will not remain in debt to you.