Methods of Deworming for Cats

Deworming is the top priority of daily raisins. In addition to the parasites that endanger the cat’s health, once some zoonotic parasites are infected, they may also affect the health of the breeder.
But how often should cats be dewormed? How to choose anthelmintic? Can I take a bath before and after deworming? Regarding deworming, the owners always have many problems. Let’s talk about it in detail below.

Know about the common parasites and their hazards in cats

Before talking about how to deworm cats, we must first understand what parasites are commonly infected by cats, and what symptoms they have after infection so that shovelers can better diagnose and prevent them at home.
According to different parasitic environments, it can be divided into two categories: endoparasites and ectoparasites:


The most common endoparasites are roundworms, tapeworms, and hookworms that parasitize the gastrointestinal tract:
Parasitic in the cat’s small intestine, the eggs will be eliminated with the feces, contaminating the litter box, and even food and drinking water. Many cat families may be infected with each other, and there is also a risk of transmission to humans. Roundworms can also be transmitted through breast milk and the host.
Tapeworms are huge intestinal parasites ranging from a few millimeters to tens of centimeters. They are white or milky white and can be spread by fleas, mice, frogs, snakes, etc. The most common way for cats to be infected is by ingesting infected fleas, eating raw meat, preying on mice, rabbits, etc. They may also be infected. It is a co-morbidity between humans and pets.
It is a small intestinal parasite that can be caused by feces, mouth, and skin. Hookworms will suck blood on the cat’s intestinal mucosa, causing cat anemia, blood in the stool, and coexistence.
Cats are infected with gastrointestinal parasites and generally have no obvious symptoms at first. When severe, symptoms such as abdominal pain, diarrhea, soft stools, vomiting, adult exposure (worms are seen in the chrysanthemum and stool), cough, decreased appetite, pale mucous membranes (indicating anemia), abnormally enlarged abdominal circumference, and weight loss.
If cats run wildly after defecation, mopping their buttocks, or excessively licking their anus, it may be caused by tapeworms and other segments in the chrysanthemum, causing itching. When cats show one or more of these symptoms, everyone should check for parasites.

But one exception is heartworm.
Adults of heartworm parasites mainly in the right ventricle and pulmonary artery. Heartworm can cause the cat’s lung, heart, and lung function to decline, breathing difficulties, coughing, and other symptoms.
Because cats are good at hiding pain and discomfort, so it is difficult for the owner to observe symptoms. It is often the cat’s sudden death that is found to be heartworm infection at autopsy. Therefore, parents must do a good job in the prevention of heartworm.


Common ectoparasites in cats are fleas, mites, and ticks.
Fleas are the most common ectoparasites in pet households. They can not only live on cats, but also in dogs, people and family environments, and obtain nutrients by sucking blood. After being bitten by a flea, there will be intense itching, and fleas are also at risk of spreading diseases such as Bartonella and Typhimurium.
The most common mites on cats are ear mites, also called ear itch mites, which live in the cat’s external ear canal and feed on ear wax and grease. If not treated in time, it may cause serious skin and ear canal problems.
Scabies mites mainly occur in cat ears, face, eyelids, and neck. After infection, it will cause severe itching, hair loss, and redness of the skin. In severe cases, the skin will thicken and crack, forming something like armor. Sometimes the diseased part will become purulent due to secondary bacterial infection.
Ticks are divided into two types: hard ticks and soft ticks. They mainly hide in grass, bushes, animal pens, and crevices in buildings. When a tick sucks blood, it may cause skin damage, cause cat itching, and secondary dermatitis may appear in the wound. During the blood-sucking process of ticks, the pathogens they carry may be transmitted to cats.
If the cat’s ears have coffee grounds-like earwax, scratches the ears frequently, and shakes the head frequently, it means that the cat may be infected with ear mites.
If you frequently scratch, bite, or even scratch yourself bald, it means that the cat may have fleas or have been bitten by ticks. Usually, we can also see adult ticks on the cat.

How to deworm cats?

Deworming cats can be divided into therapeutic and preventive deworming:

Therapeutic deworming

When a cat is suspected of being infected with internal or external parasites, it is necessary to take the cat to the hospital for a stool or skin test to confirm the type of parasites infected and treat it symptomatically.
When treating certain parasitic infections, there are some points to note:
Ear mites
In addition to the ear mites living in the ear canal, they may also be living on the cat’s head skin. While cleaning the ear canal and applying for the medicine, it also needs to be used with a systemic repellent that is effective for ear mites for treatment and prevention. effect. In addition, the treatment of ear mites must be maintained for at least three weeks, otherwise, the parasites will not be eliminated and will easily recur.
The reproductive ability of fleas is particularly strong. Each adult female fleas can lay an average of 20-30 eggs per day, sometimes as many as 50 eggs. The lifespan of adult female fleas is often another 15-30 days. If they are not killed in time, they will quickly spread to various places in the home through cats.
Moreover, under suitable conditions, the pupae of fleas can survive for nearly 6 months. To completely eradicate fleas, apart from dealing with adult fleas, eggs, larvae, and pupae are also something that we cannot ignore. Therefore, when treating fleas, it is best to choose an insect repellent that can kill adults, larvae, and eggs at the same time, and continue use.
Tick extraction is to be done by the professional. It is not recommended for parents to do it by themselves, so as to avoid pulling the mouthpiece and staying under the skin and causing local inflammation. After removing the tick, disinfect the wound and use an insect repellent that can get rid of the tick. In the next few days, pay close attention to whether there is redness, swelling, and suppuration at the mark.
After cats are infected with tapeworms, they need to be fed anthelmintics containing praziquantel, fenbendazole and other ingredients for 5 consecutive days, and they must be dewormed every month.

Preventive deworming

For cats without infection (or no obvious symptoms), prevention of parasites is also necessary. Especially families with pregnant women and babies, families with raw flesh and blood, and families with many cats.
As a preventive anthelmintic, anthelmintic drug should repel as many worms as possible. In addition to conventional parasites, it is best to cover some special needs. For example, cats who have the habit of going out need additional prevention of ticks; families with pregnant women need to prevent toxoplasma gondii. If one anthelmintic is not enough, you can use two in combination.
Conventional deworming drugs on the market can’t get rid of and prevent toxoplasma gondii, so it can only be prevented from environmental cleaning (cleaning the litter box, disinfection) and diet (not eating unclean food).

How to choose anthelmintic?

Anthelmintics can be divided into internal drive, external drive, and internal and external drive based on different types of parasites. If it is a therapeutic deworming, then give priority to the good effect of the parasite; if it is a preventive deworming, choose a wide range of deworming and long-lasting efficacy; you can use the combination of external drive + internal drive, or use Driven together inside and outside.
For example, Boehringer’s products contain acetamido avermectin, praziquantel, fipronil, and methoprene, which are rare insect repellent products on the market that use four ingredients at the same time.
The combination of Feprenil + Methoprene has a good killing effect on adult fleas, eggs, larvae and early pupae. Feprenil can make fleas excited and over-dead; methoprene is an insect growth regulator, which is useless for adults, but it can inhibit the development of fleas larvae and pupae.
Abamectin and praziquantel are aimed at repelling parasites in the body. For example, praziquantel has a good repelling effect on tapeworms.
The side effects of the above drugs on dogs and cats are rare, but there may still be adverse reactions such as local skin allergies. If the cat has local redness, swelling, and hair loss after using the drug, it is recommended to suspend the medication and wash locally. If the condition does not improve or worsens, it is necessary for hospital inspection.
At present, there are many insect repellents for pets on the market. When purchasing, you should pay attention to distinguish whether they are universal for dogs and cats or are used separately for dogs/cats. Some dog repellents contain ingredients that are toxic to cats. Pyrethrin must not be mixed with dogs and cats. In addition, families with multiple cats and families with both cats and dogs should prevent them from licking each other after using deworming drugs.

Some Q&A about deworming

How often should cats be dewormed?
Generally recommended once a month.
At what age do you start deworming?
Deworming can be done routinely at 6-8 weeks of age, which is mainly related to the choice of different deworming drugs. If there are fleas on the baby cat, you can also use Feprenil spray under the guidance of a doctor, and it can be used over 2 days of age.
Do cats that never go out also need to be dewormed?
Yes, even if the cat does not go out, people and dogs who go out every day may also bring back parasites from outside. Some internal parasites are infected by eating something and need to be dewormed.
Can internal drive, external drive, and vaccination be on the same day?
There is no clear regulation, but it is generally recommended that the interval between deworming and vaccination is 2-3 days.
Can I bathe my cat before and after deworming?
Although many medicines say that bathing has no effect, considering many factors, it is best not to bathe for a week before and after deworming. Some external insect repellent drops are distributed throughout the body through the sebaceous glands. Bathing will wash away the fat on the cat’s body and affect the time for the drug to take effect. In addition, the cat’s stress in bathing leads to a decrease in resistance, which will also affect the deworming effect.
Will the cat lose appetite and have diarrhea after deworming?
Some anthelmintics may irritate the cat’s intestines, or there may be insects in the cat’s body. After deworming, there may be malaise and mild diarrhea, which can be temporarily observed. If the cat’s condition does not improve, it also suffers from loss of appetite and worsening diarrhea, and you need to take the cat to see a doctor.

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