How to know if your dog has parasites? Answers to common deworming misunderstandings

Jul 26,2025
5Min

How to know if your dog is infected with parasites

Pets infected with parasites will lose weight day by day, and may also be accompanied by vomiting, constipation, diarrhea and other digestive tract discomforts. , and some parasites may also cause fever, cough, itchy skin, and dull hair.

Ascaris is one of the most common parasites. Young pets and adult dogs are easily infected. The eggs on the ground are the main source of infection. In addition, rats are also one of the sources of infection. Severe roundworm infection can cause severe infection in young pets. Death due to malnutrition, so the owner cannot take it lightly.
Hookworms – Hookworms can cause pruritic dermatitis between the toes of puppies, which can lead to severe acute anemia.
Tapeworms - There are as many as 8 species of tapeworms that can parasitize dogs and cats, such as Diplopores caninum and Taenia gigas (most common in cats). Infection with tapeworms can affect the dog's appetite and sometimes cause constipation and diarrhea. Alternately, weight loss occurs.
Felis Strongyloides - free-roaming cats are susceptible to infection, and symptoms after respiratory infection are more common.
Toxoplasma gondii - Dogs infected with Toxoplasma gondii mainly present with fever, cough, difficulty breathing, etc. For pregnant cat mothers and dog mothers, it may also lead to miscarriage.
Cryptosporidium - If your dog has diarrhea, enteritis, vomiting, no desire to eat, etc., you have to consider whether it is infected with Cryptosporidium.

How to help dogs prevent parasites

First of all, we must prevent dogs from eating raw meat, raw fish and drinking dirty water, and promptly and thoroughly remove fleas and surroundings. Secondly, as a cat or dog owner, you should prevent them from wandering outside, as wandering greatly increases the likelihood that your dog will eat insect eggs or intermediate hosts such as mice.

What to do if your dog is infected with parasites

When the owner finds parasites in the dog’s feces or the dog shows signs of parasite infection, there is no need to panic, you just need to Just send your dog's feces to the hospital for testing. The doctor will prescribe the corresponding medicine based on the parasites detected. As long as you follow the doctor's instructions, your dog will recover.

During this period, owners should pay attention to cleaning up dog feces in a timely manner, and it is best to disinfect the dog's bedding and eating utensils.

Misunderstandings about deworming

Myth 1: Doctors decide on their own based on different parasites what kind of medicine to give to the dog for treatment, and the dosage and dosage of the medicine. The route and frequency of medication are different. If the owner takes the medicine easily by himself, it will affect the health of the dog in mild cases, and even endanger the life of the dog in severe cases. Therefore, you must consult a doctor before taking medicine.

Myth 2: There are no worms in feces. Under normal circumstances, eggs without pesticides cannot be distinguished by the naked eye;Not to mention Toxoplasma gondii and Cryptosporidium which can only be seen with a microscope. Therefore, preventive regular pesticide treatments should be promoted, that is, owners regularly give their dogs pesticides as prescribed by their doctor. The correct medication cycle is as follows:

Routine deworming cycle for ages 0-6 months is once a month.

Once a quarter for ages 6 to 24 months

Once every six months over 24 months of age

Finally, a reminder: roundworms, tapeworms, Toxoplasma gondii and Cryptosporidium can also infect humans, among which Echinococcus granulosus is the most harmful. Therefore, while all owners should take good care of their pets, they and their families should also pay attention to hygiene and never be careless.

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