How often should dogs be dewormed? What should you pay attention to?

Jul 26,2025
4Min

How often is deworming needed?

Internal deworming: Different drugs have different deworming intervals. For details, you should refer to the corresponding instructions for the drug or follow the doctor's advice. (Deworming will be carried out 3-5 days after bringing the animals back to the house and in good physical condition, and once a month before the age of six months)

External deworming: Please refer to the drug instructions for details. The currently commonly used external anthelmintic drugs on the market are effective for one month, so it is recommended to treat them once a month. (It is recommended that puppies can be dewormed externally after 45 days of age, and it is recommended to choose milder drugs)

Dosage of deworming for dogs

Weigh the dog first and choose the appropriate dose of deworming drug according to the dog’s weight. Some medicines are large-dose tablets, which must be divided strictly according to body weight. The medicines can be mixed into snacks or grains for feeding.
Take a certain brand of internal anthelmintic medicine as an example: the medicine is taken as one tablet for 10kg body weight. For a 2.5kg dog, you need to divide the medicine into 1/4 pills, and then use a medicine feeder or hide it in the food Feed inside.

Precautions for dog deworming

All deworming drugs can only kill adult worms, and deworming should be carried out again after the eggs in the body hatch. It is generally recommended to exterminate after half a month and repeat 3-4 times to remove the parasites in the body.

No bugs were found after taking the medicine. Is the medicine ineffective?

Just because there are no bugs coming out after taking the medicine does not mean that there are no bugs in the body. When the number of bugs in the body is relatively small, After the worms die, they will be decomposed and absorbed by the intestines, and naturally they will no longer be visible.

Under what conditions is it inappropriate for dogs to take deworming medicine?

If the dog is sick or in poor physical condition, deworming is generally not recommended. Or dogs who are allergic to some ingredients of deworming drugs need to find other drugs instead.

Drug side effects and countermeasures

Dogs who overdose on some anthelmintic drugs or have sensitive constitutions may experience side effects such as vomiting and diarrhea. Generally, this situation can be restored by feeding some probiotics. If the situation is serious, it is recommended to seek medical treatment as soon as possible.
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