How to Deworm Dogs The Most Comprehensive Practical Manual on Internal and External Deworming

Aug 03,2026
5Min

Deworming methods for dogs

1. It is usually in the form of oral deworming medicine. Commonly used brands include Bayer, Fulin, etc. The price varies depending on the size of the dog, generally between 30-60 yuan. .
2. It is recommended to give anthelmintics about 2 hours after eating, and do not eat within two hours after taking anthelmintics.
3. After taking the medicine, the dog may have uncomfortable symptoms such as vomiting. It will usually recover on its own in 2-4 days, so there is no need to worry.
4. If you vomit within 2 hours after taking the medicine, you need to take another dose.

The dangers of internal parasites in dogs

1. Roundworms – leading to malnutrition in dogs;
2. Hookworms – enlarged belly, causing severe acute anemia;
/>3. Tapeworm - affects the dog's appetite, weight loss, constipation and diarrhea occur alternately;
4. Toxoplasma gondii - the dog will have fever, cough, difficulty breathing and other symptoms;
5. Cryptosporidium - dogs may suffer from diarrhea, enteritis, vomiting, inability to eat, etc.
Parasites in dogs such as roundworms and Toxoplasma gondii may be transmitted to humans through feces, causing symptoms such as weight loss and loss of appetite in humans.

Determination of internal parasites in dogs

1. Bugs and eggs can be seen in dog feces.
2. The dog’s abdomen suddenly swells, and he cannot gain weight even though he eats a lot.
3. The dog’s back is arched when walking.

External deworming method for dogs

1. It is usually in the form of drops or sprays. Commonly used brands include Bayer, Flynn, etc. The big brands are less toxic, and the price of drops is generally between It ranges from 30 to 60 yuan.
2. Use drops generally on the dog’s neck and shoulder blades (safer, not easy to be licked by dogs), wait for them to penetrate into the skin to loosen the hair; spray can be sprayed all over the dog’s body , do not take a shower within 1-2 days afterward.

The dangers of ectoparasites in dogs

There are mainly the following types of ectoparasites:
1. Lice - causing itching and restlessness, hair loss, papules and other conditions;
br />2. Fleas - dogs experience severe itching, allergic dermatitis, anemia and other symptoms;
3. Ticks - cause anemia, weight loss, stunted development, etc.
4. Scabies – causes severe itching on the dog’s body surface.
Dog external parasites such as scabies and lice may be directly transmitted to humans, causing symptoms such as itching, redness and swelling in humans.

Determination of external parasites in dogs

1. Open the dog hair and there will be red spots at the roots.
2. If there is excessive earwax secretion in the dog’s ears and there are red spots near the ear canal, it means the dog has ear mites.
3. Dogs often scratch themselves.
4. When the dog is combed, too much dander falls off, which is likely to be the feces of external parasites.

Precautions for dog deworming

1. Puppies can undergo internal and external deworming for the first time about one month after birth, and then once a month until adulthood. After adulthood, deworming is usually performed once every 3 to 5 months, and can be prevented and treated according to the actual situation of the dog.
2. Dogs must be dewormed internally and externally before vaccination.
3. The dose of anthelmintics must be used according to the dog’s actual weight.
4. Dogs suffering from other serious diseases should not be dewormed.
5. Give your dog some probiotics after taking the anthelmintic medicine to regulate his stomach.
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