Itching after external deworming in dogs may be a normal symptom of the drug taking effect. In this case, dogs will generally only experience temporary itching and will return to normal later. Secondly, if the dog is also accompanied by symptoms such as skin redness, swelling, irritability, and tears, it may be that the dog is sensitive to the ingredients of external anthelmintic drugs and has drug allergies, and needs to go to the pet hospital for examination in time. In addition, if the owner does not use an anthelmintic drug of appropriate specifications according to the dog's weight, itching may occur if the external parasites are not completely removed.

1. Performance of the drug taking effect

If the dog is infected with a lot of external parasites, the dog may experience short-term itching after taking the drug. This is actually the parasite after the drug takes effect. The dog’s body struggles, so as long as the dog’s itching lasts for a short time, the owner does not need to worry.

2. Allergy

Dogs allergic to external deworming can also cause itching of the skin, and symptoms such as skin redness and swelling, irritability, and tearing may also occur. It is recommended that owners pay attention to observation. If they find that their dogs have the above symptoms, they need to immediately stop using deworming drugs and take their dogs to the pet hospital for desensitization injections. If possible, you can also take your dog for an allergen test to prevent your dog from experiencing allergic reactions again in the future.

3. Insufficient deworming

The dosage of deworming for dogs needs to be determined according to the weight of the dog. If the owner does not choose the appropriate specifications of deworming according to the weight of the dog, If the deworming is not done properly, the dog will still feel itchy. Therefore, owners can check whether the amount of deworming used for dogs is appropriate. If it is not appropriate, they need to consult a pet doctor in time and choose the appropriate amount to deworm the dog again.