Dogs can be dewormed externally after taking a bath for 3 days. Because the sebum on the skin is washed away after bathing, it takes 2 to 3 days to slowly recover. External anthelmintics diffuse throughout the body through sebum to achieve the purpose of systemic deworming. Deworming after bathing will affect the effect of deworming.

The oil on the skin can help spread the deworming drug. However, a large number of parasites on the dog's body after bathing A large amount of oil is lost, so it is not advisable to perform external deworming on the dog after taking a bath, otherwise the efficacy of the drug will be greatly reduced.