1. If your dog has lice, you can use external repellent drops or sprays, or you can give the dog a medicated bath directly. 2. It takes about 1 to 2 days for external anthelmintics to completely kill lice. The drops should be done once a month and the spray should be done once every two weeks. It is best to wear an Elizabethan collar on the dog when using it to prevent the dog from licking it. Poisoned. 3. If you are taking a medicated bath, you need to do it every three days until the lice are completely eliminated.

Tip:

If your dog’s skin is itchy due to lice, causing symptoms such as erythema or dandruff, you should seek medical treatment in time, or shave or use skin spray or oral medication. Anti-inflammatories and other medications.