Red pimples and scabs on dogs may be skin diseases caused by parasites, bacteria, fungi and other infections. First, check whether there are parasites on the dog. If there are parasites, use dog external deworming If it is a fungal bacterial infection, fungal drugs can be used to treat it. Pay attention to the dog's hygiene, bathe the dog regularly and deworm the dog, do not take the dog to play with other dogs with skin diseases, and do not take the dog to places where there are many mosquitoes.