It is important to do a skin scraping in many cases of ALD because the symptoms and lesions commonly mimic those of ectoparasites like demodexor scabies. (lbah.com)
Many flea products protect against other ectoparasites such as mites, lice, and, ticks as well as internal parasites such as heartworms, and roundworms. (todaysveterinarynurse.com)
Young dogs tend to have more skin conditions caused by ectoparasites like Demodectic and Sarcoptic mange (Scabies) than they do allergies. (lbah.com)