Linny has a large patch on her back where her hair falls out in clumps with flakes attached to the root end of the hairs. He is in his second treatment of Ivermectin shots and the vet is giving him Baytril for a possible secondary skin infection. I don't really feel the vet has an idea what is causing this awful loss of hair and skin problem. Is Baytril a typical method of cure? She looked at the hair under the microscope and didn't see any mites. I am continuing with the round of shots. There are two more weeks left but I'm wondering what the next step might be.