Hot spots on a dog, or pyotraumatic dermatitis, refers to a disease that dogs get that is partially allergic and partially infectious. Learn about antibiotics that have a steroid an alcohol base that can be used to treat hot spots withhelp from a veterinarian in this free video on dog health and pyotraumatic dermatitis. Expert: Gregory McDonald Contact: www.petpointers.com Bio: Dr. Gregory McDonald earned his Doctor of Veterinary Medicine degree from Ohio State University in 1979.