Isolate the dog from other pets and people as much as possible
Wear gloves when handling the dog, bedding, toys, and grooming tools
Wash your hands thoroughly after contact
Clip long hair around affected areas if needed
Clean the skin gently with a vet-approved antifungal shampoo
Use topical antifungal treatments recommended by a veterinarian
Apply prescribed creams or ointments exactly as directed
Keep the affected area dry and clean
Wash bedding, blankets, collars, and washable toys in hot water
Vacuum carpets, furniture, and floors frequently
Disinfect grooming tools, crates, and surfaces regularly
Prevent the dog from licking, scratching, or biting the lesions
Use an Elizabethan collar if needed
Keep other pets from sharing bedding, bowls, or toys
Monitor all pets in the home for signs of ringworm
Continue treatment for the full recommended duration
Contact a veterinarian if the rash spreads, worsens, or does not improve
Seek veterinary care immediately if the dog is very young, elderly, pregnant, or immunocompromised