Once signs of ringworm are found on a dog, it is likely that the dog has been infected with Malassezia or Microsporum and will need to be diagnosed by Wood’s lamp exposure or skin scraping and microscopic examination at a specialist veterinary hospital and then treated with anti-fungal medication as appropriate. This can usually be treated with both topical antifungal medication and internal antifungal medication. If the ringworm on the dog is not very large, topical antifungal medication can usually be used and the dog should be given an Elizabethan ring. If the dog is systemic, oral antifungal medication is recommended. Most dogs will have a combination of fungal and bacterial infections, so anti-inflammatory medication or some anti-bacterial and anti-inflammatory topical spray should also be given as an adjunct to treatment.
