What Does Ringworm on Dogs Look Like? Understanding the Symptoms and Treatment

Ringworm is a common fungal skin infection that affects humans and animals, including dogs. It is caused by a group of fungi called dermatophytes, which feed on the keratin in the skin, hair, and nails. Ringworm can affect any part of a dog’s body, including the ears, paws, face, and tail.

Symptoms of Ringworm on Dogs

The symptoms of ringworm on dogs can vary depending on the severity of the infection and the dog’s immune system. Some common signs to look out for include:

  1. Bald patches: Ringworm can cause circular, hairless patches on a dog’s skin. These patches can be red, scaly, and itchy.

  2. Crusty or flaky skin: The infected area can also be dry, flaky, or crusty.

  3. Itching: Ringworm can be very itchy, and a dog may scratch, lick, or chew at the infected area.

  4. Scabs: In some cases, ringworm can cause scabs on the skin.

  5. Swelling: The infected area may become swollen and inflamed.

Diagnosis of Ringworm on Dogs

If you suspect that your dog has ringworm, it is important to take them to a veterinarian for diagnosis. The vet may perform a physical examination of the dog’s skin and may also take a sample of hair or skin cells for analysis.

Treatment of Ringworm on Dogs

The treatment of ringworm on dogs can vary depending on the severity of the infection. In most cases, treatment will involve a combination of topical and oral medications. The vet may also recommend medicated baths and shampoos to help soothe the skin and reduce itching.

Prevention of Ringworm on Dogs

Preventing ringworm on dogs can be challenging, but there are some things you can do to reduce your dog’s risk of infection. These include:

  1. Keeping your dog’s living area clean and well-ventilated.

  2. Washing your dog’s bedding and toys regularly.

  3. Avoiding contact with infected animals.

  4. Keeping your dog’s immune system healthy through a balanced diet and regular exercise.

  5. Regularly grooming your dog to keep their skin and coat healthy.


Ringworm is a common fungal infection that can affect dogs of all ages and breeds. It is important to recognize the symptoms of ringworm and seek prompt treatment from a veterinarian. With proper treatment and prevention measures, you can help keep your dog healthy and free from ringworm.