What Does A Ringworm Look Like On A Dog

What Does A Ringworm Look Like On A Dog?

Ringworm is a common skin condition in dogs that can cause a variety of skin and coat issues. It is caused by a type of fungus and is highly contagious.

If you suspect your dog may have ringworm, it is important to recognize the signs and symptoms so you can get your pet the proper treatment. 

In this blog post, we will discuss what ringworm looks like on a dog, how to diagnose it, and how to treat it.

General Symptoms

Ringworm is a common fungal infection that can affect both humans and animals. In dogs, the most common sign of ringworm is hair loss due to the infection attacking the hair follicles. 

This can lead to patches of baldness, thinning fur, or brittle hair. Other symptoms may include inflamed skin, itching, redness, scaling, and crusty lesions.

Ringworm may also cause inflammation and a burning sensation in the affected area. Additionally, your dog may experience a loss of appetite and decreased energy levels due to the discomfort caused by the infection.


Ringworm on dogs can look quite different than the classic ring-shaped lesion found in humans. Dogs typically have circular patches of hair loss, with the area in the center of the bald patch appearing dry, scaly, and reddened.

The edges of the patch may appear raised and inflamed, and you may also see some crusting and/or broken hairs at the edges. In some cases, these lesions may be filled with pus.

Some of these lesions may even spread and become larger. As the infection progresses, the lesions may start to resemble circles, thus giving the infection its name: ringworm.

Ringworm In Dogs vs. Humans

Although ringworm is a type of fungal infection that affects both humans and animals, the symptoms may vary depending on the species. In both cases, the infection is caused by a fungus called dermatophytes that thrive in warm and moist environments. 

Humans typically display circular lesions with raised edges that are red and may be itchy. These lesions can be found on any part of the body but are most common on the arms and legs. 

Ringworm in humans is highly contagious and can be spread through direct contact with an infected person, animal, or object. 

In dogs, the most common symptom of ringworm is patches of hair loss. 

These patches will be characterized by scaly, reddened skin that may ooze a pus-like fluid. 

The patches may have a circular shape, although this is not always the case. These lesions are generally more common on the head, face, feet, and legs of a dog, but can also appear anywhere on the body. 

While ringworm in humans is usually mild and responds well to antifungal medications, ringworm in dogs can be more serious and require longer treatment. 

It is important to seek veterinary care as soon as possible if you suspect your dog may have ringworm to prevent the spread of the infection to other pets or people in the household.

Read Also: What Can I Use In Place Of A Dog Shampoo?


Treating ringworm in dogs can be a lengthy process, but with the right steps, it can be done. The first step to treating ringworm in your dog is to take them to the veterinarian for diagnosis. 

Your vet may use a Wood’s lamp, which is a UV light that will help identify any fungal spores on your pet’s skin. Once diagnosed, your vet may prescribe an antifungal medication such as enilconazole or terbinafine to help clear up the infection. 

It’s important to note that while these medications are effective, they need to be taken for several weeks to completely get rid of the ringworm.

Along with medication, you should also focus on maintaining a clean environment for your pet. This includes regularly cleaning their bedding, toys, and other surfaces with a disinfectant to prevent the spread of the infection. 

You should also avoid taking them to places where other animals might have been exposed to the fungus, such as pet stores or dog parks. 

In addition, it’s important to provide your pet with good nutrition and regular grooming to help their skin heal and stay healthy. Feeding them a balanced diet and providing regular baths and brushing can help keep their coat and skin healthy. 

Additionally, supplementing their diet with fatty acids can help keep their skin hydrated and promote healing. 

With these steps and regular visits to the veterinarian, you can help your pet fight off ringworm and keep them healthy and happy.


Ringworm is a common fungal infection that can affect both humans and animals. While it may be alarming to find that your beloved pet has this condition, the good news is that it is treatable with proper medical care. 

To prevent ringworm from spreading, it’s important to practice good hygiene, keep your pets away from other animals, and clean any surfaces that may have been exposed. 

Early diagnosis and treatment are key to minimizing the risk of further spread. With prompt and effective treatment, your pet can quickly be free from ringworm and back to living a happy and healthy life.


What is a ringworm?

Ringworm is a common fungal infection that can affect the skin, hair, and nails of dogs. It is caused by a group of fungi called dermatophytes and can be highly contagious.

What does a ringworm look like on a dog?

Ringworm lesions on a dog typically appear as circular or oval patches of red, scaly, or crusty skin. The center of the lesion may appear to be healing and clearing up, while the outer edges may have hair loss and scaling. The affected area may be itchy and cause your dog to scratch or lick the area excessively. The ringworm lesion may also develop crusts or scabs, which can become infected if your dog continues to scratch or lick the area.

Can humans get ringworm from dogs?

Yes, humans can contract ringworm from infected dogs. It is important to take precautions when handling an infected dog, such as wearing gloves and washing your hands thoroughly after handling them. If you suspect that your dog has ringworm, it is important to seek veterinary care and to also consult with a healthcare provider if you or someone in your household develops symptoms.

How is ringworm in dogs diagnosed?

A veterinarian can diagnose ringworm in dogs by performing a physical examination and taking skin samples from the affected area. The skin samples are then examined under a microscope or sent to a laboratory for fungal culture to confirm the presence of dermatophytes.

How is ringworm in dogs treated?

Ringworm in dogs is typically treated with antifungal medication, either orally or topically. Depending on the severity of the infection, treatment can take several weeks or even months. It is important to follow the veterinarian’s instructions carefully and to complete the full course of treatment to prevent a recurrence.