Ringworm on a dog can be alarming, especially if you’ve never seen it before. If you’ve noticed hair loss or red, itchy patches on your furry friend, you might be wondering, “What does ringworm look like on a dog?” I’ve been there, too, and it’s crucial to identify it early to prevent further discomfort for your pet. Ringworm isn’t actually a worm—it’s a fungal infection that affects your dog’s skin and hair follicles. In this article, I’ll walk you through the tell-tale signs, how to spot it, and what you can do to treat it. If you’re concerned, don’t worry—this guide will help you navigate through it with ease.
What is Ringworm?
Ringworm is a fungal infection, not an actual worm. It attacks your dog’s skin and hair follicles, causing red, itchy patches. You might notice a bald spot where the hair falls out. These patches are usually round, which is where the name “ringworm” comes from. But, don’t worry—it’s not as scary as it sounds.
This infection spreads quickly. It can move from pet to pet and even to humans. Ringworm loves warm, moist places, so it can thrive on your dog’s skin. Left untreated, it can cause more issues. But the good news is, if you catch it early, it’s simple to treat.
So, now you know what ringworm is. Let’s look at how to spot it on your dog.
Symptoms and Appearance of Ringworm on Dogs
When it comes to recognizing ringworm on a dog, the signs are relatively easy to spot if you know what to look for. You’ll typically see circular, red patches of skin where the hair starts to fall out. These patches often have raised edges, making them appear as though a ringworm is literally under the skin—hence the name. The skin may also look inflamed or irritated, and your dog will likely scratch or lick the area because it’s itchy.
What does ringworm on a dog look like, specifically? It’s those bald patches with reddish rings, sometimes surrounded by flaky or scaly skin. You may even notice multiple patches spreading out, or it might only be one isolated spot. Either way, it’s important to catch it early, so your dog isn’t suffering from discomfort.
Ringworm can pop up on different areas of your dog’s body, but it’s commonly found on places like their ears, paws, and face. The infection can spread quickly, so if you catch it in time, you can prevent it from taking over. Keep an eye out for changes in your dog’s behavior, too—they may start scratching more than usual, which is a good indicator that something’s not right.
How to Identify Ringworm on a Dog
So, you’ve spotted a strange patch of skin on your dog and are wondering, “Is it ringworm?” Identifying ringworm on a dog can be easier than you think once you know what to look for. The first thing you’ll notice is the circular, bald patches. They often have a reddish, raised edge, and sometimes, the skin in the middle looks slightly irritated or scaly. If your dog is scratching or licking the area more than usual, that’s another sign you should pay attention to.
What does ringworm look like on a dog specifically? It’s those bald, round patches that form a ring shape. The skin around it may look inflamed, and there’s usually some scaly or flaky skin surrounding the area. It might seem like one patch at first, but ringworm can spread to multiple areas, so keeping an eye on your dog’s behavior and body is key.
To be sure, a veterinarian can help confirm the diagnosis. They’ll check for typical signs and can run a culture test or use a black light to look for that green glow, which helps identify the infection. But even if you aren’t 100% sure yet, noticing any of these signs early will help you get your dog treated before it spreads or gets worse.
How Do You Cure Ringworm on a Dog?

So, your dog has ringworm, and you’re likely wondering, “How do I treat it?” First, don’t panic—it’s treatable. The best way to treat ringworm on a dog is with antifungal treatments. You can use creams or ointments that you apply directly to the affected skin. These treatments help kill the fungus and soothe the skin. If the infection is larger, your vet may give you oral antifungal medicine to tackle it more thoroughly.
Sometimes, shaving the area where the fungus is can make it easier for the treatment to work. It also helps keep the area clean. I know it sounds a bit much, but it really helps, especially if the ringworm is hard to reach. Of course, always follow your vet’s guidance to make sure you’re treating your dog in the best way possible.
There are also home remedies, like coconut oil or apple cider vinegar, that some pet owners try. They can help a little, but they aren’t as effective as the treatments your vet might recommend. If you’re not sure about using these, it’s always a good idea to ask your vet first.
While your dog heals, be sure to keep the affected area clean and dry. If your dog is scratching or licking, try to prevent it so the healing process goes smoothly. Clean any areas your dog spends time on and keep other pets away until your dog is better.
Can Ringworm in Dogs Be Transferred to Humans?

You might be asking, “Can ringworm in dogs spread to me or my family?” The short answer is yes, it can. Ringworm is a fungal infection that doesn’t just stay on your dog. It can spread to humans and other pets, primarily through direct contact with the affected area.
So, how does it spread? If you touch your dog’s infected skin, the fungus can transfer to you. It can also spread from your dog’s bedding or toys. But don’t worry—it’s easy to prevent. Just wash your hands after touching your dog, and keep the infected area clean.
If you notice any skin rashes or irritation on yourself, make sure to see a doctor. It’s important to catch it early. Also, keep an eye on other pets in the household, because they can catch it too. By being careful, you can stop the fungus from spreading.
Preventing Ringworm in Dogs
If your dog has had ringworm, you know how important it is to stop it from coming back. The good news? It’s easier to prevent than you think. Start by keeping your dog clean and well-groomed. Regular brushing helps remove fungal spores from the fur, making it harder for the fungus to take hold.
Make sure your dog has regular vet checkups. These visits help catch any early signs of ringworm before they get worse. If your dog spends time with other animals, be extra careful. Ringworm can spread easily between pets, so always watch for any changes in their skin.
In homes with multiple pets, it’s smart to separate any dog with ringworm. This helps stop the infection from spreading. Also, disinfect places where your dog spends a lot of time, like their bed or toys.
By staying on top of hygiene and being careful, you can keep your dog safe from ringworm. It’s all about being proactive and keeping things clean.
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We’re the dedicated team behind MyPawSafe.com, with over a decade of combined experience in veterinary care, pet emergency response, and animal behavior. While we prefer to let our work speak for itself, our mission is clear: to provide science-backed, vet-approved advice that helps pet owners prevent accidents and save lives.