What Is Ringworm? What Pet Owners Need to Know

By Lakeshore Road Animal Hospital

If your pet suddenly develops patches of hair loss, scaly or red skin, it could be a sign of ringworm—a common fungal infection that affects cats, dogs, and even humans. At Lakeshore Road Animal Hospital, we want to help you understand what ringworm is, how to spot it, and what to do to keep your pet and family safe.

What Is Ringworm?

Despite its name, ringworm isn’t caused by a worm. It’s a contagious fungal infection of the skin that can cause circular patches of hair loss, redness, and itching. Ringworm can spread easily from pet to pet and even to people, so it’s important to catch it early.

How Do Pets Get Ringworm?

Pets can pick up ringworm through contact with an infected animal, contaminated objects like bedding or grooming tools, or from the environment. Cats, especially kittens, are often more prone to ringworm, but dogs can get it too.

Signs to Watch For

• Circular, hairless patches of skin
• Red, scaly, or crusty areas
• Itching or scratching
• Brittle or broken hairs
• In some cases, no visible symptoms but still contagious

How Is Ringworm Diagnosed and Treated?

If you suspect your pet has ringworm, bring them to Lakeshore Road Animal Hospital for a thorough exam. We may perform tests like a Wood’s lamp examination, fungal culture, or microscopic hair analysis to confirm the diagnosis.

Treatment usually involves antifungal medications, medicated shampoos, and cleaning the environment to prevent re-infection. Most pets recover well with proper care.

Keeping Your Home Safe

Since ringworm can spread to people, it’s important to wash hands after handling your pet, clean bedding and toys regularly, and keep infected pets isolated until they’re cleared by your veterinarian.