Ringworm Symptoms, Treatment & Prevention: What You Should Know

Ringworm is a common fungal infection in dogs Although, ringworms are not fatal, if not treated, ringworms can cause discomfort, hair loss and may lead to serious skin infections. Therefore, it is  crucial for dog parents to recognize the signs, understand the causes, and know their treatment options. This blog provides all the key information you should know about ringworms in dogs. Let’s get started!

What is Ringworm in dogs?

Ringworm is a fungal infection in dogs that affects the skin, hair and nails. Despite its name, it is not caused by a worm but by dermatophytes, a type of fungus. In dogs, there are numerous ringworm species amongst which 70% of ringworm cases are caused by Microsporum canis, 20% by Microsporum gypseum, and 10% by Trichophyton mentagrophytes.

How do Dogs Get Ringworm?

Ringworm is highly contagious and can spread through direct contact with an infected animal or person. Dogs can contract it by coming in contact with contaminated objects like bedding, grooming tools or furniture. It affects their ears, face, tail, and feet.

Can Ringworm Spread to Humans from Dogs?

Yes, ringworms can spread from animals to humans. Ringworm can affect anyone, but older individuals, children, and people with poor immunity are more susceptible. It presents as a round, red, and itchy rash on the human body.

What Are the Symptoms of Ringworm in Dogs?

Recognizing the symptoms of ringworm early is crucial. Common signs to look out for in your dog include:

• Circular patches of hair loss
• Red, inflamed areas
• Itchiness
• Brittle or broken claws
• Dry, brittle hair
• Scaly or crusty skin
• Dandruff scales
• Poor hair coat

These symptoms can appear anywhere on the dog’s body but are often most noticeable on the head, ears and feet.

How is Ringworm Diagnosed in Dogs?

Veterinarians use several methods to diagnose ringworm. Some of the important methods are listed below:

Wood Lamp Examination: Wood's lamp uses long-wave ultraviolet light to detect Microsporum canis that cause ringworm infections, detecting 72% of active skin lesions 5-18 days after infection.

Fungal Culture: A fungal culture, also known as a DTM (dermatophyte test medium), involves collecting hairs, scales, or scabs and allowing them to grow on a medium. Vets examine this growth under a microscope to detect ringworm.

PCR (Polymerase Chain Reaction) Testing: PCR testing is a fast, efficient method for diagnosing ringworm by detecting fungal DNA on hairs, but it's not suitable for follow-up testing as it can't differentiate between DNA and living fungi.

How Ringworm is Treated in Dogs?

Ringworm can be treated and curable if all treatment, quarantine, and cleaning procedures are followed properly. Let’s take a look:

Quarantine

When your dog is receiving treatment for ringworm, keep them away from other pets and family members. Quarantine them in an easy-to-clean room free of wood floors and rugs.

Topical Treatments

Topical treatments include Lime Sulfur dips and antifungal shampoos, with Lime Sulfur dips being more effective. Antifungal shampoos, often combined with disinfectants, are used twice weekly.

Oral Treatments

Oral treatments often combined with topical treatments, effectively treat ringworm infections by inhibiting fungus reproduction and spreading.

How to Prevent Ringworm in Dogs?

Preventing ringworm involves good hygiene practices and regular care. Here’s how you can safeguard your dog from ringworm infections:

• Regular vet visits to maintain the healthy skin of your dog.
• Thoroughly cleaning and disinfecting objects in contact with infected pets.
• Preventing digging in contaminated areas, especially rodent holes.
• Wearing gloves while applying treatments to reduce re-infection risks.

Can Ringworm Cause Long-Term Damage in Dogs?

With timely and appropriate treatment, ringworm typically does not cause long-term damage. Ringworms rarely cause serious problems in dogs as it is preventable and curable. However, if left untreated it can lead to deep wounds and secondary skin infections.

Final Note

To sum up, knowing the signs, causes, and treatments for ringworm in dogs is crucial for pet parents. Early recognition of symptoms helps start treatment quickly. Regular vet visits, keeping pet areas clean, and handling pets safely can prevent ringworm. With good care and quick action, most dogs can recover from ringworm without lasting problems.