Conquering Ring Worms in Dogs: A Comprehensive Pet Guide

Written by: Karuna Subbiah

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Time to read 10 min

Get ready, dog lovers, for an eye-opening adventure into the mysterious world of ringworm! At Supertails, we're on a mission to expose this sneaky skin condition and give you the know-how to keep your furry pals safe and healthy.


Brace yourselves for an inside look at this pesky fungus that can plague our canine companions. With our guidance, you'll become a ringworm expert, ready to protect your pup from this cunning invader. 

What is Ring Worms in Dogs?

A Dog being treated by a Veterinarian

Let's start by clearing up a common misconception – ringworm is not a worm at all! It's a fungal infection caused by tiny organisms called dermatophytes. These crafty critters love to feast on keratin, a protein found in your dog's skin, fur, and nails, making their luscious coats the perfect buffet. But they don't just stop at the surface – these fungi can burrow deep, causing inflammation and irritation throughout the skin layers.


But ringworm is a master of disguise, capable of showing up in various forms. From classic ring-shaped lesions to irregular patches of baldness, this shape-shifter can mimic many skin problems, making it tricky to identify. It might appear as a small, innocuous circle one day, then morph into a larger, angry-looking rash the next. This chameleon-like ability is what makes ringworm so elusive and challenging to diagnose and in medical terms referred to as dermatophytosis.

What are the Ringworm in Dogs Symptoms?

A Puppy diagnosed with Ringworm
  1. As pet detectives, it's your job to look for signs of ringworm in dogs . The most common clue is the appearance of circular, red, and inflamed lesions with a raised, crusty border – a clear giveaway of this fungal foe.

  1. The fungal spores may remain dormant on combs, brushes, food bowls, furniture, bedding, carpet, or other environmental surfaces for up to 18 months.

  1. These ring-like sores can range in size from a small coin to a large patch and can appear anywhere on your dog's body, from their face to their paws.

  1. However, the ringworm's tricks don't stop there. Your furry friend might also experience intense itching, leading to excessive scratching and potential skin damage.

  1. Scaly, flaky skin is another common symptom, as the fungi cause the outer layers to shed more rapidly.

  1. Sometimes, the lesions might not be perfectly circular or just look like plain old hair loss or dandruff. In these cases, your sleuthing skills must be top-notch, as early detection is key to effective treatment.

What are the Stages of Ringworm in Dogs?

Ringworms spotted on Dogs

Ringworm is a master of deception, capable of disguising itself in various forms as it progressively takes hold of your canine companion's skin and coat. Understanding the distinct stages of this fungal infection is crucial for early detection and intervention. Here's a closer look at the insidious evolution of ringworm in dogs:


 Stage 1 


In its initial stage, ringworm often presents as small, innocuous-looking red bumps or patches on your dog's skin. These lesions may be easily overlooked or mistaken for minor irritations or insect bites. However, this is when the fungal spores have taken root and begun their stealthy invasion.


 Stage 2 


As the infection advances, the distinctive ring-like appearance that gives the ringworm its name starts to manifest. The centre of the lesion clears, while the outer edges develop a raised, scaly, and reddened border. These rings can vary in size, from a small coin to a large patch, and may appear virtually anywhere on your dog's body.


 Stage 3 


Left unchecked, ringworm progresses into an inflammatory stage, where the lesions become increasingly thick, crusty, and inflamed. Hair loss may occur within the ring or across larger areas, and intense itching can lead to excessive scratching and potential secondary skin damage or infections.


 Stage 4 


In severe cases, ringworm can spread rapidly, with multiple lesions appearing across your dog's body. These widespread infections can be particularly challenging to manage and may require more aggressive treatment approaches, including systemic antifungal medications.


It's important to note that the progression of ringworm can vary depending on factors such as the specific strain of fungus, your dog's overall health and immune status, and the promptness of treatment. Early detection and intervention are crucial to preventing the infection from advancing to more severe stages and minimizing the risk of transmission to other pets or humans in your household.

What are the Causes and Risk Factors for Ring Worms in Dogs?

A Pup with Ring Worm spotted near the foot

So, how do dogs get ringworm ? This opportunistic invader seizes any chance to strike your dog's defenses. Contact with infected animals, like other dogs, cats, or even livestock, can transfer the fungal spores directly to your pup's skin or coat. Contaminated soil or bedding can also harbor these microscopic invaders, waiting to hitch a ride on your unsuspecting pet.


But the risk doesn't end there. Factors like a weakened immune system, stress, age, or certain medications can make your pup an easy target for ringworm's sneaky tactics.


Puppies and senior dogs, for example, have less robust immune defenses, making them more susceptible to infection. Similarly, dogs undergoing treatment for other illnesses or receiving immunosuppressant drugs might have a harder time fighting off ringworm.

How are Ring Worms in Dogs Diagnosed?

A Ring Worm in Between the Fur of a Dog

Unmasking ringworm requires a team effort between you and your trusty vet . They'll have a range of tools to crack the case, starting with a thorough physical examination. During this initial assessment, your vet will carefully inspect any suspicious lesions, noting their appearance, size, and distribution across your dog's body.


To solidify the diagnosis, your vet might conduct a fungal culture – a process of growing and identifying the specific strain of ringworm causing the infection. This involves collecting samples from the affected areas and allowing them to incubate in a controlled environment. Also, Wood's lamp method and culture of the fungus in a laboratory(Samples of hair and skin scrapings are done) are done.


Over several weeks, any fungal growth can be analyzed and matched to a known species of dermatophyte. With this information, they can tailor the perfect ringworm treatment for dogs and plan for your furry friend's unique situation.

What are the Ringworm Treatment for Dogs?

Fear not, pet parents! We've got an arsenal of weapons to fight back against ringworm's invasion.

1. Topical Treatment

  1. Topical antifungal creams and medicated shampoos act as specialized forces, targeting the fungus directly on your dog's skin and coat.

  1. If there is more than one pet in the household, try to separate infected from non-infected animals and just treat the infected ones. In some situations, it may be preferable to treat all the pets

  1. These treatments contain active ingredients like miconazole, ketoconazole, or clotrimazole, designed to disrupt fungal growth and spread.

Supertails Tip: Do not stop treatment unless your veterinarian has made this recommendation. Stopping treatment too soon can result in a recurrence of the fungus.

2. Oral Antifungal Medications

  1. For more stubborn or widespread infections, oral antifungal medications like griseofulvin or terbinafine may be prescribed.

  1. These systemic drugs penetrate your dog's system, eliminating the infection from within and reaching areas topical treatments may miss.

3. Consistent Follow-up

  1. Following your vet's instructions diligently is crucial, ensuring every dose of medication is given and every topical treatment is applied meticulously.

  1. Ringworm requires persistent treatment; any lapses could allow the infection to regroup and counterattack, so follow up with your Vet.

4. Environmental Decontamination

  1. Environmental decontamination measures may be advised by your vet, including thorough cleaning and disinfection of your dog's living spaces, bedding, and grooming tools.

  1. Fungal spores may be killed with a solution of chlorine bleach and water using the dilution of one pint of chlorine bleach (500 ml) in a gallon of water (4 litres) where it is practical to use it.

  1. Eliminating any lingering spores from the environment is essential to prevent re-infection.

How to Prevent Ring Worms in Dogs?

An Old Dog with Ringworms covering most of the skin

Regular Grooming for Your Pet:

  1. Grooming isn't just about aesthetics; it's a crucial opportunity to inspect your dog's skin for any signs of ringworm.

  1. Make it a habit to thoroughly check your furry friend for any suspicious lesions or skin abnormalities during grooming sessions.

Thorough Cleaning of Your Pet

  1. Regularly clean and disinfect your pet's living spaces, including bedding, toys, and any areas they frequent.

  1. Ringworm spores can linger in these environments, so thorough cleaning is essential to prevent their spread.

Avoiding Contact for Some time

  1. Be cautious in environments where your dog interacts with other animals, such as dog parks or grooming facilities.

  1. Stay vigilant for any signs of infection in other animals and take precautions to minimize your dog's exposure to potential sources of ringworm.

Immune System Support for Your Pet

  1. Ensure your dog maintains a strong immune system through proper nutrition, regular exercise, and stress management.

  1. A well-balanced diet, sufficient physical activity, and a calm environment can bolster your pup's natural defences against ringworm and other infections.

How to Live with a Ring Worm Infected Pet?

A Veterinarian checks on the Dog

While battling ringworm might seem daunting, take heart from the stories of resilience and love that have emerged from this fight. Pet owners who have faced this challenge head-on serve as hope, demonstrating that with patience and an abundance of affection, even the most stubborn case of ringworm can be conquered.


From meticulous cleaning routines to creative ways of keeping their furry companions entertained during treatment, these heroic pet parents have forged a path for us to follow. Some have shared tales of diligently disinfecting every nook and corner of their homes, while others have found innovative ways to provide mental stimulation and playtime for their pups during the healing process.


Their stories remind us that the bond between humans and their canine companions is unbreakable, even in the face of adversity. Through it all, these devoted pet owners have remained unwavering in their commitment to their furry friends' well-being, serving as an inspiration to us all.

To Conclude

A Pet Parent checks on their Dog while the Vet diagnoses the Dog

In closing, let's remember that prevention is our strongest weapon against ringworm in dogs. By staying proactive with regular grooming, thorough cleaning, and avoiding potential sources of infection, we can create a safer environment for our furry friends.


Additionally, supporting our dogs' overall health through proper nutrition, exercise, and stress management strengthens their natural defenses. Together, let's remain vigilant and informed, ensuring our pets live their happiest and healthiest lives. Thank you for joining us in this journey of pet care awareness with Supertails.

FAQs

What kills ringworm fast on dogs?

To treat ringworm on dogs quickly and effectively, your veterinarian may prescribe antifungal medications such as oral medications like griseofulvin, itraconazole , or terbinafine, as well as topical treatments like medicated shampoos or creams containing miconazole or clotrimazole. Additionally, keeping the affected areas clean and dry can help speed up the healing process.

Can I touch my dog if he has ringworm?

It's generally not recommended to touch your dog if they have ringworm, especially if you have any cuts or abrasions on your skin that could potentially allow the fungus to enter your body. If you need to handle your dog, it's advisable to wear gloves to prevent the spread of the infection.

Can ringworm heal on its own in dogs?

Ringworm may resolve on its own in some dogs, especially if they have a strong immune system. However, treatment is typically recommended to speed up the healing process and prevent the spread of the infection to other pets or humans.

Is ringworm in dogs serious?

While ringworm is usually not life-threatening, it can be uncomfortable for your dog and may lead to secondary bacterial infections if left untreated. Additionally, ringworm is contagious and can spread to other animals and humans, so prompt treatment is important to prevent further complications.

Does dog fur grow back after ringworm?

In most cases, dog fur will grow back after the ringworm has been successfully treated. However, it may take some time for the fur to fully regrow, and in severe cases, there may be some scarring or permanent hair loss in the affected areas.

How do you permanently get rid of ringworm on a dog?

While it's difficult to completely guarantee the permanent eradication of ringworm, you can take several steps to effectively treat and prevent its recurrence. These include following your veterinarian's treatment plan, keeping your dog's environment clean and dry, washing bedding and grooming tools regularly, and minimizing exposure to other animals with ringworm.

Can ringworm spread from dog to human?

Yes, ringworm is a zoonotic disease, meaning it can spread from animals to humans. Direct contact with an infected animal or contaminated surfaces can transmit the fungus-causing ringworm. Therefore, it's important to practice good hygiene, wash your hands thoroughly after handling an infected dog, and avoid sharing personal items with them.

How do I know if my dog has ringworm?

Common signs of ringworm in dogs include circular or irregularly shaped patches of hair loss, redness, scaling, or crusting on the skin, especially around the head, ears, and paws. Additionally, affected areas may be itchy or inflamed. However, these symptoms can resemble other skin conditions, so it's essential to have your dog examined by a veterinarian for an accurate diagnosis. A fungal culture or microscopic examination of skin samples may be necessary to confirm the presence of ringworm.


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