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Dermatophytosis

Also known as Ringworm

Dermatophytosis, or ringworm, is a contagious fungal infection affecting pets' skin.

milddermatologicalContagious between animalsCan spread to humansdogscatsrabbitsguinea pigshorses

See a vet now if

  • Persistent lesions
  • Signs of infection

Symptoms

Early signs

  • Circular patches of hair loss
  • Scaly skin

As it progresses

  • Red, inflamed skin
  • Itching

Emergency signs

  • Secondary infections
  • Severe lesions

Causes

  • Microsporum fungi
  • Trichophyton fungi

Risk factors

  • Warm, moist environments
  • Close animal contact

Body parts affected

SkinHair

How vets diagnose it

  • Skin scraping
  • Fungal culture

Treatment

At home

  • Antifungal shampoos
  • Cleaning bedding

At the vet

  • Oral antifungal medications
  • Topical creams

Prevention

  • Regular grooming
  • Prompt infection treatment

Outlook

Prognosis
Good with treatment; possible recurrence
Typical recovery
Several weeks

Dermatophytosis questions

Can humans catch ringworm from pets?

Yes, dermatophytosis is zoonotic and can be transmitted to humans.

Is ringworm serious in pets?

While often mild, it requires treatment to prevent spread.

How long does it take for ringworm to go away?

Treatment may take several weeks to be fully effective.

Can ringworm heal on its own?

It may resolve naturally, but treatment speeds recovery and limits spread.

How do I clean my home after a ringworm infection?

Thorough cleaning and disinfection of all surfaces and pet items is recommended.

Full clinical detail

Overview

Dermatophytosis, commonly known as ringworm, is a fungal infection affecting the skin, hair, and nails of pets. It is highly contagious and can easily spread between animals and humans.

Causes

Ringworm is caused by dermatophyte fungi, primarily from the genera Microsporum, Trichophyton, and Epidermophyton. These fungi thrive in warm, moist environments.

Symptoms & Signs

Early Symptoms

  • Circular patches of hair loss
  • Scaly or crusty skin

Advanced Symptoms

  • Red, inflamed skin
  • Itching and irritation

Emergency Symptoms

  • Secondary bacterial infections
  • Severe skin lesions

Diagnosis

Veterinarians diagnose dermatophytosis through skin scrapings, fungal culture, or a Wood's lamp examination.

Treatment Options

Home Care

  • Regular cleaning of pet bedding
  • Use of antifungal shampoos

Veterinary Treatment

  • Oral antifungal medications
  • Topical antifungal creams

Surgical

  • Not typically required

Home Care

Maintain a clean environment and limit your pet's contact with other animals to prevent spreading.

Prevention

  • Regular grooming
  • Prompt treatment of infected animals

Prognosis & Recovery

With proper treatment, pets typically recover well from dermatophytosis. Recurrence is possible if the environment remains contaminated.

When to See a Vet

  • Persistent skin lesions
  • Signs of infection

FAQs

  1. Can humans catch ringworm from pets? Yes, dermatophytosis is zoonotic and can be transmitted to humans.
  2. Is ringworm serious in pets? While often mild, it requires treatment to prevent spread.
  3. How long does it take for ringworm to go away? Treatment may take several weeks to be fully effective.
  4. Can ringworm heal on its own? It may resolve naturally, but treatment speeds recovery and limits spread.
  5. How do I clean my home after a ringworm infection? Thorough cleaning and disinfection of all surfaces and pet items is recommended.

Worried about your pet?

This page is general guidance, not a diagnosis. A vet should examine your pet before any treatment starts.

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