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Ringworm
Ringworm is a common fungal infection of the skin that causes a red, itchy, ring-shaped rash. Despite the name, it is not caused by a worm.
Causes & risk factors
- Skin fungi (dermatophytes)
- Direct skin-to-skin contact
- Sharing towels, clothes or combs
- Contact with infected pets or animals
- Warm, humid conditions and sweating
Common symptoms
- A red, ring-shaped rash with a clearer centre
- Itching
- A raised, scaly border
- Spreading patches
- Rash on the body, scalp or groin
Tests & diagnosis
- Clinical skin examination
- Skin scraping for fungal test (KOH)
- Fungal culture in unclear cases
Treatment & management
- Antifungal creams for localised rash, as advised
- Oral antifungal medicines for scalp or widespread infection
- Keeping the area clean and dry
- Not sharing personal items
- Treating infected pets or family members
- Completing the full course of treatment
When to see a doctor urgently
- Rash spreading despite antifungal cream
- Scalp involvement or hair loss
- Signs of bacterial infection
- Recurrent or widespread infection
Not a diagnosis. MedDroid gives general educational information about ringworm. It cannot examine you, diagnose or prescribe — always confirm with a qualified doctor.
Frequently asked questions
Is ringworm caused by a worm?
No. Despite the name, ringworm is a fungal infection. The name comes from the ring-shaped rash it produces.
How can I stop ringworm from spreading?
Avoid sharing towels and clothes, keep the skin dry, wash bedding, and treat infected pets. Complete the antifungal treatment fully.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.