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Fungal Skin Infection
Fungal skin infections are common infections caused by fungi that thrive in warm, moist areas. They cause itchy, red, sometimes ring-shaped rashes, and are very common in humid climates.
Causes & risk factors
- Fungi thriving in warmth and moisture
- Sweating and tight clothing
- Sharing towels, combs or clothes
- Poor hygiene or damp skin folds
- Weakened immunity or diabetes
- Humid weather
Common symptoms
- Itching
- Red, scaly or ring-shaped rash
- Rash in skin folds (groin, underarms, under breasts)
- Peeling or cracking skin
- Spreading patches with a raised edge
Tests & diagnosis
- Clinical skin examination
- Skin scraping for fungal test (KOH)
- Fungal culture in resistant cases
- HbA1c (if recurrent)
Treatment & management
- Antifungal creams for localised infection, as advised
- Oral antifungal medicines for widespread or stubborn cases
- Keeping the skin clean and dry
- Wearing loose, breathable cotton clothing
- Not sharing towels or clothes
- Completing the full course of treatment
When to see a doctor urgently
- Rash spreading despite treatment
- Recurrent infections
- Signs of bacterial infection (pus, increasing redness)
- Fungal infections with diabetes or weak immunity
Frequently asked questions
Why do fungal infections keep coming back?
Stopping treatment early, moisture, tight clothing and re-infection from towels or family members are common reasons. Completing treatment and keeping skin dry help prevent this.
Are fungal skin infections contagious?
Yes. They can spread through direct contact and shared items such as towels and clothes, so good hygiene is important.
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.