Skin, hair & nailsInfection (fungal)ICD-10 B35
Fungal skin infections (tinea)
Also called: Ringworm, Athlete's foot, Tinea
Common superficial infections by dermatophyte fungi, causing ring-shaped itchy patches, athlete's foot or thickened nails.
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Causes
- Dermatophytes (Trichophyton, Microsporum)
Risk factors
- Warm, moist skin
- Shared showers
- Diabetes
- Contact sports, pets
Symptoms
- Itchy red ring with a scaly edge
- Cracked peeling skin between toes
- Thick discoloured nails
Diagnosis — tests and examinations
- Clinical; skin scrapings for microscopy and culture
Treatment
Medicines and medical treatment
- Topical terbinafine or azoles
- Oral terbinafine for nails or scalp
Self-care, home remedies and lifestyle
- Keep skin dry
- Do not share towels
- Wear sandals in communal showers
Possible complications
- Cellulitis through cracked skin
Prevention
- Good foot hygiene
Outlook
Skin infections clear in weeks; nail infections take months.
When to see a doctor
See a doctor if it does not respond to pharmacy treatment.
Sources and further reading
These sources cover this condition. They have not been checked against every statement on this page.
Related conditions
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