Dermatology · UKMLA & AKT
Tinea unguium (onychomycosis)
A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise tinea unguium (onychomycosis) — the full SA Note notes add investigations, management, complications and 10 practice questions.
Key high-yield points
- Most common fungal nail infection; affects ~2-8% of population, rising to 15-20% over age 60
- Toenails >> fingernails; hallux most commonly affected; slightly more common in men
- Causative organisms: Trichophyton rubrum (70-80%), T. interdigitale (second most common); non-dermatophyte moulds and Candida less common
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