Dermatology · UKMLA & AKT
Tinea unguium (onychomycosis)
A free high-yield preview for the UKMLA Applied Knowledge Test, covering how to recognise this condition. The full SA Note notes add investigations, management and complications, with practice questions on this topic.
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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