ID:IOTS - Infectious Disease Insight Of Two Specialists 123. Moulds: Dermatophytes
Nov 3, 2025
Dive into the fascinating world of dermatophytes, the fungi behind common skin infections. Discover how different types, like tinea capitis and athlete's foot, are transmitted and their clinical significance. Learn about the varying names and classifications of these fungi, along with effective treatment options. The hosts also explore diagnostic techniques such as KOH microscopy and culture identification. With a mix of humor and insight, this discussion shines a light on the prevalence and impact of these infections in everyday life.
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Transmission Patterns
- Transmission depends on reservoir: anthropophilic (human), zoophilic (animal) or geophilic (soil).
- Spread occurs via direct contact, contaminated surfaces, or environmental exposure in moist settings.
Burden And Severity
- Onychomycosis is the most common dermatophyte disease in the UK and affects about 5% of adults.
- Dermatophyte infections rarely cause serious harm but can be invasive in patients with cellular immune defects.
Recognise And Treat Tinea Capitis
- Consider tinea capitis in children with scaly patches and hair loss and assess for ectothrix vs endothrix invasion.
- Treat severe inflammatory cases (e.g., kerion) promptly with systemic antifungals and manage secondary bacterial infection.
