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Pathology and Transmission
Tinea pedis (commonly termed athlete’s foot) is a fungal infection caused by dermatophytes, primarily Trichophyton species. Transmission occurs via:
- Shared footwear or towels
- Contact with contaminated surfaces
- Warm, moist environments (e.g., locker rooms)
Clinical Presentation
Severe manifestations include:
- Interdigital maceration with serous exudate
- Secondary bacterial infection (Staphylococcus/Streptococcus colonization)
- Pruritus and erythema
Therapeutic Protocol
First-Line Topical Agents
- Clotrimazole 1% cream (BID application)
- Terbinafine 1% cream (QD application)
- Miconazole nitrate 2% cream (BID application)
Treatment Duration
4-6 weeks of continuous therapy required for mycological cure
Complicated Cases
For exudative lesions with suspected bacterial superinfection:
- Add topical antibiotic (e.g., mupirocin 2% ointment)
- Consider oral antibiotics if cellulitis present
Preventive Measures: Foot hygiene optimization, avoidance of occlusive footwear, and use of antifungal powders in high-risk individuals.