table of contents
🔍 Overview
Athlete’s foot (tinea pedis) is a dermatological condition caused by superficial fungal infections (primarily dermatophytes) and may be exacerbated by vitamin B1 (thiamine) deficiency. It manifests through distinct cutaneous symptoms and requires targeted interventions to prevent transmission.
🦠 Primary Etiology
- Fungal Pathogens:
- Dermatophytes (Trichophyton rubrum, T. mentagrophytes) thrive in warm, moist environments.
- Transmission occurs via contaminated surfaces, shared footwear, or socks.
- Nutritional Deficiency:
- Insufficient vitamin B1 intake weakens skin integrity, increasing susceptibility to infections.
🩺 Clinical Manifestations
- Early Stage:
- Interdigital water-filled vesicles
- Maceration (whitening) and peeling of skin
- Persistent moisture between toes
- Progression:
- Erosion/ulceration of affected areas
- Hyperkeratosis (thickened, rough skin)
- Painful fissures in chronic cases
🛡️ Preventive Measures
| Strategy | Details |
|---|---|
| Footwear | Use breathable cotton socks; avoid synthetic materials |
| Hygiene | Wash feet daily, dry thoroughly (especially interdigital spaces) |
| Contagion Control | Do not share shoes/socks; disinfect footwear regularly |
💊 Therapeutic Approaches
- Topical Antifungals:
- Apply Daktinmycin ointment (clotrimazole/miconazole-based) twice daily for 2–4 weeks.
- Consider keratolytic agents (e.g., salicylic acid) for hyperkeratotic lesions.
- Systemic Support:
- Oral vitamin B1 supplements (100 mg/day) to address deficiency.
- Increase dietary intake of thiamine-rich foods: legumes, nuts, whole grains, and citrus fruits.
🚨 When to Seek Care
Consult a dermatologist if:
- Symptoms persist despite 4 weeks of treatment
- Signs of secondary bacterial infection (pus, erythema, fever) occur
- Severe fissures impair mobility
Pro Tip: Rotate shoes to allow thorough drying and use antifungal powders prophylactically in high-risk environments (e.g., gyms).