Athlete's foot

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Athlete's foot
Synonyms	Tinea pedis, ringworm of the foot
Pronounce	N/A
Specialty	Dermatology
Symptoms	Itching, scaling, redness, blisters
Complications	Bacterial infection, cellulitis
Onset
Duration
Types	Interdigital, moccasin, vesicular
Causes	Fungal infection (Trichophyton species)
Risks	Sweaty feet, tight shoes, communal showers
Diagnosis	Clinical examination, skin culture
Differential diagnosis	Eczema, psoriasis, contact dermatitis
Prevention	Keeping feet dry, wearing sandals in public showers
Treatment	Topical antifungal medication, oral antifungal medication
Medication	Clotrimazole, terbinafine
Prognosis	Good with treatment
Frequency	Common
Deaths	N/A

Athlete's foot, also known by its medical term Tinea pedis, is a common skin infection predominantly affecting the feet, particularly the web spaces between the toes. This condition is typically caused by a fungus which thrives in moist, warm environments.

Tinea pedis interdigitalis

Intertrigo-1

Introduction

The condition is known as athlete's foot due to its high prevalence among athletes, who often have sweaty feet and use communal showers and changing facilities, which provide optimal conditions for the growth of the fungus.

Symptoms and Signs

Athlete's foot presents with a variety of symptoms, the most common being itching, stinging, and burning between the toes. The skin may also exhibit signs of soreness, cracking, peeling, and blistering. In severe cases, the condition may spread to the soles and sides of the feet or even to the toenails, causing onychomycosis.

Causes and Transmission

Athlete's foot is caused by a group of fungi known as dermatophytes. These organisms feed on the dead skin cells, thriving in warm, damp environments such as the areas between the toes. It is highly contagious and can spread through direct contact with infected skin or by contact with contaminated surfaces, such as the floors of communal showers, locker rooms, and swimming pools.

Diagnosis

Diagnosis of athlete's foot is usually made based on clinical symptoms and examination of the affected skin. In some cases, skin scrapings may be taken to confirm the diagnosis under a microscope or to culture the fungus.

Treatment

Treatment for athlete's foot primarily involves the use of antifungal medications, available as creams, sprays, powders, and oral tablets. Good foot hygiene, including keeping the feet clean and dry and avoiding barefoot walking in communal areas, is crucial to prevent reinfection.

Prevention

Preventive measures for athlete's foot include maintaining good foot hygiene, using antifungal powders if prone to sweaty feet, wearing breathable footwear, changing socks regularly, and avoiding walking barefoot in public showers or locker rooms.

See Also

• Tinea corporis
• Tinea cruris
• Onychomycosis

References

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