Foot fungus pictures
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Understanding Foot Fungus: Clinical Pictures and Treatments
Mycetoma Pedis (Madura Foot): Clinical and Pathological Pictures
Mycetoma pedis, commonly known as Madura foot, is a chronic fungal infection that primarily affects the foot. This condition is caused by the invasion of filamentous fungi, often introduced through the prick of an infected thorn or splinter. The disease is characterized by the presence of small grain-like bodies, which are clumps of fungi, found in the discharge from the affected area or in biopsy specimens. Radiological examinations of patients with mycetoma pedis reveal significant bone changes, which are crucial for diagnosis and treatment planning.
Tinea Pedis (Athlete's Foot): Clinical Presentations and Oral Treatments
Tinea pedis, also known as athlete's foot, is a common fungal infection affecting approximately 15% of the global population. It typically presents in two forms: interdigital tinea pedis, which occurs between the toes, and plantar tinea pedis, also known as moccasin foot, which affects the soles, heels, and sides of the foot. Chronic cases or those unresponsive to topical treatments often require oral antifungal therapy. Studies have shown that terbinafine is more effective than griseofulvin in curing tinea pedis, while terbinafine and itraconazole are both more effective than no treatment at all. However, all oral antifungal drugs can cause adverse effects, primarily gastrointestinal issues.
Topical Treatments for Fungal Infections of the Foot
Topical treatments are commonly used for fungal infections of the skin and nails of the foot. These infections usually occur in the outermost layer of the skin, particularly between the toes, causing pain and itchiness. Onychomycosis, a fungal infection of the nail, can affect the entire nail plate. Placebo-controlled trials have demonstrated that allylamines and azoles are significantly more effective than placebo in treating athlete's foot, with allylamines showing a slightly higher cure rate than azoles. For nail infections, ciclopiroxolamine and butenafine have shown some effectiveness, but they require prolonged daily application, often for at least a year.
Conclusion
Foot fungal infections, including mycetoma pedis and tinea pedis, present significant clinical challenges. Mycetoma pedis requires careful radiological assessment for effective treatment, while tinea pedis can often be managed with oral or topical antifungal therapies. Terbinafine and itraconazole are particularly effective for tinea pedis, while allylamines and azoles are preferred for topical treatment of skin infections. Further research is needed to improve treatment outcomes, especially for fungal nail infections.
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