Dermatophytosis of nail is a fungal infection that occurs when fungi invade the nail plate and surrounding skin. It is often caused by tinea unguium, which is one of the most common fungal infections of the feet. It can also be caused by other species of fungi, such as Trichophyton rubrum, Trichophyton mentagrophytes, and Epidermophyton floccosum.
Dermatophytosis of nail can be diagnosed through a physical examination of the nail and surrounding skin. Nail clippings may be taken and sent for laboratory testing to confirm the diagnosis.
Differential diagnosis includes other nail disorders, such as psoriasis and onychomycosis.
Treatment for dermatophytosis of nail involves antifungal medications, such as terbinafine and itraconazole. These medications can be taken orally or applied topically to the affected nail.
The prognosis for dermatophytosis of nail is generally good with proper treatment. However, the infection may recur if the fungus is not completely eliminated.