A patient complains of itching on her feet. On inspection the nurse observes weeping vesicles and skin that is softened and broken down between the toes. What explanation does the nurse give the patient about the cause of this skin disorder?

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This is a description of tinea pedia, which is caused by a number of dermophyte fungal infections. Bacterial infections such as cellulitis cause redness, warmth, and tenderness, rather than itching. Allergic reactions such as contact dermatitis cause itching, but they appear as localized erythema, and may also form edema, wheals, scales, or vesicles. Viral infection such as herpes form grouped vesicles that are painful, rather than itching.

A Patient Complains of Itching on Her Feet