What common foot condition is also known as athlete's foot?

Athlete's foot is commonly referred to as tinea pedis, which is a fungal infection that typically affects the skin on the feet. This condition is characterized by itching, redness, and flaking of the skin, usually between the toes and on the soles of the feet. Tinea pedis is caused by various types of fungi that thrive in warm, moist environments, making it a common issue for people who frequently wear closed-toe shoes or who walk barefoot in communal areas like gyms or pools.

The other conditions mentioned, while related to foot health and nail issues, represent different ailments. Onychomycosis refers to a fungal infection of the nails, primarily affecting their appearance and integrity. Onychia is an inflammation of the nail matrix, which can be associated with infections but is distinct from fungal infections of the feet. Paronychia involves inflammation of the skin around the nail, potentially caused by bacteria or fungi. Each of these conditions has its own causes, symptoms, and treatment options, differentiating them from athlete's foot. Thus, tinea pedis is the appropriate term for athlete's foot within this context.