Fungal sinusitis involves inflammation of the sinuses due to the presence of fungi. The sinuses are hollow, air-filled spaces near the nose, cheeks, and eyes. There are two different classes of fungal ...

Toenail fungus often starts with mild nail discoloration or lifting. It’s not usually serious, but the nails may thicken, become brittle, or fall off without treatment. Nail fungus (onychomycosis) is ...