Medically reviewed by Scott Zashin, MD Key Takeaways Infection, injury, and arthritis are common causes of swollen finger ...

Paronychia is a skin infection that develops around the nail. It occurs when bacteria or fungi get under the skin. Paronychia can result from biting or chewing the nails, but it is more common when ...

You feel it first as a slight tenderness around your fingertip. Maybe you dismiss it as a paper cut or kitchen mishap. But within hours, that mild discomfort transforms into throbbing pain that keeps ...

In fungal infections, invasive fungi grow in or on your body. Many types of fungi occur naturally in your body in small amounts. Some infections occur when these fungi grow out of control while other ...