Nail Diseases

A fungal infection of the nails causes thickened, discolored nails that can be painful. Find out what fungal nail infections look like and how they are diagnosed and treated.

Paronychia, an infection of the skin around the nail, is the most common hand infection in the United States. Find out more about the cause and treatment of paronychia.

Find out more about what causes ingrown toenails and how they are treated.

Fingernails and toenails are made of more than just the nail we see. Find out more about nail anatomy and growth.

This article from the American Academy of Dermatologists gives explanations of common nail disorders with good pictures.

Information on common diseases of the nail from the National Skin Centre.

Onycholysis is splitting of the fingernail away from the finger. This article explains more about the different causes of onycholysis.

Facts about fungal infections of the nails.

This is a medical article that explains the difference between acute and chronic paronychia.