skin disorders
Overview of Nail Disorders
Causes of Nail Disorders
Some of the causes of nail disorders include the following: Infections (such as Acute Paronychia , Fingernail and Toenail Injury None Internal diseases (such as certain lung diseases, which can cause yellow nail syndrome) Nail fungus ( Onychomycosis ) Structural problems (such as an Ingrown Toenail ) Birth deformities of the nail (such as pachyonychia congenita) Effect of drugs on nails None Tumors of the Nails None With aging, nails become dry and brittle and flat or concave instead of convex. They may develop ridges along their length. Nail color may change to yellow or gray. Brittle nails may split. Toenails require special attention in older people and in people with diabetes ( see Foot problems in diabetes ) or peripheral vascular disease ( see 