Does Nail Psoriasis Affect All Nails?

Nail psoriasis normally affects several digits (fingers and toes) and is more common on the fingernails than the toenails. Pain and tenderness from nail psoriasis can impact daily activities. Nail psoriasis may be an indicator of psoriatic arthritis (PsA), as many people have both.

Can psoriasis affect only nails?

It can also affect your joints and the appearance and texture of your nails — fingernails more often than toenails. Psoriasis can occur anywhere on the skin, but is typically found on the: elbows.

How do you know if you have nail psoriasis?

Your nails may turn white, yellow, or brown. They may also have small red or white spots underneath. Surface appearance. You may get ridges or grooves in your nails, or pitting (small pinprick holes) on the nail surface.