When Hand or Wrist Pain May Mean Arthritis | Arthritis ...
Psoriatic arthritis Psoriatic arthritis is a form of arthritis that usually affects the joints and the skin (psoriasis) as wells as the finger and toe nails.The entire finger can become swollen (dactylitis), giving it a sausage-like appearance. About 80 percent of people with psoriatic arthritis have nail changes, pitting, thickening and/or separation from the nail bed.