Swelling in a single finger usually results from an injury or minor infection. It may also be a sign of arthritis, gout, or a benign growth. Swelling in one finger is usually not a cause for concern.

If you’ve injured your hand, bandages can reduce swelling, restrict movement, and provide support to the muscles, bones, and joints. Certain hand injuries may heal better when bandaged. These include: ...

Arthritis is a common cause of finger swelling. However, other conditions — such as injuries, preeclampsia, and trauma — may also lead to a swollen finger joint. Finger swelling can happen when ...