Finger pain can be caused by disease or injury affecting any of the structures in the finger, including the bones, muscles, joints, tendons, blood vessels, or connective tissues. Joint pain is a feature of joint inflammation (arthritis) that may occur in the joints of the finger bones.This can sometimes be accompanied by redness, swelling, or warmth of the joints. Both osteoarthritis and rheumatoid arthritis (RA) commonly affect joints of the fingers.Trauma or injury to the finger, such as bruises, dislocations, and fractures of bone are all common causes of finger pain.Tumors of the structures in the finger are a very rare cause of finger pain.oint pain is a feature of joint inflammation (arthritis) that may occur in the joints of the finger bones. This can sometimes be accompanied by redness, swelling, or warmth of the joints.