What are signs of a finger sprain?

Pain and swelling: A finger sprain is an injury involving the supporting structures of joint. The joint capsule and ligaments, provide stability to the joint. In a sprain, these structures are excessively stretched, buy not disrupted. Joint pain, swelling and laxity are common symptoms, resolve with time and can be helped by brief immobilization, protected range of motion, ice, nsaid's and steroids.

Pain: Pain, swelling, bruising, stiffness. Have it evaluated and make sure it is not fractured.

Pain: Pain, swelling, tenderness. I would not hesitate to be seen to make sure it is not a fracture or more serious injury as well.