What are the signs of a fracture in my forearm?

Pain. It is usually very painful and tender to touch, with bruising. Limited mobility of the elbow and wrist, and grip. Sometimes the forearm will be misshapen. It is important to get an x-ray.
Pain. Pain, especially with motion; swelling; and possibly a deformity. If there is any question, do not hesitate to be seen for an exam and X-ray.