<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have a hand injury and I am experiencing hand and wrist swelling, and focal weakness. What could be wrong with me?  <response>: Based on your symptoms, it is possible that you have an injury to your hand, which could include a fracture or a sprain. I would recommend performing some imaging studies to determine the extent of the injury and the best treatment plan. 