<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have this swelling on my leg that just wont go down. Its been getting worse since the injury to my hip.  <response>: The swelling in your leg is likely caused by a blood clot. This is a common complication of hip injuries. You will need to undergo imaging tests to confirm the diagnosis and then we can start a proper treatment. 