<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi doctor, Ive been having leg cramps and spasms, as well as pain in my leg, foot, and toes. Ive also noticed swelling in my arm and hand. What could be causing these symptoms?  <response>: Based on your symptoms, it sounds like you may have thrombophlebitis, which is inflammation of a vein due to a blood clot. 