<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi doctor. I injured my leg a few days ago and now my nails look irregular and Im having trouble moving my leg. I also have swelling in my leg and pain in my foot and toes. What could be causing all of this?  <response>: Based on your symptoms, it sounds like you have a blood clot in your leg, also known as deep vein thrombosis DVT. Its important to seek medical attention right away to prevent any further complications. 