What can i do for leg swelling from a broken blood vessel from a fall we have done hot packs and raised leg up but there is a lot of pain and black and blue in foot

First : First of all, you need to be sure there is no blood clot in your leg if you are having pain and swelling. A blood clot is a medical emergency and can only be determined by a vascular study (ultrasound). To help swelling, you are right to elevate the leg. If the accident happened within 72 hours use cold, if greater than that warm packs are fine. Compression hose may help discomfort from swelling. If there is significant swelling from an injury, fluid has been forced into the tissues in places where it usually isn't, and this can take weeks to subside and there is not a great deal you can do besides elevation and compression stockings to help the appearance and symptoms. If you have redness, increased swelling, red streaks, or fever, you need to have an immediate medical evaluation.