According to the symptoms you are going through, it is likely that you bruised your knee or your muscles or tendons around it got injured. This might present as a combination of swelling, pain, and immobility of the leg Lie down while putting your feet up, apply a cold compress to the area, stretch your leg, and wrap it with a long elastic bandage to reduce swelling. If the pain persists, replays, or intensifies, or you find it hard to bear its weight, go to the orthopaedist.

Your left hand pain could be linked to a Vitamin D deficiency, as doctors suggest. Common symptoms of this deficiency include body pain, muscle weakness, and bone pain. Vitamin D helps keep our bones strong, and when we don’t have enough, we can feel pain in our muscles and bones. To boost your Vitamin D levels, spend some time in sunlight or take a Vitamin D supplement as advised by your doctor.

you should get medical help immediately. Contact your orthopedic surgeon and follow medical advice given. Indeed, delaying treatment causes only more problems.