Femoral nerve is that the major nerve supplying the anterior compartment of the thigh. it's the most important branch of the lumbar plexus, and arises from the dorsal divisions of the ventral rami of the second, third, and fourth lumbar nerves (L2, L3, and L4). Symptoms may include any of the following: Sensation changes within the thigh, knee, or leg, like decreased sensation, numbness, tingling, burning, or pain. Weakness of the knee or leg, including difficulty rising and down stairs -- especially down, with a sense of the knee giving way or buckling. you would possibly have corticosteroid injections in your leg to scale back inflammation and obtain obviate any swelling that happens . Pain medications can help relieve any pain and discomfort. For neuropathic pain, your doctor may prescribe medications, like gabapentin, pregabalin, or amitriptyline.