Call 911 or other emergency services immediately if a person has signs of damage to the spine after an injury (such as a car accident, fall, or direct blow to the spine). Signs may include severe back pain, or weakness, tingling, or numbness in one or both legs.
Call your doctor now or seek immediate medical care if:
As many as 40% of people will get sciatica, or irritation of the sciatic nerve, at some point in their life. This nerve comes from either side of the lower spine and travels through the pelvis and buttocks. Then the nerve passes along the back of each upper leg before it divides at the knee into branches that go to the feet.
Anything that puts pressure on or irritates this nerve can cause pain that shoots down the back of one buttock or thigh. The sensation of pain can vary widely. Sciatica may...