Sciatica is distributed around the sciatic nerve, and radiating pain may occur in the dorsum of the foot on the outside, the back of the calf on the outside, the back of the thigh, and in major locations along the buttocks. The sciatic nerve is the thickest nerve in the body. When the sciatic nerve is compressed, pain may develop in various parts of the innervated area. Sciatica is often aggravated by exertion and coughing. Common conditions that cause sciatica include lumbar disc herniation, pyriformis syndrome, etc. It can seriously affect the quality of life and requires prompt and regular treatment. If you suspect sciatica, it is recommended that you go to a regular hospital to get a clear diagnosis, and under the guidance of your doctor, you will be treated accordingly.