With the right treatment and lifestyle changes, you can alleviate the symptoms of sciatica and improve your overall health and well-being. In this post our London chiropractor covers the symptoms and causes of sciatica along with ways to relieve its symptoms. Causes of SciaticaSciatica is caused by the irritation or compression of the sciatic nerve, which is the longest nerve in the body. Relieving the Symptoms of SciaticaThere are several ways to relieve the symptoms of sciatica, including:Stretching and Exercise: Stretching exercises can help to alleviate the pressure on the sciatic nerve and reduce the symptoms of sciatica. Massage may also improve blood flow to the muscles in the lower back and help reduce pain levels.