Hello Dear and thanks for writing in Dear you have to go to your doctor and get some investigations done. So you can get to a diagnosis and accordingly treatment. Some of the causes that may be responsible for your pain are PIVD of spine, Neurological pain, and deficiency of vitamins and calcium. In my opinion you have to get your X-ray Lumber spine done and if needed MRI of the part to find out the cause of the pain. Consult your done or write back to us with investigations reports. It better to consult your doctor before going through the investigations. Meanwhile take complete bed rest, use hard bed to sleep and take analgesic and anti-inflammatory drugs to reduce pain. Hot and cold fermentation may help you. Best Wishes