I suddenly started with severe pain in my lower back yesterday morning it's still sore! i've not tken pain killers due to alcohol. any advice? thanks

Take easy: most likely postural one or two tabs of pain meds will not harm if continued see your doc

OveTheCounterPainMed: You can try over the counter pain med like naproxen Sodium,Ibuprofen if you have no allergy to Aspirin and no history of Peptic Ulcer in Stomach.Or Tylenol If not better see your doctor and get rx for a muscle relaxant as well.If it continues than you need imaging like Xrays,MRI Most low back pain get better in 2to5days