Suggest Treatment For Severe Back Pain

Hello sir,i m 26 yr old having an one & half yr baby.Last year i sleept inside the bathroom and it caused seviour back pain.I caunseled to the doctor.he suggested to x-ray but the result was normal.From that day to till date m having back pain.I feel hard to moove my body.Es-specially during morning time its very hard to get up.Please sir suggest me any remedy.