<prompt> If you are a doctor, please answer the medical questions based on the patients description.i have been having back pain for the last couple days I thought I slept wrong it is located down and on both sides if I were to put my fists directly above my hips in the back it hurts right there sometimes I cant move without pain if I sit up straight and push my chest out it hurts really bad not sure if I slept wrong or if it is a kidney infection I dont want to go to the emergency room if it isnt necessary  <response>: Hi, thanks for writing to Chat Doctor. Based on the description, I think that you have suffered Acute lumbosacral strain. The general treatment guidelines are as follows - Give adequate rest to the inflamed area making it to heal and recover Avoid involving in activities that produces pain Ice packing for 10 minutes once in 2 hours Moist heat application over the affected area Analgesic Muscle relaxant medications as needed. If you dont find any relief with the above measures, a detailed clinical examination along with appropriate investigations are needed to establish a diagnosis. Hope this information is helpful. Good day 