Severe lower back pain, both sides down to buttocks.can't sit, or straighten back tried nsaids & pain meds, nothin helps lying down ok, hard to get up?

Low back pain: The pain you describe may be related to the lumbar spine or the pelvis and hips. I would recommend a visit to a neurosurgeon or spine specialist who may recommend physical therapy, pain management or an imaging study to evaluate and treat the pain.

Sciatica: Pain in the distribution as you suggested describes the pattern of the nerve that travels in the leg called the sciatic nerve. The sciatic nerve is not the cause of the pain source, it is the result of an irritated nerve typically in the lumbar spine (low back) which are caused by herniated disks, spinal stenosis or degenerative disc disease requiring further evaluation by a spine specialist.

See your doctor: Although you could have sustained a disc rupture, it is also conceivable that you might possess a facet impingement or arthropathy, and may even have sacra-iliac dysfunction. Regardless of pain intensity, this could potentially be readily reversible by osteopathic treatment. Get diagnosed and start rehabilitation.