What is good for lower back pain?

Depends upon cause : Lower back pain is very common problem most often it is due to over use or strain of muscles and gets better with rest moist heat back exercises over the counter medications like Motrin or aleve (naproxen) occasionally it can come from serious condition like infection of the disc space or herniated disc which may even require surgery so it depends on the cause of the pain and duration of pain good luck.

Depends on the cause: Back pain may be due to: trauma (fracture, sprains, arthritis), infection, metabolic conditions (gout), structural or biomechanical abnormality, blood clot, or nerve damage (neuropathy). A thorough history and physical exam by a professional and possibly some laboratory and radiology exams may help to determine the right cause and appropriate treatment.