Commonly used muscle relaxant therapies for acute low back pain: a review of carisoprodol, cyclobenzaprine hydrochloride, and metaxalone.

Background: Low back pain is a leading reason for primary care visits. Many treatment options are available, but some lack scientific support.

Objective: The aim of this review was to discuss the etiology of low back pain and the relative risks and benefits of muscle relaxants commonly prescribed for the management of back pain.