Do muscle relaxants work for back pain? Maybee yes, maybee no. So if thats the case which should you choose? Probably the best naswer to that is choose something non adictive with no serious side affects. Thus not diazepam. https://journalfeed.org/article-a-day/2019/do-muscle-relaxers-help-back-pain
Do Muscle Relaxers Help Back Pain?
There was no benefit in functional outcome or pain at one week by using ibuprofen + either baclofen, metaxolone, or tizanidine over ibuprofen + placebo.