Carisoprodol (Pain O Soma) is one of the most widely prescribed muscle relaxants in the USA — but how does it compare to Cyclobenzaprine, Methocarbamol, Tizanidine, and Baclofen? This complete comparison covers every major muscle relaxant's mechanism, sedation level, controlled substance status, and abuse potential — with a clear head-to-head table and a guide to which is best for acute spasm, spasticity, daytime use, and chronic pain conditions.