Soma Compound is part of the Muscle Relaxant / NSAID Combinations class and treats Pain and Musculoskeletal Conditions. Muscle relaxant / NSAID combinations are used to treat musculoskeletal conditions and pain. They work by decreasing pain and inflammation and by relaxing muscles. Soma Compound is only available as a brand name drug. Get Carisoprodol/Aspirin for as low as $58.95, which is 49% off the average retail price of $115.74 for the most common version, by using a GoodRx coupon.