Ache o Soma and Watson Pain o soma 350 mg belong to the category of conventional centrally appearing muscle relaxants. They bind as agonists to the gamma-aminobutyric acid (GABA) receptor and launch GABA, a neurotransmitter, which makes the muscle cells calm down. At a similar time, Ache o Soma and Watson Carisoprodol stimulate the discharge of compounds that assist in cutting back aches and restlessness.