An antispasmodic is a drug that suppresses smooth muscle contraction, especially in tubular organs. The effect is to prevent spasms of the stomach, intestine or bladder. Typically these drugs are anticholinergics. Many drugs are provided in tablet form. ... A top-down view of skeletal muscle Muscle is a contractile form of tissue. ... An anticholinergic agent is a member of a class of pharmaceutical compounds which serve to reduce the effects mediated by acetylcholine in the central nervous system and peripheral nervous system. ...