Antispasmodics are drugs used for their relaxant action on smooth muscle, either direct or through an antimuscarinic action on the parasympathetic innervation. They play a role in the management of gastrointestinal spasm and irritable bowel syndrome (below) as well as other disorders associated with smooth muscle spasm. Those described in this site are mainly antimuscarinics drugs in other sites that may be used for relaxation of smooth muscle include calcium-channel blockers and nitrates, as well as tings with less well defined mechanisms of action such as papaverine.
Described in this site are:
Platyphylline Acid Tartrate