antispasmodic

/ˌæn(t)iˌspæzˈmɑdɪk/
/ˌænˌtaɪˌspæzˈmɑdɪk/

adjective

(chiefly of a drug) used to relieve spasm of involuntary muscle.

Alternatively, antispasmodic drugs and motility stimulants may be prescribed.

noun

An antispasmodic drug.

When the physiology of asthma was better understood, antispasmodics were given on a continuous basis to attempt to lower airway tone.