isoproterenol hydrochloride /ī′sōprəter″ənol/ , a beta-adrenergic stimulant. ▪ INDICATIONS: It is used as a bronchodilator and as a cardiac stimulant. ▪ CONTRAINDICATIONS: Cardiac arrhythmia or known hypersensitivity to this drug prohibits its use. ▪ ADVERSE EFFECTS: Among the more serious adverse effects are arrhythmias, tachycardia, hypotension, and intensification of angina.
