metaproterenol sulfate /met′əprōter″inôl/ , a beta2 receptor agonist bronchodilator. ▪ INDICATIONS: It is prescribed in the treatment of bronchial asthma and chronic obstructive pulmonary disease when a delayed onset but prolonged effect is desired. ▪ CONTRAINDICATIONS: Arrhythmias associated with tachycardia or known hypersensitivity to this drug prohibits its use. It should be used with caution in patients with hypertension, hyperthyroidism, congestive heart failure, coronary artery disease, or diabetes. ▪ ADVERSE EFFECTS: Among the more serious adverse effects are tachycardia, hypertension, and cardiac arrest.
