pirbuterol acetate

pirbuterol acetate (pirbū´tərol´ as´ətāt),

n brand name: Maxair;
drug class: bronchodilator;
action: causes bronchodilation with little effect on heart rate by acting on β-receptors, causing increased cAMP and relaxation of smooth muscle;
uses: reversible bronchospasms (prevention, treatment), including asthma, may be given with theophylline or steroids.