<unk>  is a brochodilator that is FDA approved for the treatment of bronchial asthma and for reversible bronchospasm which may occur in association with bronchitis and emphysema.   Common adverse reactions include hypertension, palpitations, tachyarrhythmia, flushing, nausea, tremor
feeling nervous.
Metaproterenol
Terodiline
Isoproterenol 
Altretamine
Levocabastine
Iotrolan
Bevantolol
Theodrenaline