<unk> (oral) is a Beta-2 adrenergic agonist, bronchodilator and sympathomimetic that is FDA approved for the treatment of bronchospasm in patients 12 years of age and older with asthma and reversible bronchospasm associated with bronchitis and emphysema. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include palpitations, tachyarrhythmia, headache, seizure, tremor, and nervousness.
Terbutaline 
Oxymetazoline
Oxymetazoline hydrochloride
Halofantrine
Iotrolan
Methylergonovine 
Almitrine
Midodrine