<unk>  is contraindicated in people with overt cardiac failure, greater-than-first-degree heart block, severe bradycardia, cardiogenic shock, severe hypotension, anyone with a history of obstructive airway disease including asthma, and those with hypersensitivity to the drug.
Labetalol
Esmolol
Nadolol
Sodium nitroprusside
Nefopam
Alvimopan
Fenoldopam
Dobutamine