<unk>  is a central alpha-2 adrenergic agonist that is FDA approved for the mitigation of opioid withdrawal symptoms to facilitate abrupt opioid discontinuation in adults.   Common adverse reactions include orthostatic hypotension, bradycardia, hypotension, dizziness, somnolence, sedation, and dry mouth.
Lofexidine
Propafenone
Pramocaine
Tocainide
Ivabradine
Nefopam
Glymidine
Procainamide