A<unk>  is a type of anticholinergic which inhibits the action at<unk>  acetylcholine receptors. These compounds are mainly used for peripheral muscle paralysis in surgery, but some centrally acting compounds such as mecamylamine and 18-methoxycoronaridine block<unk>  acetylcholine receptors in the brain and can be used for treating drug addiction.
Nicotinic antagonist
Serotonin antagonist
Acetylcholinesterase inhibitor
Muscarinic antagonist
Dopamine antagonist
Dopamine agonist
Muscarinic agonist
Alpha-adrenergic agonist