catecholaminergic catecholaminergic catecholaminergic means "related to catecholamines". the catecholamine neurotransmitters include dopamine, epinephrine (adrenaline), and norepinephrine (noradrenaline). main article: catecholamine a catecholaminergic agent (or drug) is a chemical which functions to directly modulate the catecholamine systems in the body or brain. examples include adrenergics and dopaminergics.