The four primary receptors — alpha-1, alpha-2, beta-1, and beta-2 — are located in different body areas. The impact of norepinephrine and epinephrine depend on which receptors they activate.

Alpha receptor agonists are substances that activate the sympathetic nervous system by stimulation of alpha receptors, similar to the effects of epinephrine and norepinephrine. Alpha receptors are ...

Unlike traditional stimulant medications, which primarily increase dopamine levels through direct release, solriamfetol is a ...

serotonin–norepinephrine reuptake inhibitors, noradrenergic and specific serotonin receptor antagonists, dopamine and norepinephrine reuptake inhibitors, along with newly introduced ...