wellbutrin sr Get Now Mechanism of Action Wellbutrin SR is classified as a norepinephrine-dopamine reuptake inhibitor (NDRI). It primarily affects the reuptake of two key neurotransmitters—norepinephrine and dopamine—in the brain. By increasing the availability of these neurotransmitters, Wellbutrin SR can help alleviate symptoms of depression, enhance motivation, and improve overall [...]