Norepinephrine-dopamine reuptake inhibitor (NDRI) antidepressant
Bupropion drug interactions: a practical overview
Drug interactions are the single biggest cause of preventable medication problems. Bupropion (Bupropion) interacts to varying degrees with several classes of medication and with a smaller list of foods. This page summarises the practically important ones at 75mg, 100mg, 150mg, 300mg, framed for a real-world prescription review rather than an exhaustive PDF list.
High-priority interactions for Bupropion
For Bupropion, the most clinically relevant interactions are typically with strong CYP3A4 inhibitors and inducers, with cardiovascular medications (notably nitrates for several Norepinephrine-dopamine reuptake inhibitor (NDRI) antidepressant agents), with central nervous system depressants, and with medications affecting blood pressure or heart rate. Bupropion inhibits the reuptake of norepinephrine and dopamine, with much weaker effect on serotonin reuptake.
Working with the pharmacist
A pharmacist review of all current medications is the practical safeguard against unintended interactions with Bupropion. According to the prescribing information for Bupropion, the full medication list — prescription, OTC, supplements and recreational substances — should be reviewed before starting and at every dose change at 75mg, 100mg, 150mg, 300mg.
Frequently asked questions
What's the most important Bupropion interaction to know? ▾
For most Norepinephrine-dopamine reuptake inhibitor (NDRI) antidepressant medications, the highest-priority interaction is with nitrate medications used for chest pain — this combination is often a hard contraindication. After that, strong CYP3A4 inhibitors (some antifungals, macrolides) are the next concern at routine 75mg, 100mg, 150mg, 300mg doses.
Do I need to tell the pharmacist about supplements? ▾
Yes. Supplements and herbal products can interact with Bupropion in ways that prescription drug-drug interaction databases miss. The pharmacist needs the complete picture — including supplements like St John's Wort, grapefruit-containing products and high-dose vitamins — to flag risks at 75mg, 100mg, 150mg, 300mg.
Products containing Bupropion
More on Bupropion
- With alcoholBupropion and alcohol — is it safe to drink?
- With foodShould Bupropion be taken with food?
- Side effectsBupropion side effects: common, rare and warning signs
- Dosage guideBupropion dosage guide: how much to take and when
- OnsetHow fast does Bupropion start working?
- DurationHow long does Bupropion last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.