Drug interactions
Bupropion + Caffeine
Severity: Minor
Bupropion and Caffeine: minor interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Both agents are CNS stimulants and bupropion lowers the seizure threshold. Large caffeine intake might add to seizure risk, insomnia, anxiety and tremor, though the evidence is limited.
What this interaction means in plain words
Bupropion and Caffeine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Bupropion belongs to Central Nervous System; Caffeine belongs to Miscellaneous.
Why it happens
Additive CNS stimulation and possible additive lowering of seizure threshold.
What to do
Advise moderation of caffeine intake, particularly in patients with seizure risk factors. Keep bupropion at the lowest effective dose.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Bupropion
- Bupropion + Isocarboxazid Contraindicated
- Bupropion + Linezolid Contraindicated
- Bupropion + Phenelzine Contraindicated
- Bupropion + Rasagiline Contraindicated
- Bupropion + Selegiline Contraindicated
- Bupropion + Selegiline transdermal Contraindicated
Other interactions of Caffeine
- Caffeine + Ephedrine Major
- Caffeine + Fezolinetant Major
- Caffeine + Methylenedioxymethamphetamine Major
- Caffeine + Selegiline transdermal Major
- Adenosine + Caffeine Moderate
- Benzphetamine + Caffeine Moderate
Frequently asked questions
Can I take Bupropion with Caffeine?
MediHelp rates the interaction as minor. Bupropion and Caffeine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Both agents are CNS stimulants and bupropion lowers the seizure threshold. Large caffeine intake might add to seizure risk, insomnia, anxiety and tremor, though the evidence is limited.
How serious is the interaction between Bupropion and Caffeine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise moderation of caffeine intake, particularly in patients with seizure risk factors. Keep bupropion at the lowest effective dose.
What other medicines interact with Bupropion?
MediHelp also lists interactions of Bupropion with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Bupropion page.
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