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Drug interactions

Bupropion + Secobarbital

Severity: Moderate

Bupropion and Secobarbital: moderate 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

Barbiturates induce hepatic enzymes, including CYP2B6, and may increase bupropion clearance, potentially reducing efficacy. Additive CNS effects may also occur, and bupropion lowers seizure threshold.

What this interaction means in plain words

Bupropion and Secobarbital can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Bupropion belongs to Central Nervous System; Secobarbital belongs to Central Nervous System.

Evidence level: Low

Why it happens

Enzyme induction by secobarbital increases bupropion metabolism.

What to do

Monitor antidepressant or smoking-cessation response and adjust bupropion dose within labeled limits if effect is reduced. Monitor for sedation.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Bupropion with Secobarbital?

MediHelp rates the interaction as moderate. Bupropion and Secobarbital can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Barbiturates induce hepatic enzymes, including CYP2B6, and may increase bupropion clearance, potentially reducing efficacy. Additive CNS effects may also occur, and bupropion lowers seizure threshold.

How serious is the interaction between Bupropion and Secobarbital?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor antidepressant or smoking-cessation response and adjust bupropion dose within labeled limits if effect is reduced. Monitor for sedation.

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.

Full monographs, dosing and an interaction checker in the MediHelp app

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