Drug interactions
Brexpiprazole + Methadone
Severity: Moderate
Brexpiprazole and Methadone: 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
Brexpiprazole can cause somnolence, and methadone is a potent CNS and respiratory depressant. Combined use may increase sedation and impair alertness.
What this interaction means in plain words
Brexpiprazole and Methadone 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.
Brexpiprazole belongs to Central Nervous System; Methadone belongs to Musculoskeletal.
Why it happens
Additive CNS depressant effects.
What to do
Use the lowest effective doses and monitor for excessive sedation and respiratory depression. Advise patients to avoid driving until the response is known.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Brexpiprazole and Methadone, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Methadone
- Alvimopan + Methadone Contraindicated
- Calcium / magnesium / potassium / sodium oxybates + Methadone Contraindicated
- Droperidol + Methadone Contraindicated
- Ibutilide + Methadone Contraindicated
- Isocarboxazid + Methadone Contraindicated
- Lefamulin + Methadone Contraindicated
Other interactions of Brexpiprazole
Frequently asked questions
Can I take Brexpiprazole with Methadone?
MediHelp rates the interaction as moderate. Brexpiprazole and Methadone 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. Brexpiprazole can cause somnolence, and methadone is a potent CNS and respiratory depressant. Combined use may increase sedation and impair alertness.
How serious is the interaction between Brexpiprazole and Methadone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective doses and monitor for excessive sedation and respiratory depression. Advise patients to avoid driving until the response is known.
What other medicines interact with Methadone?
MediHelp also lists interactions of Methadone with, for example, Alvimopan, Calcium / magnesium / potassium / sodium oxybates, Droperidol. The full list is on the Methadone page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.