Drug interactions
Armodafinil + Nefazodone
Severity: Moderate
Armodafinil and Nefazodone: 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
Nefazodone is a potent CYP3A4 inhibitor and may raise armodafinil concentrations, which are partly cleared through CYP3A4. This could increase adverse effects such as anxiety, insomnia, headache and raised blood pressure.
What this interaction means in plain words
Armodafinil and Nefazodone 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.
Why it happens
Nefazodone inhibits CYP3A4 metabolism of armodafinil.
What to do
Monitor for stimulant adverse effects and blood pressure. Lower the armodafinil dose if adverse effects appear.
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 Armodafinil and Nefazodone, 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 Armodafinil
Frequently asked questions
Can I take Armodafinil with Nefazodone?
MediHelp rates the interaction as moderate. Armodafinil and Nefazodone 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. Nefazodone is a potent CYP3A4 inhibitor and may raise armodafinil concentrations, which are partly cleared through CYP3A4. This could increase adverse effects such as anxiety, insomnia, headache and raised blood pressure.
How serious is the interaction between Armodafinil and Nefazodone?
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 for stimulant adverse effects and blood pressure. Lower the armodafinil dose if adverse effects appear.
What other medicines interact with Armodafinil?
MediHelp also lists interactions of Armodafinil with, for example, Avapritinib, Elacestrant, Elbasvir / grazoprevir. The full list is on the Armodafinil 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.
