Drug interactions
Armodafinil + Zolpidem
Severity: Minor
Armodafinil and Zolpidem: 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
Armodafinil is a weak CYP3A4 inducer and may modestly lower zolpidem exposure, potentially reducing hypnotic effect. Its wake-promoting action also opposes sedation, so zolpidem may seem less effective.
What this interaction means in plain words
Armodafinil and Zolpidem have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Armodafinil belongs to Central Nervous System; Zolpidem belongs to Central Nervous System.
Why it happens
Weak induction of CYP3A4 by armodafinil increases zolpidem clearance, with opposing pharmacodynamic effects on alertness.
What to do
Monitor sleep quality and adjust the zolpidem dose only if efficacy is clearly reduced. Avoid dosing armodafinil late in the day.
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 Zolpidem
Other interactions of Armodafinil
Frequently asked questions
Can I take Armodafinil with Zolpidem?
MediHelp rates the interaction as minor. Armodafinil and Zolpidem have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Armodafinil is a weak CYP3A4 inducer and may modestly lower zolpidem exposure, potentially reducing hypnotic effect. Its wake-promoting action also opposes sedation, so zolpidem may seem less effective.
How serious is the interaction between Armodafinil and Zolpidem?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor sleep quality and adjust the zolpidem dose only if efficacy is clearly reduced. Avoid dosing armodafinil late in the day.
What other medicines interact with Zolpidem?
MediHelp also lists interactions of Zolpidem with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Benzhydrocodone / acetaminophen. The full list is on the Zolpidem page.
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