Drug interactions
Ethanol + Modafinil
Severity: Minor
Ethanol and Modafinil: 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
Modafinil does not reliably counteract alcohol-induced impairment, and users may feel more alert while psychomotor performance remains impaired. Alcohol use is generally discouraged during modafinil treatment.
What this interaction means in plain words
Ethanol and Modafinil have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Opposing CNS effects (wakefulness promotion versus CNS depression) without a well-established pharmacokinetic interaction.
What to do
Advise patients to avoid alcohol while taking modafinil and not to rely on modafinil to offset intoxication when driving or operating machinery.
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 Modafinil
Frequently asked questions
Can I take Ethanol with Modafinil?
MediHelp rates the interaction as minor. Ethanol and Modafinil have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Modafinil does not reliably counteract alcohol-induced impairment, and users may feel more alert while psychomotor performance remains impaired. Alcohol use is generally discouraged during modafinil treatment.
How serious is the interaction between Ethanol and Modafinil?
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 patients to avoid alcohol while taking modafinil and not to rely on modafinil to offset intoxication when driving or operating machinery.
What other medicines interact with Modafinil?
MediHelp also lists interactions of Modafinil with, for example, Lenacapavir, Leniolisib, Lorlatinib. The full list is on the Modafinil page.
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