Drug interactions
Estazolam + Modafinil
Severity: Minor
Estazolam 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
Estazolam is a sedative-hypnotic benzodiazepine, while modafinil promotes wakefulness, so the drugs act in opposite directions on alertness. Modafinil may also weakly induce CYP3A4, possibly lowering estazolam exposure.
What this interaction means in plain words
Estazolam 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 pharmacodynamic effects on arousal, with possible weak CYP3A4 induction by modafinil.
What to do
Monitor sleep quality and daytime sedation and adjust the estazolam dose if hypnotic effect is reduced. Avoid taking modafinil 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 Modafinil
Frequently asked questions
Can I take Estazolam with Modafinil?
MediHelp rates the interaction as minor. Estazolam 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. Estazolam is a sedative-hypnotic benzodiazepine, while modafinil promotes wakefulness, so the drugs act in opposite directions on alertness. Modafinil may also weakly induce CYP3A4, possibly lowering estazolam exposure.
How serious is the interaction between Estazolam 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: Monitor sleep quality and daytime sedation and adjust the estazolam dose if hypnotic effect is reduced. Avoid taking modafinil late in the day.
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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