Drug interactions
Modafinil + Norepinephrine
Severity: Moderate
Modafinil and Norepinephrine: 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
Both drugs raise sympathetic tone, so combining modafinil with intravenous norepinephrine may add to blood pressure and heart rate elevation. This matters mainly in critically ill or cardiovascular patients receiving titrated vasopressors.
What this interaction means in plain words
Modafinil and Norepinephrine 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
Additive pharmacodynamic sympathomimetic and cardiovascular stimulation.
What to do
Hold modafinil in patients on vasopressor infusions where possible; otherwise monitor blood pressure and heart rate continuously and titrate norepinephrine accordingly.
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 Modafinil and Norepinephrine, 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 Modafinil
Frequently asked questions
Can I take Modafinil with Norepinephrine?
MediHelp rates the interaction as moderate. Modafinil and Norepinephrine 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. Both drugs raise sympathetic tone, so combining modafinil with intravenous norepinephrine may add to blood pressure and heart rate elevation. This matters mainly in critically ill or cardiovascular patients receiving titrated vasopressors.
How serious is the interaction between Modafinil and Norepinephrine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Hold modafinil in patients on vasopressor infusions where possible; otherwise monitor blood pressure and heart rate continuously and titrate norepinephrine accordingly.
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.
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.
