Drug interactions
Caffeine + Norepinephrine
Severity: Moderate
Caffeine 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
Caffeine may add to the pressor and chronotropic effects of norepinephrine. This is of limited relevance in monitored critical care but may matter with high caffeine exposure.
What this interaction means in plain words
Caffeine 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 sympathetic stimulation through catecholamine release and phosphodiesterase inhibition by caffeine.
What to do
Monitor blood pressure, heart rate and rhythm continuously and titrate the norepinephrine infusion to response.
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?
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Other interactions of Caffeine
- Caffeine + Ephedrine Major
- Caffeine + Fezolinetant Major
- Caffeine + Methylenedioxymethamphetamine Major
- Caffeine + Selegiline transdermal Major
- Adenosine + Caffeine Moderate
- Benzphetamine + Caffeine Moderate
Frequently asked questions
Can I take Caffeine with Norepinephrine?
MediHelp rates the interaction as moderate. Caffeine 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. Caffeine may add to the pressor and chronotropic effects of norepinephrine. This is of limited relevance in monitored critical care but may matter with high caffeine exposure.
How serious is the interaction between Caffeine 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: Monitor blood pressure, heart rate and rhythm continuously and titrate the norepinephrine infusion to response.
What other medicines interact with Caffeine?
MediHelp also lists interactions of Caffeine with, for example, Ephedrine, Fezolinetant, Methylenedioxymethamphetamine. The full list is on the Caffeine page.
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