Drug interactions
Dihydroergotamine + Green tea
Severity: Minor
Dihydroergotamine and Green tea: 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
Caffeine in green tea may increase the absorption of oral ergotamine-type drugs, as is known for ergotamine with caffeine. Dihydroergotamine is mostly given by non-oral routes and green tea caffeine content is modest, so the effect is likely small.
What this interaction means in plain words
Dihydroergotamine and Green tea have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dihydroergotamine belongs to Central Nervous System; Green tea belongs to Gastrointestinal Tract.
Why it happens
Caffeine may enhance gastrointestinal absorption of ergot alkaloids; evidence for dihydroergotamine is extrapolated.
What to do
No routine action is needed; advise patients to keep caffeine intake moderate and report increased nausea, cramping or limb coldness.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dihydroergotamine and Green tea, 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 Green tea
- Adenosine + Green tea Moderate
- Benzphetamine + Green tea Moderate
- Bortezomib + Green tea Moderate
- Dextroamphetamine + Green tea Moderate
- Diethylpropion + Green tea Moderate
- Ephedrine + Green tea Moderate
Other interactions of Dihydroergotamine
- Almotriptan + Dihydroergotamine Contraindicated
- Clarithromycin + Dihydroergotamine Contraindicated
- Dihydroergotamine + Dopamine Contraindicated
- Dihydroergotamine + Dronedarone Contraindicated
- Dihydroergotamine + Efavirenz Contraindicated
- Dihydroergotamine + Eletriptan Contraindicated
Frequently asked questions
Can I take Dihydroergotamine with Green tea?
MediHelp rates the interaction as minor. Dihydroergotamine and Green tea have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Caffeine in green tea may increase the absorption of oral ergotamine-type drugs, as is known for ergotamine with caffeine. Dihydroergotamine is mostly given by non-oral routes and green tea caffeine content is modest, so the effect is likely small.
How serious is the interaction between Dihydroergotamine and Green tea?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine action is needed; advise patients to keep caffeine intake moderate and report increased nausea, cramping or limb coldness.
What other medicines interact with Green tea?
MediHelp also lists interactions of Green tea with, for example, Adenosine, Benzphetamine, Bortezomib. The full list is on the Green tea 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.
