Drug interactions
Alteplase + Green tea
Severity: Minor
Alteplase 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
Green tea catechins may mildly affect platelet function, so a small additive bleeding tendency with alteplase is theoretically possible. Documented clinical cases are lacking.
What this interaction means in plain words
Alteplase 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.
Alteplase belongs to Cardiovascular; Green tea belongs to Gastrointestinal Tract.
Why it happens
Theoretical additive antiplatelet effect of green tea polyphenols; mechanism not firmly established.
What to do
No routine action beyond monitoring for bleeding after alteplase in patients consuming large amounts of green tea extract.
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 Alteplase
- Alteplase + Defibrotide Contraindicated
- Alteplase + Reteplase Contraindicated
- Alteplase + Tenecteplase Contraindicated
- Acetylsalicylic acid + Alteplase Major
- Alteplase + Apixaban Major
- Alteplase + Argatroban Major
Other interactions of Green tea
- Adenosine + Green tea Moderate
Frequently asked questions
Can I take Alteplase with Green tea?
MediHelp rates the interaction as minor. Alteplase 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. Green tea catechins may mildly affect platelet function, so a small additive bleeding tendency with alteplase is theoretically possible. Documented clinical cases are lacking.
How serious is the interaction between Alteplase 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 beyond monitoring for bleeding after alteplase in patients consuming large amounts of green tea extract.
What other medicines interact with Alteplase?
MediHelp also lists interactions of Alteplase with, for example, Defibrotide, Reteplase, Tenecteplase. The full list is on the Alteplase page.
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