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Drug interactions

Dalteparin + Green tea

Severity: Minor

Dalteparin 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 has been reported to have mild antiplatelet effects, so a small rise in bleeding risk with dalteparin is theoretically possible. Evidence of clinically important bleeding is lacking.

What this interaction means in plain words

Dalteparin 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.

Dalteparin belongs to Cardiovascular; Green tea belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Possible weak antiplatelet effect of green tea catechins; mechanism not well established.

What to do

No routine action is needed with usual dietary intake. Advise patients to report unusual bruising or bleeding.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Dalteparin with Green tea?

MediHelp rates the interaction as minor. Dalteparin 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 has been reported to have mild antiplatelet effects, so a small rise in bleeding risk with dalteparin is theoretically possible. Evidence of clinically important bleeding is lacking.

How serious is the interaction between Dalteparin 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 with usual dietary intake. Advise patients to report unusual bruising or bleeding.

What other medicines interact with Dalteparin?

MediHelp also lists interactions of Dalteparin with, for example, Defibrotide, Ketorolac, Mifepristone. The full list is on the Dalteparin page.

Full monographs, dosing and an interaction checker in the MediHelp app

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