Drug interactions
Mistletoe + Nettle
Severity: Minor
Mistletoe and Nettle: 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
Both herbs have been proposed to reduce anticoagulation, mainly through vitamin K content in nettle. The effect has not been well studied and matters mainly for patients on anticoagulant drugs.
What this interaction means in plain words
Mistletoe and Nettle have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Nettle contains vitamin K, which may counter anticoagulation; mistletoe's effect is theoretical and the mechanism is not established.
What to do
In patients taking warfarin, check INR when either herb is started or stopped.
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 Mistletoe
Frequently asked questions
Can I take Mistletoe with Nettle?
MediHelp rates the interaction as minor. Mistletoe and Nettle have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Both herbs have been proposed to reduce anticoagulation, mainly through vitamin K content in nettle. The effect has not been well studied and matters mainly for patients on anticoagulant drugs.
How serious is the interaction between Mistletoe and Nettle?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: In patients taking warfarin, check INR when either herb is started or stopped.
What other medicines interact with Mistletoe?
MediHelp also lists interactions of Mistletoe with, for example, Aceclofenac, Aescin, Aspirin / citric acid / sodium bicarbonate. The full list is on the Mistletoe page.
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