Drug interactions
Fennel + Mistletoe
Severity: Minor
Fennel and Mistletoe: 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
Fennel has been suggested to have mild antiplatelet or anticoagulant-like activity. Mistletoe is thought to act in the opposite direction, and there is little evidence on the combination.
What this interaction means in plain words
Fennel and Mistletoe 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
Opposing effects on coagulation are theorized; the mechanism is not established.
What to do
Counsel patients and watch for bleeding or bruising if either herb is taken with anticoagulants.
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 Fennel and Mistletoe, 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 14 days on the web. No card needed.
Other interactions of Mistletoe
Frequently asked questions
Can I take Fennel with Mistletoe?
MediHelp rates the interaction as minor. Fennel and Mistletoe have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Fennel has been suggested to have mild antiplatelet or anticoagulant-like activity. Mistletoe is thought to act in the opposite direction, and there is little evidence on the combination.
How serious is the interaction between Fennel and Mistletoe?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel patients and watch for bleeding or bruising if either herb is taken with anticoagulants.
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.
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.