Canadian fleabane
Canadian fleabane

Background

Canadian fleabane is a plant. The parts that grow above the ground are used for medicine.

People use Canadian fleabane for swelling (inflammation) of the main airways in the lung (bronchitis), sore throat, diarrhea, abnormally heavy bleeding during menstrual periods (menorrhagia), to stop bleeding, and other conditions, but there is no good scientific evidence to support these uses.
When taken by mouth: Canadian fleabane is POSSIBLY SAFE when used appropriately.

When applied to the skin: There isn't enough reliable information available to know if Canadian fleabane is safe when applied to the skin.

Special Precautions & Warnings:

Pregnancy and breast-feeding: There isn't enough reliable information to know if Canadian fleabane is safe to use when pregnant or breast-feeding. Stay on the safe side and avoid use.

Allergy to ragweed, daisies, and related plants: Canadian fleabane may cause an allergic reaction in people who are sensitive to the Asteraceae/Compositae plant family. Members of this family include ragweed, chrysanthemums, marigolds, daisies, and many others. If you have allergies, be sure to check with your healthcare provider before taking Canadian fleabane.

Surgery: Canadian fleabane can slow blood clotting. There is concern that it might cause extra bleeding during and after surgery. Stop using Canadian fleabane at least 2 weeks before a scheduled surgery.

Effectiveness

NatMed Pro rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate.
Likely effective Effectiveness definitions
Possibly effective Effectiveness definitions
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions
  • A type of non-cancerous skin sore (granuloma annulare).
  • Abnormally heavy bleeding during menstrual periods (menorrhagia).
  • Cancer.
  • Diarrhea.
  • Fever.
  • Gout.
  • Rheumatoid arthritis (RA).
  • Sore throat.
  • Stopping bleeding when applied to the skin.
  • Swelling (inflammation) of the main airways in the lung (bronchitis).
  • Urinary tract infections (UTIs).
  • Other conditions.
More evidence is needed to rate the effectiveness of Canadian fleabane for these uses.

Dosing & administration

The appropriate dose of Canadian fleabane depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for Canadian fleabane. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

Interactions with pharmaceuticals

Medications that slow blood clotting (Anticoagulant / Antiplatelet drugs)

Interaction Rating=Moderate Be cautious with this combination.

Canadian fleabane may slow blood clotting. Taking Canadian fleabane along with medications that also slow clotting might increase the chances of bruising and bleeding.
Some medications that slow blood clotting include aspirin, clopidogrel (Plavix), dalteparin (Fragmin), enoxaparin (Lovenox), heparin, ticlopidine (Ticlid), warfarin (Coumadin), and others.

Interactions with herbs & supplements

Herbs and supplements that might slow blood clotting: Canadian fleabane may slow blood clotting. Taking it along with other herbs that also slow clotting might increase the chances of bruising and bleeding. Some herbs that can slow blood clotting include angelica, clove, danshen, garlic, ginger, ginkgo, Panax ginseng, horse chestnut, red clover, turmeric, and others. Don't take Canadian fleabane with any of these.

Interactions with foods

There are no known interactions with foods.

Action

There isn't enough information about Canadian fleabane to know how it might work.
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This monograph was last reviewed on 26/08/2023 10:00:00 and last updated on 20/12/2021 00:45:20. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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