©2018 WebMD, Inc. All rights reserved. eMedicineHealth does not provide medical advice, diagnosis or treatment. See Additional Information.

Water Avens

What other names is Water Avens known by?

Benoîte Aquatique, Benoîte Pourpre, Benoîte des Ruisseaux, Cariofilada Acuática, Chocolate Root, Cure All, Geum rivale, Indian Chocolate, Throat Root, Water Chisch, Water Flower.

What is Water Avens?

Water avens is a plant. The underground parts and fresh flowering plant are used to make medicine.

Water avens is used for digestive tract problems including diarrhea, catarrhal colitis, and ulcerative colitis. It is also used for uterine bleeding and fevers.

Insufficient Evidence to Rate Effectiveness for...

  • Diarrhea.
  • Fever.
  • Intestinal problems.
  • Bleeding from the uterus.
  • Other conditions.
More evidence is needed to rate the effectiveness of water avens for these uses.

How does Water Avens work?

Water avens contains tannins, which can act as drying agents (astringents). Astringent effects might help reduce diarrhea.

Are there safety concerns?

It is not known if water avens is safe or what the potential side effects might be.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Not enough is known about the use of water avens during pregnancy and breast-feeding. Stay on the safe side and avoid use.

Are there any interactions with medications?

Medications taken by mouth (Oral drugs)Interaction Rating: Moderate Be cautious with this combination.Talk with your health provider.

Water avens contains a large amount of chemicals called tannins. Tannins absorb substances in the stomach and intestines. Taking water avens along with medications taken by mouth can decrease how much medicine your body absorbs and decrease the effectiveness of your medicine. To prevent this interaction, take water avens at least one hour after medications you take by mouth.

Metformin (Glucophage)Interaction Rating: Moderate Be cautious with this combination.Talk with your health provider.

Metformin (Glucophage) is used to help decrease blood sugar. Water avens might decrease how much metformin (Glucophage) the body absorbs. Taking water avens along with metformin (Glucophage) might decrease the effectiveness of metformin (Glucophage) for lowering blood sugar. Monitor your blood sugar closely. The dose of your metformin (Glucophage) might need to be changed.

Dosing considerations for Water Avens.

The appropriate dose of water avens 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 water avens. 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.


Vitamin D Deficiency: How Much Vitamin D Is Enough? See Slideshow

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).

Health Solutions From Our Sponsors

Reviewed on 9/17/2019

Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.

Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

Schulz V, Hansel R, Tyler VE. Rational Phytotherapy: A Physician's Guide to Herbal Medicine. Terry C. Telger, transl. 3rd ed. Berlin, GER: Springer, 1998.


Health Solutions From Our Sponsors