Benedict's Herb, Bennet's Root, Benoîte, Benoîte Commune, Benoîte Urbaine, Benoîte des Villes, Blessed herb, Cariofilada, City Avens, Colewort, European Avens, Geum, Geum urbanum, Herb Bennet, Herbe Bénite, Herbe du Bon Soldat, Herbe à la Fièvre, Herbe de Saint-Benoît, Hierba de San Benito, St. Benedict's Herb, Star of the Earth, Way Bennet, Wood Avens, Yellow Avens.


Overview Information

Avens is a plant. The parts that grow above the ground and the roots are used to make medicine.

Avens is used for diarrhea, gas (flatulence), indigestion (dyspepsia), mild gum disease (gingivitis), and other conditions, but there is no good scientific evidence to support these uses.

In foods, avens is used as a flavoring.

How does it work?

Avens contains chemicals called tannins that help treat diarrhea by reducing swelling (inflammation).


Uses & Effectiveness?

Insufficient Evidence for

More evidence is needed to rate the effectiveness of avens for these uses.

Side Effects

Side Effects & Safety

When taken by mouth: Avens is LIKELY SAFE when used in small amounts as a food flavoring.

There isn't enough reliable information to know if avens is safe, or what the side effects might be, when it is used as a medicine.

Special Precautions & Warnings:

Pregnancy: Avens is POSSIBLY UNSAFE to use when pregnant. It might affect the menstrual cycle and cause a miscarriage.

Breast-feeding: There isn't enough reliable information to know if avens is safe to use when breast-feeding. Stay on the safe side and avoid use.



We currently have no information for AVENS Interactions.



The appropriate dose of 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 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.

View References


  • Granica S, Klebowska A, Kosinski M, et al. Effects of Geum urbanum L. root extracts and its constituents on polymorphonuclear leucocytes functions. Significance in periodontal diseases. J Ethnopharmacol 2016;188:1-12. doi: 10.1016/j.jep.2016.04.030. View abstract.
  • Owczarek A, Gudej J, Kicel A. Composition of essential oil from aerial and underground parts of Geum rivale and G. urbanum growing in Poland. Nat Prod Commun 2013;8(4):505-8. View abstract.

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CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.

This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version.
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