Chou de Chien, Foirolle, Merculiare, Mercurial, Mercuriale, Mercuriale Annuelle, Mercuriale des Jardins, Mercurialis annua, Ortie Bâtarde, Ortiga Muerta, Vignette.<br/><br/>


Overview Information

Mercury herb is a plant. People use the flowering plant, root, and root-like stem (rhizome) of the plant to make medicine.

Despite serious safety concerns, mercury herb is used for treating constipation, fluid retention, swelling with pus, as well diseases of the stomach, intestines, and urinary tract.

How does it work?

The root and stem of mercury herb might work as laxatives to help stool move through the intestine.


Uses & Effectiveness?

Insufficient Evidence for

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

Side Effects

Side Effects & Safety

Mercury herb is UNSAFE when the fresh plant is taken by mouth. It can cause diarrhea, bladder problems, paralysis, liver and kidney failure, and death.

Special Precautions & Warnings:

While mercury herb is UNSAFE for anyone to use, some people are especially sensitive to the toxic effects. Be particularly careful not to use mercury herb if you have one of the following conditions:

Pregnancy and breast-feeding: It’s UNSAFE to use mercury herb if you are pregnant or breast-feeding. It contains chemicals that might harm the baby.

Plant allergies: Mercury herb pollen might cause allergic reactions, nose irritation, and asthma in some people who are sensitive to mercury herb and related plants. Some of these plants are Mercurialis annua and Olea europaea, Fraxinus elatior, Ricinus communis, Salsola kali, Parietaria judaica, and Artemisia vulgaris.



We currently have no information for MERCURY HERB Interactions.



The appropriate dose of mercury herb 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 mercury herb. 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


  • Garcia-Ortega P, Martinez J, Martinez A, et al. Mercurialis annua pollen: a new source of allergic sensitization and respiratory disease. J Allergy Clin Immunol 1992;89:987-93. View abstract.
  • Vallverdu A, Garcia-Ortega P, Martinez J, et al. Mercurialis annua: characterization of main allergens and cross- reactivity with other species. Int Arch Allergy Immunol 1997;112:356-64. 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.
© Therapeutic Research Faculty 2018.