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Other Names:

Hortensia, Hortensia en Arbre, Hortensia de Virginie, Hortension Arborescent, Hydrangea arborscens, Mountain Hydrangea, Seven Barks, Smooth Hydrangea, Viburnum alnifolium, Viburnum americanum, Wild Hydrangea.

HYDRANGEA Side Effects
HYDRANGEA Interactions
HYDRANGEA Overview Information

Hydrangea is a plant. The root and rhizome (underground stem) are used to make medicine.

Hydrangea is used for urinary tract problems such as infections of the bladder, urethra and prostate; enlarged prostate; and kidney stones. It is also used for hay fever.

How does it work?

The chemicals in hydrangea may cause increased urine output, which could help some urinary tract problems.

HYDRANGEA Uses & Effectiveness What is this?

Insufficient Evidence for:

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

HYDRANGEA Side Effects & Safety

Hydrangea is POSSIBLY SAFE for most people when taken by mouth for only a few days. Side effects include nausea, vomiting, diarrhea, dizziness, and chest tightness.

It’s LIKELY UNSAFE to use more than 2 grams of dried hydrangea rhizome/root at a time. It is also LIKELY UNSAFE to use hydrangea for long period of time.

Special Precautions & Warnings:

Pregnancy and breast-feeding: There is not enough reliable information about the safety of taking hydrangea if you are pregnant or breast-feeding. Stay on the safe side and avoid use.

HYDRANGEA Interactions What is this?

Moderate Interaction Be cautious with this combination

  • Lithium interacts with HYDRANGEA

    Hydrangea might have an effect like a water pill or "diuretic." Taking hydrangea might decrease how well the body gets rid of lithium. This could increase how much lithium is in the body and result in serious side effects. Talk with your healthcare provider before using this product if you are taking lithium. Your lithium dose might need to be changed.


The appropriate dose of hydrangea 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 hydrangea. 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.

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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 2009.

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