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BLACK HAW

Other Names:

Blackhaw, Nanny Bush, Southern Black Haw, Stag Bush, Viburno, Viburno Americano, Viburnum, Viburnum lentago, Viburnum prunifolium, Viburnum rufidulum, Viorne Américaine, Viorne à Feuilles de Prunier, Viorne à Manchettes.

BLACK HAW Overview
BLACK HAW Uses
BLACK HAW Side Effects
BLACK HAW Interactions
BLACK HAW Dosing
BLACK HAW Overview Information

Black haw is a shrub that is native to the woodlands of central and southern North America. People use the root bark and its extracts to make medicine.

Black haw is used for increasing urine (as a diuretic) to relieve fluid retention; and for treating diarrhea, spasms, and asthma. It is also used as a tonic.

Women use black haw for treating menstrual cramps and spasms of the uterus after childbirth; and for preventing miscarriage.

How does it work?

Black haw contains a chemical that might relax the uterus.

BLACK HAW Uses & Effectiveness What is this?

Insufficient Evidence for:

  • Diarrhea.
  • Asthma.
  • Menstrual cramps.
  • Spasms of the uterus (womb) following childbirth.
  • Increasing urine production.
  • Preventing miscarriage.
  • Other conditions.
More evidence is needed to rate the effectiveness of black haw for these uses.


BLACK HAW Side Effects & Safety

Black haw seems to be safe for most people in usual medicinal amounts. So far, no side effects have been reported.

Special Precautions & Warnings:

Pregnancy and breast-feeding: It might be UNSAFE to use black haw if you are pregnant. It might affect the uterus.

It’s also best to avoid using black haw if you are breast-feeding. Not enough is known about its safety.

Aspirinallergy: Black haw contains chemicals called salicylates. There is some concern that these salicylates could trigger an allergic reaction in people with asthma or aspirin allergies.

Kidney stones: Because black haw contains oxalic acid, it might increase stone formation in people with a history of kidney stones.

BLACK HAW Interactions What is this?

We currently have no information for BLACK HAW Interactions

BLACK HAW Dosing

The appropriate dose of black haw for use as treatment 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 black haw. 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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