July 30, 2016

Black Haw

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What other names is Black Haw known by?

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.

What is Black Haw?

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.

Insufficient Evidence to Rate Effectiveness 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.

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).


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