- What other names is Black Haw known by?
- What is Black Haw?
- How does Black Haw work?
- Are there safety concerns?
- Dosing considerations for Black Haw.
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...
- Menstrual cramps.
- Spasms of the uterus (womb) following childbirth.
- Increasing urine production.
- Preventing miscarriage.
- Other conditions.
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Special Precautions & Warnings:Pregnancy and breast-feeding: It is POSSIBLY 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.
Aspirin allergy: 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.
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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Last Editorial Review: 3/29/2011