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Browse Top 100 HerbsBlack haw is a small tree or shrub with oval leaves, pale flowers, and dark blue-black berries.
Black haw is native to southern North America and has a long history of medicinal use among Native Americans. Traditional uses include the treatment of symptoms and disorders associated with menstruation, pregnancy, and childbirth.
There is currently not enough human data available to support any use of black haw.
These uses have been tested in humans or animals. Safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider.
Many complementary techniques are practiced by healthcare professionals with formal training, in accordance with the standards of national organizations. However, this is not universally the case, and adverse effects are possible. Due to limited research, in some cases only limited safety information is available.
Allergies
Avoid in people with known allergy or hypersensitivity to black haw, its constituents, or to members of the Caprifoliaceae family.
Avoid in people with allergy or hypersensitivity to salicin, which is related to aspirin.
Side Effects and Warnings
Because of black haw's potential similarity to salicin and aspirin, Reye's syndrome may be a risk for children taking black haw. Black haw may also increase the risk of bleeding; use cautiously in patients taking blood thinners.
In theory, black haw may affect the uterus.
Pregnancy and Breastfeeding
There is not enough data to support the use of black haw during pregnancy or breastfeeding.
Adults (18 years and older)
There is no proven safe or effective dose for black haw.
Children (under 18 years old)
There is no proven safe or effective dose for black haw.