Cramp bark (Viburnum opulus)

safety

Allergies

Avoid in individuals with a known allergy or hypersensitivity to cramp bark or its constituents.

Side Effects and Warnings

There is no safety information currently available for cramp bark. Use cautiously in patients taking immunomodulators. Use cautiously in patients taking blood pressure altering agents.

Pregnancy and Breastfeeding

Cramp bark is not recommended in pregnant or breastfeeding women due to a lack of available scientific evidence.

dosing

Adults (18 years and older):

There is no proven safe or effective dose for cramp bark in adults.

Children (younger than 18 years):

There is no proven safe or effective dose for cramp bark in children.

interactions

Interactions with Drugs

Cramp bark may have disinfectant activity. Caution is advised in patients taking antibiotics.
Cramp bark may have antioxidant activity. Caution is advised in patients taking antioxidant drugs.
Cramp bark may prevent gastroduodenal mucosal damage. Caution is advised in patients with ulcers or taking antiulcer medications.
Cramp bark may have antispasmodic effects on smooth muscle. Caution is advised in patients taking antispasmodic agents.
Cramp bark extract may have astringent activity. Caution is advised in patients taking astringent agents.
Cramp bark may lower blood pressure. Caution is advised in patients with hypertension or hypotension and in those taking blood pressure altering drugs.
Cramp bark berries may enhance phagocytosis. Caution is advised in patients taking other immunosuppressant agents.

Interactions with Herbs and Dietary Supplements

Cramp bark may have disinfectant activity. Caution should be used in patients using other antibacterial herbs or supplements.
Cramp bark may have antioxidant activity. Caution is advised if taking other herbs or supplements with antioxidant activity.
Cramp bark may have antispasmodic effects on smooth muscle. Caution is advised in patients taking other herbs or supplements with antispasmodic effects.
Cramp bark extract may have astringent activity. Caution is advised if taking other herbs or supplements with astringent effects.
Cramp bark may prevent gastroduodenal mucosal damage. Caution is advised in patients taking other herbs or supplements with antiulcer effects.
Cramp bark lower blood pressure. Caution is advised in patients with hypertension or hypotension and in those taking herbs or supplements with blood pressure altering effects.
Cramp bark berries may enhance phagocytosis. Caution is advised in patients taking other immunosuppressant herbs or supplements.