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Common Name
Buckthorn, Alder Buckthorn
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Botanical Name
Rhamnus frangula
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Part Used
Bark
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Clinical Summary
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Monograph
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Alcohol
25%
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Dose
40 to 100mL weekly
Particularly useful in chronic constipation and as a digestive stimulant.
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Traditional Use
Buckthorn has been used in traditional European medicine as a laxative and cathartic, and also as a general tonic.
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Actions
Laxative, digestive stimulant, cathartic
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Indications
Constipation (short to medium term use)
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Energetics
Cold, bitter
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Use in Pregnancy
Contraindicated due to its action on the bowel and potential to trigger uterine contractions.
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Contraindications & Cautions
Long term use or large doses should be avoided. Laxatives in large doses may trigger griping pain and diarrhoea, leading to fluid loss. It should be avoided in cases of intestinal obstruction, dehydration or inflammatory bowel disease. The bark contains active constituents that, when metabolised, can turn the urine red or orange which is considered transitory and harmless.
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Drug Interactions
Caution advised with corticosteroids (anti-inflammatory medicine), digoxin (cardiac glycoside), diuretics, warfarin (anticoagulant) and stimulant laxatives.
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Dietary Information
Vegan friendly. Gluten and dairy free.
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Substitutes
Cascara Sagrada, Rhubarb, Senna, Aloes, Butternut