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Herb Reference » Cramp Bark

Cramp Bark

Viburnum opulus

Cramp Bark shows by its name the richly deserved reputation it has as a relaxer of muscular tension and spasm.

Constituents Hydroquinones; arbutin, methylarbutin and traces of free hydroquinone
Coumarins, such as scopoletin and scopoline
Tannins: mainly catechins
Actions anti-spasmodic, anti-inflammatory, nervine, hypotensive, astringent, emmenagogue
Indications

Cramp Bark shows by its name the richly deserved reputation it has as a relaxer of muscular tension and spasm. It has two main areas of use. Firstly in muscular cramps and secondly in ovarian and uterine muscle problems. Cramp bark will relax the uterus and so relieve painful cramps associated with periods (dysmenorrhoea). In a similar way it may be used to protect from threatened miscarriage. Its astringent action gives it a role in the treatment of excessive blood loss in periods and especially bleeding associated with the menopause.

Priest & Priest tell us that it is a relaxing and stimulating nervine, cerebrospinal vaso-stimulant. Restores sympathetic/parasympathetic balance - has a specific action to relieve voluntary and involuntary muscular spasms. They give the following specific indications: colicky pains and spasms of tubular organs: gastro-intestinal and genito-urinary use with with Dioscorea villosa. Atonic conditions of pelvic organs where menses is scanty or delayed.

Ellingwood considered it specific for relieving irregular spasmodic pains of the womb & ovaries. It is antispasmodic in its action upon the entire pelvic viscera, influencing spasmodic contractions of the muscular structure of the bladder.

King's Dispensatory describes it as a powerful antispasmodic, recommending it use in cramps, spasms, asthma, hysteria, cramps of the limbs, convulsions during pregnancy, threatened miscarriage, hysteria, dysmenorrhoea, spasmodic contraction of the bladder, spasmodic stricture. The authors give V. opulus the following specific indications: cramps; uterine pain, with spasmodic action; pain in thighs and back; bearing down, expulsive pains; neuralgic or spasmodic dysmenorrhoea. As an anti-abortive.

Preparation & dosage
Decoction
Put 2 teaspoonfuls of the dried bark into a cup of water and bring to the boil. Simmer gently for l0-l5 minutes. This should be drunk hot three times a day.
Tincture
Take 4-8 ml of the tincture three times a day.
© David L. Hoffmann B.Sc. (Hons), M.N.I.M.H.