herbals kava

RECND292

Kava

Scientific:Piper methysticum
Other:Kava kava

Indications

CNS
• over-excited states and mood disorders:
- anxiety
- insomnia
- depression
- epilepsy
- obsessive-compulsive disorder (OCD)
• neuralgia
- Bell's palsy
- sciatica
- neuropathies
migraines

Urinary
• pain assocaited with the GU tract
- urinary tract infection (UTI)
- irritable bladder
- interstitial cystitis

Actions

nervine
sedative
anxiolytic
antispasmodic
• muscle relaxant
anodyne
analgesic (urinary)
antitussive
• anticonvulsant
sialogogue
diaphoretic

Constituents

• Kavalactones

Posology

• Liquid extract (1:2): 3-6 ml qd
• Standardized extract: 60-120 mg kavalactones qd

Safety

Caution: May induce hepatotoxicity in those with pre-existing liver disease or as a result of certain preparation techniques.

High doses: Kava dermopathy (dry scaling skin).

Pregnancy and lactation: Use with caution.

Interactions

• Sedatives - may potentiate other related drugs

References

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Barnes J, Anderson LA, Phillipson JD. Herbal Medicines, 3rd ed. London: Pharmaceutical Press, 2007.

Bone K. Principles and Practice of Phytotherapy. Edinburgh: Churchill Livingstone, 2000.

Bone K. A Clinical Guide to Blending Liquid Herbs: Herbal Formulations for the Individual Patient. St Louis, MO: Churchill Livingstone, 2003.

Brinker F. The Toxicology of Botanical Medicines, 3rd ed. Sandy, Oregon: Eclectic Medical Publications, 2000.

Hoffman D. Medical Herbalism. Rochester, Vermont: Healing Arts Press, 2003.

Weiss RF. Herbal Medicine. Beaconsfield, England: Beaconsfield Publishers Ltd, 1988.

Williamson EM, ed. Major Herbs of Ayurveda. Edinburgh: Churchill Livingstone, 2002

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