Kava kava (Piper methysticum)
Piper methysticum
Western Herbalism
Western Herbalism

Kava kava

Piper methysticum

Also known as Intoxicating Pepper, Kawa, Kawa-kawa, Waghi, Wati, Koniak, Keu, Yakona.

WarmingTaste: Pungent

Piper methysticum, “the intoxicating long pepper”, is not an old medicine, though under the name of kava-kava and closely similar appellations it has been used in the preparation of a disgusting ceremonial drink among certain South Sea Islanders from early times.

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AnxiolyticHypnoticSedativeAnalgesicAntispasmodicAnestheticAntifungalCnsLocal anaestheticCytochrome iinhibitionsedative/hypnoticmuscle relaxantanticonvulsantspasmolyticanti -depressant

Indications what the tradition reached for it in

Safety

Pregnancy: Limited safety data in pregnancy

Breastfeeding: Not for use while breastfeeding

The record lists 8 contraindications; open the plate in the library to read them in full.

Dosing as the sources wrote it

PreparationAs writtenMetric
Tincture (1:2-1:3)1-4 ml TID1-4 mL
Standardized extract60-240 mg kava lactones/d60-240 mg
Powdered root1.5-6 gm/d1500-6000 mg
Dried root6-12 g/d as cold maceration or decoction6000-12000 mg
For sleep, take 2-4 ml 30-60 min before bed2-4 mL
Dried rhizome 1.5-3 g per day1500-3000 mg

Doses are reproduced from the sources for practitioners and are not a recommendation for any person.

From the sources

Therapy. Piper methysticum, “the intoxicating long pepper”, is not an old medicine, though under the name of kava-kava and closely similar appellations it has been used in the preparation of a disgusting ceremonial drink among certain South Sea Islanders from early times.

Therapy. The agent was first introduced for the treatment of all forms of gonorrhea, but it will probably give better satisfaction, will show its prompt influence to a better advantage in the treatment of sub-acute forms or in the slow, persistent, and otherwise intractable forms, than in the acute variety.

Description, Medical Uses, and Dosage. (See Piper methysticum). Fluid extract of Piper methysticum is of a reddish-brown color, and imparts the taste of the root. It is odorless, and, as thus prepared, represents very nearly the quality of drug employed, troy ounce to each fluid ounce of the finished extract. This is our formula, introduced in the Supplement in 1881. The National Formulary practically directs the above menstruum and process.

Action. Piper Methysticum stimulates the salivary but not the cutaneous glands, and strongly excites the kidneys to watery diuresis, proportionately less solid material being voided in the urine. Upon the stomach it acts much like the stimulant bitters, increasing the appetite, and produces neither diarrhea nor dysentery.

Drawn from King's American Dispensatory, 18th edition (Felter and Lloyd); Ellingwood's American Materia Medica, Therapeutics and Pharmacognosy; Felter's Eclectic Materia Medica, Pharmacology and Therapeutics, and the Bountiful Herbs editorial.

In formulas

Kava kava stands in 59 documented formulas in the library, among them tông yõu táng, hòu chẽ wán, shù záo yin zi, jié nuè gì bǎo yin, dá yuán yin, jia jiǎn dá yuán yin.

Often paired with

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