Witnessed by: Western
Kava (Piper methysticum), of the Piperaceae family. Sprawling perennial shrub with heart-shaped leaves and thick knotted rootstock; native range: cultivated across the Pacific islands, of Melanesian origin. Globally recognized as kava-kava, awa, intoxicating pepper in English. The part used is rhizome and root (peeled). Root starchy and pungent, numbing the tongue and lips with a lasting tingle.
In this cross-tradition database, we analyze how this substance operates across world medicine systems — tracking its traditional tastes, temperatures, tissue affinities, post-digestive effects, and planetary correspondences across Ayurveda, Unani, and Western herbalism.
KAVA
IDENTITY
Name
- Common
- kava
- Scientific name
- Piper methysticum G.Forst.
- Family
- Piperaceae
Form
- Part used
- rhizome and root (peeled)
PROPERTIES
Nature
Taste
how the plant declares itself on the tongue
- Western
- pungent · acrid
Temperature
- Western
- warm
Affinity
where in the body it travels
Organs / channels
- Western
- nervous system · bladder · kidneys · circulation
PRACTICE
Virtue
Actions
- Western
- anxiolytic, sedative, antispasmodic, mild analgesic, local anaesthetic, diuretic, urinary antiseptic
Cautions
Contraindications: pre-existing liver disease, pregnancy and lactation, endogenous depression, before driving or operating machinery
Toxicity: reports of idiosyncratic hepatotoxicity; heavy chronic use causes a scaly kava dermopathy
Interactions
- Western
- sedatives / CNS depressants: additive central sedation and psychomotor impairment · hepatotoxic drugs: additive risk of liver injury · antiepileptics: potentiation of dopamine antagonism and altered seizure threshold
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