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Tian Nan Xing (天南星), the prepared rhizome of Arisaema, dries dampness and transforms stubborn phlegm and, in particular, dispels wind-phlegm to stop spasm, tremor and convulsion; applied topically it reduces swelling.
Latin / Pharmaceutical Name
Arisaema spp., prepared (Rhizoma Arisaematis Praeparatum)
Common English Name
Arisaema rhizome
Taste
Bitter, acrid
Temperature
Warm
Channels Entered
Lung, Liver, Spleen
Actions & Functions
- Dries dampness and transforms stubborn phlegm
- Dispels wind-phlegm and stops spasm and convulsion
- (External) reduces swelling and resolves toxicity
Indications
Stubborn phlegm cough; wind-phlegm with dizziness, numbness, facial paralysis, seizures and tetany; and (topically) swellings and sores.
Dosage
3-9 g in decoction (prepared only).
Common Combinations
With Ban Xia for stubborn phlegm; with Tian Ma for wind-phlegm dizziness.
Cautions & Contraindications
Raw form is toxic - use only prepared. Contraindicated in pregnancy and in dry/deficiency phlegm.
