Ligusticum porteri Common name: Osha
Parts used: Radix
Constituents: Volatile oil, lactone glycoside, alkaloids, phytosterols, saponins, ferulic acid
Medicinal actions: Anti-viral, anti-bacterial, diaphoretic, emmenagogue
Medicinal use: An effective anti-viral and diaphoretic plant. Ligusticum is indicated in the beginning stages of a cold or flu or in someone who has a had a nagging cough that has persisted for weeks.
Pharmacy: Decoction: 1-2 tsp/cup water; 1 cup TID. Tincture (1:7), 2-4 ml TID.
Toxicity: None known.
Contraindications: Pregnancy & lactation.
Interactions: None known.
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