Nux Vomica is the dried ripe seed of Strychnos nux-vomica L. or Strychnos pierriana A. W. Hill (Fam. Loganiaceae).

Action: To promote the flow of qi and blood in the collaterals, relieve pain, and promote the subsidence of awelling.

Indications: Protracted arthritis, rheumatoid arthralgia; numbness and paralysis; sequala of poliomyelitis; traumatic injury; boils and sores.

Precaution: Not to be used unprocessed, in overdosage or in long term administration; contraindicated in pregnancy.