St John's Wort comment watch save

  • SCIENTIFIC NAMES: Hypericum perforatum; Kira (Lichtwer); Quanterra Emotional Balance (Warner Lambert)
  • INDICATIONS: Depression, dysthymic disorder, fatigue, insomnia, loss of appetite, anxiety, obsessive-compulsive disorders, mood disturbances, migraine headaches, neuralgia, fibrositis, sciatica, palpitations, exhaustion, headache, muscle pain, vitiligo, diuretic, bruises, abrasions, first-degree burns, hemorrhoids
  • SYNONYM: Hypericaceae
  • CLASS: Anxyolytic, CYP3A4 inducer
  • HALF-LIFE: 24–48 hours

St John's wort is a natural source of flavoring in Europe. Although not indigenous to Australia, and long considered a weed, St John's wort is now grown there as a cash crop and produces 20% of the world's supply.

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Page last updated 07/31/2023

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Incidence

<1% 1‑5% 5‑10% 10‑15% 15‑20% 20‑30% >30%

Seriousness

Hospitalization possible
Life threatening
Fatal

Warnings in other populations

BreastfeedingBreast feeding

GeriatricGeriatric

PediatricPediatric