St. John's Wort (Hypericum perforatum)

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Charles Patrick Davis, MD, PhD
    Charles Patrick Davis, MD, PhD

    Charles Patrick Davis, MD, PhD

    Dr. Charles "Pat" Davis, MD, PhD, is a board certified Emergency Medicine doctor who currently practices as a consultant and staff member for hospitals. He has a PhD in Microbiology (UT at Austin), and the MD (Univ. Texas Medical Branch, Galveston). He is a Clinical Professor (retired) in the Division of Emergency Medicine, UT Health Science Center at San Antonio, and has been the Chief of Emergency Medicine at UT Medical Branch and at UTHSCSA with over 250 publications.

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Additionally, St. John's wort may interact with other prescription medications. All patients should speak to their doctor or pharmacist before taking St. John's wort.

PREGNANCY: Due to the lack of safety data, St. John's wort is not recommended during pregnancy.

NURSING MOTHERS: Due to the lack of safety data, St. John's wort is not recommended during breastfeeding. It is not known if St. John's wort is excreted into breast milk.

REFERENCE: "Herbal Medicine: Biomolecular and Clinical Aspects. 2nd edition." Benzie IFF, Wachtel-Galor S, editors. Boca Raton (FL): CRC Press; 2011.

Medically Reviewed by a Doctor on 10/24/2014

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