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What are the side effects of taking St. John's wort?

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St. John's wort generally doesn't cause side effects when you take the recommended dose.

Uncommon side effects of St. John's wort include anxiety, dry mouth, sensitivity to sunlight, dizziness, stomach upset, headache, sexual problems, and fatigue.

From: St. John's Wort WebMD Medical Reference

SOURCES: Longe, J., ed. , second edition, 2004. Natural Standard Patient Monograph: "St. John's Wort." National Center for Complementary and Alternative Medicine: "St. John's Wort," "St. John's Wort and Depression." Williams, J. 2000. 2002.




The Gale Encyclopedia of Alternative Medicine The Cochrane Database of Systematic Reviews 1998
Annals of Internal Medicine, Journal of the American Medical Association, Linde, K.

Reviewed by Melinda Ratini on February 12, 2019

SOURCES: Longe, J., ed. , second edition, 2004. Natural Standard Patient Monograph: "St. John's Wort." National Center for Complementary and Alternative Medicine: "St. John's Wort," "St. John's Wort and Depression." Williams, J. 2000. 2002.




The Gale Encyclopedia of Alternative Medicine The Cochrane Database of Systematic Reviews 1998
Annals of Internal Medicine, Journal of the American Medical Association, Linde, K.

Reviewed by Melinda Ratini on February 12, 2019

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What are the risks of taking St. John's wort?

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