Talking to patients about St. John's wort.

Cleve Clin J Med · 2003

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Abstract

St. John's wort, an unregulated herbal supplement widely used as a self-treatment for depression, can cause side effects and drug interactions. Physicians should ask their patients about use of over-the-counter products such as St. John's wort and discuss their use in a frank but nonjudgmental manner.