St.John's wort has been shown to cause photosensitivity.

Name: St.John's wort has been shown to cause photosensitivity.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

St. John's wort has been documented to cause photosensitivity, which is an exaggerated response of the skin to sunlight, resulting in a rash or a sunburn-like reaction. It is recommended to avoid excessive exposure to sunlight or use of tanning beds while taking St. John's wort or any other photosensitizing agent, and to wear protective clothing and sunscreen.

St.John's Wort Has Been Shown to Cause Photosensitivity