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St. John’s Wort

Also indexed as: Hypericum, Klamath Weed

Drug Interactions

Certain medicines interact with St. John’s wort:

  • Beneficial Some interactions may increase the need for St. John’s wort.
  • Avoid Other interactions may be negative and indicate St. John’s wort should not be taken without first speaking with your physician or chemist.
  • Check Others may require further explanation.

Refer to the individual drug article for specific details about an interaction.

2007-09-01