Yes. St John's Wort (hypericum) is a popular herbal remedy for depression. It may reduce the effectiveness of 'the pill' and possibly increases the risk of pregnancy. It also interferes with warfarin (used to thin the blood) and drugs used for epilepsy, depression and HIV.
Some other herbal medicines are also known to interact with conventional medicines. Always tell your doctor if you are taking any non-prescription treatments.
Please note this information was correct at time of printing.
For up to date information, speak to your doctor.Source: Summer 2000 Edition | Page 3
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