Yes, there is a moderate drug interaction between Ortho-cept and St. John's Wort. Avoid taking them together.
The effectiveness of oral contraceptives may be reduced if taken with St. John's Wort.
Please see link below for interaction in detail.
- St. John's Wort Information for Consumers
- St. John's Wort Information for Healthcare Professionals (includes dosage details)
- Side Effects of St. John's Wort (detailed)
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