Interaction checker → St. John's Wort + Hormonal contraception
Serious — worth a conversationCan you take St. John's Wort with hormonal contraception?
Contraceptive failure risk
What happens
CYP3A4 induction lowers hormone levels. Breakthrough bleeding and unplanned pregnancy are documented outcomes.
Drugs in this class include Combined pill, Patch, Ring, Hormonal IUD.
What to do about it
Breakthrough bleeding and unplanned pregnancy are documented outcomes. Worth a conversation with your prescriber, and a backup method in the meantime.
This is general information compiled from published pharmacology, not
advice about your situation. Your dose, your other medication and your bloodwork all matter,
and a pharmacist can see those in a way this page cannot.
Check your whole stack at once
Stackwise checks every pair in what you take, against your medication list, and moves things in your schedule when two of them need spacing apart.
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