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Yes, St John's Wort can decrease the effectiveness of birth control up to 50 percent

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Q: Will St johns wort affect birth control?
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St johns wort and birth control pill?

Probably not a good idea. St. Johns Wort can decrease the effectiveness of the pill, if you need that medication, take it, but use a back- up method meanwhile


Will 300 mg of St. John's wort a day affect the effectiveness of Yasmin birth control pill?

There are drug interactions between St. John's Wort and oral contraceptives. Use a back up method of birth control if you plan to take them both together.


What is Saint John's wort good for?

You use saint Johns wort to help balance your mood


St John's Wort birth control?

Absolutely not. Use the normal birth control pills, not a herbal alternative, which won't work.


What is st johns wort in tagalog?

St. John's Wort in Tagalog is called "Gamot-gamotan."


Are there any interactions between St. John's wort and zopiclone?

an you take st johns wort with zopoclone


Is it safe to mix st johns wart with morphine?

is it safe to take st johns wort with morphine


St johns wort. What is it's colour?

St. John's wort is a plant having green leaves and yellow flowers.


How does st johns wort interact with asthma inhalants?

St. John's wort can reduce the effectiveness of theophylline, a medication used for asthma.


Can you mix st johns wort and methotrexate?

Good question one Ive asked myself because ive recently started using SAM-e and st johns wort, I take st johns wort at night to help me sleep along with chiniese herbs, But lately I just havent been myself , Its possible that mixing them isnt a good idea.


What colours are the flowers in the st johns wort?

if you care you are a loser but the anser is extrolas


What illness is st johns wort used for?

Generally it is used to help depression.