St. John's wort can interfere with oral contraceptives

July 2003

There's now more evidence that St. John's wort can interfere with oral contraceptives...and lead to unintended pregnancies.

St. John's wort increases the metabolism of ethinyl estradiol...and seems to reduce the effectiveness of OCs.

Some women have breakthrough bleeding when taking St. John's wort and OCs together.

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Table of Contents

NOT to use antibiotics for ear infections in children
Cholesterol Ezetrol (ezetimibe), the first "cholesterol absorption inhibitor" for hyperlipidemia
Cardiology more cardiac patients getting fish oil SUPPLEMENTS
increasing concerns about heart failure in patients who get Enbrel or Remicade
Diabetes experts now suggest a statin for ALL diabetes patients
Natural Medicines you won't see Seasilver or Coral Calcium anymore
the new asthma drug called Xolair (ZO-lair)
the new anti-epileptic Keppra
NOT using Paxil to treat depression in children or teenagers
Women's Health Premplus INCREASES the risk of dementia in older women
Women's Health St. John's wort can interfere with oral contraceptives
Varilrix, the newest varicella vaccine
Valtrex is the first antiviral approved for ONE-DAY dosing in patients with cold sores
Gastroenterology Zelnorm used for other GI motility problems
Alzheimer's Disease memantine, an investigational drug for Alzheimer's
Dermatology how to treat sunburn
counterfeit drugs