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Who should not take Heather?

You shouldn't take the birth control pill Heather (norethindrone) if you're allergic to it or any of its ingredients. Also avoid Heather if you think you may be pregnant, you have breast cancer, benign or cancerous liver tumors, acute liver disease or if you bleed between your periods for an unknown reason. You shouldn't take Heather if you also use any of the following medications:
  • drugs that prevent seizures, including carbamazepine, phenytoin (Dilantin), felbamate (Felbatol), oxcarbazepine (Trileptal), topiramate (Topamax, Trokendi XR), phenobarbital (Solfoton) and barbiturates
  • the antifungal drug griseofulvin (Grifulvin V, Gris-PEG)
  • the herb St. John's wort (hypericum perforatum)
  • some anti-HIV protease inhibitors
  • certain antibiotics. If you need to take an antibiotic while taking Heather, use a backup form of birth control until you talk to your doctor about whether the antibiotic interferes with Heather.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.