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Is it safe to take quinidine during pregnancy?

Unknown. Quinidine is known to cross the placenta, but it is not clear if the drug will harm the developing fetus. Some studies have shown that quinidine is safe during pregnancy, but there is not enough information to be sure. The United States Food and Drug Administration rates it a “C” in its pregnancy classification system; this indicates that risks to the fetus cannot be ruled out. A good choice is to talk with your doctor about the benefits you get from taking quinidine, compared to the possible risks of exposing the fetus to quinidine. If the benefits outweigh the risk or if there are no other medicines that you could take then continue taking quinidine. Otherwise, your doctor may be able to prescribe a different drug for you. If you do decide to continue taking quinidine, be aware that taking too much puts you at risk of going into labor prematurely.

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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.