P. Claire Dodson
January 07, 2017 11:06 am
George Rudy/Shutterstock

If you’re pregnant or thinking about becoming pregnant, maybe think twice about reaching for a morning sickness pill. Not necessarily because it’s unsafe, but because it may not even really work. Because let’s be real — nothing can really get rid of morning sickness.

Dr. Navindra Persaud, a doctor in the family and community medicine department in Toronto’s St. Michael’s Hospital, recently published a paper in the journal PLOS ONE that calls into question the validity of an unpublished study the FDA has used as supporting evidence for the efficacy of a morning sickness pill called Diclegis in the United States.

If that drug sounds familiar, it’s probably because of Kim Kardashian. Kardashian was paid by Duchesnay to promote Diclegis on Instagram, which she did — without adequately mentioning risks or limitations. The FDA got involved and Kardashian posted a revised caption.

“We are trying to provide patients and doctors with access to complete and accurate information so that they can make informed decisions,” Persaud told NPR’s Shots in an email. “This information may lead regulators like the FDA and Health Canada to revisit previous decisions.”

The drug is a combination of an over-the-counter antihistamine and vitamin B6, and the study in question was never put through an extensive peer review process because it was never published, though that didn’t stop the FDA from including its findings as supporting evidence.

Richard Harris of NPR writes that the reviewers at the FDA didn’t even find the drug that effective.

But the FDA is in the process of reviewing Persaud’s PLOS ONE paper.

The American Congress of Obstetricians and Gynecologists does recommend that before taking medicine for morning sickness, those that are pregnant first try more traditional methods of getting over nausea, like drinking water and eating dry toast and crackers.

Even though Diclegis might not do any real harm, it also might not do much good. And it brings up a necessary conversation about how the FDA approves drugs that become part of our everyday life, and how we can protect ourselves going forward. But if your morning sickness is getting in the way of your life, the first thing to do is talk to your doctor.

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