Pseudoephedrine is an over-the-counter (OTC) medication used for
symptomatic relief from sinus congestion and pressure and nasal congestion arising from upper airway allergies, hay fever, or the common cold sinus congestion. You should consult a doctor before taking pseudoephedrine in pregnancy. It is sold under the brand name Sudafed and is available in pharmacies without a prescription, and may also be included as one of the ingredients of OTC nasal decongestants. Read on as we tell you whether or not pseudoephedrine is safe during
pregnancy, its possible risks, and side effects (1) (2). Pseudoephedrine is classified as a pregnancy category B drug by the US Food and Drug Administration (USFDA). It means animal studies showed no risk to the fetus but there are no well-controlled studies on pregnancy women. Your doctor might prefer to prescribe other safer choices such as chlorpheniramine and tripelennamine (3). So, always consult your doctor before taking pseudoephedrine during pregnancy. In addition to the probable risk of gastroschisis (when used during the first trimester), the use of pseudoephedrine is associated with other risks such as a raise in blood pressure due to its vasoconstricting property. Hence women
with high blood pressure should not take this medication unless the doctor prescribes it (5). Do not take pseudoephedrine within two weeks of taking monoamine oxidase inhibitor (MAO Inhibitor) antidepressants such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, etc., to avoid a possible drug interactions
(6). The recommended doses of 30-60 mg of pseudoephedrine every 4-6 hours in the second and
third trimesters could be used for pregnant women who do not have hypertension (7). However, your dosage might be different from the recommended dosage. Therefore, you should follow the dosage prescribed by your doctor. What Are The Side Effects Of Pseudoephedrine During Pregnancy?Decongestants might have the following side effects (8):
1. Does pseudoephedrine cross the placenta? It is not well documented whether pseudoephedrine crosses the placenta, but one study reported an alteration in fetal heart rate after its maternal use in pregnancy (9). 2. What kind of cold medicine is safe during pregnancy? Certain OTC decongestants, such as chlorpheniramine and diphenhydramine (Benadryl) are safe to take when pregnant. Nonetheless, these medications also have a few side effects. It is, therefore, advisable to consult a doctor before taking any cold medications during pregnancy (10). 3. Is pseudoephedrine a teratogen? According to a study published in the American Journal of Obstetrics and Gynecology (AJOG), no teratogenic effect was reported due to the use of oral decongestants during pregnancy (11). However, more large group studies are required to confirm this theory. The safety of pseudoephedrine in pregnancy for nasal congestion is debatable. Although animal studies classify it as a category B drug, other studies indicate certain side effects in humans. Given the drug does not require any prescription, you may be tempted to opt for it to find relief from nasal congestion during pregnancy. However, since there is a possibility of side effects such as increased blood pressure and even hampering the fetus, it is advisable to consult your Ob/GYN. Ensure not to exceed the recommended dosage and ask your doctor about any safer alternatives to ease your discomfort and manage the condition. This post is for informational purposes only and is not a replacement for a doctor’s consultation. Do not use any medication without talking to your doctor. References:MomJunction's articles are written after analyzing the research works of expert authors and institutions. Our references consist of resources established by authorities in their respective fields. You can learn more about the authenticity of the information we present in our editorial policy. Was this article helpful? The following two tabs change content below.
Shreeja holds a postgraduate degree in Chemistry and diploma in Drug Regulatory Affairs from the University of Mumbai. Before joining MomJunction, she worked as a research analyst with a leading multinational pharmaceutical company. Her interest in the field of medical research has developed her passion for writing research-based articles. As a writer, she aims at providing informative articles on health... more Dr. Anita Gondy is an Ob/Gyn at The Ob-Gyn Center in Las Vegas. In practice since 1998, Dr. Gondy began her medical training at Rangaraya Medical College in Kakinada, India and completed studies at the University of Nevada School of Medicine, where she also did an obstetrics and gynecology residency. She is also a Fellow member of The American College... more How much Sudafed can I take while pregnant?Sudafed (Pseudoephedrine) 30-60 mg every 4-6 hours can be used in the second and third trimesters in women without gestational hypertension. Avoid use in the first trimester and with breastfeeding.
What are the side effects of taking Sudafed while pregnant?A woman who uses decongestant medications like pseudoephedrine while in the first trimester of pregnancy could potentially raise the risk of her unborn child experiencing birth defects, according to this study.. Restlessness.. Headache.. Nausea.. Vomiting.. Weakness.. Are there any decongestants safe during pregnancy?Oral decongestants
Some studies show a higher risk of birth defects with oral pseudoephedrine (Sudafed) and phenylephrine (Sudafed PE) during pregnancy. But a study of over 4,000 pregnant women taking oral decongestants, found no greater risk.
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