A review of antibiotic safety in pregnancy—2025 update

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Abstract

Antibiotics constitute the majority of prescriptions for women during pregnancy. Common bacterial infections, including urinary tract infections, skin and soft tissue infections, and upper and lower respiratory tract infections, are expected in pregnancy, similar to the general public. These infections carry additional risks to both the woman and fetus; thus, antibiotics are often prescribed. Antibiotics, like other drugs, are not benign and may carry additional risks to the fetus beyond commonly encountered adverse drug events seen across most patient populations. Since 2014, 19 new antibiotics have been approved by the United States Food and Drug Administration. Additionally, in 2018, the previously held pregnancy category rating expired, and all manufacturers' labeling was updated with new narrative language reflecting safety in pregnancy, lactation, and males and females of reproductive potential. This review provides a comprehensive summary of available data and an update to the 2015 publication regarding the safe use of antibiotics in pregnancy. The primary focus of this review is on newly approved antibiotics, along with any additional published evidence on previously reviewed antibiotics. Data on lactation or antiviral or antifungal use in pregnancy are not included. Clinicians should remain updated on current available evidence and vigilant to provide safe and effective antibiotic decision-making in pregnant women.

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