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Review of pharmacology of medications during pregnancy
Christy L Pratt1, Nicole M Hahn2
1Pharmacy Department, Kaiser Permanente Colorado, 16601 East Centretech Parkway, Aurora, CO 80011, USA; Primary Care and Obstetrics and Gynecology Departments, Kaiser Permanente Colorado, 280 Exempla Circle, Lafayette, Colorado 80026, CO, USA.
Abstract:
Ninety percent of pregnant patients take at least one medication during pregnancy. Physiological changes during pregnancy can alter drug exposure. Understanding basic physiological principles including absorption, distribution, metabolism and excretion can guide medication management during pregnancy. While physiologic changes related to medications used to treat hypothyroidism, depression and epilepsy are highlighted in this article, the principles of pharmacokinetic changes during pregnancy can be applied to other medical conditions where less data may exist. Given the complexity of pharmacology, physiological changes of pregnancy, and nuances of managing medical conditions, a team approach to managing medications in pregnancy is recommended. Comprehensive care including general and specialized physicians, pharmacists, genetic counselors and more can help provide the most appropriate care to this multifaceted patient population.
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