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Treating acne during pregnancy and lactation.

Acne during pregnancy and lactation is common and poses a considerable treatment challenge for dermatologists. It is a disease that often is trivialized, viewed by the ill informed as cosmetic in nature. Combined with fetal and neonatal health concerns plus a healthy dose of medicolegal overlay, treatment of acne in this patient population may be complicated. Pregnant and lactating women have been summarily orphaned from advances in drug therapy. Due to, in no small part, the pervasive litigious atmosphere surrounding birth defects in pregnancy, many health care providers have defaulted to avoiding all medications in this patient population to be “on the safe side,” and many have convinced pregnant women that taking medication to relieve pain and discomfort while pregnant is selfish and vain, especially where acne is concerned. However, erring on the safe side is not always safe. Drug avoidance can lead to increased physical and psychiatric morbidity. Numerous studies have shown that acne is not trivial or inconsequential and may even be associated with suicidal ideations.1,2 In one study, female gender and acne were both jointly and independently associated with the risk for major depression and suicide.3 The traditional notion that pregnancy is a time of joy and emotional well-being is not supported by data. There is a marked increase of mood instability during pregnancy. According to the American Psychological Association, the incidence of true clinical postpartum depression in the United States is 1 in 7 pregnancies but is likely much higher, as it often remains undiagnosed.4 These women may consider suicide and may even harm their children. Therefore, “first, do no harm” might indeed involve aggressive therapy in this patient population; at the very least, it warrants a thorough consideration of the risks and benefits rather than a knee-jerk “wait until you stop breastfeeding” default. Without adequate knowledge of true drug risks and with the stakes so high, we find ourselves in medicolegal quicksand. As clinicians, we understand the concept of weighing risks and benefits, but the balance of the scale cannot be determined when no evidence exists regarding the relative weight of the risk side. Most drug risks in pregnancy are noted after market approval and are obtained from published case reports and retrospective birth defect registries. Reported problems likely represent a small fraction of actual cases. The absence of direct information regarding drug use during pregnancy is exacerbated by the knowledge that there are large gender differences in drug pharmacokinetics. This dichotomy would be expected to be especially pronounced between men and pregnant women in whom drug absorption, distribution, and elimination are all notably altered. A poorly publicized aberration in the drug approval process is that gender information is not required from generic medication bioequivalence studies. Although studies for drugs indicated for both sexes need to include male and female participants, resulting data showing gender differences are not required to be disclosed, which means that it is theoretically possible for a generic drug to be approved based on results in men only. The pregnancy categories for drugs (A, B, C, D, and X), which were initially defined in 1979, have been our only aid in risk assessment but have little clinical relevance beyond defining the level of medicolegal risk. Furthermore, these drug categories are poised to disappear before the publication of this editorial, as new guidelines for labeling human prescription drugs are mandated to begin on June 30, 2015.5 Although guaranteed to be confusing at first, it seems the new labeling guidelines will be much more helpful for clinicians. One of the most important changes is the inclusion of the following statement in pregnancy and lactation subsections on drug labels: “All pregnancies have a background risk of birth defect, loss, or other adverse outcome regardless of drug exposure. The fetal risk summary below describes (name of drug)’s potential to increase the risk of developmental abnormalities above the background risk.”5 In the absence of concerning human data, efforts will be made to put positive animal data into perspective. In the absence of systemic exposure the label will From the Acne Treatment and Research Center, Morristown, New Jersey, and the Department of Clinical Dermatology, State University of New York Downstate Medical Center, Brooklyn. The author reports no conflict of interest. Correspondence: Hilary E. Baldwin, MD, 435 South St, Morristown, NJ 07960 (hbaldwin@acnetrc.com).