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The developing fetus can potentially be affected by any medication given to the mother. The disastrous effects of thalidomide and stilbestrol on the exposed offspring led to the development of the U.S. Food and Drug Administration (FDA) categories that are now assigned before a drug is released.
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Table C-1 lists safe treatments for dermatologic diseases in pregnancy, and the common dermatologic diseases and drugs used for them. Previously, drugs were categorized by the letters A, B, C, D and X to classify safety during pregnancy. A new labeling system was implemented in 2015 to help make more informed decisions.
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