What is the difference between B and D drugs? An Overview of Conflicting Terminologies
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4 min read
Before 2015, the U.S. Food and Drug Administration (FDA) classified drugs for pregnancy safety using a letter system, where Category B and Category D signified vastly different levels of potential fetal risk. However, the modern query 'What is the difference between B and D drugs?' most commonly refers to distinct types of prescription coverage under Medicare Part B and Part D.
