What is the number one prescription drug in the world? A complex answer
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4 min read
Based on 2024 sales data, Merck's Keytruda (pembrolizumab) generated nearly $29.5 billion globally, positioning it as the top-selling medication by revenue. However, this is not what is the number one prescription drug in the world when measured by the number of prescriptions filled, highlighting the complexities of defining a single market leader. The leading medication changes depending on the metric used, from generic statins to cutting-edge biologics.
