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10 Most Profitable Drugs

Lipitor (Pfizer)
Associated Press/Mel Evans

Consistently ranking No. 1, Lipitor holds the title by a wide margin. Its annual sales of $12.9 billion were more than twice those of the next drug on the list. Lipitor treats high cholesterol, which is a major risk factor for heart disease.

To learn more, see How Lipitor Works or check out the 10 Weirdest Prescription Drug Side Effects.



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