Which pharmaceutical company launched the first-ever direct-to-consumer (DTC) television advertisement for a prescription drug in the United States, creating a watershed moment in medical marketing history?

In the competitive pharmaceutical industry, marketing campaigns can make or break a product's success. Some medication marketing efforts have been so innovative or controversial that they've changed the entire landscape of medical advertising. This trivia tests your knowledge about a groundbreaking marketing campaign that transformed how prescription medications are promoted to consumers.

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Pfizer with Viagra (sildenafil)
Merck with Singulair (montelukast)
Eli Lilly with Prozac (fluoxetine)
Schering-Plough with Claritin (loratadine)