Which pharmaceutical marketing campaign is credited with transforming a previously underdiagnosed condition into a widely recognized medical issue, generating over $10 billion in sales?

Marketing in the medical industry has evolved dramatically over the decades, with certain campaigns fundamentally changing how patients and doctors interact with healthcare products. Some advertising strategies have become so influential they've altered medical practice patterns and patient awareness. This trivia question explores one of the most transformative pharmaceutical marketing campaigns in recent history.

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Pfizer's 'Little Blue Pill' campaign for Viagra, which normalized discussion of erectile dysfunction
Eli Lilly's 'Depression Hurts' campaign for Cymbalta, which visualized invisible symptoms
Eli Lilly's 'Ask Your Doctor About Prozac' campaign, which pioneered direct-to-consumer antidepressant marketing
AstraZeneca's 'Purple Pill' campaign for Nexium, which rebranded acid reflux as GERD requiring medication