Which pharmaceutical product was originally developed as a blood pressure medication but became a blockbuster drug after being repositioned for a completely different indication?

In the pharmaceutical industry, successful brand positioning can transform a medication from simply effective to a market-dominating 'blockbuster drug'. This poll explores a fascinating case of pharmaceutical brand repositioning that dramatically changed a medication's market success and patient perception. Test your knowledge of how strategic marketing decisions in medicine can completely transform a product's trajectory and therapeutic identity.

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Sildenafil (Viagra)
Minoxidil (Rogaine)
Botulinum toxin (Botox)
Finasteride (Propecia)