Which prescription medication was featured in the first-ever direct-to-consumer television commercial for a prescription drug in the United States?

Pharmaceutical advertising has evolved dramatically over the decades, particularly in how companies market prescription medications directly to consumers. While today we're accustomed to seeing prescription drug commercials on television, this wasn't always the case. In fact, direct-to-consumer advertising for prescription medications was heavily restricted until regulatory changes in the late 20th century. Test your knowledge about this significant turning point in pharmaceutical marketing history!

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Claritin (loratadine) for allergies
Prozac (fluoxetine) for depression
Lipitor (atorvastatin) for high cholesterol
Viagra (sildenafil) for erectile dysfunction