When were blister packs (those plastic/foil packaging units for individual pills) first introduced to the pharmaceutical industry?

Pharmaceutical packaging has evolved dramatically over the decades to improve safety, compliance, and effectiveness. One innovation revolutionized how we take medications and protect drug integrity. Test your knowledge about a packaging development that changed modern medicine and became a standard in pharmaceutical dispensing worldwide.

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1930s - developed during the Great Depression as an economical way to distribute medications
1950s - invented as part of post-WWII medical supply innovations
1960s - developed primarily to create tamper-evident packaging and improve medication compliance
1980s - created in response to the Tylenol tampering crisis as a safety measure