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Like any drug, if you keep them in their original packaging, and in a cool, dry storage area (below 75 degrees F), then they'll last indefinitely. The expiration date on most drugs is the date of full potency and effectiveness; however, drugs like Aspirin or drugs containing it should adhere to the expiration date due to Aspirin's breakdown over time, which can make you sick.

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11y ago
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11y ago

As long as they're kept in the original package in a cool, dry place, they'll last for years.

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Q: What is the shelf life of Fentanyl transdermal patch?
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