Health care expiration dating policy
If you bring that bottle back to the pharmacy for a refill and it’s over a year old, the pharmacist knows you need a new prescription.
So before applying the SLEP findings to your stash, consider that in the program, the medications are stored in the original packaging and always exactly according to the manufacturer’s labeled instructions.
Like many prepper questions, this wasn’t easy to solve.
The reasons for the limits are complex, but it’s clear that especially for pills (as opposed to less-stable liquids), the date doesn’t always mean the drug won’t last longer.
In the program, certain important stockpiled medications are kept well past manufacturer expiration dates and are periodically tested to make sure they’re still good. Each lot usually goes through two testing processes: The FDA says it errs on the side of caution when extending expiration dates.
However long they think the med will last, they mark the date sooner than that.