Articles by Dr. Erdman are for informational purposes, and are not to be taken as specific medical advice.
Have you ever wondered if that old prescription sitting in
your refrigerator is still any good? You
see the expiration date is well past, but it was expensive and you may need it
again, right?
If the expiration date has come and gone, is it safe to keep?
And for how long? Will it hurt you if you take it “out of date”?
Let’s start with how medication expiration dates came about. There were no expiration dates on medications until 1979. The FDA started requiring dates to “ensure effectiveness.” The generally accepted minimum standard for potency is a concentration of 90% or better.