Do Prescriptions Expire?

Written prescriptions expire five days to one year after the date on the prescription, depending on the class. Dispensed prescriptions have an expiration date---the date through which it is considered safe and at full strength.

References

• University of Oklahoma: When Does a Prescription Expire?
• MayoClinic.com Health Library: Expiration Dates on Medications
• Harvard Medical School: Drug Expiration Dates