Does leuprolide expire?
The printed date covers the sealed pack. Once leuprolide is opened, mixed or diluted, its label sets a second and usually much shorter limit — quoted below, per product.
Shortest limit on any leuprolide label: 2 hours
“Discard if not used within 2 hours.”
That applies to the product it is printed on, not to every form of leuprolide — check which one you have against the list below.
What the labels say
“Discard if not used within 2 hours.”
On the label for Lupron Depot-PED · DailyMed
How the label says to keep leuprolide
Storage is the other half of the question: the stability behind any date assumes these conditions, and a medicine kept outside them ages faster than the calendar says.
- “16 HOW SUPPLIED/STORAGE AND HANDLING How Supplied VABRINTY is supplied as a single-dose, two syringe-mixing system with a sterile safety needle and cap.”
- “16 HOW SUPPLIED/STORAGE AND HANDLING Each LUPRON DEPOT 3.”
- “Store between 20° to 25°C (68° to 77°F).”
- “Store below 77°F (25°C).”
- “Protect from light; store vial in carton until use.”
- “Do not store near a radiator or other very warm place.”
- “Store at controlled room temperature at 20º-25ºC (68º-77ºF); excursions permitted between 15ºC and 30ºC (59ºC and 86ºF) [ see USP Controlled Room Temperature ].”
- “Store refrigerated at 2°C to 8°C (36°F to 46°F).”
Frequently asked questions
Does leuprolide expire?
Two different clocks apply and only one of them is the printed date. The date on a sealed pack is the manufacturer's guarantee for the unopened product. Once it is opened, mixed or diluted, the label imposes its own limit — as tight as 2 hours on some leuprolide products, and that is the number quoted on this page.
Can I still use leuprolide after the date on the box?
This page cannot tell you that, and nor can any page. The FDA's own shelf-life programme found 88% of tested lots stayed within specification at least a year past expiry — and concluded in the same breath that lot-to-lot variation means this can only be confirmed by testing each lot. What you can check at home is the in-use limit above and whether the product has been stored as the label requires. Ask a pharmacist about a specific pack; they will also dispose of what you no longer need.
Why do different leuprolide products have different limits?
Because they are different formulations. A suspension that gets mixed with water, a pen that gets carried at room temperature, and a sealed tablet do not behave alike, so each manufacturer's label sets its own limit and each is shown here with the product it belongs to. We never merge them into one number for the molecule.
More on leuprolide
Quoted from FDA labels for reference, not medical advice, and not a suggestion to use anything past its limit. If you are unsure whether a pack is still good, a pharmacist can tell you and can dispose of it safely.