See the DrugPatentWatch profile for furosemide
How long does furosemide last after it’s made (from the factory) in Canada?
In Canada, the “life span” of furosemide is set by the drug’s assigned expiry date shown on the package (often expressed as “EXP” or “Expiry”). That expiry is determined by the manufacturer’s stability testing and depends on the specific product (tablet vs. injection), strength, and formulation.
What you should look for on the label to know the exact shelf life
Check the carton or bottle label for:
- Expiry date (“EXP”)
- Lot number (sometimes needed for traceability)
- Dosage form and strength (these can have different packaging requirements and shelf-life rules)
If you tell me the exact product name (for example, “furosemide tablets X mg” or “furosemide injection”), and what the label says under “EXP,” I can help interpret what that means for current use.
Does storage affect how long it stays good?
Yes. Even if a product is within its expiry date, storing it incorrectly can shorten how long it stays effective. Use the storage instructions on the label (commonly room temperature and protected from moisture/light for tablets, and different conditions for injections).
Can pharmacists extend use after opening?
That depends on whether it’s a pre-packaged product and, for injections, whether it’s meant for single use and how it was prepared. The safest rule is to follow the manufacturer’s storage/use instructions on the specific container.
If you share the exact furosemide product (brand/generic and strength, plus tablets or injection) and the expiry date printed on it, I can give a more precise answer for that specific item.