Answer
The ADVANZ Pharma product doxapram hydrochloride 20 mg/ml solution for injection has an unopened shelf life of 4 years; after opening, it should be used immediately and any unused portion must be discarded.
Sources for this answer
- Doxapram Hydrochloride BP 20mg/ml Solution for InjectionADVANZ Pharma · emc · SmPC §6.3 Shelf life · Version 7Document updated
Sources checked