Answer
Unopened GONAL-f 75 IU (5.5 micrograms) powder and solvent for solution for injection has a shelf life of 3 years; after first opening and reconstitution, it is for immediate and single use.
Sources for this answer
- GONAL-f 75 IU (5.5 micrograms)Merck · emc · SmPC §6.3 Shelf life · Version 19Document updated
Sources checked