Answer
After first opening, Orfadin (nitisinone) 4 mg/ml oral suspension can be kept for a single period of 2 months at a temperature not above 25°C, after which it must be discarded.
Sources for this answer
- Orfadin 4mg/ml Oral SuspensionSwedish Orphan Biovitrum Ltd · emc · SmPC §6.3 Shelf life · Version 10Document updated
Sources checked