Answer
Xalatan (latanoprost) 50 micrograms/ml eye drops have a shelf life of 2 years before first opening and 4 weeks after first opening of the container.
Sources for this answer
- Xalatan 50 micrograms/ml Eye Drops, SolutionViatris (formerly Mylan or Upjohn) · emc · SmPC §6.3 Shelf life · Version 29Document updated
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