Answer
Store Duphalac (lactulose) 3.335 g/5 ml oral solution at no more than 25°C, and do not refrigerate or freeze it.
Sources for this answer
- Lactulose 3.335g/5ml oral solutionViatris (formerly Mylan or Upjohn) · emc · SmPC §6.4 Special precautions for storage · Version 19Document updated
Sources checked