Answer
Detrusitol XL 4 mg prolonged-release capsules containing tolterodine tartrate have a shelf life of 3 years in PVC/PVDC and aluminium foil blisters.
Sources for this answer
- Detrusitol XL 4 mg Prolonged-release CapsulesViatris (formerly Mylan or Upjohn) · emc · SmPC §6.3 Shelf life · Version 23Document updated
Sources checked