Answer
The Zentiva doxepin hydrochloride 50 mg capsules product has a shelf life of 2 years in Al//PVC/PE /PVDC blister material and 3 years in Aluminium/Aluminium blister material.
Sources for this answer
- Doxepin 50mg CapsulesZentiva · emc · SmPC §6.3 Shelf life · Version 6Document updated
Sources checked