Comparing visual inspection methods for parenteral products in hospital pharmacy: between reliability, cost, and operator formation considerations.

Introduction: The COVID-19 pandemic has led to unforeseen and novel manifestations, as illustrated by the management of drug shortages through the development of hospital production of sterile pharmaceutical preparations (P2S). Visual inspection of P2S is a release control whose methods are described in monographs of the European Pharmacopoeia (2.9.