“…In summary, these real-life cases indicate that a careful visual inspection, i.e., a simple and inexpensive technology, is of paramount importance in monitoring the quality of medicines not only in the field, but also at central level. In a pharmaceutical scenario characterized by a situation of multiple quality standards [ 7 – 10 ], complex distribution networks [ 11 , 12 ], and weaknesses of the pharmaceutical systems [ 13 , 14 ], it can provide additional important guidance to timely recall suspicious batches, to revoke marketing authorizations of unreliable suppliers, and to protect public health [ 15 ]. Central medical stores and regulatory agencies need to consider the visual inspection as part of their prequalification and ongoing requalification system.…”