Medical prescription forms of opioid cough suppressants falsified by the patients before and after they switched from OTC to prescription-only in France.
Emilie JouanjusValérie GibajaFlorence FabreMaryse Lapeyre Mestrenull nullPublished in: British journal of clinical pharmacology (2021)
The sharp increase of recourse to falsified prescription forms indicates that codeine diversion continues despite a restricted access, whereas the other drugs studied do not seem to have been impacted.