The clinical and Practice Dilemma of Frequent Switching Among Generic Medications: Magnitude and Patient Safety Prospective.

To assess the magnitude of generic-generic and brand-generic medication switching and its impact on patients' understanding and the potential risk of medication errors. The study composed of 2 parts. The first part is a retrospective study to measure the frequency of medications switching in King Faisal Specialist Hospital and Research Centre (KFSH&RC), from 1 of January 2015 to the 31 of December, 2020.