An Evaluation of Prevalence of Low Quality of Medicines in Saudi Arabia and Factors Associated an Analytical Comparative Study

From the beginning, human beings have looked for quality in all criteria of their lives. Quality is a universal concept, both sensible and uncomplicated, but its definition is usually subjective. Medicine has been fundamental throughout history in the management of diseases and prevention of illnesses. Over the period of time, the surveillance by states, general and private professionals, and customers has confirmed that those drugs are effective and safe