What is a Preferred Drug List (PDL) or Drug Formulary?
A PDL is a list of medications arranged by therapeutic classes such as Allergy, Heart Disease, Gastrointestinal, Cholesterol Reduction, etc. PDL’s, often referred to as Formularies, are developed by Pharmacy and Therapeutics (P&T) committees comprised of pharmacists and practicing physicians. Medications for the PDL are selected based upon their safety, efficacy and cost-effectiveness. The committee reviews scientific literature, reports and clinical studies. They consult with other health care professionals and utilize expertise and experience from their practice to select medications with the greatest therapeutic value. What are single-source brand drugs? How they compare with generics? In addition to the therapeutic classes, another important factor is whether a drug product is a generic, single-source brand or a multi-source brand. When a medication is first introduced into the market, the original manufacturer, known as the innovator, is granted a patent. The innovator is the sing
