The pricing and inclusion of any prescription drug within this preferred drug list is subject to change and is not guaranteed. While we strive to maintain up to date pricing, drug manufacturers and pharmacies may alter pricing at any time creating the opportunity for an outdated price to be displayed on this preferred drug list before price changes can be updated on this preferred drug list. The following Preferred Drug List is an abbreviated version of commonly prescribed medications. This list is intended to be a guide and prescribers should still use generics when possible.