Historically, formulary proponents argue that patients simply do not need the variety of available FDA-approved medications. They assert that every medication in a drug class is interchangeable
enough and that the cost of allowing all drug options does not justify the health benefits.
In 2016, however, these arguments are weak.Today, we know a one-size-fits-all approach to pharmacotherapy is not appropriate for all patients and that reducing drug spend does not always reduce overall healthcare costs.
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