DEAR DR. ROACH: I would appreciate your insight regarding prescription drug pricing. As an example, I am prescribed 10 mg of generic rosuvastatin for a 90-day supply. I am enrolled in a Medicare Advantage plan, so my co-pay for this medication is $0. On the patient information sheet, however, the li sted retail price is approximately $400. This gives the impression that UnitedHealthcare is providing substantial pharmacy coverage. ...read more read less