If your health plan covers prescription drugs and you want to keep getting prescription drug coverage, you need to join another plan that offers this coverage. If you decide to return to the Original Medicare Plan and want to continue to have drug coverage, you will have to join a Medicare Prescription Drug Plan.
(Primary Source: Centers for Medicare and Medicaid Services - Medicare and You Handbook. This content may have been enhanced by Q1Group LLC to include further examples, explanations, and links.)