Problem: Treatment with levodopa cardiodopa. After several months of therapy, the patient reports no change in symptoms. The provider will implement what action? Need Professional Help? A. Prescribing the patient a dopamine agonist. B. Discussing the effects of the on-off phenomenon with the patient. C. Increasing the daily dose of levodopa cardiodopa. D. Ordering tests to reevaluate the patient's diagnosis.