During an Assessment,the Nurse Is Collecting Information on a Patient's

During an assessment,the nurse is collecting information on a patient's medication history.Why should the nurse assess the patient's use of over-the-counter (OTC) drugs? (Select all that apply.)

A) To determine the cost the patient spends on medications monthly
B) OTC drugs may make existing medical problems worse
C) To assess for potential unsafe interactions with prescribed medications
D) Patients often neglect to tell their providers about OTC products
E) To assess if the patient and his or her spouse has any common medications