The Nurse Is Performing a Medication History on a Patient

The nurse is performing a medication history on a patient who reports using phentermine HCl (Suprenza) 15 mg/day for the past 3 months as an appetite suppressant.The nurse will contact the patient's provider to discuss

A) changing the medication to phentermine-topiramate (Qsymia) .
B) increasing the dose to 37.5 mg/day since tolerance has likely occurred.
C) initiating a slow taper of the phentermine.
D) stopping the drug immediately since long-term use is not recommended.