A Patient with a Peptic Ulcer Disease Has Had Metronidazole

A patient with a peptic ulcer disease has had metronidazole (Flagyl) added to his current medication regimen. What health education related to this medication should the nurse provide?

A) Take the medication on an empty stomach.
B) Take up to one extra dose per day if stomach pain persists.
C) Take at bedtime to mitigate the effects of drowsiness.
D) Avoid drinking alcohol while taking the drug.