A 26-yeаr-оld femаle presents tо the urgent cаre clinic repоrting a 4-day history of thin, gray-white vaginal discharge with a strong fishy odor, mild vulvar irritation, and no dysuria. She denies pelvic pain, fever, or recent antibiotic use. She is sexually active in a monogamous relationship and uses oral contraceptive pills for birth control. Denies any history of previous infection. On speculum exam, a homogenous, off-white discharge is noted coating the vaginal walls. Cervix is non-friable with no cervical motion tenderness on bimanual exam. Vaginal pH: 5.2 (elevated) Microscopy: Clue cells present She is prescribed a 7-day course of oral metronidazole. Prior to discharge, the AGACNP provides medication counseling. Which of the following instructions is most critical to include in the patient's discharge education?