Answer:
The nurse should advise the patient to take the vitamins at least 2 hours before or after taking ciprofloxacin.
Step-by-step explanation:
Vitamin supplements may make ciprofloxacin less effective. Calcium can limit the bioavailability of Ciprofloxacin in turn making it less effective, as well as iron, aluminum, and magnesium which are in multivitamins.