The patient is taking a trip abroad and brings in a prescription for nitazoxanide. The patient has…

➤ What should a patient on metformin know before starting nitazoxanide?
Take nitazoxanide with food for better absorption. There is little direct interaction with metformin, but expect gastrointestinal side effects. Diarrhea or vomiting can cause dehydration and reduced kidney function, raising the rare risk of lactic acidosis. Check baseline renal function and monitor blood glucose during treatment.