(See also Overview of Antibiotics.)
Nitrofurantoin is used only to prevent or treat urinary tract infections. How nitrofurantoin works is not understood.
Nitrofurantoin is taken by mouth.
Doctors do not give nitrofurantoin to people whose kidneys are not functioning well.
Nitrofurantoin is not given to pregnant women when delivery is near nor during labor or delivery because at this time, it can damage and destroy red blood cells in newborns, resulting in hemolytic anemia.
Nitrofurantoin should not be taken during the first month of breastfeeding.