what is nitrofurantoin 100mg
Nitrofurantoin is an antibiotic that fights bacteria in the body. Nitrofurantoin is used to treat urinary tract infections. Nitrofurantoin may also be used for purposes not listed in this medication guide.top using nitrofurantoin and call your doctor at once if you have a serious side effect such as: 1  diarrhea that is watery or bloody; 2  shortness of breath, running out of breath easily; 3  sudden chest pain or discomfort, wheezing, dry cough or hack;