what is nitrofurantoin used for
macrobid is the brand name for nitrofurantoin an antibiotic used to treat or prevent urinary tract infectionsmacrobid works by killing the bacteria that cause the infection or by preventing the bacteria from growingf you have any of these symptoms while taking macrobid check with your doctor right away some of them could indicate liver problems stomach pain tenderness stools the color of clay or urine that is dark no appetite or lower appetite nausea vomiting yellowing of skin eyes