Infectious diarrhea is a condition characterized by the sudden onset of loose or watery stools caused by harmful microorganisms in the digestive system. Rcifax 550 Tablet helps treat infectious diarrhea by targeting and stopping the growth of harmful bacteria in the intestines. This medicine interferes with the bacteria’s ability to make important proteins they need to survive and multiply. This helps to get rid of the bad bacteria causing the infection, which in turn reduces the diarrhea and helps you feel better.