RIFAGUT 550 TABS contains rifaximin, which is a broad-spectrum antibiotic that works by stopping the growth of bacteria in the gut. It is commonly used to treat conditions such as traveler’s diarrhea, irritable bowel syndrome, and hepatic encephalopathy. This medication should be taken as prescribed by a healthcare professional and the full course should be completed to ensure the infection is fully treated. Common side effects may include nausea, vomiting, and abdominal pain. It is important to consult a doctor before taking this medication to ensure it is the right treatment for your condition.