Faxicad 550 Tablet contains Rifaximin 550mg, a broad-spectrum antibiotic primarily used to treat gastrointestinal infections caused by susceptible bacteria. It works by inhibiting bacterial RNA synthesis, thereby stopping the growth and multiplication of harmful bacteria in the intestines. This medication is commonly prescribed for conditions such as travelers’ diarrhea, irritable bowel syndrome with diarrhea (IBS-D), and hepatic encephalopathy to reduce the risk of recurrent episodes. Due to its minimal systemic absorption, Rifaximin acts locally within the gut, which helps in reducing systemic side effects. Faxicad 550 is effective against a variety of gram-positive and gram-negative bacteria, including Escherichia coli, which is often responsible for traveler’s diarrhea. It is important to take this medication exactly as prescribed by a healthcare professional, usually for a duration of 3 to 14 days depending on the condition being treated. Patients should complete the full course even if symptoms improve earlier to prevent resistance development. Common side effects may include nausea, abdominal pain, and headache, but it is generally well-tolerated. Faxicad 550 should be used with caution in patients with liver impairment and is not recommended for systemic infections or those with hypersensitivity to rifamycin antibiotics.