 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  bowel syndrome with diarrhea. It is also used to prevent a brain problem caused by liver disease (hepatic encephalopathy). It may help you think more clearly. How to use Rifaximin Tablet Read the Patient Information Leaflet if available from your pharmacist before you start taking rifaximin and each time you get a refill. If you have any questions, ask your doctor or pharmacist. The dosage is based on your medical condition and response to treatment. To treat traveler's diarrhea, take this medication by mouth with or without food as directed by your doctor, usually 3 times a day (every 8 hours) for 3 days. To treat irritable bowel syndrome with diarrhea, take this medication by mouth with or without food as directed by your doctor, usually 3 times a day for 14 days. To prevent hepatic encephalopathy, take this medication by mouth with or without food as directed by your doctor, usually 2 times a day (every 12 hours). For the best effect, take this antibiotic at evenly spaced times. To help you remember, take this medication at the same time(s) every day. For traveler's diarrhea, continue to take this medication until the full prescribed amount is finished, even if symptoms disappear after a few days. Sto </s>