<p><strong>Traveler&#39;s Diarrhea</strong>: For patients &ge;12 years of age: 200 mg 3 times daily for 3 days.<br />
<strong>Hepatic Encephalopathy:&nbsp;</strong>For patients &ge;18 years of age: 550 mg 2 times daily.<br />
<strong>Bacterial overgrowth of irritable bowel syndrome</strong>: 400 mg 3 times daily for 10 days or 550 mg 3 times daily for 14 days. Can be taken with or without food.</p>