Xifaxan: A Comprehensive Guide Xifaxan, also known as Rifaximin, is a prescription drug that is primarily used to treat bacterial infections in the intestine. It is in the rifamycin class of antibiotics and works by inhibiting the growth of harmful bacteria in the gut. Xifaxan is also used to treat various other bacterial infections in the body. Here’s everything you need to know about Xifaxan, including uses, dosage, demographics, side effects, interactions, and generic options. Uses Xifaxan is mainly used to treat bacterial infections in the bowel, including traveler’s diarrhea, irritable bowel syndrome with diarrhea (IBS-D), and hepatic encephalopathy. It is also used to prevent recurrent episodes of hepatic encephalopathy in adults. In rare cases, Xifaxan is used to treat other intestinal infections like Clostridium difficile-associated diarrhea. Dosage For treating traveler’s diarrhea or irritable bowel syndrome with diarrhea (IBS-D), the usual recommended dosage of Xifaxan is 550 mg three times daily for 14 days. If there is a reoccurrence of symptoms, a second course of treatment may be administered. The dosage for hepatic encephalopathy is typically 550 mg twice daily for up to six months. Xifaxan should be taken with or without food as directed by your doctor. Demographics Xifaxan is FDA-approved for use in adults aged 18 years and above. There is limited research on the safety and effectiveness of Xifaxan in pregnant and breastfeeding women. Therefore, it is important to discuss with your healthcare provider if you are pregnant or breastfeeding before taking Xifaxan. Xifaxan is not recommended for children. Side Effects Like any other medication, Xifaxan has potential side effects that should be noted. Some common side effects of Xifaxan include headache, nausea, and abdominal pain. Serious side effects like allergic reactions, liver problems, and seizures are rare but can occur. If you experience any of these symptoms, seek immediate medical attention. Interactions Xifaxan may interact with other drugs, including antifungal agents, protease inhibitors, and other antibiotics. It is important to inform your healthcare provider of any medications you are taking before you start taking Xifaxan to avoid potential drug interactions. Generic Options A generic version of Xifaxan is available on the market and is known as rifaximin. Like Xifaxan, rifaximin is used to treat bacterial infections of the intestine, including traveler’s diarrhea, IBS-D, and hepatic encephalopathy. It is less expensive than the branded version and is just as effective. In Conclusion Xifaxan, also known as Rifaximin, is an effective drug used to treat bacterial infections of the intestine. It is commonly prescribed for traveler’s diarrhea, IBS-D, and hepatic encephalopathy. The recommended dosage for Xifaxan is 550 mg three times daily for 14 days. Xifaxan is FDA-approved for use in adults aged 18 and above and is not recommended for children. Some common side effects of Xifaxan include headache, nausea, and abdominal pain. Xifaxan may interact with other drugs, and it is important to inform your healthcare provider of any medicines you are taking before starting Xifaxan. A generic version of Xifaxan is available on the market and is known as rifaximin. Talk to your healthcare provider to determine the best course of treatment for you.