Rifaximin 550 mg
Rifaximin is an antibiotic medication used to treat various bacterial infections in the gut. It belongs to a class of antibiotics known as rifamycins and works by inhibiting the growth of bacteria in the intestines.
Active Ingredients
The active ingredient in Rifaximin is rifaximin, which is a synthetic derivative of rifamycin. Each tablet contains 550 mg of rifaximin.
Pharmacological Properties
Rifaximin acts locally in the gut and has minimal systemic absorption. It works by disrupting bacterial RNA synthesis, leading to the inhibition of bacterial growth.
Indications
Rifaximin is commonly used to treat infections caused by certain types of bacteria in the gut, such as traveler’s diarrhea and irritable bowel syndrome with diarrhea (IBS-D).
Contraindications
Rifaximin should not be used in patients with a known hypersensitivity to rifaximin or any other rifamycin antibiotics. It is also contraindicated in patients with severe liver impairment.
Dosage
The usual dosage of Rifaximin for the treatment of traveler’s diarrhea is 200 mg three times a day for 3 days. For IBS-D, the recommended dose is 550 mg three times a day for 14 days.
Side Effects
Common side effects of Rifaximin may include nausea, flatulence, abdominal pain, and headache. In rare cases, serious side effects such as severe allergic reactions or Clostridium difficile-associated diarrhea may occur.
Drug Interactions
Rifaximin may interact with certain medications, such as P-glycoprotein inhibitors like cyclosporine, leading to increased rifaximin levels in the body. It is important to inform your healthcare provider about all the medications you are taking before starting rifaximin.
Patient Counseling
Patient should take Rifaximin exactly as prescribed by their healthcare provider and complete the full course of treatment even if they start feeling better. It is important to drink plenty of fluids while taking Rifaximin to prevent dehydration.
Clinical Evidence
Clinical studies have demonstrated the efficacy of Rifaximin in the treatment of traveler’s diarrhea and IBS-D. It has been shown to provide symptomatic relief and reduce the duration of symptoms in patients with these conditions.
Frequently Asked Questions (FAQs)
Q: Can Rifaximin be used for the treatment of viral infections?
A: No, Rifaximin is an antibiotic that is effective against bacterial infections only. It will not work for viral infections such as the common cold or flu.
Q: How quickly does Rifaximin work for traveler’s diarrhea?
A: Rifaximin usually starts working within a day or two for traveler’s diarrhea. However, it is important to complete the full course of treatment as prescribed.
Q: Are there any dietary restrictions while taking Rifaximin?
A: There are no specific dietary restrictions while taking Rifaximin. However, it is important to follow a healthy diet and stay hydrated to support the effectiveness of the medication.
Q: Can Rifaximin be used in children?
A: Rifaximin is not recommended for use in children under the age of 12 years. However, your healthcare provider may prescribe it for specific pediatric conditions.
Q: What should I do if I miss a dose of Rifaximin?
A: If you miss a dose of Rifaximin, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for the missed one.
