Introduction

Rifaximax 400 Tablet is an antibiotic used to treat various bacterial infections in the intestines. It contains Rifaximin as its active ingredient, which works by stopping the growth of harmful bacteria. This medication is primarily prescribed for treating traveler’s diarrhea, irritable bowel syndrome with diarrhea (IBS-D), and hepatic encephalopathy.

Uses of Rifaximax 400 Tablet

• Treatment of traveler’s diarrhea caused by non-invasive strains of Escherichia coli
• Management of irritable bowel syndrome with diarrhea (IBS-D)
• Prevention of hepatic encephalopathy in patients with liver disease
• Treatment of small intestinal bacterial overgrowth (SIBO)

How Rifaximax 400 Tablet Works

Rifaximax 400 Tablet works by blocking the action of bacterial enzymes essential for their survival. It inhibits the synthesis of proteins in bacteria, stopping their growth and preventing the spread of infection. Since it mainly acts in the intestines without being absorbed into the bloodstream, it effectively targets gut infections with minimal side effects.

Benefits of Rifaximax 400 Tablet

• Effectively treats diarrhea caused by bacterial infections
• Relieves symptoms of IBS-D, such as abdominal pain and loose stools
• Prevents recurrence of hepatic encephalopathy in liver patients
• Minimizes the risk of antibiotic resistance due to localized action

How to Use Rifaximax 400 Tablet

• Take this medication exactly as prescribed by your doctor.
• Swallow the tablet whole with water. Do not crush or chew it.
• It can be taken with or without food.
• Complete the full course of treatment, even if symptoms improve early.

Side Effects of Rifaximax 400 Tablet

Common Side Effects:

• Nausea
• Flatulence (gas)
• Abdominal pain
• Headache
• Constipation

Serious Side Effects (Seek medical help):

• Severe allergic reactions (rash, itching, swelling)
• Bloody or watery diarrhea that continues after stopping the medication
• Signs of liver problems (yellowing of skin or eyes, dark urine)

Precautions and Warnings

• Inform your doctor if you have liver disease or any allergic reactions to antibiotics.
• Not recommended for diarrhea caused by viral infections.
• Use with caution during pregnancy or breastfeeding; consult your doctor.
• Avoid alcohol consumption during the treatment course.

Drug Interactions

Rifaximax 400 Tablet may interact with:

• Warfarin (a blood thinner) – may increase bleeding risk
• CYP3A4 enzyme inhibitors like ketoconazole – may alter drug levels
• Other antibiotics – may reduce effectiveness if taken together

Frequently Asked Questions (FAQs)

Q: Can Rifaximax 400 Tablet be used for viral diarrhea?

A: No, it is effective only against bacterial infections and does not work for viral diarrhea.

Q: Is it safe to use Rifaximax 400 Tablet for a long time?

A: Long-term use should be under medical supervision to avoid bacterial resistance.

Q: Can I take Rifaximax 400 Tablet with probiotics?

A: Yes, probiotics can be taken alongside to maintain gut health, but consult your doctor for proper guidance.

Q: What should I do if I miss a dose?

A: Take the missed dose as soon as you remember. Skip it if it's nearly time for your next dose. Do not double the dose.