Rifaximin 400mg is a gastrointestinal antibiotic that works mainly inside the intestines. It is used to reduce the growth of certain harmful bacteria responsible for specific intestinal infections and conditions.
🔹 Key Uses
Rifaximin 400mg may be used for:
Treatment of certain bacterial intestinal infections
Infectious diarrhea caused by susceptible bacteria
Traveler’s diarrhea in appropriate cases
Hepatic encephalopathy, in selected treatment regimens
Certain bowel conditions associated with bacterial overgrowth, when prescribed by a doctor
🔹 Composition
Active ingredient: Rifaximin 400mg
Medicine class: Gastrointestinal antibiotic
Dosage form: Tablet
🔹 How It Works
Rifaximin works by inhibiting bacterial RNA synthesis, which prevents susceptible bacteria from producing essential proteins and multiplying. It has very low absorption into the bloodstream and therefore mainly acts within the gastrointestinal tract.
🔹 Key Benefits
Acts mainly in the intestines
Helps reduce susceptible harmful intestinal bacteria
Useful in selected bacterial gastrointestinal conditions
Has minimal systemic absorption compared with many other antibiotics
🔹 Dosage and Administration
The dosage and duration depend on the condition being treated and should be determined by a healthcare professional.
Take the medicine exactly as prescribed
Swallow the tablet with water
It may be taken with or without food unless otherwise directed
Complete the prescribed course when treating an infection
🔹 Possible Side Effects
Common side effects may include:
Nausea
Abdominal pain or discomfort
Bloating
Headache
Dizziness
Diarrhea or constipation
Serious side effects can include severe allergic reactions or severe, persistent, or bloody diarrhea. Seek medical attention if these occur.
🔹 Precautions and Warnings
Use only under medical supervision when prescribed for a specific condition
Tell your doctor if you have severe liver problems
Inform your doctor about any allergies to rifaximin or related medicines
Do not use antibiotics unnecessarily
Contact a healthcare professional if diarrhea becomes severe, persistent, or bloody
Important: Always follow your healthcare provider's instructions when using this medication.
Note: This is general guidance. For specific instructions, please consult your healthcare provider or refer to the package insert.
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