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Rifagut 400mg Tablet

10 Tablet(s) in Strip

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Rifaximin(400.0 Mg)
Therapeutic classification

Medical Description

Rifagut 400 mg tablet is an antibiotic medicine containing rifaximin as its active ingredient. It is used in treating a condition called hepatic encephalopathy. This condition occurs due to severe liv...
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    Side effects
    Precautions and Warnings
    Mode of Action
    Directions for Use
    Storage and disposal
    Other Products
    Quick Summary

Uses of Rifagut 400mg Tablet

Rifagut 400 mg tablet is used in the treatment of hepatic encephalopathy (a condition in which there is a loss of brain function when a damaged liver fails to remove toxins from the blood). It is also...
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Contraindications of Rifagut 400mg Tablet

  • If you are allergic to rifaximin or any other ingredients of this medicine.
  • If you have liver disease.
  • If you have diarrhoea that is caused due to other factors but not bacteria, for example, viral diarrhoea.
  • If you have symptoms of blockage in the bowel, stomach pain or constipation.
  • If you have bloody diarrhoea.
  • If you have diarrhoea along with fever.
  • If you experience allergic reactions with rifabutin, rifapentine or rifampicin.

Side effects of Rifagut 400mg Tablet

  • Loss of appetite
  • Stomach pain
  • Dehydration
  • Headache
  • Dehydration
  • Nausea
  • Vomiting

Precautions and Warnings of Rifagut 400mg Tablet



Can I take the Rifagut 400 mg tablet during pregnancy?
Rifagut 400 mg tablet should not be used in pregnancy as there is limited information about its safety in human pregnancy. Consult your doctor if you are pregnant or think you may be pregnant or planning to have a baby.

Breast Feeding

Can I take the Rifagut 400 mg tablet while breastfeeding?
It is unknown if the Rifagut 400 mg tablet passes into the human breastmilk. Hence, you should not breastfeed while taking this medicine. Consult your doctor before using this medicine during breastfeeding.


Can I drive if I have consumed the Rifagut 400 mg tablet?
You may experience dizziness while on treatment with the Rifagut 400 mg tablet. Caution is needed while driving or operating machines.


Can I consume alcohol with the Rifagut 400 mg tablet?
Although there is no known interaction with alcohol along with this medicine. So it is important to consult your physician if you drink too often.

Other General Warnings

Talk to your doctor if
You should discontinue taking the Rifagut 400 mg tablet immediately if you experience severe diarrhoea while or after using it. Diarrhoea can cause dehydration. Make sure to consume enough fluids. Yo...
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Mode of Action of Rifagut 400mg Tablet

How Does It Work?

Rifaximin works by disturbing the growth process of bacterial cells; therefore, the bacterial multiplication is hindered and the existing bacteria are killed or their life cycle stops. Rifagut 400 mg ...
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Directions for Use of Rifagut 400mg Tablet

  • Follow your doctor's instructions while taking the Rifagut 400 mg tablet.
  • You should swallow it with a glass of water.
  • Do not break, cut or chew the tablet.
  • You should take it regularly and preferably at a fixed time.
  • Do not consume it more or longer than that prescribed by your doctor.

Interactions of Rifagut 400mg Tablet

Interactions with other medicines

  • Some medicines can affect the way the Rifagut 400 mg tablet works or this medicine itself can reduce the effectiveness of other medicines taken at the same time.
  • Tell your doctor about all the medicines, supplements or herbals you are currently taking or might take to avoid any possible interaction.
  • Rifagut 400 mg tablet might interact with cholera and the BCG vaccine.
  • This medicine might alter the effects of other medicines such as erythromycin, diltiazem, azithromycin, warfarin and anti-fungal medications.

Storage and disposal of Rifagut 400mg Tablet

  • Store the Rifagut 400 mg tablets in a cool and dry place, protected from direct sunlight, moisture and heat. Keep it away from children and pets.
  • Do not use expired or damaged medicines.
  • Discard any unused medicine properly. Do not flush in the toilet or throw it into the drain.

Dosage of Rifagut 400mg Tablet


If you think you have taken too much of this medicine, contact your doctor immediately or visit the nearest hospital.

Missed a Dose

You should never miss your dose of antibiotics as it may lead to treatment failure. If you have missed taking any dose of medicine take it as soon as you remember. However, if it's time for your next ...
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Content Details


Dr. Arpit Verma

MBBS, MD (Pharmacology)


Dr. Ritu Budania

MBBS, MD (Pharmacology)

Frequently Asked Questions (FAQs)


Q: Can I take the Rifagut 400 mg tablet if I have severe liver disease?

A: People with severe liver disease should use the Rifagut 400 mg tablet with caution. You should inform your doctor about your liver condition and give your doctor a detailed medical history.

Q: I recently had antibiotic-induced diarrhoea. Can I still take the Rifagut 400 mg tablet?

A: The therapeutic effects of the Rifagut 400 mg tablet might change in people suffering from diarrhoea caused by antibiotics. You should inform your doctor about your medical history.

Q: Is it okay to take an extra dose if I have missed a dose?

A: You should not take an extra dose to compensate for the missed dose. Try not to miss a dose of the Rifagut 400 mg tablet because it might cause antibiotic resistance.

Q: Rifagut 200 or 400, which is a better medicine to treat diarrhoea?

A: Rifagut 200 and Rifagut 400, both tablets contain rifaximin as an active ingredient and are used to treat infectious diarrhoea. Based on the cause and severity of your infection, your doctor will prescribe you the suitable medicine. You should take the medicine as prescribed by your doctor. Do not self-medicate.

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Quick Summary

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ContainsRifaximin(400.0 Mg)
UsesHepatic encephalopathy and irritable bowel disease with diarrhoea
Side effectsLoss of appetite, stomach pain, dehydration, headache, dehydration
Last Updated on: 24 Aug 2021 | 04:00 PM (IST)
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