Rifayes 200mg Tablet

Reviewed By Dr. Mekhala Chandra, MD, MBBS

Last updated on 25 Nov 2025 | 03:05 PM (IST)

Rifayes 200mg Tablet is an antibiotic medicine used to treat infectious diarrhea. It works by killing and stopping the growth of harmful bacteria in the intestines. This way it helps to get rid of the bad bacteria causing the infection, which in turn reduces the diarrhea.

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Rifayes 200mg Tablet

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Rifaximin (200mg)

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General Information

Contains

Rifaximin (200mg)

Marketer

Morepen Laboratories Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Rifayes 200mg Tablet can be used alone or in combination with other medicines. It may be taken with or without food, preferably at the same time, each day. It should be used in the dose and duration as advised by the doctor. Take it at the same time each day to get the most benefit and you should keep on taking this medicine for as long as you are prescribed. Stopping it early may make the infection to come back and harder to treat.

Some people may develop side effects like vomiting, headache, constipation, vomiting, fever, abdominal pain, and nausea. These side effects are usually temporary and go away during treatment as your body adjusts to the medicine. Consult your doctor if these side effects bother you or will not go away. Your urine may become reddish in color due to this medicine. But, it is normal and harmless.

Before starting treatment with this medicine, you should tell your doctor if you are pregnant, breastfeeding or suffering from any liver, kidney or heart problems or if you are allergic to any medicine.

Uses of Rifayes Tablet

Treatment of Infectious diarrhea

Benefits of Rifayes Tablet

Treatment of Infectious diarrhea
Infectious diarrhea is a condition characterized by the sudden onset of loose or watery stools caused by harmful microorganisms in the digestive system. Rifayes 200mg Tablet helps treat infectious diarrhea by targeting and stopping the growth of harmful bacteria in the intestines. This medicine interferes with the bacteria's ability to make important proteins they need to survive and multiply. This helps to get rid of the bad bacteria causing the infection, which in turn reduces the diarrhea and helps you feel better.

Side effects of Rifayes Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Rifayes

Headache
Nausea
Fever
Abdominal pain
Vomiting
Flatulence
Constipation
Tenesmus (increased urge to pass stools)

How to use Rifayes Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Rifayes 200mg Tablet may be taken with or without food.

How Rifayes Tablet works

Rifayes 200mg Tablet is an antibiotic. Rifayes 200mg Tablet inhibits the bacteria's ability to make proteins and stops the growth of bacteria that cause infectious diarrhea.

All substitutes for Rifayes 200mg Tablet

For information purposes only. Consult a doctor before taking any medicine.

Quick tips

You have been prescribed Rifayes 200mg Tablet for the treatment of infectious diarrhea.
It should only be taken for a maximum of three days. If your symptoms do not improve after three days, inform your doctor. Do not take a second course of Rifayes 200mg Tablet.
It may cause reddish discoloration of urine. This is normal and harmless.
Stop taking Rifayes 200mg Tablet and inform your doctor if your diarrhoea gets worse or starts to contain blood or mucus.
Finish the full course of the medication, even if you feel better. Stopping the course early increases the risk of coming back of the infection.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Rifayes 200mg Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Rifayes 200mg Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

SAFE IF PRESCRIBED

Rifayes 200mg Tablet may be safe to use during breastfeeding. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.

Driving

SAFE

Rifayes 200mg Tablet does not usually affect your ability to drive.

Kidney

SAFE IF PRESCRIBED

Rifayes 200mg Tablet is probably safe to use in patients with kidney disease. Limited data suggest dose adjustment may not be needed.

Liver

CAUTION

Rifayes 200mg Tablet should be used with caution in patients with severe liver disease. Dose adjustment may be needed.

Interaction with drugs

Taking Rifayes with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Moderate

Warfarin (Oral Route)

Your doctor may frequently monitor your blood clotting time and adjust the doses of Warfarin accordingly. Rifaximin may reduce the efficacy of Warfarin.

Moderate

Rucaparib (Oral Route)

If concurrent use is essential, your doctor may monitor and adjust the doses as per the observations. Rucaparib may raise blood levels of Rifaximin.

Moderate

Amiodarone (Oral Route)

Watch out for symptoms of Rifaximin side effects such as diarrhea, dizziness, swelling or fatigue and consult your doctor if you experience them. They may adjust the doses as per the observations. Amiodarone may raise blood levels of Rifaximin.

Moderate

Amiodarone (Injection Route)

Moderate

Azithromycin (Oral Route)

Frequently asked questions

For how long should you take Rifayes 200mg Tablet?

The duration for which you may need to take Rifayes 200mg Tablet will depend upon the disease being treated. If it is prescribed for treatment of traveler's diarrhea, it is usually given for 3 days. When given for irritable bowel syndrome, it is usually given for 14 days.

Can Rifayes 200mg Tablet cure IBS?

Taking Rifayes 200mg Tablet can help improve the symptoms and delay the recurrence of the disease. However, it is not sure whether it will cure the disease completely or not. It has been shown that Rifayes 200mg Tablet can help improve the symptoms such as diarrhea, abdominal pain and discomfort. Consult your doctor for exact details on the treatment of IBS.

How long does Rifayes 200mg Tablet take to work for IBS?

Rifayes 200mg Tablet usually starts acting within 24 to 48 hours. The symptoms like diarrhea improve gradually after you start taking this medication. Usually, taking Rifayes 200mg Tablet for 2 weeks relieves the symptoms of IBS. Moreover, it has also been seen that this 2-week course of Rifayes 200mg Tablet provides relief for up to 10 weeks even after stopping the medication.

Fact Box

Chemical Class

Macrolactams

Habit Forming

Therapeutic Class

GASTRO INTESTINAL

Action Class

RNA polymerase inhibitors- Rifamycins

Related lab tests

Culture Stool

Stool Examination R/M

References

Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 1215-16.
Rifaximin. Raleigh, North Carolina: Salix Pharmaceuticals, Inc.; 2014. [Accessed 01 Apr. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). Rifaximin. [Accessed 01 Apr. 2019] (online) Available from:
Robertson KD, Nagalli S. Rifaximin. [Updated 2023 May 22]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023. [Accessed 05 Aug. 2023] (online) Available from:
Rifaximin [Package Insert]. Jammu, Jammu & Kashmir: Torrent Pharmaceuticals Ltd. [Accessed 05 Aug. 2023] (online) Available from:

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Morepen Laboratories Ltd
Address: 409, Antriksh Bhawan, 22 Kasturba Gandhi Marg, New Delhi - 110 001 / AG-82 Basement Ground Floor, Sanjay Gandhi Transport Nagar, North West Delhi-110042

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Rifayes 200mg Tablet

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Rifayes Tablet

Benefits of Rifayes Tablet

Side effects of Rifayes Tablet

How to use Rifayes Tablet

How Rifayes Tablet works

All substitutes for Rifayes 200mg Tablet

Rexigut 200mg Tablet

Rifagut Tablet

Rcifax Tablet

Rifastop 200 Tablet

Rifakem 200 Tablet

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Warfarin (Oral Route)

Rucaparib (Oral Route)

Amiodarone (Oral Route)

Amiodarone (Injection Route)

Azithromycin (Oral Route)

Frequently asked questions

For how long should you take Rifayes 200mg Tablet?

Can Rifayes 200mg Tablet cure IBS?

How long does Rifayes 200mg Tablet take to work for IBS?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Culture Stool

Stool Examination R/M

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests