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Nordys 400 mg

Rifaximin

Nordys 400 mg is used for this medicine is used in the treatment of bacterial infection, gut infection, skin infection and dental infection.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

₹347
Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Rifaximin
Available variants: 400 mg 10`S
Best price: ₹347
Prescription: Required
Manufacturer: MICRO LABS

Ordering notes

Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Nordys 400 mg

Nordys 400 mg contains Rifaximin. It belongs to the Antibacterial agent class of medicines.

Uses of Nordys 400 mg

  • This medicine is used in the treatment of bacterial infection
  • gut infection
  • skin infection and dental infection.

Key benefits

  • Targets infections that other antibiotic groups do not reach

How Nordys 400 mg works

Rifaximin kills or stops the growth of the bacteria causing your infection.

How to take Nordys 400 mg

Use this medicine as your doctor has directed. Follow the dose and the duration written on your prescription.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.

If you take too much

An overdose of this medicine can cause vomiting, severe loose motions and nerve symptoms. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Nordys 400 mg

Most side effects of Nordys are mild and settle as the body adjusts. Reported side effects include:

  • Nausea
  • Metallic taste
  • Loose motions
  • Stomach pain
  • Headache

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Nordys 400 mg

PregnancyConsult your doctor before using this in pregnancy.
BreastfeedingConsult your doctor before using this while breastfeeding.
AlcoholDo not drink alcohol while taking this medicine.
DrivingMay cause drowsiness or affect your concentration. Do not drive until you know how it affects you.
KidneyConsult your doctor if you have kidney disease.
LiverConsult your doctor if you have liver disease.
Habit formingNo

Warnings and precautions

Finish the whole course even after you feel better. Do not drink any alcohol while taking metronidazole, ornidazole or tinidazole, or for the period after the course that your doctor states — the combination causes severe flushing, vomiting and a racing heart. Report severe or watery loose motions during or after the course rather than treating them yourself. Tetracyclines stain developing teeth and are avoided in young children and in pregnancy. Antibiotics do not work against colds, flu or most sore throats, which are caused by viruses.

Do not take Nordys if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack.

Interactions with other medicines

Antacids, iron, zinc and calcium reduce the absorption of tetracyclines — separate them by a couple of hours. Tell your doctor if you take a blood thinner.

How to store Nordys 400 mg

Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.

Expert advice for Nordys 400 mg

Space the doses evenly and complete the course. Take tetracyclines with a full glass of water and stay upright for half an hour afterwards. Never use a leftover antibiotic, or someone else's, for a new illness.

Manufacturer and class

Manufacturer:
MICRO LABS
Therapeutic class:
Antibiotic
Drug class:
Antibacterial agent

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Nordys 400 mg FAQs

What is Nordys 400 mg used for?
Nordys 400 mg is commonly used for This medicine is used in the treatment of bacterial infection, gut infection, skin infection and dental infection. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Nordys 400 mg?
Nordys 400 mg contains Rifaximin. If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Nordys 400 mg?
Use this medicine as your doctor has directed. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Nordys 400 mg work?
Rifaximin kills or stops the growth of the bacteria causing your infection.
Is Nordys 400 mg a prescription medicine?
Yes. Nordys 400 mg is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Nordys 400 mg?
The side effects reported most often with Nordys are Nausea, Metallic taste, Loose motions, Stomach pain, Headache. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Nordys 400 mg be taken during pregnancy?
Consult your doctor before using this in pregnancy. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Nordys.
Can I drink alcohol while taking Nordys 400 mg?
Do not drink alcohol while taking this medicine.
What if I miss a dose of Nordys 400 mg?
Take it as soon as you remember.
Is Nordys 400 mg habit forming?
No. Nordys 400 mg is not known to be habit forming when taken as prescribed.
How much does Nordys 400 mg cost on PingMeDoc Pharmacy?
Nordys 400 mg starts at ₹347 on PingMeDoc Pharmacy. Available in 400 mg 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Nordys 400 mg?
Nordys 400 mg is manufactured by MICRO LABS. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Nordys 400 mg delivered?
Nordys 400 mg is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Nordys 400 mg, Quick facts

Salt
Rifaximin
Best price
₹347
Prescription
Required (Rx)
Brand
MICRO LABS
Manufacturer
MICRO LABS
Therapeutic class
Antibiotic
Drug class
Antibacterial agent
Habit forming
No
Variants
400 mg 10`S
Delivery
Standard across India

References

The information on Nordys 400 mg is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
  2. CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
  3. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  4. National List of Essential Medicines (NLEM) 2022, Government of India.
  5. Manufacturer's package insert / prescribing information for Nordys 400 mg.
  6. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.