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Prescription requiredAristo Pharmaceuticals Pvt LtdAntibiotic
Omnicef O 400 Tablet
Cefixime
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Omnicef O 400 Tablet is used for this medicine is used in the treatment of bacterial infection, chest infection, urinary infection, ear and throat infection and typhoid.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Licensed pharmacyPharmacist-verified order
Key details
Salt: Cefixime
Available variants: tablet 10`S
Best price: ₹200 (₹20.04 per tablet)
MRP: ₹211
Prescription: Required
Manufacturer: ARISTO PHARMACEUTICALS PVT LTD
Ordering notes
Delivery details are shown when the medicine is back in stock.
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy
Composition of Omnicef O 400 Tablet
Omnicef O 400 Tablet contains Cefixime. It belongs to the Cephalosporin class of medicines.
Uses of Omnicef O 400 Tablet
- This medicine is used in the treatment of bacterial infection
- chest infection
- urinary infection
- ear and throat infection and typhoid.
Key benefits
- Effective against a wide range of bacteria
- Available as tablets
- syrups and injections
How Omnicef O 400 Tablet works
Cefixime kills the bacteria causing your infection by destroying the cell wall that holds them together.
How to take Omnicef O 400 Tablet
Swallow the tablet whole with a glass of water. Do not chew, crush or break it unless your doctor has told you to. Take it with or just after food. Taking it at about the same time each day helps you remember. 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, rarely, fits. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Side effects of Omnicef O 400 Tablet
Most side effects of Omnicef O are mild and settle as the body adjusts. Reported side effects include:
- Loose motions
- Nausea
- Stomach pain
- Rash
- Thrush
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 Omnicef O 400 Tablet
| Pregnancy | Consult your doctor before using this in pregnancy. |
|---|---|
| Breastfeeding | Consult your doctor before using this while breastfeeding. |
| Alcohol | Alcohol may worsen the side effects of this medicine. Limit it. |
| Driving | Not expected to affect your ability to drive. |
| Kidney | Consult your doctor if you have kidney disease. |
| Liver | Use with caution if you have liver disease — your doctor may adjust the dose or monitor your liver function. |
| Habit forming | No |
Warnings and precautions
Finish the whole course even after you feel better — stopping early breeds resistant bacteria. Tell your doctor if you have ever had a severe reaction to penicillin; a small proportion of people react to both groups. Report severe or watery loose motions during or after the course rather than treating them yourself. Several medicines in this group are on Schedule H1 precisely because overuse drives antibiotic resistance. Take it only when a doctor has prescribed it for you.
Do not take Omnicef O if
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for anyone with a known allergy to cephalosporin antibiotics.
Interactions with other medicines
Antacids, iron and zinc reduce absorption — separate them by a couple of hours. Tell your doctor if you take a blood thinner.
How to store Omnicef O 400 Tablet
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
Expert advice for Omnicef O 400 Tablet
Space the doses evenly and complete the course. Keep the reconstituted syrup as the pharmacist instructed and discard it after the stated number of days.
Manufacturer and class
- Manufacturer:
- ARISTO PHARMACEUTICALS PVT LTD
- Therapeutic class:
- Antibiotic
- Drug class:
- Cephalosporin
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Omnicef O 400 Tablet FAQs
What is Omnicef O 400 Tablet used for?
Omnicef O 400 Tablet is commonly used for This medicine is used in the treatment of bacterial infection, chest infection, urinary infection, ear and throat infection and typhoid. 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 Omnicef O 400 Tablet?
Omnicef O 400 Tablet contains Cefixime. 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 Omnicef O 400 Tablet?
Swallow the tablet whole with a glass of water. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Omnicef O 400 Tablet work?
Cefixime kills the bacteria causing your infection by destroying the cell wall that holds them together.
Is Omnicef O 400 Tablet a prescription medicine?
Yes. Omnicef O 400 Tablet 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 Omnicef O 400 Tablet?
The side effects reported most often with Omnicef O are Loose motions, Nausea, Stomach pain, Rash, Thrush. 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 Omnicef O 400 Tablet 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 Omnicef O.
Can I drink alcohol while taking Omnicef O 400 Tablet?
Alcohol may worsen the side effects of this medicine.
What if I miss a dose of Omnicef O 400 Tablet?
Take it as soon as you remember.
Is Omnicef O 400 Tablet habit forming?
No. Omnicef O 400 Tablet is not known to be habit forming when taken as prescribed.
How much does Omnicef O 400 Tablet cost on PingMeDoc Pharmacy?
Omnicef O 400 Tablet starts at ₹200 (MRP ₹211) on PingMeDoc Pharmacy. Available in tablet 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Omnicef O 400 Tablet?
Omnicef O 400 Tablet is manufactured by ARISTO PHARMACEUTICALS PVT LTD. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Omnicef O 400 Tablet delivered?
Omnicef O 400 Tablet 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.
Omnicef O 400 Tablet, Quick facts
- Salt
- Cefixime
- Form
- tablet
- Best price
- ₹200 (₹20.04 per tablet)
- MRP
- ₹211
- Prescription
- Required (Rx)
- Brand
- ARISTO PHARMACEUTICALS PVT LTD
- Manufacturer
- ARISTO PHARMACEUTICALS PVT LTD
- Therapeutic class
- Antibiotic
- Drug class
- Cephalosporin
- Habit forming
- No
- Variants
- tablet 10`S
- Delivery
- Standard across India
References
The information on Omnicef O 400 Tablet 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.
- PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
- CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
- Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
- National List of Essential Medicines (NLEM) 2022, Government of India.
- Manufacturer's package insert / prescribing information for Omnicef O 400 Tablet.
- 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.