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Prescription requiredAristo Pharmaceuticals Pvt LtdAntibiotic
Mero-O ER 300 mg Tablet
Faropenem (300mg)
₹1,234MRP ₹1,299In stock
Delivery across India. Free above ₹999; ₹49 from ₹499, ₹99 below. Chennai express delivery is chargeable.
This medicine needs a prescription.
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Mero-O ER 300 mg Tablet 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
Licensed pharmacyPharmacist-verified orderDelivered across India
Key details
Salt: Faropenem (300mg)
Available variants: tablet 300 mg 10`S
Best price: ₹1,234 (₹123.41 per tablet)
MRP: ₹1,299
Prescription: Required
Manufacturer: ARISTO PHARMACEUTICALS PVT LTD
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
Same salt, lower price
Medicines with the same active ingredient and strength as Mero-O ER 300 mg Tablet.
You are viewing
Mero-O ER 300 mg Tablet
tablet - 300 mg - 10 S
₹1,234
₹123.41 per tablet
- Faropenac-300ER Tab
LIVIDUS PHARMACEUTICALS PVT LTD.` · tablet - 300mg - 6 S · Rx
Save 13%₹646
₹107.67 per tablet
- Faronac-300 ER Tab
MICRO LABS · tablet - 300mg - 10 S · Rx
Save 11%₹1,098
₹109.81 per tablet
- Ulopen Tab
Samarth Life Sciences Pvt Ltd · tablet - 300mg - 6 S · Rx
₹731
₹121.91 per tablet
Same salt, different brand — what does that mean?
A substitute contains the same active ingredient (salt), in the same strength, as Mero-O ER 300 mg Tablet. The medicine inside is the same — the brand name, manufacturer and price are what differ.
All medicines sold in India, branded or generic, must meet the quality standards set by the national drug regulator (CDSCO). A lower price does not mean lower quality.
Please confirm with your doctor or pharmacist before switching brands — they will check that the strength and form match your prescription.
Composition of Mero-O ER 300 mg Tablet
Mero-O ER 300 mg Tablet contains Faropenem (300mg). It belongs to the Antibacterial agent class of medicines.
Uses of Mero-O ER 300 mg Tablet
- 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 Mero-O ER 300 mg Tablet works
Faropenem kills or stops the growth of the bacteria causing your infection.
How to take Mero-O ER 300 mg 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 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 Mero-O ER 300 mg Tablet
Most side effects of Mero-O ER 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 Mero-O ER 300 mg Tablet
| Pregnancy | Consult your doctor before using this in pregnancy. |
|---|---|
| Breastfeeding | Consult your doctor before using this while breastfeeding. |
| Alcohol | Do not drink alcohol while taking this medicine. |
| Driving | May cause drowsiness or affect your concentration. Do not drive until you know how it affects you. |
| Kidney | Consult your doctor if you have kidney disease. |
| Liver | Consult your doctor if you have liver disease. |
| Habit forming | No |
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 Mero-O ER 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 Mero-O ER 300 mg 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 Mero-O ER 300 mg Tablet
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:
- ARISTO PHARMACEUTICALS PVT LTD
- Therapeutic class:
- Antibiotic
- Drug class:
- Antibacterial agent
Substitutes for Mero-O ER 300 mg Tablet
Medicines with the same active ingredient (Faropenem (300mg)). Ask your doctor or pharmacist before switching brands.
| Medicine | Pack | Price | vs Mero-O ER 300 mg Tablet |
|---|---|---|---|
| Faropenac-300ER TabletLIVIDUS PHARMACEUTICALS PVT LTD.` | tablet · 6`S | ₹646 | 48% cheaper |
| Ulopen TabletSamarth Life Sciences Pvt Ltd | tablet · 6`S | ₹731 | 41% cheaper |
| Faronac-300 ER TabletMICRO LABS | tablet · 10`S | ₹1,098 | 11% cheaper |
| Farotive-300 ER TabletKOYE PHARMA | tablet · 10`S | ₹1,223 | 1% cheaper |
| Faroright 300 mg ER TabletSUN PHARMA 2 | tablet · 10`S | ₹1,269 | 3% more |
| Exfaro 300 mg TabletIntas Pharmaceuticals Ltd | tablet · 10`S | ₹1,334 | 8% more |
| Farokaa 300 ER TabletTROIKAA PHARMACEUTICALS` | tablet · 10`S | ₹1,346 | 9% more |
| Duonem ER 300 mg TabletZYDUS HEALTHCARE PHARMA | tablet · 10`S | ₹1,654 | 34% more |
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Mero-O ER 300 mg Tablet FAQs
What is Mero-O ER 300 mg Tablet used for?
Mero-O ER 300 mg Tablet 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 Mero-O ER 300 mg Tablet?
Mero-O ER 300 mg Tablet contains Faropenem (300mg). 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 Mero-O ER 300 mg 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 Mero-O ER 300 mg Tablet work?
Faropenem kills or stops the growth of the bacteria causing your infection.
Is Mero-O ER 300 mg Tablet a prescription medicine?
Yes. Mero-O ER 300 mg 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 Mero-O ER 300 mg Tablet?
The side effects reported most often with Mero-O ER 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 Mero-O ER 300 mg 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 Mero-O ER.
Can I drink alcohol while taking Mero-O ER 300 mg Tablet?
Do not drink alcohol while taking this medicine.
What if I miss a dose of Mero-O ER 300 mg Tablet?
Take it as soon as you remember.
Is Mero-O ER 300 mg Tablet habit forming?
No. Mero-O ER 300 mg Tablet is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Mero-O ER 300 mg Tablet?
Faropenac-300ER Tablet has the same active ingredient and strength and is listed from ₹646 on PingMeDoc Pharmacy. Ask your doctor or pharmacist before switching brands, the salt is the same, but excipients and release profiles can differ.
How much does Mero-O ER 300 mg Tablet cost on PingMeDoc Pharmacy?
Mero-O ER 300 mg Tablet starts at ₹1,234 (MRP ₹1,299) on PingMeDoc Pharmacy. Available in tablet 300 mg 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Mero-O ER 300 mg Tablet?
Mero-O ER 300 mg Tablet is manufactured by ARISTO PHARMACEUTICALS PVT LTD. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Mero-O ER 300 mg Tablet delivered?
Mero-O ER 300 mg 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.
Mero-O ER 300 mg Tablet, Quick facts
- Salt
- Faropenem (300mg)
- Form
- tablet
- Best price
- ₹1,234 (₹123.41 per tablet)
- MRP
- ₹1,299
- Prescription
- Required (Rx)
- Brand
- ARISTO PHARMACEUTICALS PVT LTD
- Manufacturer
- ARISTO PHARMACEUTICALS PVT LTD
- Therapeutic class
- Antibiotic
- Drug class
- Antibacterial agent
- Habit forming
- No
- Variants
- tablet 300 mg 10`S
- Delivery
- Standard across India
References
The information on Mero-O ER 300 mg 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 Mero-O ER 300 mg 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.