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Prescription requiredSun PharmaAntibiotic
Zanocin OD 400 mg
Ofloxacin (400mg)
₹249MRP ₹2625% offIn stock
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Zanocin OD 400 mg is used for bacterial infections such as respiratory tract infections (acute bronchitis, pneumonia), urinary tract infections, and other susceptible infections as prescribed by a doctor.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Licensed pharmacyPharmacist-verified orderDelivered across India
Key details
Salt: Ofloxacin (400mg)
Available variants: 400 mg 5`S
Best price: ₹249
MRP: ₹262
Prescription: Required
Manufacturer: SUN PHARMA 2
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 Zanocin OD 400 mg
Zanocin OD 400 mg contains Ofloxacin (400mg). It belongs to the Fluoroquinolone antibiotic class of medicines.
Uses of Zanocin OD 400 mg
- Bacterial infections such as respiratory tract infections (acute bronchitis
- pneumonia)
- urinary tract infections
- and other susceptible infections as prescribed by a doctor
Key benefits
- Treats susceptible bacterial infections
- Once-daily dosing improves adherence
- Broad-spectrum coverage
- Helps relieve infection symptoms by eliminating bacteria
How Zanocin OD 400 mg works
Ofloxacin is a fluoroquinolone antibiotic. It inhibits bacterial DNA gyrase and topoisomerase IV, blocking DNA replication and leading to bacterial death.
How to take Zanocin OD 400 mg
Take by mouth once daily or as prescribed. Swallow whole; do not crush/chew (OD/ER tablet). Can be taken with or without food; take at the same time each day. Avoid taking with milk/antacids/iron/calcium/zinc within 2 hours before or after the dose.
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
If you miss a dose of Zanocin OZ Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
If you take too much
An overdose of this medicine can cause kidney injury, fits and heart rhythm disturbance. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Side effects of Zanocin OD 400 mg
Most side effects of Zanocin OD are mild and settle as the body adjusts. Reported side effects include:
- Nausea
- diarrhoea
- abdominal pain
- headache
- dizziness
- insomnia
- skin rash
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 Zanocin OD 400 mg
| Pregnancy | Use with caution / Consult doctor (generally avoided unless clearly needed) |
|---|---|
| Breastfeeding | Breast feeding UNSAFE |
| Alcohol | Use with caution (may increase dizziness; avoid if it worsens side effects) |
| Driving | Driving UNSAFE |
| Kidney | Kidney CAUTION |
| Liver | Liver CAUTION |
| Habit forming | No |
Warnings and precautions
Use only for bacterial infections; not effective for viral illness. Stop and seek medical help if tendon pain/swelling, severe diarrhoea, allergic reaction, numbness/tingling, seizures, or severe mood changes occur (fluoroquinolone class risks: tendinitis/tendon rupture, peripheral neuropathy, CNS effects). Use with caution in elderly, kidney disease (dose adjustment may be needed), epilepsy/seizure disorders, myasthenia gravis (may worsen weakness), and patients with QT prolongation/heart rhythm disorders. Avoid excessive sunlight/UV exposure (photosensitivity). Complete the full course; do not self-medicate.
Do not take Zanocin OD if
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Generally avoided in children and adolescents, in pregnancy, and in anyone with a history of tendon problems with these antibiotics.
Interactions with other medicines
Antacids containing aluminium/magnesium,sucralfate,iron salts,zinc/calcium supplements (reduced absorption),warfarin/other anticoagulants (increased bleeding risk),antiarrhythmics/QT-prolonging drugs (e.g. amiodarone,sotalol,macrolides,antipsychotics),NSAIDs (increased seizure risk),corticosteroids (increased tendon rupture risk),antidiabetic drugs (risk of hypo/hyperglycaemia)
How to store Zanocin OD 400 mg
Store below 25°C in a dry place. Protect from light and moisture. Keep out of reach of children.
Expert advice for Zanocin OD 400 mg
Complete the full course of Zanocin OZ Tablet exactly as advised, even if you start feeling better. Take Zanocin OZ Tablet with water and maintain adequate hydration, especially if diarrhea is present. Avoid alcohol while taking Zanocin OZ Tablet and for some time after completing the course, as it may cause severe reactions and worsen side effects. Avoid taking antacids or mineral supplements close to the dose of Zanocin OZ Tablet unless advised by your doctor, as they may reduce its absorption. Seek medical advice if you develop severe diarrhea, bloody stools, or high fever. Stop taking Zanocin OZ Tablet and seek medical help if you develop rash, swelling, breathing difficulty, or signs of allergic reaction. Inform your doctor if you have kidney disease, seizures, or heart rhythm problems before taking Zanocin OZ Tablet. Report symptoms such as tendon pain, numbness, tingling, palpitations, or severe dizziness promptly. Consult your doctor if symptoms do not improve within 2–3 days of starting Zanocin OZ Tablet. Inform your doctor if you are pregnant, planning pregnancy, or breastfeeding before taking Zanocin OZ Tablet.
Manufacturer and class
- Manufacturer:
- SUN PHARMA 2
- Therapeutic class:
- Antibiotic
- Drug class:
- Fluoroquinolone antibiotic
- Chemical class:
- Quinoline carboxylic acids
Substitutes for Zanocin OD 400 mg
Medicines with the same active ingredient (Ofloxacin (400mg)). Ask your doctor or pharmacist before switching brands.
| Medicine | Pack | Price | vs Zanocin OD 400 mg |
|---|---|---|---|
| Zenflox-400MANKIND (PHARMA) | 10`S | ₹162 | 35% cheaper |
| Onoff 400 mg Tablet | 1X10 | ₹163 | 34% cheaper |
| Oflomac 400 TabletMacleods Pharmaceuticals Pvt Ltd | tablet · 10 Tablet | ₹187 | 25% cheaper |
| Oflin 400 mg TabletZYDUS HEALTHCARE PHARMA | tablet · 10`S | ₹245 | 2% cheaper |
| Oflochem 400 mg Tablet | 1 | ₹269 | 8% more |
| Zanocin DS 400 mgSUN PHARMA 2 | 10`S | ₹281 | 13% more |
| Oflox 400CIPLA LIMITED | 10`S | ₹381 | 53% more |
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Zanocin OD 400 mg FAQs
What is Zanocin OD 400 mg used for?
Zanocin OD 400 mg is commonly used for Bacterial infections such as respiratory tract infections (acute bronchitis, pneumonia), urinary tract infections, and other susceptible infections as prescribed by a doctor. 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 Zanocin OD 400 mg?
Zanocin OD 400 mg contains Ofloxacin (400mg). 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 Zanocin OD 400 mg?
Take by mouth once daily or as prescribed. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Zanocin OD 400 mg work?
Ofloxacin is a fluoroquinolone antibiotic.
Is Zanocin OD 400 mg a prescription medicine?
Yes. Zanocin OD 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 Zanocin OD 400 mg?
The side effects reported most often with Zanocin OD are Nausea, diarrhoea, abdominal pain, headache, dizziness. 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 Zanocin OD 400 mg be taken during pregnancy?
Use with caution / Consult doctor (generally avoided unless clearly needed) Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Zanocin OD.
Can I drink alcohol while taking Zanocin OD 400 mg?
Use with caution (may increase dizziness; avoid if it worsens side effects)
What if I miss a dose of Zanocin OD 400 mg?
If you miss a dose of Zanocin OZ Tablet, take it as soon as possible.
Is Zanocin OD 400 mg habit forming?
No. Zanocin OD 400 mg is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Zanocin OD 400 mg?
Zenflox-400 has the same active ingredient and strength and is listed from ₹162 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 Zanocin OD 400 mg cost on PingMeDoc Pharmacy?
Zanocin OD 400 mg starts at ₹249 (MRP ₹262) on PingMeDoc Pharmacy. Available in 400 mg 5`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Zanocin OD 400 mg?
Zanocin OD 400 mg is manufactured by SUN PHARMA 2. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Zanocin OD 400 mg delivered?
Zanocin OD 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.
Zanocin OD 400 mg, Quick facts
- Salt
- Ofloxacin (400mg)
- Best price
- ₹249
- MRP
- ₹262
- Prescription
- Required (Rx)
- Schedule
- Schedule H
- Brand
- SUN PHARMA 2
- Manufacturer
- SUN PHARMA 2
- Therapeutic class
- Antibiotic
- Drug class
- Fluoroquinolone antibiotic
- Chemical class
- Quinoline carboxylic acids
- Action class
- Bacterial DNA Replication Inhibitors- Quinolones/ Fluroquinolones
- Habit forming
- No
- Variants
- 400 mg 5`S
- Delivery
- Standard across India
References
Compiled from the manufacturer's prescribing information and the sources below, and reviewed by a registered medical practitioner. It does not replace your own doctor's advice.
- Manufacturer labeling/pack information,CDSCO drug information,established medical literature (fluoroquinolones),standard pharmacology references
- 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 Zanocin OD 400 mg.
- 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.