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Prescription requiredZuventus Healthcare LtdAntibiotic

Zostum 3 g Injection

Cefoperazone + Sulbactam

Zostum 3 g Injection is used for this medicine is used in the treatment of bacterial infection, chest infection, urinary infection, ear and throat infection, typhoid, throat infection and skin infection.

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

₹965
Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Cefoperazone + Sulbactam
Available variants: injection 3 gm VIAL
Best price: ₹965
Prescription: Required
Manufacturer: ZUVENTUS HEALTHCARE 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

Composition of Zostum 3 g Injection

Zostum 3 g Injection contains Cefoperazone + Sulbactam. It belongs to the Cephalosporin and Penicillin class of medicines.

Uses of Zostum 3 g Injection

  • This medicine is used in the treatment of bacterial infection
  • chest infection
  • urinary infection
  • ear and throat infection
  • typhoid
  • throat infection and skin infection.

Key benefits

  • Effective against a wide range of bacteria
  • Available as tablets
  • syrups and injections
  • Long-established and effective
  • Works against a wide range of common infections

How Zostum 3 g Injection works

This medicine combines 2 active ingredients: Cefoperazone and Sulbactam. Cefoperazone kills the bacteria causing your infection by destroying the cell wall that holds them together. Sulbactam kills the bacteria causing your infection by breaking down the wall they need to survive.

How to take Zostum 3 g Injection

This is given by a doctor or a nurse. Do not attempt to inject it yourself unless you have been trained and told to. 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 Zostum 3 g Injection

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

  • Loose motions
  • Nausea
  • Stomach pain
  • Rash
  • Thrush
  • Vomiting

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 Zostum 3 g Injection

PregnancyConsult your doctor before using this in pregnancy.
BreastfeedingConsult your doctor before using this while breastfeeding.
AlcoholAlcohol may worsen the side effects of this medicine. Limit it.
DrivingNot expected to affect your ability to drive.
KidneyConsult your doctor if you have kidney disease.
LiverUse with caution if you have liver disease — your doctor may adjust the dose or monitor your liver function.
Habit formingNo

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. Finish the whole course even after you feel better. Stopping early lets the strongest bacteria survive, and they are the ones that come back resistant. Stop and seek emergency care for swelling of the face or throat, difficulty breathing, or a widespread rash — a penicillin allergy can be serious. Tell every doctor and pharmacist if you have ever reacted to penicillin. Tell your doctor if loose motions become severe or watery, or continue after the course — this needs attention rather than an anti-diarrhoeal. Antibiotics do not work against colds, flu or most sore throats, which are caused by viruses.

Do not take Zostum 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. Not for anyone with a known penicillin allergy.

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. May reduce the reliability of the oral contraceptive pill if you have vomiting or loose motions — use additional precautions during the course. Tell your doctor if you take methotrexate or a blood thinner.

How to store Zostum 3 g Injection

Store as printed on the carton — some injections need refrigeration and must not be frozen. Keep out of the reach of children.

Expert advice for Zostum 3 g Injection

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. Space the doses evenly through the day so the level stays steady. Take a probiotic a few hours apart if loose motions trouble you, and drink plenty of fluids. Never use a leftover antibiotic, or someone else's, for a new illness.

Manufacturer and class

Manufacturer:
ZUVENTUS HEALTHCARE LTD`
Therapeutic class:
Antibiotic
Drug class:
Cephalosporin and Penicillin

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Zostum 3 g Injection FAQs

What is Zostum 3 g Injection used for?
Zostum 3 g Injection is commonly used for This medicine is used in the treatment of bacterial infection, chest infection, urinary infection, ear and throat infection, typhoid, throat infection and skin 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 Zostum 3 g Injection?
Zostum 3 g Injection contains Cefoperazone + Sulbactam. 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 Zostum 3 g Injection?
This is given by a doctor or a nurse. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Zostum 3 g Injection work?
This medicine combines 2 active ingredients: Cefoperazone and Sulbactam.
Is Zostum 3 g Injection a prescription medicine?
Yes. Zostum 3 g Injection 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 Zostum 3 g Injection?
The side effects reported most often with Zostum 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 Zostum 3 g Injection 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 Zostum.
Can I drink alcohol while taking Zostum 3 g Injection?
Alcohol may worsen the side effects of this medicine.
What if I miss a dose of Zostum 3 g Injection?
Take it as soon as you remember.
Is Zostum 3 g Injection habit forming?
No. Zostum 3 g Injection is not known to be habit forming when taken as prescribed.
How much does Zostum 3 g Injection cost on PingMeDoc Pharmacy?
Zostum 3 g Injection starts at ₹965 on PingMeDoc Pharmacy. Available in injection 3 gm VIAL. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Zostum 3 g Injection?
Zostum 3 g Injection is manufactured by ZUVENTUS HEALTHCARE LTD`. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Zostum 3 g Injection delivered?
Zostum 3 g Injection 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.

Zostum 3 g Injection, Quick facts

Salt
Cefoperazone + Sulbactam
Form
injection
Best price
₹965
Prescription
Required (Rx)
Brand
Zuventus Healthcare Ltd
Manufacturer
ZUVENTUS HEALTHCARE LTD`
Therapeutic class
Antibiotic
Drug class
Cephalosporin and Penicillin
Habit forming
No
Variants
injection 3 gm VIAL
Delivery
Standard across India

References

The information on Zostum 3 g Injection 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 Zostum 3 g Injection.
  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.