Zostum 1.5 g
Zostum 1.5 g is a injection made by Emcure that contains Cefoperazone 1 g + Sulbactam 0.5 g. It combines Cefoperazone: antibiotic injection (cephalosporin) and Sulbactam: antibiotic booster.
| Ingredient (salt) | Amount |
|---|---|
| Cefoperazone | 1 g |
| Sulbactam | 0.5 g |
Cefoperazone
What it is used for
Treats serious bacterial infections in hospital; given by injection.
How it works
A third-generation cephalosporin antibiotic injection, usually combined with sulbactam, for serious abdominal, urinary and chest infections.
How to take it
Given into a vein or muscle by a health professional, usually in hospital.
Common side effects
- Diarrhoea
- Rash
- Pain at injection site
Get medical help straight away if
- Bleeding or bruising (it can affect clotting)
- Severe diarrhoea
- Allergic reaction
Be careful
Avoid alcohol; given by a health professional.
Other medicines and interactions
Do not drink alcohol during and for 3 days after (flushing reaction). Can strengthen warfarin.
Pregnancy and breastfeeding
Used in pregnancy when needed; acceptable while breastfeeding.
Sulbactam
What it is used for
Protects the main antibiotic from bacteria that would otherwise destroy it.
How it works
A beta-lactamase blocker that protects cephalosporins and penicillins from bacterial enzymes; combined with cefoperazone or ampicillin.
How to take it
Given into a vein or muscle by a health professional, usually in hospital.
Common side effects
- Diarrhoea
- Rash
Get medical help straight away if
- Severe diarrhoea
- Allergic reaction
Be careful
Given by a health professional.
Other medicines and interactions
As for the partner antibiotic.
Pregnancy and breastfeeding
Used in pregnancy when needed.
Same composition, other brands (1)
Ask your doctor or pharmacist before switching brands.
Common questions
What is Zostum 1.5 g?
Zostum 1.5 g is a injection by Emcure containing Cefoperazone 1 g + Sulbactam 0.5 g.
What is Zostum 1.5 g used for?
Treats serious bacterial infections in hospital; given by injection. Protects the main antibiotic from bacteria that would otherwise destroy it.
How should I take Zostum 1.5 g?
Given into a vein or muscle by a health professional, usually in hospital. Given into a vein or muscle by a health professional, usually in hospital. Always follow the dose your doctor or the pack gives.
What are the side effects of Zostum 1.5 g?
Common side effects include: Diarrhoea, rash, pain at injection site, Diarrhoea, rash. Get medical help straight away for: Bleeding or bruising (it can affect clotting), severe diarrhoea, allergic reaction, Severe diarrhoea, allergic reaction.
Does Zostum 1.5 g need a prescription?
Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.
Can I take Zostum 1.5 g in pregnancy or while breastfeeding?
Used in pregnancy when needed; acceptable while breastfeeding. Used in pregnancy when needed.
What are the substitutes for Zostum 1.5 g?
Brands with the same composition: Magnex 1.5 g. Ask your doctor or pharmacist before switching.
Sources and further reading
- Cefoperazone: NHS · MedlinePlus
- Sulbactam: NHS · MedlinePlus
NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.
Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.
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