Zidnex 1000mg Injection

by Nexus India · Injection Schedule H
Generic Name Ceftazidime
Drug Class Cephalosporin antibiotic
Route Intravenous
Habit Forming No
Prescription Required (Rx)
Strengths 1000mg
MRP
₹158.00
vial of 1 Injection

About Zidnex 1000mg Injection

Zidnex 1000mg Injection contains the active ingredient Ceftazidime, which belongs to a class of antibiotics known as cephalosporins. It is used to treat a wide variety of bacterial infections, including those affecting the lungs, skin, abdomen, urinary tract, bones, and joints. This medication is typically administered in a hospital setting by a healthcare professional. Patients who have been diagnosed with bacterial infections and require intravenous antibiotic treatment may be prescribed this medication.

Clinical Uses

  • Pneumonia — A lung infection that can cause cough, fever, and difficulty breathing.
  • Urinary Tract Infections — Infections affecting the bladder and kidneys.
  • Skin Infections — Bacterial infections affecting the skin and soft tissues.
  • Abdominal Infections — Infections within the abdominal cavity.
  • Bone and Joint Infections — Infections affecting bones and joints.

Uses & Indications

Primary Uses

Treatment of severe bacterial infections.

Treatment of hospital-acquired infections.

Secondary Uses

Prophylaxis in surgical procedures to prevent infections.

Off-label Uses

May be used in combination with other antibiotics for complex infections.

How It Works (Mechanism of Action)

Zidnex 1000mg Injection works by stopping the growth of bacteria. It does this by interfering with the bacteria's cell wall formation, which is essential for their survival.

Scientifically, Ceftazidime binds to specific penicillin-binding proteins (PBPs) inside the bacterial cell wall, inhibiting the final transpeptidation step of peptidoglycan synthesis, which is necessary for bacterial cell wall integrity. This leads to cell lysis and death of the bacteria.

Key Benefits

  • Effective Against Resistant Bacteria — Useful in treating infections caused by bacteria resistant to other antibiotics.
  • Broad Spectrum — Effective against a wide range of bacteria.
  • Rapid Action — Quickly reduces bacterial load in severe infections.

How Long Does It Take to Work?

Initial improvement in symptoms can be seen within a few days of starting treatment. The full course of treatment usually lasts 7 to 14 days, depending on the type and severity of the infection. If there is no improvement within 3 to 5 days, consult your doctor.

How to Use

Ensure the injection is administered by a healthcare professional.

The injection is given into a vein (intravenous) over a period of time.

Follow the dosage schedule as prescribed by your doctor.

Do not self-administer this medication.

Dosage Guidelines

Adult Dose

Typically 1g to 2g every 8 to 12 hours, depending on the infection.

Pediatric Dose

Dose is based on body weight and the type of infection.

Elderly

Dosage may need adjustment based on kidney function.

Administration Instructions

Administered intravenously by a healthcare professional.

Missed Dose

If you miss a dose, contact your healthcare provider immediately. Do not double the dose to make up for the missed one.

Overdose Warning

In case of overdose, symptoms may include seizures, confusion, and kidney problems. Seek immediate medical attention or contact emergency services.

Side Effects

Common Side Effects

Nausea

Diarrhea

Injection site reactions

Less Common Side Effects

Headache

Dizziness

Serious Side Effects

Severe allergic reactions

Seizures

Kidney problems

When to Seek Immediate Medical Attention

Signs of an allergic reaction such as rash, itching, or swelling.

Difficulty breathing or swallowing.

Contraindications — Who Should Not Use This Medicine

  • Allergy to Cephalosporins — Patients with a known allergy should not use this medication.
  • Severe Renal Impairment — Use with caution and under medical supervision.

Warnings & Precautions

🤰 Pregnancy
Pregnancy Category B. Zidnex 1000mg Injection should be used during pregnancy only if clearly needed and prescribed by a doctor.
🤱 Breastfeeding
Ceftazidime is excreted in breast milk in small amounts. Consult your doctor before using this medication while breastfeeding.
👶 Children
Safe for use in children when prescribed by a doctor. Dosage is determined based on body weight and type of infection.
🧓 Elderly
Elderly patients may require dosage adjustments based on kidney function. Use under medical supervision.
🫘 Kidney Disease
Dosage adjustment is necessary for patients with renal impairment. Regular monitoring of kidney function is advised.
🫁 Liver Disease
Generally safe for use in patients with liver impairment. No specific dose adjustment is usually required.
❤️ Heart Disease
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💉 Diabetes
No specific warnings for diabetic patients. Monitor blood sugar levels as advised by your doctor.
🩸 Hypertension
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🍷 Alcohol
There are no known interactions with alcohol, but it is advisable to avoid alcohol to prevent any potential side effects.
🚗 Driving
Zidnex 1000mg Injection does not typically affect the ability to drive or operate machinery.
🚬 Smoking
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Drug Interactions

Drug-Drug Interactions

Aminoglycosides

Diuretics

Food Interactions

No significant food interactions.

Alcohol Interactions

No known interactions with alcohol.

Disease Interactions

Renal impairment

Seizure disorders

Storage Instructions

Store at room temperature (15-25°C).

Keep away from moisture and light.

Keep out of reach of children.

Check the expiry date before use.

Expert Advice

Clinical Tips

Complete the full course of treatment as prescribed.

Inform your doctor of any allergies before starting treatment.

Report any unusual side effects to your healthcare provider.

Do not self-administer; ensure it is given by a healthcare professional.

Keep all medical appointments for monitoring during treatment.

Maintain good hydration during treatment.

Inform your doctor of any other medications you are taking.

Do not stop the medication abruptly without consulting your doctor.

Substitute Medicines

Same composition, different brands. Always consult your doctor before switching.

Frequently Asked Questions

What should I do if I miss a dose?
If you miss a dose of Zidnex, contact your healthcare provider for instructions on what to do next.
Can I stop taking Zidnex if I feel better?
No, you should complete the full course of Zidnex as prescribed, even if you feel better, to ensure the infection is fully treated.
What should I tell my doctor before starting Zidnex?
Inform your doctor about any allergies, current medications, and any medical conditions, especially kidney issues.

Sources

The information on this page about Zidnex 1000mg Injection has been compiled and verified using the following authoritative medical sources and references. This content is AI-assisted and cross-checked against published clinical and pharmacological literature.

  1. Manufacturer – Zidnex 1000mg Injection Prescribing Information and Product Monograph
  2. NHSCeftazidime: Uses, Side Effects, and More
  3. Mayo ClinicCeftazidime (Injection Route)
  4. MedlinePlusCeftazidime Injection
  5. DailyMedCeftazidime - FDA Prescribing Information
Last Updated12 Jun 2026
Content Generated12 Jun 2026
⚕️ Medical Disclaimer This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist before starting, stopping, or changing any medication. Prices shown are indicative MRP and may vary.
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