Zelcef 1000mg Injection

by Zelnic Biotech Pvt Ltd · Injection Schedule H
Generic Name Ceftriaxone
Drug Class Cephalosporin antibiotic
Route Intravenous / Intramuscular
Habit Forming No
Prescription Required (Rx)
Strengths 1000mg
MRP
₹67.00
vial of 1 Injection

About Zelcef 1000mg Injection

Zelcef 1000mg Injection contains the active ingredient Ceftriaxone, which is a type of antibiotic known as a cephalosporin. It is used to treat a wide range of bacterial infections, including those affecting the lungs, urinary tract, skin, and brain. This medication is typically administered by a healthcare professional in a hospital or clinic setting. It is important for patients to complete the full course of treatment even if they start feeling better to ensure the infection is fully cleared.

Clinical Uses

  • Bacterial Meningitis — An infection of the protective membranes covering the brain and spinal cord.
  • Pneumonia — A lung infection that can cause cough, fever, and difficulty breathing.
  • Urinary Tract Infections — Infections that affect the bladder, kidneys, and the tubes connected to them.
  • Skin and Soft Tissue Infections — Infections involving the skin and underlying tissues.

Uses & Indications

Primary Uses

Treatment of severe bacterial infections

Prevention of infections during surgery

Secondary Uses

Infections in immunocompromised patients

Off-label Uses

Lyme disease

How It Works (Mechanism of Action)

Ceftriaxone works by interfering with the bacteria's cell wall formation. This weakens the cell wall, causing it to rupture and ultimately leading to the death of the bacteria.

Scientifically, Ceftriaxone binds to penicillin-binding proteins in the bacterial cell wall, inhibiting the final transpeptidation step of peptidoglycan synthesis. This action prevents the bacteria from forming a functional cell wall, leading to cell lysis and death.

Key Benefits

  • Broad-Spectrum Activity — Effective against a wide variety of bacteria.
  • Once-Daily Dosing — Convenient dosing schedule for patients and healthcare providers.
  • Rapid Action — Quickly reduces bacterial load and symptoms.

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 severity of the infection. If there is no improvement after a few days, or if symptoms worsen, it is important to contact your doctor.

How to Use

Ensure the injection is administered by a healthcare professional.

Follow the dosage and schedule prescribed by your doctor.

Do not skip doses or stop the treatment early without consulting your doctor.

Dosage Guidelines

Adult Dose

  • 1-2 grams once daily, depending on the infection severity.

Pediatric Dose

  • 20-80 mg/kg once daily, depending on the child's weight and infection type.

Elderly

Same as adult dose, but with close monitoring for kidney function.

Administration Instructions

Administered via intravenous or intramuscular injection by a healthcare professional.

Missed Dose

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

Diarrhea

Nausea

Rash

Less Common Side Effects

Headache

Dizziness

Serious Side Effects

Severe allergic reactions

Severe diarrhea

When to Seek Immediate Medical Attention

Difficulty breathing

Swelling of the face or throat

Severe skin rash

Contraindications — Who Should Not Use This Medicine

  • Allergy to Cephalosporins — Patients with a known allergy should not use this medication.
  • Severe Liver Disease — May require dose adjustments or alternative treatments.

Warnings & Precautions

🤰 Pregnancy
Pregnancy Category B. Ceftriaxone should only be used during pregnancy if clearly needed and prescribed by a doctor.
🤱 Breastfeeding
Ceftriaxone is excreted in breast milk in small amounts. Consult your doctor before using this medication while breastfeeding.
👶 Children
Ceftriaxone is safe for use in children at appropriate doses. Dosage is determined by the child's weight and type of infection.
🧓 Elderly
Elderly patients can use Ceftriaxone, but kidney function should be monitored to avoid accumulation of the drug.
🫘 Kidney Disease
Patients with kidney impairment may require dose adjustments. Regular monitoring of kidney function is recommended.
🫁 Liver Disease
Use with caution in patients with liver impairment. Dose adjustments may be necessary based on liver function tests.
💉 Diabetes
Ceftriaxone does not directly affect blood sugar levels, but patients should monitor for any unusual symptoms.
🍷 Alcohol
Alcohol does not directly interact with Ceftriaxone, but it is advisable to avoid alcohol to ensure optimal recovery.
🚗 Driving
Ceftriaxone does not typically affect the ability to drive or operate machinery.

Drug Interactions

Drug-Drug Interactions

Aminoglycosides

Calcium-containing IV solutions

Food Interactions

No significant food interactions.

Alcohol Interactions

Alcohol does not have a direct interaction but should be avoided.

Disease Interactions

Colitis

Gallbladder disease

Storage Instructions

Store at 20-25°C (68-77°F).

Keep away from moisture.

Protect from light.

Keep out of reach of children.

Check expiry date before use.

Expert Advice

Clinical Tips

Complete the full course of treatment.

Inform your doctor of any allergies.

Do not share your medication with others.

Report any severe side effects to your doctor immediately.

Maintain hydration during treatment.

Inform your doctor about all other medications you are taking.

Regularly monitor kidney function if you have kidney issues.

Consult your doctor if you are pregnant or breastfeeding.

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, contact your healthcare provider for instructions. Do not double the dose to catch up.
Can I take other medications while on ceftriaxone?
Always inform your healthcare provider about all medications you are taking to avoid potential interactions.
How long will I need to take ceftriaxone?
The duration of treatment depends on the type and severity of the infection; follow your healthcare provider's instructions.

Sources

The information on this page about Zelcef 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 – Zelcef 1000mg Injection Prescribing Information and Product Monograph
  2. NHSCeftriaxone: Uses, Side Effects, and More
  3. Mayo ClinicCeftriaxone (Injection Route)
  4. MedlinePlusCeftriaxone Injection
  5. Drugs.comCeftriaxone: Uses, Dosage, Side Effects
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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