By Medically reviewed by hellodoktor

Generic Name: Ceftazidime Brand Name(s): Generics only. No brands available.


What is ceftazidime used for?

Ceftazidime is a cephalosporin antibiotic. It works by killing sensitive bacteria.

It is commonly used for treating bacterial infections caused by susceptible strains of the designated organisms in the following diseases:

  • Lower respiratory tract infections
  • Urinary tract infections
  • Bone and joint infections
  • Intra-abdominal infections
  • Central nervous system infections

How should I take ceftazidime?

Ceftazidime is usually administered as an injection at your doctor’s office, hospital, or clinic. If you are using ceftazidime at home, carefully follow the injection procedures taught to you by your health care provider.

Do not use Ceftazidime if it contains particles, is cloudy or discolored, or if the vial is cracked or damaged.

To clear up your infection completely, take ceftazidime for the full course of treatment. Keep taking it even if you feel better in a few days.

Keep this product, as well as syringes and needles, out of the reach of children and pets. Do not reuse needles, syringes, or other materials. Ask your health care provider how to dispose of these materials after use. Follow all local rules for disposal.

How do I store ceftazidime?

Ceftazidime is usually handled and stored by a health care provider. If you are using ceftazidime at home, store ceftazidime as directed by your pharmacist or health care provider. Store away from heat, moisture, and light. Do not store in the bathroom. Keep ceftazidime out of the reach of children and away from pets.

Precautions & warnings

What should I know before using ceftazidime?

Do not use ceftazidime if:

  • You are allergic to any ingredient in ceftazidime or to another cephalosporin (e.g., cephalexin).
  • You are taking chloramphenicol.

Contact your doctor or health care provider right away if any of these apply to you.

Is it safe during pregnancy or breastfeeding?


If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using this while you are pregnant.


Ceftazidime is found in breast milk. If you are or will be breastfeeding while you use ceftazidime, check with your doctor. Discuss any possible risks to your baby.

Side effects

What side effects can occur from ceftazidime?

Get emergency medical help if you have signs of an allergic reaction such as hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • Confusion, hallucinations, feeling like you might pass out
  • Seizure (black-out or convulsions)
  • Pale or yellowed skin
  • Dark colored urine
  • Fever
  • Weakness
  • Severe stomach pain
  • Diarrhea that is watery or bloody
  • Cold feeling
  • Discoloration
  • Skin changes in your fingers

Common side effects may include:

  • Nausea
  • Vomiting
  • Diarrhea
  • Stomach pain
  • Headache
  • Dizziness
  • Numbness or tingly feeling
  • Vaginal itching or discharge

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.


What drugs may interact with ceftazidime?

Ceftazidime may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Some medicines may interact with ceftazidime, including:

  • Aminoglycosides (e.g., gentamicin) or diuretics (e.g., furosemide) because risk of kidney side effects may be increased.
  • Chloramphenicol because it may decrease Ceftazidime e’s effectiveness.
  • Hormonal birth control (e.g., birth control pills) because its effectiveness may be decreased by ceftazidime.

Does food or alcohol interact with ceftazidime?

Ceftazidime may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with ceftazidime?

Ceftazidime may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using ceftazidime.

What is the dose of ceftazidime for an adult?

The usual adult dosage is 1 gram administered intravenously or intramuscularly every 8 to 12 hours.

The dosage and route should be determined by the susceptibility of the causative organisms, the severity of infection, and the condition and renal function of the patient.

What is the dose of ceftazidime for a child?

This medication is given by injection into a muscle or vein as directed by your doctor, usually every 8 to 12 hours. The dosage is based on your medical condition and response to treatment.

How is ceftazidime available?

Ceftazidime is available in the following dosage forms and strengths:

  • Ceftazidime 500mg vial
  • Ceftazidime 1g vial
  • Ceftazidime 2g vial

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of ceftazidime, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

Review Date: December 25, 2016 | Last Modified: September 12, 2019