Panzid

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Medically reviewed

Marina Burgos

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Panzid

Quick Facts

Property Description
Active ingredient Ceftazidime (INN)
Form Powder for injection (requires reconstitution)
Pharmacological class beta-Lactam antibiotic, Third-generation Cephalosporin
Common use Systemic bacterial infections
Origin Semisynthetic

What Type of Medicine is Panzid?

Panzid, based on the active ingredient Ceftazidime, is classified as a beta-Lactam antibiotic, belonging specifically to the third-generation cephalosporin group. This medicine is a semisynthetic compound that serves the general purpose of eliminating the organisms responsible for systemic bacterial infections. The drug is clinically recognized for its broad utility in managing infections. Ceftazidime is distinct from earlier-generation cephalosporins by its high efficacy and broad-spectrum antibacterial activity against many challenging Gram-negative bacteria, including Pseudomonas aeruginosa.

Composition and Pharmaceutical Form of Ceftazidime

The medicine is a single-ingredient product featuring the sole active compound, Ceftazidime (INN). Due to the compound's chemical structure and the requirement for rapid systemic delivery, it is formulated as a sterile powder for solution that must be mixed with a diluent to create an aqueous solution suitable for parenteral administration. This preparation and route of delivery, typically via intravenous or intramuscular injection, are essential. The mandated injectable form ensures the immediate, high concentration necessary for therapeutic effectiveness in systemic infections, distinguishing its use from standard oral antibiotics. Popular equivalent brands with the same active ingredient include Fortaz and Tazicef.

Regulatory References

  1. Ceftazidime on the WHO Electronic Essential Medicines List (eEML)

What side effects are possible with Panzid?

Possible side effects and safety information

The safety profile of Panzid (Ceftazidime) is documented through regulatory sources, with adverse reactions categorized by frequency and the body system affected. These classifications establish the expected range of reactions observed during clinical use and post-marketing experience.

Frequency and System-Based Safety

Adverse effects are formally grouped into System-Organ Classes (SOCs) in official labeling. The most commonly reported reactions classified as Common (may affect up to 1 in 10 people) include Diarrhea, Eosinophilia, Thrombocytosis, Rash, and reactions at the injection site such as Phlebitis or pain. Reactions such as Headache, Nausea, Vomiting, and Candidiasis are listed as Uncommon.

Serious Adverse Reactions

Official documents cite several serious reactions that are recognized as potentially life-threatening or critically significant. These include Anaphylaxis (a severe hypersensitivity reaction), Severe Cutaneous Adverse Reactions (SCARs) such as Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), and Antibacterial agent-associated colitis, which can be severe. Furthermore, adverse reactions affecting the nervous system, such as Seizures and Encephalopathy, have been reported, primarily through post-marketing surveillance.

Population-Specific Safety and Limitations

Specific safety considerations are noted for particular populations. Neurological sequelae (e.g., tremor, myoclonia, convulsions, coma) have been reported, particularly in individuals with renal impairment where the dosage was not adequately adjusted. The medicine is contraindicated for individuals with a history of severe allergic reactions to Ceftazidime or to any other beta-lactam antibacterial agent (like penicillins). The administration of Ceftazidime may also interfere with certain laboratory tests, potentially causing a Positive Coombs' test.

Overdose and Emergency Response

Overdose and when to seek help

The official documentation for Panzid (Ceftazidime) defines overdosage primarily through its documented impact on the central nervous system. Clinical manifestations that have occurred include seizure activity, encephalopathy, asterixis, neuromuscular excitability, and coma. These severe neurological manifestations establish the need for immediate action and professional medical care.


Category Official Regulatory Statement
Population-Specific Risk Overdosage has occurred specifically in patients with renal failure or renal insufficiency, establishing this patient group as having a significantly increased risk due to impaired drug clearance.
Mandated Emergency Action Patients who receive an acute overdosage must be subjected to careful observation and provided supportive treatment.

Urgent medical attention must be sought immediately whenever an acute overdosage is suspected, especially upon the presentation of severe neurological signs like seizures or coma. The regulatory basis for managing overdosage involves symptomatic and supportive care. Hemodialysis or peritoneal dialysis are officially described as procedural interventions that may aid in the removal of ceftazidime from the body. No specific antidote is known for this substance; therefore, management relies entirely on these mandated actions and continuous monitoring.

Therapeutic Uses of Panzid

What Panzid Treats: Main Uses and Benefits

Panzid (Ceftazidime) is a third-generation cephalosporin antibiotic generally used for managing acute and severe bacterial infections. It may assist with the management of infections in many different parts of the body. This medicine is commonly used across conditions presenting with acute episodes in major organ systems, including various forms of pneumonia in the lower respiratory tract, meningitis, sepsis, complicated urinary tract infections (cUTI), and infections caused by challenging multidrug-resistant (MDR) organisms like Pseudomonas aeruginosa.

In these high-stress clinical settings, Panzid helps address symptom clusters related to systemic imbalance (such as high fever and chills) and organ-specific functional stress (such as severe shortness of breath). It is applied in situations where additional symptomatic support is needed to manage the underlying infection.

“This class of antibiotics is commonly used to provide symptomatic support in contexts involving heightened systemic burden due to severe infection.”

Panzid supports the patient during difficult episodes by easing distress and assists with maintaining functional stability during critical illness.


Quick Fact: Relief for Severe Systemic Symptoms

Panzid is relevant for easing symptoms that create noticeable physiological strain, such as persistent high fever and intense chills, which are signs of a widespread, acute infectious process.

Regulatory References

  1. MedlinePlus Drug Information overview

Eligibility and Restrictions for Use

Panzid (Ceftazidime) eligibility is determined by specific patient health statuses and age groups as defined in official regulatory labeling. This information establishes who is permitted to use the medicine under standard or restricted conditions.


Absolute Non-Eligibility (Contraindications)

The medicine is strictly contraindicated for patients with a known history of immediate, serious hypersensitivity reactions (allergic reactions) to Ceftazidime, the cephalosporin class of antibacterials, or other beta-lactam antibacterial drugs such as penicillins.


Eligibility Rules Based on Organ Function

Eligibility is conditional upon renal health. Since the medicine is cleared almost exclusively by the kidneys, patients with impaired renal function (Creatinine Clearance less than 50 mL/min) require a mandatory reduction in total daily dosage. This restriction is necessary to prevent accumulation that could lead to serious neurotoxicity, such as seizures.


Age and Physiological State Eligibility

Population Eligibility Status
Adults and Children Generally eligible starting at ge 2 months of age.
Infants (le 2 months) Eligible, but specific, reduced dosing is required due to prolonged clearance.
Pregnancy Use is permitted only if the potential benefit outweighs the potential risk.
Lactation Generally considered acceptable, as the medicine is excreted in milk in small quantities.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information describes specific interaction patterns for Panzid (Ceftazidime) that primarily involve renal clearance, pharmacodynamic antagonism, and laboratory test interference.


Documented Interaction Patterns

Interaction Type Interacting Substances Official Regulatory Description
Contraindicated Combination Live Bacterial Vaccines (e.g., BCG, Typhoid live) Co-administration is restricted due to potential pharmacodynamic antagonism of the vaccine's effect.
Additive Toxicity Risk Aminoglycosides, Potent Diuretics (e.g., Furosemide) Concurrent use may increase the risk of nephrotoxicity or ototoxicity.
Exposure Modification Impaired Renal Function Since Ceftazidime is cleared solely by the kidneys, compromised function leads to high and prolonged serum concentrations.
Lab Test Interference Copper Reduction Reagents May result in a false-positive reaction for glucose in the urine with methods like CLINITEST®.

Additional Constraints

For patients undergoing haemodialysis, the recommended dosage must be administered following the completion of the dialysis session. Regulatory documents confirm no known interactions with food or drinks, and studies indicate that Probenecid does not alter Ceftazidime elimination kinetics.

Mechanism of Action

Ceftazidime's mechanism involves a specific molecular pathway that results in the destruction of bacterial cells. Its action is entirely focused on the pathogen, involving no modulation of host human systems.

Targeting and Irreversible Inactivation of Penicillin-Binding Proteins (PBPs)

This mechanism begins with the drug's covalent binding to essential bacterial enzymes called Penicillin-Binding Proteins (PBPs), which act as transpeptidases in the bacterial cell membrane. By forming a stable, irreversible bond, Ceftazidime physically prevents these enzymes from performing their function of cross-linking peptidoglycan chains. This initial enzymatic inhibition is the foundation of the drug's effect, halting the assembly of the protective cell wall.

Cascade of Cell Wall Breakdown and Osmotic Lysis

The inability to synthesize a rigid, protective peptidoglycan cell wall triggers a critical cascade that leads to the death of the bacterial cell. Due to the failure of the structural integrity, the bacterial cell can no longer withstand its own high internal osmotic pressure, resulting in sudden swelling and rupture (lysis). This destructive, mechanism-driven outcome results in the lysis and death of susceptible bacterial organisms.

Molecular Limitations to the Mechanism

The action of this mechanism is constrained by bacterial counter-mechanisms, which define the drug’s mechanistic limitations. One constraint is the production of beta-lactamase enzymes, which chemically inactivate the drug before it can reach its PBP target. Additionally, mutations that reduce the drug's affinity for PBPs or the presence of efflux pumps can lower the local drug concentration, inhibiting the cascade.

Dosage and Administration Information

How to Use Panzid: Official Administration Guidelines

Panzid, which contains the active ingredient Ceftazidime, is an antibiotic administered according to strict protocols to ensure appropriate systemic delivery. The medicine is supplied as a sterile powder for injection that must be reconstituted with a specific diluent prior to administration.


Administration and Regimens

Field Official Administration Instruction
Route of Administration Intravenous (IV) injection or IV infusion; alternatively, Intramuscular (IM) injection.
Dosing Schedule The standard adult dose ranges from 1 g to 2 g per dose. The maximum daily dose is generally 6 g, but specialized regimens for severe infections may permit up to 9 g daily.
Frequency Doses are typically administered at 8-hour (q8 hr) or 12-hour (q12 hr) intervals, or as a continuous infusion over 24 hours.
Preparation The powder must be dissolved, which may cause temporary effervescence; solutions are usually administered over 3-5 minutes for IV bolus or 20-30 minutes for intermittent infusion.

Population-Specific Use and Constraints

Administration protocols mandate adjustments for certain populations. For patients with impaired kidney function, the dose and frequency must be significantly reduced and adjusted based on measured Creatinine Clearance, reflecting the drug's renal elimination. For pediatric patients (over two months), dosing is calculated based on weight (mg/kg) and given in divided doses. Additionally, for older adults (e.g., over 80 years), the maximum daily dose may be limited (e.g., 3 g) due to age-related decline in renal clearance.

The overall duration of a treatment course typically ranges from 7 to 14 days, depending on the infection being managed. These instructions ensure the medicine is used within the standardized approach defined by authorities.

Recent Clinical Evidence

Research evidence / Overview of studies for Panzid (Ceftazidime)


Evidence for Use in Complicated Urinary Tract and Intra-abdominal Infections (cUTI and cIAI)

The evidence for Panzid in complicated urinary tract infections (cUTI) and complicated intra-abdominal infections (cIAI) stems primarily from Randomized Controlled Trials (RCTs) and Systematic Reviews that examine changes in pre-defined study outcomes over defined time intervals. Researchers investigated hospitalized adults and also included specific pediatric groups (infants ge 3 months) in trials, often examining Panzid as part of a combination regimen. The main outcomes studied were the rate of measured clinical response status and the rate of microbiological response status.

Studies reported patterns related to clinical response status measured at the end of the treatment course and again at a follow-up assessment (Test-of-Cure). What remains uncertain is the long-term risk of infection returning after the study-defined follow-up period. Much of the high-quality scientific literature was generated using Ceftazidime in combination, rather than Ceftazidime monotherapy alone in modern treatment settings.


Evidence for Use in Severe Pneumonia

This block outlines the evidence structure concerning the use of Panzid, often in combination, that was evaluated for Hospital-Acquired Pneumonia (HAP) and Ventilator-Associated Pneumonia (VAP). The evidence includes large non-inferiority trials and observational cohorts. These studies focused on outcomes related to acute changes, including physiological strain.

Studies reported changes measured during the study period, including the widely tracked 28-day measured survival status and the time it took for patients to potentially be weaned from mechanical ventilation. Data are still emerging regarding the full set of long-term functional outcomes after patients recover, as follow-up durations were limited in most acute care trials.


What is Still Uncertain About Panzid Research

A key limitation of the existing research is the influence of combination therapies; the most recent evidence for resistant infections often involves Ceftazidime plus another agent, making the contribution of Ceftazidime monotherapy less clear in newer studies. Follow-up durations were limited across most trials, meaning there is limited information for long-term outcomes and the sustained absence of infection. Comparative evidence is lacking for some of the most recently developed antibiotic classes.

Key Studies & References

  1. WHO Model List of Essential Medicines (EML) - Ceftazidime entry (Watch Group Antibiotic)
  2. Efficacy and safety of ceftazidime-avibactam in the treatment of complicated intra-abdominal infections (CIAIs) and complicated urinary tract infections (CUTIs): A meta-analysis of randomized controlled trials
  3. Randomized Trial of Ceftazidime-Avibactam vs Meropenem for Treatment of Hospital-Acquired and Ventilator-Associated Bacterial Pneumonia (REPROVE Trial)
  4. Pharmacoeconomic analysis of empirical therapy with ceftazidime alone or combination antibiotics for febrile neutropenia in cancer patients (Meta-analysis of RCTs)

Frequently Asked Questions (FAQ)

Common questions about Panzid (FAQ)

Q: Is Panzid the same kind of medicine as other common treatments for the condition?

A: Panzid (Ceftazidime) belongs to a group of antibiotics known as third-generation cephalosporins. This classification is used to define its specific chemical structure and how it works to eliminate bacteria. Official product information describes it as having broad-spectrum activity against many challenging bacterial organisms.

Q: How quickly should I expect Panzid to start working?

A: Because Panzid is administered via intravenous injection or infusion, peak concentrations in the bloodstream are rapidly achieved, often within minutes after the dose is completed. This immediate, high concentration allows the process of bacterial elimination to begin.

Q: Does Panzid only work while I'm taking it, or does it have a lasting effect?

A: Panzid's effects are concentration and time-dependent, meaning they require a certain level of the drug to be maintained throughout the treatment course. In healthy individuals, the medicine is cleared relatively quickly by the kidneys, with an average elimination half-life of about 1.9 hours after administration stops.

Q: Are there any long-term safety concerns associated with taking Panzid?

A: Official product information on Panzid is based on data from clinical trials and post-marketing surveillance, focusing primarily on the typical treatment duration of 7 to 14 days. Comprehensive safety data for continuous, long-term use beyond this mandated treatment course is not widely available in product labeling.

Q: Can Panzid affect my mood or energy levels?

A: Regulatory reports have cited neurological problems, such as seizures or tremors, mostly in patients who already have impaired kidney function and have not had their dose adjusted. However, the official adverse reaction lists do not explicitly include common effects on general mood or energy levels.

Q: What types of over-the-counter medicines should I be careful about combining with Panzid?

A: Official drug interaction documents specifically warn about concurrent use with certain prescription medicines that affect the kidneys, such as aminoglycosides and potent diuretics. It is important that patients ensure all healthcare professionals are aware of any concurrent over-the-counter medicines being taken.

Q: How is Panzid different from generic versions of the drug?

A: Panzid is a brand-name medication that contains the active ingredient Ceftazidime. According to regulatory standards, the generic equivalent contains the exact same active compound and must meet the same quality, strength, and efficacy requirements as the brand-name product.

Q: Is it true that Panzid can interact with certain blood thinners?

A: Official regulatory information states that some cephalosporin antibiotics, including Panzid, may rarely increase the effects of vitamin K antagonists, which are a type of blood thinner (e.g., warfarin). The use of these medicines together warrants careful monitoring of blood clotting status, as described in official documents.

Q: Do I need regular blood tests while I am taking Panzid?

A: The official label notes that Panzid can cause changes in certain blood cell counts (such as eosinophilia and thrombocytosis) and can also cause a Positive Coombs' test. Due to the potential for hematologic changes, regulatory documents indicate that monitoring through blood tests is sometimes implemented, particularly during prolonged treatment.

Q: Does Panzid interact with birth control pills?

A: Regulatory documents indicate that some antibiotics in the cephalosporin class, including Panzid, may reduce the effectiveness of hormonal contraceptives like birth control pills. Regulatory information on the potential for reduced effectiveness means that the use of a non-hormonal, barrier method of contraception may be considered during the course of treatment.

Q: Does Panzid contain lactose or gluten?

A: The Panzid formulation, which is a sterile powder that must be prepared for injection, is generally stated in official labeling as not containing common allergens like lactose or gluten. A full list of all inactive ingredients (excipients) can be found in the official product information.

Q: Can I take Panzid if I have a history of liver issues?

A: Official regulatory information indicates that no adjustment in the dose is typically needed for patients who have impaired liver (hepatic) function. This is because Panzid is cleared from the body almost entirely by the kidneys, not the liver.

Q: Is Panzid considered safe during pregnancy?

A: The medicine is classified by authorities as Pregnancy Category B, meaning that animal reproduction studies have not shown a risk to the fetus. However, due to the lack of adequate, controlled studies in humans, the drug is permitted only if the potential benefit is determined to outweigh the potential risk to the fetus.

Q: What should I do if a side effect of Panzid is not listed in the patient information?

A: Official patient information describes that the appropriate procedure involves contacting a healthcare provider. Patients may also report adverse reactions directly to the government’s drug regulatory agency (such as the FDA or MHRA) via their official reporting scheme.

Q: Is Panzid a controlled substance?

A: Panzid (Ceftazidime) is an antibiotic and is not classified as a controlled substance under the US Controlled Substances Act. This means it is not designated as having potential for abuse or dependence.

How should Panzid be stored and disposed of?

Storage and Disposal Requirements

Panzid (ceftazidime powder for injection) has distinct storage rules for the powder and the prepared solution. The unreconstituted powder must be stored in its original container at controlled room temperature (e.g., 20 C to 25 C) and protected from light.

Once prepared, the solution has a limited stability period and must not be frozen. Depending on the temperature, the solution must be used within 18 hours (room temperature) or up to 7 days (refrigerated).

All medicine must be stored out of the sight and reach of children. Unused or expired product must not be thrown into wastewater or household trash and must be disposed of according to local pharmaceutical waste requirements. Used injection supplies must be placed in a sharps container.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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