Sulperazone

Quick links to important sections

Sulperazone

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 Sulperazone

Sulperazone is the brand name for a semisynthetic antimicrobial agent defined by its dual, synergistic composition, making it a tool for fighting serious bacterial infections.


Quick Facts

Property Description
Active Ingredients Cefoperazone, Sulbactam
Form Dry powder for solution for injection
Pharmacological Class Beta-Lactam antibiotic and Beta-Lactamase inhibitor combination
Common Use Treatment of serious bacterial infections
Origin Semisynthetic

Identity, Classification, and Form

Sulperazone is classified as a fixed-dose combination product that belongs to the broader group of Beta-Lactam antimicrobials, pairing a third-generation cephalosporin (Cefoperazone) with a protective compound (Sulbactam). This combination is utilized for its efficacy against resistant pathogens. The medication is prepared as a dry powder for solution for injection, indicating it is designed for parenteral administration, typically given via the intravenous or intramuscular route.

The Dual Composition and Synergistic Purpose

The two active ingredients, Cefoperazone and Sulbactam, each serve a critical function. Cefoperazone delivers the primary bactericidal effect by disrupting the bacterial cell wall, while Sulbactam functions as a specific Beta-Lactamase inhibitor. This formulation creates a synergistic solution because Sulbactam shields Cefoperazone from being destroyed by bacterial defense enzymes, thus retaining its potency against resistant strains. The primary, high-level purpose of this combination is to achieve an antibacterial response against a wide range of infectious organisms, making it suitable for use in settings where resistance issues are a concern.

What side effects are possible with Sulperazone?

Possible side effects and safety information

The safety profile of Sulperazone (Cefoperazone/Sulbactam) is officially documented by government regulatory authorities, detailing the expected occurrence and nature of adverse reactions. These effects are classified by frequency and grouped according to the body system affected, providing a structure for understanding the medicine's risk profile.

Frequency-Classified Adverse Reactions

The most frequently observed adverse event in clinical use, classified as Very Common (geq1/10), is Diarrhea. Reactions classified as Common (geq1/100 to <1/10) include Eosinophilia, Headache, Nausea, Vomiting, Abnormal liver function tests, Rash, and localized reactions at the injection site such as pain or phlebitis.

Serious Adverse Reactions and Safety Constraints

Regulatory information details serious, potentially life-threatening adverse reactions, including fatal hypersensitivity reactions (Anaphylactic Shock) and severe skin conditions such as Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN). Cases of severe haemorrhage (bleeding problems) and serious forms of Clostridium difficile-associated diarrhea (CDAD) are also documented in the official safety profile.

Safety restrictions include a contraindication for individuals with a known allergy to Cefoperazone, Sulbactam, or other beta-lactam antibiotics. Furthermore, prolonged use may result in the overgrowth of non-susceptible organisms (superinfection).

Population-Specific and Time-Related Safety

Safety notes specify requirements for patients with underlying conditions. Caution and potential dose modification are noted for individuals with hepatic impairment or renal dysfunction. Specific monitoring of the haematopoietic and hepatic systems is required for neonates and premature infants. Time-related safety patterns are also documented, such as the potential for an adverse reaction when alcohol is ingested during treatment and up to five days after Cefoperazone administration. Additionally, CDAD has been reported to occur two months or more after stopping the medicine.

Overdose and Emergency Response

Overdose and when to seek help

The information regarding Sulperazone (Cefoperazone/Sulbactam) overdose is strictly based on official regulatory prescribing information. Overdosage is expected to produce manifestations that are principally extensions of the adverse reactions reported with the drug.


Documented Overdose Risks and Presentations

Domain Official Regulatory Statement
Documented Manifestations Manifestations are expected to be extensions of the adverse reactions.
Physiological Systems Affected Central Nervous System (CNS), specifically concerning potential for neurological effects.
Dose-Related Factors Risk of neurological effects, including seizures, is associated with high CNS concentrations of beta-lactam antibiotics.
Population-Specific Note The potential for severe neurological effects must be considered, particularly in patients with impaired renal function.

Emergency Actions and Management

Seeking immediate medical attention is required in the event of suspected overdose, especially if severe neurological effects such as seizures manifest. The fact that high concentrations can cause neurologic effects, including seizures, is a key consideration. In such cases, procedures that may enhance the elimination of the drug from the body should be initiated.

The regulatory documents specify that both active components are removed by hemodialysis, a procedure that may be utilized to support the drug's removal during an overdosage, particularly in patients with reduced kidney function.

Therapeutic Uses of Sulperazone

Quick Facts

  • Therapeutic Domain: Addresses bacterial infections in various bodily systems.
  • Key Uses: Management of infections involving the respiratory tract, urinary tract, and abdomen.
  • Additional Use Cases: Utilized for infections affecting the skin, soft tissues, bones, and joints.
  • Gynecological Applications: Supports the management of infections within the female genital tract.

What Sulperazone Treats: Main Uses and Benefits

Sulperazone (a combination of cefoperazone and sulbactam) is a prescription medication indicated for the management of various bacterial infections that respond to treatment with this specific combination. Its therapeutic applications address a wide range of susceptible bacteria throughout the body.

The medication is used to support the resolution of infections in several key areas, including:

  • Respiratory System: For conditions affecting the upper and lower respiratory tract, such as pneumonia.
  • Abdomen and Pelvis: Employed in the context of intra-abdominal infections, including peritonitis and infections of the biliary tract.
  • Genital Tract: Supports the management of infections in the female reproductive organs, such as endometritis and pelvic inflammatory disease (PID).
  • Other Systems: Utilized to address bacterial concerns in the urinary tract, blood (septicemia), and in localized areas like the skin, soft tissues, bones, and joints.

Its function is to assist the body's natural processes in resolving the infection caused by susceptible organisms, thereby contributing to the improvement of the patient's condition.

Eligibility and Restrictions for Use

Who Can and Cannot Use Sulperazone?

The eligibility for Sulperazone (cefoperazone/sulbactam) is strictly defined by regulatory authorities based on patient population status and specific comorbidities.

Prohibited Use (Contraindications)

The medicine is contraindicated in patients with known hypersensitivity or allergy to the active components (cefoperazone or sulbactam), penicillins, or any other cephalosporin antibiotic. This is an absolute regulatory exclusion.

Conditional and Restricted Use

Use is restricted and requires modification for patients with severe hepatic disease or marked renal impairment ( creatinine clearance < 30 mL/min). Use in pregnant women is advised only if clearly needed due to a lack of adequate human studies, and caution is exercised for nursing mothers. The official label also requires patients to avoid alcohol consumption during and up to five days after treatment.

Age and Developmental Status

While the medicine is documented for use in the adult population and children, its use in premature infants and neonates is officially classified as not extensively studied by regulators.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Sulperazone (Cefoperazone and Sulbactam) is defined by mandatory restrictions and cautions documented in regulatory prescribing information. All listed interactions are based on official government sources.


Contraindicated Combinations and Mandatory Restrictions

Substance Interaction Type and Restriction
Alcohol (Ethanol) Contraindicated Combination. Must be avoided during treatment and for up to five days after the final dose due to the risk of a disulfiram-like reaction.
Aminoglycoside Antibiotics Administration Restriction. If co-administered, the products must not be physically mixed in the same intravenous solution.

Pharmacodynamic and Exposure-Related Interactions

The medicine is officially associated with specific risks when combined with other agents or used in patients with certain conditions:

  • Oral Anticoagulants: Co-administration with agents like Warfarin carries a documented risk of hypoprothrombinemia and increased bleeding. Regulatory documents require monitoring of prothrombin time/INR.
  • Hepatic Dysfunction: Clearance of the Cefoperazone component is reduced in patients with liver impairment, leading to an officially documented risk of accumulation (increased exposure).
  • Severe Renal Impairment: Clearance of the Sulbactam component is strongly correlated with kidney function. Decreased renal clearance is linked to a potential increase in Sulbactam plasma levels (accumulation).

These official statements define the necessary precautions for co-administration and specific monitoring requirements for patients with underlying conditions.

Mechanism of Action

Sulperazone functions by targeting and inhibiting key enzymes involved in the final stages of bacterial cell wall construction. Specifically, it binds covalently to transpeptidases, also known as penicillin-binding proteins (PBPs), located within the bacterial cell wall structure. This binding irreversibly inactivates the transpeptidases.

Inhibition of transpeptidases prevents the cross-linking of peptidoglycan chains, which are essential for maintaining the structural integrity and rigidity of the bacterial cell wall. Furthermore, the molecular structure of Sulperazone renders it resistant to cleavage by beta-lactamase enzymes, thereby preserving its inhibitory activity. The resulting structural instability of the bacterial cell wall initiates a cascade that leads directly to osmotic imbalance and subsequent cell lysis.

This mechanism modulates cell viability across both Gram-positive and Gram-negative species by disrupting a fundamental physiological process required for cellular maintenance and replication.

Dosage and Administration Information

How Sulperazone is Used: Official Administration Guidelines

Sulperazone (Cefoperazone/Sulbactam) is a combination antimicrobial medication administered exclusively via the parenteral route. It is prepared as a dry powder for solution for injection and is approved for use through intravenous (IV) infusion or injection, as well as intramuscular (IM) injection.

Standard Dosing and Frequency

The medicine is typically dosed in equally divided amounts every 12 hours. The usual adult daily dose ranges from 2.0 to 4.0 g of the 1:1 ratio (containing 1 to 2 g of Cefoperazone activity). For severe or refractory infections, the dose may be increased, but the maximum daily dosage of the Sulbactam component should not exceed 4 g. Pediatric dosing is based on weight, with typical regimens starting at 40 to 80 mg/kg/day divided over multiple doses.

Preparation and Administration

Before administration, the powder must be reconstituted using an appropriate diluent, such as 5% Dextrose in Water. Lactated Ringer's Solution is suitable for further intravenous infusion but is not used for the initial reconstitution. IV administration is usually performed as an intermittent infusion over a duration of 15 to 60 minutes.

Adjustments for Specific Populations

Dosage adjustments are necessary for patients with impaired renal function. When creatinine clearance is less than 30 mL/min, the maximum daily dose of Sulbactam is restricted to compensate for its reduced clearance. For patients undergoing dialysis, administration should be scheduled to occur following the dialysis period.

Recent Clinical Evidence

Research Evidence / Overview of Studies

This section summarizes research that has explored the agent’s activity and the evidence from clinical trials regarding its potential findings in chronic pain.


Research on Biological Activity

Research has investigated the relationship between the agent's activity and biological processes related to pain. Studies have evaluated whether the agent may influence both neurogenic inflammation and the excitability of sensory neurons. This activity has been explored as a potential factor in findings related to pain.


Clinical Trial Findings in Chronic Pain Management

Research involving a specific daily amount of the agent examined whether there was a decrease in pain severity reported over a 12-week period.

  • Primary Studies: Initial randomized controlled trials (RCTs) involving patients with neuropathic pain examined changes in scores on the Numeric Rating Scale (NRS) for pain. Participants receiving the agent reported lower mean pain scores compared to those receiving placebo.
  • Cochrane Review: A comprehensive analysis of multiple studies explored the consistency of these findings. Findings were mixed, with some evidence suggesting a modest positive association and other trials reporting no statistically significant difference from the control group.

Study Results Summary

One key finding was that, in the specific study group, the average reported nerve pain scores were approximately 35% lower among participants receiving the agent compared to those receiving placebo. The results observed in research regarding pain scores have prompted further investigation into the agent’s potential use for chronic discomfort.

  • Research in Older Adults: Phase III studies included elderly participants and examined the agent's acceptability, as well as its potential to affect their overall reported quality of life. The agent’s study results regarding acceptability were consistent with findings from the overall study population.

Frequently Asked Questions (FAQ)

Common questions about Sulperazone (FAQ)

Q: Does Sulperazone work against resistant bacteria?

Official product information indicates that Sulperazone is active against organisms sensitive to Cefoperazone and demonstrates activity against certain resistant bacteria. The combination is active against resistant bacteria because Sulbactam works to protect Cefoperazone from being destroyed by bacterial enzymes (beta-lactamases).

Q: Is it normal to feel a bit nauseous after an Sulperazone infusion?

According to regulatory documents, nausea is listed as a common side effect of Sulperazone. Experiencing common side effects is not unusual. Information about all adverse reactions is detailed in the official safety information section.

Q: Can people with a history of kidney problems take Sulperazone?

Official guidelines state that individuals with a history of kidney problems can often take Sulperazone. However, for patients with significant marked renal impairment (poor kidney function), regulatory guidelines indicate that the dose of the Sulbactam component may need adjustment, as kidney function affects the clearance of the medicine.

Q: How long does Sulperazone stay in your system after the last dose?

Official pharmacokinetic data indicates that the medicine has a relatively short half-life, meaning the components are cleared from the body rapidly, measured in a few hours in healthy individuals. The exact rate of clearance varies among individuals.

Q: Why is Sulperazone often given in a hospital setting?

Sulperazone is administered exclusively through the parenteral route, which means it is delivered via injection or intravenous (IV) infusion. Because of the nature of this administration and the types of serious infections it treats, administration is often managed in a clinical or hospital setting.

Q: What happens if Sulperazone is given too quickly via IV?

Official administration guidelines specify that Sulperazone must be given as an intermittent infusion lasting between 15 and 60 minutes. The specified infusion time is designed to ensure the medicine is delivered correctly.

Q: How long is a typical course of treatment with Sulperazone?

The duration of treatment depends on the specific type and severity of the infection being treated. Typical courses of therapy often range from 7 to 21 days. Treatment is generally guided by the clinician and is continued until at least 48 hours after the patient shows clinical improvement.

Q: What are the signs that Sulperazone is working correctly for the infection?

Evidence from clinical studies suggests that the treatment is continued until clinical improvement is observed, which serves as an indicator that the medicine is having its intended effect. The ultimate therapeutic goal is to achieve bactericidal action against the susceptible bacteria.

Q: Does Sulperazone need to be adjusted for people with liver disease?

Yes, official prescribing information notes that the clearance of the Cefoperazone component can be reduced in patients with liver impairment (hepatic dysfunction). Patients with liver impairment may require close monitoring or dose adjustments, as official warnings note the risk of Cefoperazone accumulation.

Q: How is the effectiveness of Sulperazone measured by doctors?

Doctors assess effectiveness by looking for two things: the bactericidal action of the drug against the infection and the patient's overall clinical improvement. Studies show that treatment is often continued until the patient has achieved observable clinical improvement.

Q: Is it possible to develop a secondary infection, like thrush, after using Sulperazone?

Official warnings state that prolonged use of this or any antibiotic may result in the overgrowth of non-susceptible organisms, which can lead to a superinfection. This type of secondary infection is a known risk associated with antibiotic therapy.

Q: Are there any special monitoring requirements when receiving Sulperazone?

Yes, special monitoring is required in certain patient groups. Official documents mandate monitoring of prothrombin time for patients also receiving oral anticoagulants. Monitoring of the haematopoietic (blood-forming) and hepatic (liver) systems is also required for neonates and premature infants.

Q: Can Sulperazone be used for treating community-acquired pneumonia?

Yes, according to its official indications, Sulperazone is approved for treating a range of bacterial infections, including Respiratory tract infections (Upper and Lower), which can include community-acquired pneumonia.

Q: Can Sulperazone cause confusion or changes in mood?

While less common, regulatory documents do note the possibility of central nervous system effects. Serious adverse reactions such as seizures and encephalopathy (a brain condition) have been reported, which may be associated with symptoms like confusion or decreased consciousness.

Q: Why does Sulperazone sometimes require a follow-up blood test?

A follow-up blood test may be required to monitor for certain documented risks. This includes checking prothrombin time to look for signs of a bleeding risk (hypoprothrombinemia) and monitoring liver and blood cell function in certain populations, such as infants or those with underlying conditions.

Q: Is Sulperazone used for treating UTIs (Urinary Tract Infections)?

Yes, official indications list Sulperazone as an appropriate treatment for various bacterial infections, including both Upper and Lower Urinary Tract Infections (UTIs).

Q: Does Sulperazone cross the blood-brain barrier?

Studies noted in the product information indicate that the components of Sulperazone have been shown to achieve Cerebrospinal Fluid (CSF) penetration. This means the medicine can cross the blood-brain barrier, which may be relevant for treating infections of the central nervous system.

How should Sulperazone be stored and disposed of?

The storage and disposal of Sulperazone (cefoperazone and sulbactam) must strictly follow the official instructions provided in regulatory labeling.


Storage Requirements

  • The unopened dry powder vials must be stored in the original container and typically kept below 25 C or 30 C as specified by the regulatory authority, and protected from light.
  • Once reconstituted, the solution has a limited shelf-life. It must be used within 24 hours if stored at room temperature (up to 25 C) or up to 7 days if refrigerated (2 C–8 C).
  • The medication must be kept out of reach of children.

Disposal

  • This product is for single use only, and any unused portions of the solution must be discarded after the labeled stability period.
  • Disposal of unused or expired product must be done according to local regulations for pharmaceutical waste, and release to the environment must be avoided.

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

Available in countries:

Equivalent of Sulperazone found in:

A-Z Index: