Maxtam

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Maxtam

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Medically reviewed

Rosario Oropesa

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 Maxtam

What is Maxtam? A Foundational Identity

Maxtam is a pharmaceutical preparation classified as a combination anti-infective agent designed for parenteral (injection) administration. It is explicitly formulated to combat drug resistance in serious bacterial infections. Its identity centers on the key component, the active ingredient Sulbactam, which belongs to the unique functional class of beta-Lactamase Inhibitors.


Quick Facts

Property Description
Active ingredient Sulbactam (Sodium)
Form Dry powder for reconstitution (in a vial)
Pharmacological class beta-Lactamase Inhibitor
Common use Fighting antibiotic-resistant bacterial infections
Origin Semi-synthetic (Penicillin nucleus derivative)

What Type of Anti-Infective Agent is Maxtam?

Maxtam is primarily a protective beta-Lactamase Inhibitor, functioning as a strategic adjunct to a primary antibiotic in a single therapeutic system. The active ingredient, Sulbactam, is a semi-synthetic derivative of the Penicillin nucleus. Sulbactam's role is to prevent the breakdown of beta-lactam antibiotics by certain bacterial enzymes. This mechanism is clinically recognized for successfully extending the functional lifespan of the partner antibiotic, making the medication suitable for complex scenarios.

Maxtam's Composition: A Combination Strategy

The complete preparation is inherently a combination product, always containing the protective agent, Sulbactam sodium, alongside a compatible beta-lactam antibiotic, such as Cefoperazone sodium. This specific formula dictates its format: Maxtam is supplied as a sterile dry powder for reconstitution in a vial. These fixed-dose combinations are essential for broadening the antimicrobial spectrum against bacteria that produce resistance mechanisms. The necessity for the Intravenous or Intramuscular injection route underscores the drug's positioning for acute and systemic infections.

Regulatory References

  1. NIH: Sulbactam

What side effects are possible with Maxtam?

Possible Side Effects and Safety Information

The safety profile for Maxtam (Sulbactam/Cefoperazone) is derived from regulatory classifications that organize possible reactions by frequency and affected physiological system. The most common effects reported often involve the Hepatobiliary Disorders and Blood and Lymphatic System Disorders.

Frequency-Classified Effects

Very Common reactions (affecting 1 in 10 people or more) documented in regulatory summaries include leukopenia, neutropenia, and thrombocytopenia, alongside asymptomatic increases in liver enzymes such as ALT and AST. A positive Coombs direct test is also classified as Very Common.

Common reactions (affecting between 1 and 10 in 100 people) include diarrhea, nausea, and vomiting, as well as eosinophilia and coagulopathy.

Serious Adverse Reactions (SARs)

Regulatory documents explicitly list the potential for severe, clinically significant reactions. These include life-threatening anaphylactic reactions (severe hypersensitivity), severe cutaneous adverse reactions (SCARs) such as Stevens-Johnson Syndrome (SJS), and severe gastrointestinal issues like Clostridioides difficile-Associated Diarrhea (CDAD). Cases of haemorrhage (bleeding) associated with vitamin K deficiency have also been reported.

Population-Specific Safety Constraints

The official label notes specific constraints for certain populations. Patients with hepatic or renal dysfunction may require potential adjustments because the clearance of the drug’s components is altered. The medication is contraindicated in individuals with a known history of hypersensitivity to beta-lactam antibiotics, including penicillins or cephalosporins.

Furthermore, the label notes that the risk of superinfection (overgrowth of non-susceptible organisms) may occur with prolonged use. A documented safety consequence is a disulfiram-like reaction (flushing, headache, tachycardia) when alcohol is consumed during or shortly after treatment due to the Cefoperazone component.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Maxtam (Sulbactam/Cefoperazone) specifies that overdosage is expected to produce manifestations that are primarily extensions of the adverse reactions reported with the drug. The profile is structured by the potential for CNS Toxicity Risk.

Documented Severe Manifestations

High concentrations of the beta-lactam antibiotic component may cause severe neurologic effects, including seizures (convulsions). This specific outcome is documented in regulatory labeling and is classified as a severe event.

Immediate Regulatory Actions

Seek immediate medical attention for the emergence of any severe CNS toxicity or signs of seizures. Overdose management is a critical event managed in a controlled clinical setting.

Officially Described Management:

  • No specific antidote is documented for the management of overdosage.
  • Symptomatic and supportive treatment is the primary approach for clinical management.
  • Hemodialysis is a documented procedure that may be utilized to enhance the elimination of both active components from the systemic circulation. This procedure is noted as particularly relevant for patients with impaired renal function where clearance may be reduced.

Regulatory documentation defines the overdose profile by the risk of severe CNS events, mandating urgent medical help. Management is confined to symptomatic support and documented procedures to facilitate drug removal.

Therapeutic Uses of Maxtam

Maxtam is a combination anti-infective agent commonly used to help manage severe bacterial infections, particularly those where drug resistance is a primary concern. It is indicated for the treatment of complex infections across major systems. The medication is primarily applied in addressing systemic signs of illness and infections affecting the respiratory tract, the urinary tract, and the abdominal or pelvic areas.

This medication is commonly used to address conditions marked by increased physiological stress, helping to manage symptom clusters that may become intense or disruptive due to resistant organisms. The core therapeutic benefit is that this medication is relevant for easing severe infection symptoms and provides antimicrobial support that may be applied against multidrug-resistant strains. It is applied in clinical settings that involve acute or unstable symptom patterns, such as high fever and systemic signs of illness. The use of this medication may assist with maintaining functional stability and supports the patient during difficult episodes by easing the overall symptom load.

“The medication is relevant when short-term symptomatic assistance is appropriate and contributes to easing functional stability during periods of acute systemic illness.”

Maxtam is relevant in contexts involving heightened systemic burden, such as hospital-acquired infections or use in high-risk patients. This intervention provides necessary short-term symptomatic assistance to vulnerable patient groups, including immunocompromised individuals and older adults, where infection creates noticeable physiological strain.

Quick Fact: Relief for Acute Systemic Symptoms
This medication is applied in acute situations to help address symptoms related to systemic imbalance, such as high fever and chills.

Regulatory References

  1. World Health Organization (WHO) EML Proposal

Eligibility and Restrictions for Use

Who Can and Cannot Use Maxtam?

This section outlines the official population eligibility rules for Maxtam (Cefoperazone-Sulbactam) as defined by governmental regulatory documents.


Contraindications and Absolute Restrictions

Maxtam is contraindicated in patients with a history of hypersensitivity or severe allergic reaction to its active ingredients, Sulbactam or Cefoperazone. This prohibition also applies to individuals with documented allergies to Penicillins or other Cephalosporins due to the risk of cross-hypersensitivity.


Conditional and Restricted Use Populations

Population Group Regulatory Restriction / Condition
Organ Impairment Marked renal impairment (e.g., CrCl < 30 mL/min) and severe hepatic disease require cautious use, close monitoring, and mandatory dosage adjustment for the Sulbactam component.
Pediatric Use Approved for children and infants, but use in neonates (especially premature infants) requires specific dosing and monitoring due to unestablished data and concerns about Sulbactam accumulation.
Physiological State During pregnancy, Maxtam is categorized as Pregnancy Category B, meaning use is restricted to cases where the benefit is clearly established. Use during lactation is generally conditional, as both components are excreted in small amounts into breast milk.
Comorbidities Patients with conditions predisposing to coagulopathy (bleeding disorders) or Vitamin K deficiency require conditional use with coagulation monitoring.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define specific substance interactions and restrictions for Maxtam (Sulbactam/Cefoperazone). The official profile is structured around necessary monitoring, timing separation, and considerations for patients with underlying conditions.

Documented Interaction Patterns

Interacting Substance/Condition Official Interaction Description
Ethanol (Alcohol) Strict avoidance during therapy and up to the fifth day after the final dose is mandated due to the documented risk of a disulfiram-like reaction (characterized by flushing and tachycardia).
Aminoglycosides Co-administration may demonstrate in vitro synergistic pharmacodynamic activity. Regulatory guidance requires monitoring of renal function during this combined use.
Oral Anticoagulants Maxtam may be associated with hypoprothrombinemia, which can increase the effect of anticoagulants. Monitoring of prothrombin time (INR) and administration of Vitamin K may be necessary.

Clearance and Population Notes

The clearance rates of the active ingredients are altered by underlying health conditions. The serum half-life of Cefoperazone is prolonged in patients with hepatic dysfunction, and Sulbactam clearance is reduced in patients with renal dysfunction. In these cases, particularly with concurrent renal and hepatic impairment, official guidelines recommend monitoring serum concentrations. Additionally, dosing for patients undergoing hemodialysis must be scheduled to occur after the dialysis period to account for the altered elimination of Sulbactam.

Mechanism of Action

How Maxtam Works: A Dual-Action Mechanism

The core mechanism of Maxtam is a synergistic bactericidal mechanism achieved by two distinct, interdependent agents: Sulbactam and Cefoperazone. This strategy ensures the primary compound successfully executes its target mechanism by neutralizing bacterial resistance.


Blocking the Bacterial Defense Shield

This domain describes the chemical role of Sulbactam, which targets the bacterial beta-Lactamase enzymes as an irreversible inhibitor. Sulbactam chemically neutralizes these defense enzymes, eliminating their ability to hydrolyze the companion antibiotic. This critical step results in the protection of the companion antibiotic structure from enzymatic hydrolysis, thereby enabling the subsequent mechanism of cell wall inhibition.


Inhibiting Cell Wall Construction

This domain focuses on the covalent inhibition by Cefoperazone, which is protected by Sulbactam and then proceeds to inhibit Penicillin-Binding Proteins (PBPs). Cefoperazone covalently binds to these enzymes, halting the cross-linking of structural components required for the bacterial cell wall. This molecular inhibition leads to the loss of structural integrity and subsequent lysis (rupture) of the bacterial cell due to osmotic pressure.

Dosage and Administration Information

How Maxtam is Used

Maxtam (Cefoperazone/Sulbactam) is a combination anti-infective agent used only through parenteral administration, meaning it must be given by Intravenous (IV) infusion or Intramuscular (IM) injection. It is supplied as a sterile dry powder that requires specific reconstitution and dilution with approved solutions, such as 0.9% Sodium Chloride or 5% Dextrose in Water, before it can be administered.


Standard Dosing and Frequency

Instruction Detail
Route of Administration Intravenous (IV) or Intramuscular (IM) Injection
Usual Adult Daily Dose 2 g to 4 g total (e.g., 1 g to 2 g of each component)
Dosing Frequency Typically administered in equally divided doses every 12 hours
IV Administration Rate Administered over an intermittent infusion lasting 15 to 60 minutes

Population-Specific Adjustments

Dosage must be adjusted for patients with reduced kidney function, as the Sulbactam component is cleared primarily through the kidneys. For example, when creatinine clearance is below 30 mL/min, the total daily dose of Sulbactam must be limited. In cases of severe hepatic dysfunction, the dosage of the Cefoperazone component may also require limitation unless serum concentrations are closely monitored.

For pediatric patients, the usual dosage is determined by weight (40 to 80 mg/kg/day total drug), and neonates in the first week of life are specifically instructed to receive the drug every 12 hours. For patients undergoing hemodialysis, the administration is typically timed to occur after the dialysis session to account for drug removal.

Recent Clinical Evidence

Research Evidence: Overview of Studies for Maxtam (Cefoperazone/Sulbactam)

The evidence base for Maxtam is primarily composed of Randomized Controlled Trials (RCTs) and systematic reviews that combine data from multiple clinical trials. This research describes how the medication was evaluated in studies involving severe, acute bacterial infections, particularly where drug resistance was a concern. The findings reflect group patterns observed in these studies, not personal outcomes.


Evidence for Use in Acute Abdominal and Respiratory Infections

Research has explored Maxtam's application in various severe bacterial infections, including those affecting the intra-abdominal area and the respiratory tract (including hospital-acquired pneumonias). These studies primarily focus on adults in a hospital setting who were diagnosed with severe illnesses.

The structure of the evidence for acute abdominal infections relies on meta-analyses that have pooled data from short-term RCTs. These studies have examined outcomes related to measures of clinical efficacy and the microbiologic response (clearance of the targeted bacteria). Findings indicate patterns related to these short-term measurements. Research in respiratory infections includes comparative RCTs that examined measures of clinical change and 30-day survival in the observed populations.


Research on Managing Drug-Resistant and High-Risk Infections

Maxtam was evaluated in research exploring infections where drug resistance was a primary factor. Research on infections caused by multidrug-resistant (MDR) bacteria largely consists of observational studies, retrospective analyses, and smaller trials. These studies monitored outcomes related to patient survival and the microbiologic response in the infection site, mostly in critically ill patients. Findings describe patterns observed in the studies in these challenging cases, which included patients with febrile neutropenia (fever in immunocompromised patients). Research exploring febrile neutropenia specifically involved systematic reviews of RCTs and reported measurements of treatment efficacy when compared against other active regimens.


What Is Still Uncertain About Maxtam's Research Landscape

Despite the large volume of research, several limitations and uncertainties exist in the evidence landscape:

  • Long-term effects are not fully established. The limited follow-up durations mean that research provides context but not individual predictions about long-term health.
  • Data for certain groups remain insufficient. While studies exist for children and older adults, more focused research may be needed to understand specific responses in these populations.
  • Comparative evidence for highly resistant strains is limited. For the most complex, emerging multidrug-resistant organisms, studies observing responses were often observational or retrospective, meaning that large-scale, prospective RCTs are still an area where research is ongoing.

Frequently Asked Questions (FAQ)

Common questions about Maxtam (FAQ)


Q: Is Maxtam safe for use in older adults (seniors)?

A: Official documentation addresses the use of Maxtam in older patient populations. As is standard practice with many potent systemic medicines, official information advises that organ system function should be monitored during therapy, particularly when treatment is extended.


Q: If I have kidney or liver issues, can I still take Maxtam?

A: Regulatory documents indicate that Maxtam can be used with adjustments for patients who have kidney or liver issues. Because one component of the drug is mainly cleared through the kidneys, limitations on its dosage are described for reduced kidney function. For severe liver issues, the dosage of the other component may also be adjusted, and monitoring of serum concentrations may be described in official recommendations.


Q: Why is it necessary to monitor certain lab tests while on Maxtam?

A: Official guidance advises that certain lab tests are necessary to check the function of important organ systems, such as the kidneys and liver, especially during long-term use. Additionally, monitoring of prothrombin time—a measure of blood clotting ability—may be recommended due to a potential effect on coagulation parameters.


Q: How does taking Maxtam affect my ability to drive or operate machinery?

A: Potential impacts on the ability to drive or operate complex machinery are noted in the product information. This is because documented common side effects of Maxtam include effects such as dizziness and headache.


Q: Can Maxtam be crushed or split if the tablet is too large to swallow?

A: Maxtam is not available as a tablet or other oral form for swallowing. Official documents state it is supplied as a sterile dry powder used only to prepare solutions for intravenous (IV) infusion or intramuscular (IM) injection.


Q: What are the official recommendations regarding taking Maxtam with food?

A: Since Maxtam is administered only through intravenous (IV) infusion or intramuscular (IM) injection, its delivery is not linked to the digestive process. Therefore, official documents do not provide recommendations about taking Maxtam alongside food.


Q: What are the most common side effects reported by people taking Maxtam?

A: The official documentation on undesirable effects lists several common side effects. These include gastrointestinal upset, such as diarrhea, nausea, or vomiting. Other commonly reported effects are skin reactions like a rash, headache, and reactions at the injection site.


Q: Is it normal to feel tired or dizzy when first starting Maxtam?

A: Dizziness and headache are listed among the commonly reported side effects in official product information. The experience of side effects is a topic that can be discussed with a healthcare provider.


Q: Are there any long-term health risks associated with taking Maxtam?

A: As with many potent systemic agents, official documentation advises that during extended therapy, organ system function should be checked periodically. This includes monitoring the renal (kidney), hepatic (liver), and haematopoietic (blood) systems.


Q: Does Maxtam affect birth control pills or other hormonal medications?

A: Regulatory documents mention that the antibiotic component of Maxtam may reduce the intended effect of hormonal contraceptives, such as certain birth control pills. Official information may advise that alternative or additional birth control methods may be considered during therapy.


Q: What is the typical duration of treatment with Maxtam?

A: The official duration of treatment is specifically determined by the type and severity of the bacterial infection being treated. The recommended courses are generally defined as a short-term period, ranging from a few days to several weeks.


Q: Will I need to take Maxtam indefinitely, or is it a short-term course?

A: Maxtam is a targeted anti-infective treatment that is prescribed for a defined, limited period to eliminate a specific bacterial infection. It is intended as a short-term course of therapy, not for indefinite, long-term use.


Q: Can children or teenagers be prescribed Maxtam?

A: Yes, official documentation addresses the use of Maxtam in pediatric patients, which includes children and neonates. The official dosage is defined based on the child's weight and age.


Q: Is Maxtam safe to use during pregnancy or while breastfeeding?

A: Official documents state that Maxtam is used during pregnancy when clearly needed. It is also noted that the active ingredient passes into human milk in small amounts during breastfeeding.


Q: What is the risk of an allergic reaction to Maxtam?

A: The official documentation explicitly states that Maxtam is restricted or contraindicated in individuals with a known hypersensitivity or allergy to it or its component ingredients. This restriction also applies to those with an allergy to other antibiotics in the cephalosporin class.


Q: Is Maxtam classified as a controlled substance?

A: According to official drug monographs, Maxtam is not classified as a controlled substance under the U.S. Controlled Substances Act (CSA) or similar international classifications.


Q: Is Maxtam available as a lower-cost generic equivalent?

A: Official regulatory records indicate that the patent protection for the Maxtam combination has expired. This has allowed for the availability of generic equivalent products containing the same active ingredients.

How should Maxtam be stored and disposed of?

Regulatory documents from global health authorities outline specific requirements for the storage, handling, and disposal of prescription medicines to ensure safety and stability. For Maxtam, the required conditions typically include storing the product within a designated temperature range, often at a controlled room temperature, and keeping the medicine in its original container to protect it from environmental factors like light or moisture.

Official Storage and Disposal Guidance

  • Mandatory Storage: Keep the medicine out of the sight and reach of children.
  • Packaging: Store the product in the original container to maintain drug stability as documented by the manufacturer and verified by regulatory bodies.
  • Disposal: Unused or expired medication must be disposed of according to local guidelines. The safest disposal method for most medicines, as recommended by agencies like the FDA, is typically a formal drug take-back program or a registered collector drop box. For medicines not on a designated 'flush list' and when a take-back option is unavailable, the product should be mixed with an undesirable substance, sealed in a bag, and discarded in household trash, rather than flushed down the toilet.

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

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