Cefam

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Medically reviewed

Laura Arias

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 Cefam

Quick Facts

Property Description
Active Ingredient Cefuroxime
Pharmacological Class Second-Generation Cephalosporin Antibiotic
Origin Semi-Synthetic
Forms Tablet, Oral Suspension, Powder for Injection
Common Use (General) Treating Systemic Bacterial Infections

What Type of Medicine is Cefam (Cefuroxime)?

Cefam, which contains the active ingredient Cefuroxime, is a synthetic prescription-only medicine classified as a second-generation cephalosporin antibiotic. This places it within the larger family of beta-Lactam antimicrobials, agents defined by their specific molecular structure. Cefuroxime is used across numerous patient populations due to its pharmacological profile. The Cefuroxime component is semi-synthetic, meaning it is chemically modified from a natural beta-lactam base to enhance its stability and effectiveness against a broad spectrum of susceptible bacteria.

What is the Purpose of a Second-Generation Cephalosporin?

The general purpose of Cefam is to combat systemic infections by acting as a bactericidal agent that kills harmful bacteria. Cefuroxime works by interfering with the integrity of the microbial cell wall, leading to the destruction of the infectious organism. Positioned as a second-generation agent, it offers coverage against a wider array of pathogens compared to older antibiotics. Its use is typical in situations requiring eradication of the pathogen. The bactericidal mechanism of Cefuroxime acts against a significant range of clinically relevant pathogens.

In What Forms is Cefuroxime Available?

Cefuroxime is available in multiple forms to accommodate both oral and parenteral (injection) routes of administration. The oral presentation, which includes tablets and an oral suspension, utilizes the prodrug Cefuroxime axetil to ensure absorption into the bloodstream. This formulation flexibility allows for transition between delivery methods. For acute or serious conditions, the medication is prepared as Cefuroxime Sodium—a sterile powder for injection—designed to be reconstituted with a vehicle for direct intravenous or intramuscular delivery.

What side effects are possible with Cefam?

Possible Side Effects and Safety Information

The safety profile of Cefam (Cefuroxime) is based on adverse reaction data officially documented by regulatory authorities, categorized by frequency and the body system affected. All documented side effects are consistent with its classification as a cephalosporin antibiotic.


Official Adverse Reaction Categories

Adverse reactions are grouped by System-Organ Class, with the most commonly affected systems being Gastrointestinal Disorders, Blood and Lymphatic System Disorders, and the Nervous System.

Classification Examples of Reactions
Common ( 1/100 to < 1/10) Eosinophilia, Headache, Dizziness, Diarrhea, Nausea, Transient increases in liver enzymes
Uncommon ( 1/1,000 to < 1/100) Vomiting, Abdominal pain, Leukopenia, Thrombocytopenia, Positive Coombs' test
Not Known Seizures, Haemolytic anaemia, Jarisch-Herxheimer reaction, Superinfection

Serious Safety Considerations

Regulatory documents emphasize the potential for serious adverse reactions, including severe hypersensitivity events like Anaphylaxis and life-threatening skin reactions. Clostridioides difficile-associated diarrhea (CDAD), which can progress to pseudomembranous colitis, is a serious documented risk that must be considered with nearly all antibiotic use.

Population and Contextual Safety Notes

The medicine is contraindicated in patients with a history of hypersensitivity to any cephalosporin or other beta-lactam antibiotic. Clearance is reduced in patients with renal impairment, requiring safety considerations for dosage. Prolonged administration carries a documented risk for superinfection by non-susceptible organisms. Additionally, the drug is known to cause interference with certain laboratory tests, such as a false-positive direct Coombs' test.

Overdose and Emergency Response

Cefam Overdose and when to seek help

Overdose with Cefam (Cefuroxime) is officially documented to present primarily with manifestations of CNS neurotoxicity. Documented signs and severe outcomes include neurological sequelae such as encephalopathy, myoclonus, convulsions (seizures), and in serious cases, coma.

When to Seek Immediate Medical Help

Immediate medical attention is required upon the observation of any severe neurological signs, including the onset of convulsions or profound changes in consciousness. Healthcare professionals must consider discontinuation of cefuroxime sodium if neurotoxicity is suspected. There is no specific antidote documented for Cefam overdose in the regulatory labeling; therefore, management focuses on providing symptomatic and supportive treatment.

Officially Documented Risk Factors and Management

Overdose symptoms may occur in patient groups with high systemic exposure. This risk is specifically noted if the dosage is not appropriately reduced for patients with underlying renal impairment, as the drug is cleared primarily by the kidneys. Additionally, elderly patients and those with existing central nervous system disorders are listed as being particularly susceptible to neurotoxicity. Procedurally, haemodialysis and peritoneal dialysis are documented methods that can be used to effectively reduce high serum concentrations of the active substance.

Therapeutic Uses of Cefam

What Cefam Treats: Main Uses and Benefits

Cefam is commonly used in situations involving certain distressing symptoms and applied across domains where additional symptomatic support is needed.

The medication is relevant for conditions presenting with acute episodes where symptoms produce noticeable physiological strain, covering areas such as the respiratory tract, conditions linked to organ-specific functional stress (e.g., in the urinary tract), and conditions linked to inflammatory or irritative states (e.g., skin). It is applied in clinical settings that involve acute or unstable symptom patterns, addressing symptoms associated with acute or episodic changes in respiratory, systemic, and localized areas.

The primary therapeutic purpose is related to symptomatic support: Cefam supports the patient during difficult episodes by contributing to easing the overall symptom load and assisting with maintaining functional stability. It helps address symptom clusters that may become intense or disruptive, such as symptoms related to systemic imbalance, physical discomfort, and functional strain.

Quick Fact: Symptomatic Support for Acute Episodes
General Benefit Provides support that helps ease the overall symptom burden.
Symptom Focus Symptoms related to systemic imbalance and physical discomfort.
Context of Use Applied during phases when symptoms become more noticeable (e.g., acute episodes).

Regulatory References

  1. Zinnat Art 30 - European Medicines Agency

Eligibility and Restrictions for Use

Cefam eligibility is determined by official regulatory documents, primarily based on patient history, age, and organ function.

Contraindicated Populations

Use of Cefam is strictly prohibited in patients with a known hypersensitivity (allergy) to the active substance, Cefuroxime, or to any other cephalosporin antibiotic. It is also contraindicated in those with a history of severe allergic reaction to any beta-lactam antibacterial agent, such as penicillins.

Age and Physiological Restrictions

Population Official Eligibility Status
Infants (< 3 months) Use is not established due to a lack of clinical data.
Children (3 months) Approved for use, typically with the oral suspension. Tablets are restricted for those unable to swallow them whole.
Renal Impairment Conditional Use; caution is required, and use may be restricted for those with markedly impaired renal function (creatinine clearance < 30 mL/min).
Pregnancy/Lactation Use during pregnancy is generally advised only if clearly needed. The drug is excreted in human milk, requiring caution for nursing mothers.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Co-administration of Cefam (Cefuroxime) with other medicinal products or substances results in documented interaction patterns that affect drug exposure or physiological endpoints, as described in regulatory labeling.


Interactions Altering Drug Exposure

Substances that change stomach acidity significantly affect Cefam's absorption. Acid-reducing agents, including antacids, H2 receptor antagonists, and Proton Pump Inhibitors, are associated with a lower bioavailability of Cefuroxime axetil; therefore, regulatory documentation recommends avoiding co-administration. Conversely, taking Cefam with food officially results in enhanced systemic exposure due to increased absorption. Co-administration with Probenecid, an agent that inhibits renal tubular secretion, is officially not recommended because it significantly increases the peak plasma concentration and area under the curve (AUC) of Cefuroxime. The use of Cefam with combined oral contraceptives may also lead to reduced contraceptive efficacy.


Pharmacodynamic and Procedural Interactions

Cefam may interact with Oral Anticoagulants (e.g., Warfarin), a combination that may give rise to an increased International Normalized Ratio (INR). The risk of this interaction is officially noted to be heightened in patients with concomitant factors such as renal or liver dysfunction. Combinations with Potent Diuretics or Aminoglycosides are documented to increase the risk of nephrotoxicity. Additionally, the drug may interfere with specific laboratory tests, causing false-positive results when testing for urine glucose using copper reduction methods.

Mechanism of Action

Cefam, which contains the active compound cefuroxime (a second-generation cephalosporin), acts as a bactericidal inhibitor of bacterial cell wall biosynthesis. Its primary biological targets are bacterial Penicillin-Binding Proteins (PBPs), which are transpeptidases essential for the final cross-linking step of peptidoglycan synthesis in the bacterial cell wall.

The molecule covalently binds to the active site of PBPs, leading to their irreversible inactivation. This inhibitory interaction prevents the formation of the necessary cross-links in the peptidoglycan polymer. The resulting failure to construct a structurally intact cell wall leads to a reduction in the cell wall's rigidity and integrity. This cellular process culminates in osmotic instability and subsequent activation of bacterial cell wall autolytic enzymes (autolysins), causing rapid cellular lysis and fragmentation. Cefuroxime also exhibits stability against hydrolysis by many bacterial beta-lactamase enzymes, a mechanism that protects the molecule's core structure from common bacterial resistance pathways. The system-level consequence is the elimination of susceptible bacterial populations.

Dosage and Administration Information

How to Use Cefam

Cefam (Cefuroxime) is administered via oral and parenteral routes, utilizing both Cefuroxime axetil (for tablets and suspension) and Cefuroxime Sodium (for injection).

Administration and Dosing

The typical adult oral dose ranges from 250 mg to 500 mg per administration, taken twice daily (every 12 hours). The parenteral form, used for intravenous (IV) or intramuscular (IM) injection, is typically dosed at 750 mg to 1.5 g per administration, often scheduled three times daily (every 8 hours).

Usage Instruction Key Procedural Requirement
Oral Intake Condition The medication is taken with food to enhance the absorption of the active ingredient.
Parenteral Route Administration occurs as an IV injection over 3 to 5 minutes, or as an infusion over 30 to 60 minutes.
Duration The course length is typically 7 to 10 days for oral therapy, though this may vary based on the clinical context.

Population-Specific Adjustments

Dose adjustments occur for patients with impaired renal function (kidney function), involving an extended interval between doses to prevent the medicine from accumulating in the body. Additionally, pediatric dosing is calculated based on the child's weight (mg/kg) rather than fixed adult doses. Oral tablets are swallowed whole and are not crushed or chewed.

Recent Clinical Evidence

Research evidence / Overview of studies for Cefam

Evidence for use in Respiratory Tract Episodes

The research on Cefam in conditions involving the respiratory tract primarily consists of randomized controlled trials (RCTs) and systematic reviews, which were studied for use in conditions characterized by fluctuating or episodic manifestations, such as tonsillitis, pharyngitis, and episodes affecting the lower respiratory tract. These studies were evaluated in populations of adults, adolescents, and children, often comparing Cefam to other antibiotics.

Research has explored the resolution of outcomes related to physical discomfort (like fever or pain) and the study of bacteriological clearance. Findings describe patterns observed in the studies where clinical measurements of bacteriological clearance were reported in the study groups. Existing studies provide limited insight into outcomes when applied to cases where a bacterial cause is not definitively established.


Evidence for use in Localized Infections and Surgical Settings

Cefam was studied for use in acute infections involving the urinary tract (UTIs) and the skin, as well as for surgical prophylaxis, where the reduction of post-operative infection was a primary measured outcome. Trials in women with uncomplicated UTIs research examined the ability to achieve bacteriological cure and the resolution of outcomes related to systemic or functional imbalance, such as discomfort during urination. Findings contribute to understanding symptom patterns by describing changes measured during the study period.

The intravenous form of Cefam was evaluated in cohort studies and randomized trials for pre-operative surgical prophylaxis. Cefam was also observed in comparative trials for early Lyme disease (Erythema Migrans), where researchers monitored the resolution of the rash and monitored long-term outcomes to determine whether later, more serious disease manifestations may develop.


Key Research Gaps and Uncertainties

Most clinical evidence for Cefam is derived from studies focused on short-term symptom changes. Follow-up durations were limited in the majority of core clinical trials. Comparative evidence remains limited for some of the newer treatment options currently available. Furthermore, research does not determine whether an individual will respond similarly, as the findings describe group patterns observed in the studies.

Key Studies & References Cefuroxime for Surgical Prophylaxis: A Review of Clinical Trials and Regulatory Guidance

Frequently Asked Questions (FAQ)

Common questions about Cefam (FAQ)

Q: What types of bacterial infections is Cefam used to treat?

Official product information states that Cefam is used to treat a variety of bacterial infections. These include respiratory tract infections (like bronchitis), urinary tract infections (UTIs), uncomplicated skin infections, and certain sexually transmitted infections. It is also officially approved for use in the treatment of early Lyme disease (erythema migrans).

Q: Can Cefam be used for infections of the ear, nose, or throat?

Yes, the official indications for Cefam include specific infections in these areas. This covers conditions such as pharyngitis (throat infection), tonsillitis, acute bacterial otitis media (ear infection), and acute bacterial maxillary sinusitis (nose/sinus infection).

Q: How quickly does Cefam typically start working on an infection?

Studies and official drug information indicate that patients typically begin to feel better during the first few days of treatment with Cefam. This expected onset of improvement may vary depending on the specific infection being treated and individual response.

Q: What is the reason for needing to complete the full course of Cefam, even if symptoms improve?

The official guidance emphasizes the importance of completing the entire prescribed course of Cefam, even if symptoms begin to improve. Stopping the prescribed course prematurely may lead to an incomplete resolution of the infection. Furthermore, this is a factor that may increase the general risk of the bacteria developing antibiotic resistance.

Q: What is the general risk described by health authorities if a patient stops Cefam early?

Regulatory guidance outlines that stopping treatment prematurely may result in an incomplete resolution of the original infection. This action can also contribute to the general risk of the bacteria becoming resistant to the antibiotic.

Q: What happens if a patient misses a dose of Cefam?

Official guidelines state that if a dose is missed, it may be taken as soon as it is remembered. If it is near the time for the next scheduled dose, official documents describe skipping the missed dose and continuing with the regular schedule. Official labeling explicitly notes that a double dose should not be administered to compensate for a forgotten one.

Q: What are the signs of a serious allergic reaction to Cefam?

The official product warning sections describe that signs of a serious allergic reaction may include rash, hives, and severe itching. Signs described in the warnings sections include difficulty breathing or swallowing, wheezing, or swelling that affects the face, tongue, or throat.

Q: Can consuming alcohol affect the safety or effectiveness of Cefam?

Official safety reports indicate a rare but severe reaction when alcohol is consumed while using the injected form of Cefam (Cefuroxime sodium). This reaction is described as a disulfiram-like reaction. Due to this potential risk, regulatory information indicates that any concerns about consuming alcohol during treatment should be discussed with a healthcare professional.

Q: What is the safety classification of Cefam for use during pregnancy?

The US FDA has not assigned a specific pregnancy category to Cefam (Cefuroxime). Official data spanning several decades have not established a confirmed drug-associated risk in pregnant women. However, official documents state that its use during pregnancy is advised only when the potential benefit is determined to outweigh the potential risk.

Q: Is Cefam effective against methicillin-resistant bacteria (like MRSA)?

Official information in clinical literature notes that Cefam (Cefuroxime) is generally not considered an effective treatment against Methicillin-Resistant Staphylococcus aureus (MRSA). The drug’s spectrum of activity is specific to certain types of susceptible bacteria.

Q: What should a patient know about using Cefam if they have a history of colitis?

Official regulatory documents include a serious warning about the risk of Clostridioides difficile-associated diarrhea (CDAD) with nearly all antibiotics, including Cefam. Because this condition can lead to pseudomembranous colitis, official labeling indicates that patients with a history of severe gastrointestinal disease, particularly colitis, should be assessed with caution.

Q: What is the official description of Cefam's use in relation to uncomplicated gonorrhea?

Cefam (Cefuroxime axetil) is officially indicated for the treatment of uncomplicated gonorrhea, specifically covering infections of the urethra and endocervix. This applies to both penicillinase-producing and non-penicillinase-producing susceptible strains of bacteria.

Q: What is the maximum duration Cefam is usually prescribed for?

The prescribed duration of Cefam treatment varies widely depending on the specific infection being treated. The typical course for most common infections is often between 7 and 10 days. However, the longest duration approved by regulatory documents is 20 days, which is indicated for the treatment of early Lyme disease.

Q: Why does Cefam sometimes cause temporary redness or pain at the injection site?

The official adverse event listings for the injected form of Cefam (Cefuroxime sodium) note that side effects can occur at the injection site. These include local reactions such as temporary pain, redness, swelling, or bleeding near the injection area.

Q: What considerations are needed for using Cefam in patients with a history of liver disease?

According to official pharmacokinetics data, dose adjustment is generally not required for patients with mild to moderate liver impairment. This is because Cefam is not significantly processed or broken down by the liver. However, official guidance indicates that monitoring of hepatic function is typically advised for those with severe liver dysfunction.

How should Cefam be stored and disposed of?

How to Store and Dispose of Cefam (Cefuroxime)

Official labeling defines strict requirements for storing and disposing of Cefam (Cefuroxime) to maintain its stability and ensure public safety.

Storage Requirements

Formulation Required Conditions
Tablets Store at Controlled Room Temperature (20 C to 25 C). Keep in the original, tightly closed container and away from excess heat and moisture.
Oral Suspension (Liquid) The reconstituted liquid must not be frozen. It is stable for a limited time, typically 7 to 10 days, when stored refrigerated or at room temperature (not exceeding 30 C), after which it must be discarded.

All forms of this medication must be stored out of the sight and reach of children. The powder for suspension should also be protected from light prior to mixing.

Disposal

Expired or unused Cefam must be disposed of according to local and national regulations for pharmaceutical waste. Medicine should generally not be disposed of via wastewater.

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

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