Цефикс

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Цефикс

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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 Цефикс

This foundational section defines the identity, composition, and general purpose of the antibacterial medication Цефикс (Cefixime), adhering strictly to factual accuracy and excluding specific dosing, usage, or safety details.

Property Description
Active Ingredient Cefixime (Cefixime trihydrate)
Form Tablets, Capsules, Powder for Oral Suspension
Pharmacological Class Third-generation Cephalosporin Antibiotic
Common Use Treating Bacterial Infections
Origin Semisynthetic beta-Lactam Compound

What Type of Medicine is Цефикс?

Цефикс is a potent, prescription-only antibiotic substance whose core active ingredient is Cefixime. It is categorized as a third-generation cephalosporin, which positions it within the larger family of beta-lactam antibiotics. This structural designation is characterized by its broad-spectrum activity against a wide range of susceptible bacteria, making it a valuable tool in managing infectious disease.

Cefixime: Composition, Origin, and Available Forms

The active compound, Cefixime, is a semisynthetic chemical entity, meaning it is derived via chemical modification to optimize its therapeutic characteristics, ensuring effective oral administration. As a single-ingredient product, Цефикс is indicated for use in both adults and pediatric patients. The availability of the powder for oral suspension formulation is a key feature for treating younger populations. It is manufactured in various pharmaceutical preparations, including tablets, capsules, and the liquid-ready powder, allowing the product to be administered flexibly.

How Does This Antibacterial Drug Work?

The physiological action of Цефикс is defined as bactericidal, actively killing bacteria rather than just limiting their growth. The mechanism involves the inhibition of bacterial cell wall synthesis, a critical function the bacterium requires for structural integrity. This direct, destructive mechanism contributes to its broad-spectrum efficacy in clearing bacterial infections, commonly indicated for conditions like uncomplicated urinary tract infections or acute otitis media.

Regulatory References

  1. World Health Organization Essential Medicines List

What side effects are possible with Цефикс?

Possible side effects and safety information

The official safety profile for Цефикс (Cefixime), a third-generation cephalosporin, is structured by regulatory agencies based on frequency and affected physiological systems. The highest likelihood of adverse reaction is associated with Gastrointestinal Disorders, primarily diarrhea, which is consistently documented as a Very Common event in regulatory labeling, along with Common occurrences of nausea, abdominal pain, and vomiting.


Adverse effects are also documented across other System-Organ Classes. These include Blood and Lymphatic System Disorders (e.g., transient thrombocytopenia), Nervous System Disorders (e.g., headaches, dizziness, and rare reports of seizures or encephalopathy), and Hepatobiliary Disorders (e.g., transient increases in liver enzymes).


Serious Adverse Reactions and Population Notes

The regulatory profile identifies specific Serious Adverse Reactions (SARs), which, although rare, are clinically significant. These include immediate anaphylactic/anaphylactoid reactions and severe, delayed skin conditions known as Severe Cutaneous Adverse Reactions (SCARs), such as Stevens-Johnson Syndrome. The potential for severe Clostridium difficile-Associated Diarrhea (CDAD) is also noted, which may manifest during or up to two months after administration.

Safety statements include a critical consideration for patients with severe renal impairment, requiring adjustment to the medicine's amount due to reduced elimination. Caution is advised regarding the risk of cross-hypersensitivity in individuals with a history of penicillin allergy, a limitation common to the beta-lactam class. Furthermore, concomitant use with coumarin-type anticoagulants may be associated with an increased prothrombin time.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information regarding Цефикс (Cefixime) overdosage describes specific clinical manifestations and mandated emergency actions, strictly defining when urgent medical intervention is required.

Documented Overdose Profile

Domain Official Regulatory Statements
Documented Overdose Manifestations Clinical signs of acute overdose are primarily linked to Central Nervous System (CNS) neurotoxicity, including seizures (convulsions), confusion, encephalopathy, and impairment of consciousness. Mild to moderate gastrointestinal effects may also occur.
Specific Overdose Risk The risk of severe neurological symptoms is officially noted to be increased in patients with pre-existing renal impairment due to reduced clearance.
Management Status No specific antidote is known for Cefixime overdosage. Treatment is defined as strictly symptomatic and supportive. The regulatory documents state that the drug is not removed from the circulation in significant quantities by hemodialysis or peritoneal dialysis.

When to Seek Immediate Medical Help

Regulatory guidance mandates that patients seek immediate emergency medical attention for any suspected overdose. Urgent contact with emergency services is specifically required if the affected individual displays seizures, has collapsed, shows signs of trouble breathing, or cannot be awakened. The treatment protocol involves general supportive measures, such as gastric lavage, if clinically appropriate.

Therapeutic Uses of Цефикс

What Цефикс Treats: Main Uses and Benefits

Цефикс (Cefixime) is an antibiotic commonly used to help with acute, symptomatic infections caused by susceptible bacteria. This medicine is applied across domains where additional symptomatic support may be needed.


Therapeutic Domains

The therapeutic domains may include conditions such as uncomplicated urinary tract infections (UTIs), acute otitis media (middle ear infection), pharyngitis and tonsillitis, acute exacerbations of chronic bronchitis (AECB), and uncomplicated gonorrhea. The medication is relevant for managing symptom clusters that create noticeable physiological strain, such as fever, dysuria (painful urination), and intense ear or throat discomfort. It supports patients during difficult episodes by easing distress from symptoms related to systemic imbalance.

Supportive Benefit

The supportive therapeutic benefit is that the treatment may provide supportive relief when symptoms become temporarily overwhelming, contributing to improved comfort during periods of heightened symptoms. It may assist with maintaining functional stability during symptomatic periods, making the acute phase more manageable.

Quick Fact: Relief for Painful Symptoms
This medicine may assist with easing specific symptoms related to physical discomfort, such as the earache associated with acute otitis media and the burning sensation of a UTI, when a bacterial cause is confirmed.

Eligibility and Restrictions for Use

Eligibility and Contraindications

Цефикс (Cefixime) is a prescription medicine with specific regulatory requirements defining who can and cannot use it. This section reflects official government-mandated information regarding eligibility.

Classification Eligible Population Restriction/Status
Adults and Children Adults and pediatric patients mathbf6 months and older Use is allowed
Age-related Infants less than mathbf6 months of age Safety and efficacy not established
Allergy Known hypersensitivity to cefixime or other cephalosporins Contraindicated
Cross-Allergy History of immediate/severe allergy to penicillins or beta-lactams Contraindicated (Caution advised for non-immediate reactions)
Renal Function Creatinine clearance less than mathbf60 mL/min Dose adjustment is required (Use is restricted without adjustment)
PKU Patients with Phenylketonuria (PKU) Contraindicated for the chewable tablet formulation (contains phenylalanine)
Pregnancy Pregnant individuals Use only if clearly needed (as per U.S. FDA labeling)
Lactation Nursing Mothers Discontinuation of nursing should be considered during treatment

Use is also cautioned in patients with a history of gastrointestinal disease, particularly colitis. All prescribing decisions must be made by a healthcare professional based on individual clinical status and official product labeling.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section details the officially documented interaction patterns for Цефикс (Cefixime) based strictly on authoritative government regulatory information. These interactions involve specific medicinal products and substance classes that may alter drug exposure or therapeutic effects.

Documented Interaction Patterns

Interacting Substance Official Interaction Outcome Classification
Oral Anticoagulants (e.g., Warfarin) Pharmacodynamic Potentiation (Increased Prothrombin Time)
Probenecid Pharmacokinetic Modification (Increased Cefixime Plasma Concentration)
Carbamazepine Altered Exposure (Elevated Carbamazepine Plasma Levels)

Co-administration with oral anticoagulants, such as Warfarin, is officially associated with an increase in Prothrombin Time (PT), requiring increased monitoring of the International Normalized Ratio (INR). This is due to a pharmacodynamic potentiation effect. Probenecid has been documented to inhibit the renal excretion of Cefixime, resulting in a substantial increase in Cefixime's systemic exposure (AUC and Cmax), which is a key pharmacokinetic modification. Additionally, elevated Carbamazepine plasma levels have been reported when Cefixime is used concomitantly.

There are no documented contraindications based solely on interaction risk. No mandatory time separation rules (timing-based restrictions) are uniformly stated in official labeling for Cefixime co-administration with other medicines. Patients with severe renal impairment have reduced Cefixime clearance, which may amplify the effect of exposure-altering interactions.

Mechanism of Action

Cefixime is a third-generation cephalosporin antibiotic. Its mechanism of action involves highly specific molecular targets within the bacterial cell, leading to the disruption of structural integrity.


Cell Wall Synthesis Inhibition via Penicillin-Binding Proteins

This domain describes the primary molecular target of Cefixime, which is the family of penicillin-binding proteins (PBPs) found in the bacterial cell membrane. Cefixime acts within domains involving enzyme-mediated signaling by binding covalently to these PBPs, which are crucial transpeptidases responsible for the final stage of peptidoglycan synthesis. Modifying these early molecular steps within the cell wall cascade inhibits the cross-linking of peptidoglycan chains. The mechanistic consequence is the inhibition of peptidoglycan cross-linking and subsequent loss of cell wall rigidity.


Stability Against Beta-Lactamase Enzymes

This mechanistic domain highlights Cefixime's structure as a beta-lactam antibiotic that is relevant in systems where targeted pathway adjustment is required. Cefixime's chemical structure confers stability against many bacterial enzymes known as beta-lactamases. This structural characteristic prevents enzymatic hydrolysis by many beta-lactamases. The drug's stability in the presence of beta-lactamases preserves its inhibitory activity against PBPs.

Dosage and Administration Information

How to Use Цефикс (Cefixime): Official Administration Guidelines

Цефикс (Cefixime) is administered exclusively via the oral route in adult and pediatric patients. Its usage patterns are established to ensure standardized dosing and frequency. The medicine is available in several forms, including tablets (400 mg, 200 mg), capsules (400 mg), and a powder for oral suspension.

Official Dosing and Scheduling

The standard regimen for most adults is 400 mg per day, which may be taken as a single daily dose or divided into two 200 mg doses every 12 hours. For pediatric patients (aged 6 months and older), the regimen is based on body weight, typically 8 mg/kg of body weight per day.

Administration Condition Official Instruction
Timing in Relation to Meals Can be taken with or without food.
Renal Impairment Dose adjustment is required for adults when creatinine clearance (CLCr) is less than 60 mL/min.
Suspension Preparation The powder must be reconstituted with water and shaken well prior to administration.

Treatment duration varies by infection but typically ranges from 7 to 14 days. For certain infections, such as uncomplicated gonorrhea, a single 400 mg dose is used. If a dose is missed, it should be taken as soon as remembered, but two doses should not be taken simultaneously.

Recent Clinical Evidence

Research evidence / Overview of studies for Цефикс

Evidence for Use in Urinary Tract Infections (UTIs)

Research on the compound Cefixime for uncomplicated UTIs has primarily utilized short-term comparative trials and clinical evaluations. These studies were conducted during periods of increased symptom activity and research examined how the target bacteria were measured for clearance (bacteriological eradication) and how outcomes related to physical discomfort and painful urination evolved over the study period. Studies monitored clearance rates, and reports described the patterns observed in the data following the course of therapy. Long-term outcomes are not well characterized; evidence so far provides limited insight into long-term prevention or whether post-treatment stability persists over many months.


Evidence for Use in Pediatric and Throat Infections (AOM and Pharyngitis/Tonsillitis)

For acute otitis media (ear infections), research examined short-term symptom changes in pediatric patients using Randomized Controlled Trials (RCTs) and systematic reviews. Studies monitored outcomes linked to inflammatory or irritative states, such as the resolution of fever and ear discomfort. Comparative evidence explores outcomes against other comparator antibiotics. Research highlights changes measured during the study period, with reports describing defined clinical endpoints over the standard treatment duration. Studies focusing on clearance for pharyngitis and tonsillitis exist in both adults and children, but long-term effects are not fully established beyond the immediate clearance of the infection.


Evidence for Use in Acute Exacerbations of Chronic Bronchitis (AECB)

The evidence for Cefixime in Acute Exacerbations of Chronic Bronchitis (AECB) comes mainly from RCTs, including trials designed to show non-inferiority against existing treatments. These studies were applied in research contexts involving fluctuating or unstable symptoms in adult populations. Studies monitored outcomes related to systemic or functional imbalance, specifically looking at measures such as improvements in shortness of breath and changes in sputum quality. Studies examined how short-course regimens compared to different treatment lengths, and reports described patterns related to early outcome measures, but findings were mixed depending on the specific severity of the patient's condition.


What is Still Uncertain About Цефикс Research

A significant limitation is that comparative evidence is lacking or mixed for certain infections, making it difficult to contextualize the study results when compared with other antibiotic options. Furthermore, the evidence quality varies across studies, and long-term effects are not fully established, as follow-up durations were often limited to just a few weeks. Ongoing surveillance is required due to concerns about bacterial resistance, which can impact the relevance of older study findings. The research provides context but not individual predictions, and findings describe group patterns, not personal outcomes.

Key Studies & References

  1. Management of acute otitis media - Database of Abstracts of Reviews of Effects (DARE) (Includes Cefixime comparisons)

Frequently Asked Questions (FAQ)

Common questions about Hydrochlorothiazide (HCTZ) (FAQ)

Q: Can I stop taking HCTZ once my blood pressure is normal?

Regulatory information and clinical guidance generally advise against abruptly discontinuing HCTZ, even if blood pressure readings have improved. High blood pressure often has no symptoms, and discontinuation may lead to a rise in blood pressure, potentially increasing cardiovascular risks. Consultation with a healthcare provider is necessary before making any changes to a medication regimen.


Q: What is the best time of day to take Hydrochlorothiazide?

HCTZ is a diuretic ('water pill'), meaning it increases urination frequency. To help avoid interrupted sleep, the product labeling often suggests taking HCTZ in the morning, usually with a meal. Taking the medication late in the afternoon or evening is generally avoided as it may cause nighttime urination.


Q: Does HCTZ cause weight loss?

Some individuals may experience a slight, temporary weight reduction when starting HCTZ. This is because the medication works by helping the body excrete extra fluid (water weight). This initial weight change is typically related to fluid loss, not fat loss. The effect usually stabilizes after the first few days to a week. If significant or unintended weight loss occurs, it is recommended to consult a healthcare provider.


Q: Can I drink alcohol while taking HCTZ?

Caution is generally advised when consuming alcohol while taking HCTZ. Both alcohol and HCTZ can lower blood pressure and increase the risk of dehydration. Combining them may potentially lead to an unsafe drop in blood pressure (hypotension), dizziness, or fainting. Patients are generally advised to discuss alcohol consumption with their prescribing physician.


Q: How long does it take for Hydrochlorothiazide to start working?

HCTZ begins its diuretic action quickly; increased urination may be noticed within a couple of hours. However, the full effect on blood pressure reduction is not immediate. Achieving the maximum therapeutic effect on blood pressure may take several weeks of consistent use. Maintaining the prescribed regimen during this period is typically recommended.

How should Цефикс be stored and disposed of?

Storage and Handling Requirements

Dosage Form Storage Temperature Stability Constraint
Tablets/Capsules Controlled Room Temperature (20 C–25 C) Keep from excess heat/moisture
Reconstituted Suspension Room Temp. or Refrigerated (2 C–25 C) Discard unused portion after 14 days

Solid dosage forms and the powder for suspension must be stored in their tightly closed original container and kept from freezing and excessive moisture. The reconstituted liquid must be shaken well before each use and kept out of the reach and sight of children.

Disposal Instructions

Do not flush the medication down a toilet or pour it into a drain unless specifically instructed. The preferred method for disposal of unused or expired Cefixime is through an official drug take-back program. If such a program is unavailable, mix the medicine with an undesirable substance (such as dirt or coffee grounds) and place the mixture in a sealed bag before disposal in the household trash, in accordance with regulatory guidelines.

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

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