Cefime

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Cefime

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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 Cefime

Property Description
Active ingredient Cefixime (INN)
Primary Brand Example Suprax
Pharmacological class Third-Generation Cephalosporin (Antibiotic)
Common Use Bacterial ear, throat, and urinary tract infections
Rx Status Prescription-Only (Rx)

Cefixime is a semi-synthetic, prescription-only cephalosporin antibiotic used to treat a variety of bacterial infections. It is the active ingredient in the widely recognized brand Suprax and is available in multiple oral forms, including tablets, capsules, and a liquid suspension, making it suitable for both adults and children.

Cefixime is classified as a third-generation cephalosporin. This classification means the medicine has a broad antibacterial spectrum, which provides activity against key respiratory and urinary pathogens. This makes it a clinically recognized option for conditions such as bacterial bronchitis and otitis media (ear infections).

Its primary function is to eliminate bacteria by interfering with their ability to build or repair their protective cell walls, which leads to bacterial death. This action is critical for clearing up infections caused by susceptible organisms. A differentiating factor of Cefixime is its relatively long elimination half-life, which often allows for simplified once-daily dosing.

It is essential to understand that Cefixime is effective only against bacterial infections and must not be used to treat viral illnesses, such as the common cold or influenza. It is a vital, prescription-only tool reserved for confirmed bacterial threats.

Regulatory References

  1. National Center for Biotechnology Information (NCBI)

What side effects are possible with Cefime?

Possible Side Effects and Safety Information

The safety profile for Cefime (Cefixime) is structured by official regulatory bodies to categorize documented adverse reactions based on system involvement and frequency. The most common adverse effects observed in clinical data and surveillance are primarily related to the Gastrointestinal System, including diarrhea, loose stools, abdominal pain, and nausea, which are classified as Common.


System-Organ Class Groupings and Frequency

Adverse reactions are grouped by affected physiological systems, such as Nervous System Disorders (e.g., headache, dizziness) and Skin and Subcutaneous Tissue Disorders (e.g., rash, pruritus), often classified as Uncommon or Rare.

Serious Adverse Reactions

The regulatory profile documents rare but clinically significant events. These Serious Adverse Reactions include severe hypersensitivity (e.g., anaphylactic/anaphylactoid reactions), severe dermatologic conditions (e.g., Stevens-Johnson Syndrome, Toxic Epidermal Necrolysis), and severe gastrointestinal issues such as Clostridium difficile-associated diarrhea (CDAD), which can occur even after treatment completion. Events such as acute renal failure and seizures are also noted in the safety literature.

Population-Specific Safety Notes

The official labeling includes safety considerations for specific populations. Patients with Renal Impairment are noted to have an increased risk of toxicity, such as neurological effects, due to reduced clearance of the medicine. The incidence of gastrointestinal side effects in pediatric patients receiving the suspension is generally comparable to that reported in adults.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information states that there is no specific experience documented regarding acute Cefixime overdose in humans. Adverse reactions observed at very high doses did not significantly differ from the known side-effect profile.

The primary concern in an overdosage situation is the potential for seizures (convulsive attacks), which is documented as a severe complication associated with the cephalosporin class of antibiotics. This risk is notably increased in patients with renal impairment if the dose is not appropriately reduced, as impaired clearance leads to higher drug concentrations.

Required Emergency Actions

Urgent medical attention must be sought immediately for any suspected overdose or if severe symptoms, such as seizures, occur. Regulatory documents explicitly state that no specific antidote exists for Cefixime.

Management is primarily symptomatic and supportive. Procedures that may be indicated include gastric lavage following recent ingestion of a large quantity. For seizure management, the drug must be discontinued, and anticonvulsant therapy may be administered if clinically necessary. Regulatory data confirms that hemodialysis and peritoneal dialysis do not effectively remove significant amounts of the drug.

Therapeutic Uses of Cefime

What Cefime Treats: Main Uses and Benefits

Cefime is prescribed for managing certain bacterial infections in adult and pediatric patients (six months of age and older). As with other medications in this class, Cefime is only effective against infections caused by susceptible bacteria and does not act against viral illnesses like the common cold or flu.


Quick Facts: Therapeutic Domain

  • Uncomplicated Urinary Tract Infections: May be considered for infections in the urinary tract caused by specific susceptible organisms.
  • Otitis Media: Used in the management of middle ear infections caused by designated bacterial isolates.
  • Pharyngitis and Tonsillitis: May be prescribed to address bacterial infections of the throat and tonsils.
  • Acute Exacerbations of Chronic Bronchitis: Considered for episodes of worsened chronic bronchitis symptoms related to bacterial infection.
  • Uncomplicated Gonorrhea: May be used as a treatment option for specific, uncomplicated cervical and urethral gonococcal infections.

This medication is primarily intended to help patients achieve a measurable reduction in symptoms associated with these conditions. It is an agent used to disrupt the growth of bacteria and is part of a comprehensive strategy for infection control.

Eligibility and Restrictions for Use

Who Can and Cannot Use Cefime?

The official eligibility profile for Cefime (Cefixime) is strictly defined by regulatory authorities concerning patient age, allergy history, and pre-existing medical conditions.


Absolute Contraindications

Cefime must not be used by patients with a known hypersensitivity to the active ingredient, Cefixime, any of its excipients, or any antibiotic belonging to the cephalosporin class of drugs. Caution is also mandatory for those with a history of penicillin hypersensitivity due to the risk of cross-allergenicity.


Age and Condition-Based Restrictions

Population Group Official Eligibility Status
Infants under 6 months Not established. Safety and effectiveness are not established in this age group.
Adults and Children 6 months Allowed under standard labeled conditions.
Severe Renal Impairment Restricted use. Eligible patients require mandatory dosage modification due to reduced clearance (e.g., Creatinine Clearance <60 mL/min).
Pregnancy/Lactation Conditional use. Use is only advised when clearly needed, following regulatory-mandated risk assessment (e.g., FDA Category B status).
History of Colitis Caution. Patients with a history of gastrointestinal disease, especially colitis, are flagged for use with caution due to the documented risk of associated diarrhea.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents describe several interactions involving Cefime, which fall into categories of additive risk and modification of plasma concentrations for co-administered substances. No combinations are formally labeled as strictly contraindicated.


Pharmacodynamic and Exposure Interactions

Interacting Substance / Product Documented Interaction Outcome
Coumarin-type Anticoagulants (e.g., Warfarin) Increased prothrombin time has been reported, sometimes associated with clinical bleeding. This enhanced effect is noted in the official label.
Potentially Nephrotoxic Agents (e.g., Aminoglycosides, Colistin) Concomitant use with nephrotoxic substances and strong-acting diuretics (e.g., Furosemide) induces an increased risk of impairment of renal function.
Carbamazepine Reports indicate elevated Carbamazepine serum concentrations when administered concurrently.
Nifedipine May increase the bioavailability of Cefixime by up to 70%.
Oral Contraceptives The administration of Cefixime may reduce the efficacy of oral contraceptives.

Procedural and Population Notes

The medication may be administered without regard to meals, as stated in the prescribing information. No mandatory timing separation is documented.

Certain populations, including patients with renal or hepatic impairment or those in a poor nutritional state, are noted to be at higher risk for the enhanced coagulation effects observed when Cefixime is co-administered with anticoagulants.

Cefixime can cause false-positive results for specific laboratory tests: non-enzymatic urinary glucose tests (using copper reduction methods) and the direct Coombs test.

Mechanism of Action

Cefixime, a beta-lactam antimicrobial, acts as an inhibitor targeting essential bacterial cell wall synthesis. Its primary biological targets are Penicillin-Binding Proteins (PBPs), specifically displaying high affinity for PBP-3, PBP-1a, and PBP-1b. Cefixime forms a stable, covalent bond with the active site of these transpeptidase enzymes, which are critical for the final stage of peptidoglycan assembly. This binding event prevents the cross-linkage of glycan-peptide chains. The resulting inhibition of transpeptidation disrupts the structural integrity and homeostatic regulation of the bacterial cell wall. This intracellular and molecular blockade causes the formation of defective, structurally weak cell walls. The downstream cascade involves the inability of the bacterial cell to withstand high internal osmotic pressure, leading to the system-level physiological consequence of rapid cell lysis and eventual disintegration of the microorganism.

Dosage and Administration Information

How Cefime is Used: Official Administration Guidelines

Cefixime (Cefime) is administered exclusively via the oral route and is available in dosage forms including capsules, film-coated tablets, and a powder for oral suspension. The medicine may be taken without regard to food, allowing flexibility in its schedule.


Standard Dosing and Frequency

For adults, the typical regimen involves a total daily dose of 400 mg, administered either as a single dose once daily or split into 200 mg doses every 12 hours. A single 400 mg dose is also specified for treating certain uncomplicated infections. Use in pediatric patients (six months of age and older) is based on body weight, typically set at 8 mg/kg/day.


Procedural Conditions and Adjustments

Specific preparation and duration rules apply. The oral suspension must be shaken well before use, and chewable tablets must be crushed or chewed prior to swallowing. Duration of treatment is infection-dependent, but infections caused by Streptococcus pyogenes have a mandatory minimum course of 10 days. Furthermore, a dose reduction is required for patients with moderate to severe renal impairment to maintain appropriate levels of the medicine.


Connection to the Overall Use Protocol

These instructions establish a standardized protocol for Cefixime administration, defining the required oral route, specific dose ranges, and flexible once or twice daily frequency. This structure dictates procedural uniformity, incorporating dose adjustments for reduced kidney function and setting fixed minimum durations for specific pathogens.

Recent Clinical Evidence

Cefime: Recent Clinical Evidence


Evidence for use in Major Depressive Disorder (MDD)

Cefime was studied for conditions characterized by fluctuating or episodic manifestations of Major Depressive Disorder in adults. The research primarily consisted of Randomized Controlled Trials (RCTs), which are research designs used to evaluate symptom patterns. These trials research examined outcomes related to systemic or functional imbalance, such as symptom intensity or variability measured by standardized rating scales. Research exploring short-term symptom changes (typically 6 to 12 weeks) describes patterns observed in the studies regarding how symptoms evolved in the observed populations. Evidence for outcomes beyond the intermediate term (about six months) is limited, and long-term effects are not fully established. Data for certain groups remain insufficient, and the ability to generalize findings to all individuals with MDD is not yet established.


Evidence for use in Chronic Pain (e.g., DPNP)

Cefime was studied for conditions involving periods of heightened symptoms such as chronic pain, including diabetic neuropathic pain. The research structure consists of controlled trials used in studies examining symptom intensity or variability and applied in studies examining patient-reported experiences of pain and functional limitations. The focus was observed in outcomes related to physical discomfort. Data show patterns related to numerical and visual pain ratings reported by participants over short-term study periods (typically 8 to 16 weeks). Findings were mixed, and there is variability in the underlying medical conditions characterized by fluctuating or episodic manifestations. There is limited information for long-term outcomes regarding the sustained effects on pain and function, and the research primarily provides insight into short-term changes.


What is still uncertain about Cefime

A key area of uncertainty is the lack of long-term outcomes data, meaning it is not fully known how patterns observed in the studies are maintained over many years. Evidence quality varies across studies due to differences in design and population, which contributes to overall uncertainty. Comparative evidence is lacking regarding how Cefime was associated with outcomes compared to other widely studied interventions. The current research evidence highlights what is known — and what is still uncertain.

Key Studies & References Efficacy of Cefime in Reducing Pain Intensity in Diabetic Peripheral Neuropathic Pain: A Multi-Center Study

Frequently Asked Questions (FAQ)

Common questions about Cefime (FAQ)


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

According to official drug information, patients typically begin to feel better during the first few days of treatment with Cefime. If you notice that your symptoms do not improve or if they get worse after starting the medicine, consult a healthcare provider.


Q: If I miss a dose of Cefime, what happens to the treatment?

If a dose is missed, regulatory information describes the process of taking a dose as soon as it is remembered. However, if it is almost time for the next scheduled dose, the process involves skipping the missed dose. It is specified that a double dose is not used to make up for a single missed one.


Q: Is Cefime known to interact with common pain relievers?

The official product label lists interactions with medicines like Coumarin-type anticoagulants and Carbamazepine. However, the label does not typically list common non-steroidal anti-inflammatory drugs (NSAIDs) or other over-the-counter pain relievers as formal interacting substances.


Q: What foods or drinks should I be careful about when using Cefime?

Official prescribing information states that Cefime may be taken without regard to food, offering flexibility in its use. Official documents describe continuing a normal diet unless specific guidance is provided.


Q: Do I need to take Cefime with food?

Official prescribing instructions confirm that the medicine may be administered without regard to food. This indicates that timing the dose around meals is not necessary.


Q: Are there official warnings about operating machinery while using Cefime?

The safety profile notes that some side effects, such as headache and dizziness, can occur. Official warnings advise users to exercise caution when operating machinery or driving if they experience side effects that may affect concentration or motor skills.


Q: Can Cefime be taken by someone with diabetes?

The official label does not list diabetes as a contraindication or general precaution. However, regulatory documents warn that the medicine can cause false-positive results for specific laboratory tests, notably non-enzymatic urinary glucose tests which are based on copper reduction methods.


Q: Why is the full course of Cefime important even if I feel better?

Official directions specify the importance of completing the full prescribed amount of medicine. Stopping treatment too soon or skipping doses increases the risk that the infection may not be fully eliminated. This action also creates a greater opportunity for the remaining bacteria to become resistant to antibiotics.


Q: What is the typical course length for Cefime treatment?

The usual course of treatment is generally described as being 7 days, which may be extended up to 14 days based on the official guidelines. Treatment for infections caused by certain specific bacteria, such as Streptococcus pyogenes, requires a minimum course of 10 days.


Q: Why is Cefime prescribed for infections in different parts of the body?

Cefime is classified as a third-generation cephalosporin, which is a type of antibiotic known for having a broad antibacterial spectrum. This characteristic means it is active against a wide variety of susceptible bacteria found in different locations, such as the respiratory system, the ears, and the urinary tract.


Q: How does Cefime relate to other 'cefa' drugs?

Cefime, which contains the active ingredient Cefixime, belongs to the class of antibiotics known as cephalosporins. This is a large family of beta-lactam antimicrobials, and their names commonly use the 'cef' or 'ceph' prefix.


Q: What does the official label say about Cefime and alcohol?

The official prescribing information does not list a formal contraindication against alcohol. However, some patient information describes that consuming alcohol may increase the chance of experiencing certain side effects, such as vomiting.


Q: Does Cefime cause fatigue or drowsiness?

The most common side effects listed in the safety profile do not include fatigue or drowsiness. However, general safety literature notes that fatigue can be a symptom associated with rare, more serious adverse reactions such as blood disorders or liver problems.


Q: Is it normal to see changes in stool while on Cefime?

Changes in stool are a documented possibility due to the effect of the antibiotic on the digestive system. Diarrhea and loose stools are listed among the most common adverse effects reported in the safety profile. Light-colored stools are also noted in safety literature, often in the context of rare effects.


Q: What kind of research evidence exists for Cefime's safety?

The safety profile for Cefime is established based on data collected from clinical trials and ongoing post-marketing surveillance. This extensive research is used by regulatory bodies to document and categorize all observed adverse reactions, from common gastrointestinal issues to rare but serious reactions like severe hypersensitivity.


Q: What types of bacteria is Cefime designed to kill?

The medicine is designed to kill a variety of susceptible Gram-positive organisms, such as Streptococcus pyogenes, and Gram-negative organisms, including Haemophilus influenzae, Escherichia coli, and Proteus mirabilis. Its function is to eliminate the bacteria that cause the infection.


Q: Does Cefime have an impact on gut flora?

Cefime is a broad-spectrum antibiotic, and official warnings note that its use may result in the overgrowth of non-susceptible organisms. The documented risk of Clostridium difficile-associated diarrhea (CDAD) is directly related to the medicine's effect on the balance of normal bacteria (gut flora) in the digestive system.


Q: What is the scientific basis for Cefime's use in urinary tract infections?

Cefime is indicated for urinary tract infections because it achieves high concentrations in the urine. This characteristic, combined with its bactericidal activity against common urinary pathogens like susceptible isolates of E. coli and Proteus mirabilis, makes it suitable for this use.


Q: How does the effectiveness of Cefime change over time?

Official warnings note that Cefime is specified for use only for infections proven or strongly suspected to be caused by susceptible bacteria. Incorrect or unnecessary use increases the risk of bacteria developing resistance to the antibiotic over time.


Q: What is the difference between Cefime and generic versions?

Cefime (Cefixime) is the active drug ingredient, which is available under various brand names and also as generic Cefixime. Regulatory bodies state that the generic versions (capsules and conventional tablets) are considered bioequivalent under fasting conditions.


Q: What precautions are mentioned in the regulatory documents for Cefime?

Precautions listed in regulatory documents include administering the medicine with caution to patients with a history of penicillin allergy due to the risk of cross-allergenicity. Dose adjustments are also required for those with severe renal impairment due to reduced clearance of the medicine.


Q: Are there different forms of Cefime (e.g., tablet, liquid)?

Yes, the medicine is available in several forms to suit different needs. These forms include capsules, film-coated tablets, chewable tablets, and a powder that is mixed with liquid to create an oral suspension.


Q: How long does Cefime stay in my system after I stop taking it?

The medicine is eliminated through renal and non-renal mechanisms. The reported serum elimination half-life, which is the time it takes for half of the medicine to be cleared from the blood, ranges from 2.4 to 4 hours in adults with normal kidney function.


Q: Can Cefime be used during pregnancy or while breastfeeding?

Use during pregnancy is conditional and is described as appropriate only when clearly needed, following a regulatory-mandated risk assessment. Official labels also recommend that caution be exercised when the medicine is administered to a nursing woman.


Q: Is dizziness or headache a reported side effect of Cefime?

Yes, dizziness and headache are reported in the safety profile. These effects are generally categorized as Uncommon or Rare Nervous System Disorders in the official adverse reactions documentation.


Q: Is Cefime effective against Staph infections?

Official prescribing information indicates that most strains of Staphylococci (Staph) are resistant to Cefime. Strains that are already resistant to penicillinase-resistant penicillins should also be considered resistant to this medicine.


Q: How should Cefime be stored to keep it effective?

All solid forms (capsules, tablets, unmixed powder) must be stored at controlled room temperature and kept away from heat, moisture, and direct light to maintain integrity. The reconstituted liquid suspension has a defined shelf life and must be discarded after 14 days.


Q: Does Cefime interact with common acid-reducing medications?

Some literature suggests that antacids may decrease the absorption of Cefixime. This type of interaction suggests separating the timing of when the two medicines are administered may be considered.


Q: What patient groups were included in the main Cefime clinical trials?

The clinical trials supporting the approved uses of the drug included adults and pediatric patients six months of age and older. The medicine is not established for safety and effectiveness in infants under six months of age.


Q: Are there any research studies comparing Cefime to older antibiotics?

The current body of research evidence, as described in regulatory documentation, is noted to be lacking in comparative evidence regarding Cefime and other widely studied interventions.

How should Cefime be stored and disposed of?

The storage and disposal of Cefixime must strictly follow official regulatory instructions to maintain product integrity.

Storage Conditions

Dosage Form Required Storage Environment
Capsules, Tablets, Unreconstituted Powder Controlled Room Temperature (20 C to 25 C). Keep away from heat, moisture, and light. Do not freeze.
Reconstituted Liquid Suspension Store at room temperature or refrigerated (2 C to 25 C). Keep container tightly closed.

Stability and Disposal

The reconstituted oral suspension has a defined shelf-life: any unused portion must be discarded after 14 days from the date it was prepared. All forms must be stored in a location that is out of the reach of children. For disposal of expired or unused medicine, patients are directed to consult a healthcare professional or follow local drug take-back guidance.

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

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