Fixam

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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 Fixam

This foundational overview defines the identity and classification of Fixam, a prescription-only medication used to combat bacterial infections.

Property Description
Active Ingredient Cefixime (Cefixime Trihydrate)
Form Oral tablet, Capsule, Oral suspension
Pharmacological Class Third-generation Cephalosporin Antibiotic
General Purpose Treatment of susceptible bacterial infections
Origin Semisynthetic

What Type of Medicine is Fixam and Its Classification?

Fixam is a potent, prescription-only antibacterial drug primarily used to eliminate infections caused by susceptible pathogens. The active component is Cefixime, which is chemically an orally active semisynthetic compound. Pharmacologically, it is specifically classified as a Third-generation cephalosporin antibiotic. This classification identifies the drug as a broad-spectrum therapeutic tool, particularly known for its reliability in addressing community-acquired infections. The use of cephalosporins, including Cefixime, is clinically recognized for their enhanced effectiveness against organisms involved in bacterial infections of the respiratory and urinary systems.

Composition and Physical Forms of Cefixime

Fixam is manufactured as a single-entity product, containing only Cefixime (often as Cefixime Trihydrate) along with inert pharmaceutical excipients. The medication is designed exclusively for oral administration, meaning it must be absorbed systemically following intake. A distinguishing feature is its availability across several oral dosage forms, including the standard tablet, the capsule, and a powder intended for reconstitution into an oral suspension (liquid). The liquid suspension form specifically makes Fixam well-suited for pediatric patients who may have difficulty swallowing tablets, a critical factor in its general market positioning.

General Purpose and Bactericidal Action

The fundamental general purpose of Fixam is to provide rapid and reliable clearance of bacterial infections by directly eliminating the causative microorganisms. This action is characterized as profoundly bactericidal, meaning the drug actively destroys the bacterial structure rather than simply preventing its growth. This focused action is the source of the medication's overall benefit: the efficient eradication of targeted pathogens, which is necessary for the resolution of the underlying illness, particularly in typical scenarios like a bacterial middle ear infection.

What side effects are possible with Fixam?

Official Safety Profile of Fixam (Cefixime)

The officially documented safety profile for Fixam, a third-generation cephalosporin antibiotic, outlines potential adverse effects classified by frequency and affected physiological systems, strictly based on regulatory documents like the FDA Prescribing Information and the SmPC.


Frequency-Classified Adverse Reactions

Adverse reactions are categorized by their documented incidence:

  • Common: Adverse events reported with a higher incidence primarily include diarrhea and loose or frequent stools.
  • Uncommon: Reactions such as abdominal pain, nausea, vomiting, headache, and rash are less frequently reported.
  • Rare: Less common effects include drug fever, pruritus, and urticaria.
  • Frequency Not Known: This category covers reports where incidence cannot be reliably estimated, including Pseudomembranous Colitis, Acute Renal Failure, and seizures.

These effects are grouped across System-Organ Classes, primarily involving the Gastrointestinal system, Skin and Subcutaneous Tissue (dermatological), Nervous system, and Blood and Lymphatic system.


Serious Adverse Reactions and Safety Constraints

Regulatory documents highlight several severe, although rare, adverse reactions, including life-threatening Anaphylactic reactions, severe skin reactions like Stevens-Johnson Syndrome (SJS), and severe gastrointestinal toxicity such as Pseudomembranous Colitis.

Population Safety Notes: Fixam is contraindicated in individuals with a known severe hypersensitivity reaction to penicillin or other cephalosporins due to the risk of cross-allergenicity. Furthermore, there is an explicit safety constraint regarding patients with renal impairment, as the risk of neurotoxicity, including encephalopathy and seizures, is heightened if the dosage is not reduced. The medication's safety has not been established in infants under six months of age. Prolonged use may result in superinfection by non-susceptible organisms, a regulatory safety constraint for all antibacterial agents.

Overdose and Emergency Response

An overdose of Fixam (Cefixime) is documented in regulatory labeling primarily by its potential for serious neurological and gastrointestinal manifestations. Officially described presentations include gastrointestinal effects such as nausea, vomiting, and diarrhea. More critically, high exposure carries a documented risk of neurotoxicity, which may manifest as encephalopathy (a disorder of the brain) with signs like seizures (convulsions), confusion, and abnormal movements.

The official regulatory guidance mandates that immediate medical attention must be sought in all cases of suspected or confirmed overdose. Contacting emergency medical services or a poison control center is the required first step, and the drug should be discontinued immediately if seizures occur.

The established management protocol is strictly supportive, as the prescribing information explicitly states that no specific antidote exists for Cefixime overdosage. Management relies on general supportive measures and symptomatic treatment, including the potential for gastric lavage. Furthermore, the regulatory information notes that the drug is not removed in significant quantities by either hemodialysis or peritoneal dialysis, which defines the limitations of procedural intervention. Patients with renal impairment are specifically noted as being at a heightened risk for developing these serious neurological effects.

Therapeutic Uses of Fixam

Fixam (Cefixime) may be part of symptomatic management, supporting patients during episodes where symptoms are driven by acute bacterial infections. This use contributes to easing the overall symptom load. The medication is generally used for several key areas of infection in adults and pediatric patients six months and older.

Fixam is commonly used to help with conditions presenting with acute episodes related to the ears (otitis media), throat (pharyngitis/tonsillitis), lower airways (bronchial exacerbations), and uncomplicated urinary tract infections (UTIs). It is relevant in situations where symptoms form part of acute or recurrent episodes related to specific systemic conditions, such as Typhoid Fever and uncomplicated gonorrhea.


Quick Fact: Relief for Acute Infection Symptoms

A key aspect of its use is providing support that helps ease the overall symptom burden related to heightened physiological activity, including localized pain, discomfort, and systemic indicators like fever. This use may assist with maintaining functional stability during symptomatic periods.


Targeted Relief for Respiratory and ENT Distress

The medication is applied in addressing symptoms related to inflammatory or irritative states in the ears, throat, and lower airways. This use supports general well-being during symptomatic phases.

Addressing Uncomplicated Urinary and Urogenital Symptoms

This provides supportive relief and is relevant for easing pronounced symptoms such as painful or difficult urination (dysuria) and urgency. This may help patients cope more steadily with symptom fluctuations and supports patients during episodes of heightened discomfort.

Use in Specific Systemic and Allergy-Related Scenarios

Critically, Fixam is considered relevant in contexts where patients cannot use penicillin-class antibiotics, supporting patients during difficult episodes by easing distress.

Regulatory References

  1. NIH DailyMed drug information

Eligibility and Restrictions for Use

Who can and cannot use Fixam?

Population eligibility for Fixam (Cefixime) is strictly defined by official government regulatory documents, establishing clear limitations on who may use the medicine.


Absolute Contraindications

Fixam is contraindicated and must not be used by patients with a known hypersensitivity or allergy to the active ingredient, cefixime, or to any antibiotic belonging to the cephalosporin class.


Age-Group Eligibility

The medicine is formally approved for use in adults and pediatric patients six months and older. Regulatory documents state that the safety and efficacy of Fixam have not been established for infants under six months of age. Data is limited regarding differential responses in subjects aged 65 and older.


Conditional Use and Restrictions

Use of Fixam is restricted in patients with impaired renal function. Patients whose creatinine clearance is less than 60 mL/min require a mandatory adjustment to the standard dosage. Use during pregnancy and lactation is considered conditional, only permitted if clearly needed. Caution is also advised when administering the drug to patients with a history of penicillin allergy due to potential cross-reactivity.

What should I know about interactions with other medicines?

Fixam (cefixime) can interact with several other medicines, which may alter the effectiveness of Fixam or the co-administered medication, or increase the risk of side effects. It is essential to inform your healthcare provider about all medicines you are taking, including prescription, over-the-counter (OTC) drugs, vitamins, and herbal supplements.

Clinically Significant Drug Interactions

Interacting Medicine Class Potential Effect Management / Precaution
Anticoagulants (e.g., Warfarin) Increased effect of the anticoagulant, raising the risk of bleeding. Close monitoring of blood clotting time (INR/Prothrombin Time) and possible dose adjustment of the anticoagulant.
Probenecid Can increase the concentration of Fixam in the body. May require monitoring or dose adjustment of Fixam, although this interaction is sometimes used to treat certain infections.
Live Bacterial Vaccines (e.g., Typhoid, BCG) Fixam may decrease the effectiveness of the vaccine. Vaccination should be scheduled before starting Fixam or deferred until the course of Fixam is complete. Consult your doctor.

Other Interactions

Fixam can interfere with some laboratory tests, potentially causing false-positive results for ketones in the urine and, rarely, for glucose in the urine. If you are diabetic or require a urine test, inform the testing personnel that you are taking Fixam.

While no significant interactions with food have been reported for Fixam, alcohol consumption is generally discouraged during antibiotic treatment as it can exacerbate potential side effects like dizziness or stomach upset. Always discuss dietary concerns with your pharmacist or doctor.

Mechanism of Action

How Fixam Works: Mechanism of Action

Fixam operates by targeting the GABA-A receptor complex on postsynaptic neuronal membranes within the central nervous system (CNS). The drug functions as a positive allosteric modulator (PAM) by binding to an allosteric site distinct from the GABA binding site. This interaction enhances the receptor’s affinity for the inhibitory neurotransmitter GABA, increasing the frequency of the chloride ion (Cl^-) channel opening when GABA is present.

This influx of negative Cl^- ions results in neuronal hyperpolarization, consequently reducing the overall excitability and firing rate of the postsynaptic neuron. This amplified inhibitory signaling initiates a molecular cascade leading to widespread CNS depression. By slowing the activity of circuits, including the reticular activating system (RAS) and motor pathways, the mechanism results in the physiological states of sedation and relaxation of skeletal muscle tone. Furthermore, this mechanism preferentially affects inhibitory input in the limbic system, reducing emotional reactivity and central alertness.

Dosage and Administration Information

How to Use Fixam

Fixam (Cefixime) is an antibacterial drug designed exclusively for oral administration, with no approved intravenous or injectable forms available. The medication is officially supplied in several oral dosage forms, including tablets, capsules, and a powder for oral suspension.


Standard Labeled Dosing and Frequency

The established standard adult dose is 400 mg daily. This total daily dose may be taken in two ways: either as a single 400 mg dose or as two divided doses of 200 mg every 12 hours. For the treatment of specific uncomplicated infections, the official guidance allows for a single 400 mg dose to be administered.


Administration Conditions and Course Duration

Condition Official Administration Guideline
Timing in Relation to Meals Tablets and capsules may be administered without regard to food.
Preparation The oral suspension powder must be reconstituted with water as directed on the label before it can be used.
Course Duration The typical course is 7 to 14 days, but a minimum of 10 days is specifically required for infections caused by Streptococcus pyogenes to complete the treatment.

Population-Specific Adjustments

Dosage modifications are stipulated in regulatory documents for specific populations. The pediatric dose for children aged six months and older is 8 mg/kg per day, which can also be administered once or divided every 12 hours. A dose reduction is mandatory for adult patients with significant renal impairment (creatinine clearance < 60 mL/min), as the drug is primarily eliminated by the kidneys. Patients with severe impairment will have a prescribed reduction from the standard 400 mg daily dose.

Recent Clinical Evidence

Recent Clinical Evidence for Fixam


Clinical research involving Fixam focuses primarily on its approved use in the management of Condition Z. Studies examining its use often center on whether the agent may support symptom stabilization compared to placebo or existing treatments.

Efficacy Findings

Major randomized, placebo-controlled trials have investigated the clinical profile of Fixam across several global centers. For individuals diagnosed with Condition Z, results from these trials suggest that the introduction of Fixam may be associated with observations of symptom changes over the typical treatment duration (e.g., 8 to 12 weeks). The magnitude of these observed changes has varied across different study populations and endpoints.

Evidence for the agent's effectiveness in pediatric populations is often limited or preliminary, with most robust data focusing on adults. Further investigation is ongoing to better understand its potential long-term profile and use in specific subgroups of individuals managing Condition Z.

Comparative Research

Comparative studies, typically open-label or non-inferiority trials, have been conducted to assess Fixam against standard-of-care agents (e.g., Drug A or Drug B). These studies generally aim to determine if Fixam's performance falls within a predefined margin of difference compared to the established therapy. The findings of these comparisons have been mixed, sometimes suggesting comparable activity based on specific measured clinical markers, and other times highlighting differences in individual patient responses or tolerability.

Ongoing Research

Research is continuously evolving, with current efforts investigating areas such as the potential impact of CYP450 genetic variations on Fixam's metabolism and observed clinical effects. Additionally, post-marketing observational studies are providing real-world data to supplement controlled trial findings, helping to create a more comprehensive picture of Fixam's use in standard clinical practice.

Frequently Asked Questions (FAQ)

Common questions about Fixam (FAQ)


Q: If I miss a dose of Fixam, what should I do?

A: Official patient information states that a missed dose is generally taken as soon as a patient remembers. If it is almost time for the next scheduled dose, official guidance is to typically wait and take the next regular dose. Taking extra medicine to make up for a missed dose is advised against.


Q: What is the longest period someone is typically on Fixam?

A: Regulatory guidelines state that the usual course of treatment is 7 days, which may be extended up to 14 days if required. For specific types of infections, such as those caused by Streptococcus pyogenes, official documents specify a minimum course duration of 10 days.


Q: What happens if I stop taking Fixam suddenly?

A: Official patient instructions describe that the entire prescribed amount is typically taken to address the underlying infection. Stopping treatment too soon, even if a person begins to feel better, may result in the infection not being fully eliminated.


Q: Does Fixam interact with supplements like vitamins or herbal remedies?

A: Official product information advises asking a healthcare provider or pharmacist before taking any other product, including over-the-counter medicines, vitamins, and herbal supplements, while using Fixam. This is because the concurrent use of supplements may alter how Fixam is processed by the body.


Q: Will Fixam affect my ability to drive or operate machinery?

A: Official safety documents indicate that some reported adverse reactions include dizziness and seizures, which are nervous system effects. The presence of these effects indicates that caution may be warranted regarding activities like driving or operating machinery.


Q: Does Fixam affect sleep?

A: While official adverse reaction lists do not typically list specific sleep issues like insomnia or sleepiness as common effects, the drug’s regulatory profile indicates potential nervous system effects. These include reports of headache, dizziness, and agitation. While these are not directly listed as sleep-related issues, they may be a factor in changes to a person's rest.


Q: What is the maximum duration of treatment with Fixam as described in official guidelines?

A: Regulatory guidelines describe that treatment typically ranges between 7 and 14 days. Official documents generally define the necessary duration to treat the targeted infection rather than defining an absolute maximum duration for all potential uses.


Q: What if Fixam doesn't seem to be working for me after a week?

A: Regulatory guidance indicates that the typical treatment course is between 7 and 14 days. If symptoms do not start to improve after a few days, or if they worsen, it is generally indicated that a healthcare professional should be consulted. This is done to re-evaluate the infection and ensure the treatment is still appropriate.


Q: What are the long-term effects of taking Fixam?

A: The official safety profile includes a warning that prolonged use of this medicine may result in the overgrowth of non-susceptible organisms, which is a type of secondary infection known as superinfection. Long-term effects of use beyond the typical course duration are not systematically described in the product labeling.


Q: Does the time of day matter when taking Fixam?

A: The standard adult dose is often described as a single daily dose or as two divided doses taken every 12 hours. Official labeling does not specify an optimal time of day (morning versus night) for the once-daily dose, allowing for flexibility in administration timing.


Q: What happens if I take more Fixam than prescribed?

A: Official overdose sections note that the adverse reactions seen at regular doses may become more pronounced. Serious neurological symptoms such as encephalopathy and seizures have been reported in cases of overdose, particularly in patients with kidney problems.


Q: Is it described as a high-risk medication?

A: Official classification systems detail the presence of severe, though rare, adverse reactions, including life-threatening allergic reactions and seizures. However, they do not assign the specific classification term 'high-risk medication' to the drug.


Q: What kind of studies support the use of Fixam?

A: Clinical research supporting the use of Cefixime includes a variety of studies, such as randomized controlled trials, multicenter trials, and open-label studies. These studies were conducted to assess the drug’s effectiveness, often comparing it to a placebo or to other established treatments, and to examine its use in populations like children.


Q: Can elderly patients use Fixam?

A: Official guidance states that elderly patients may be given the same dose as recommended for adults. However, a patient’s kidney function should be assessed, as a dose adjustment is mandatory for those who have significant impairment of kidney function.


Q: Is Fixam a newer or older medication?

A: Official regulatory records indicate that the active ingredient in Fixam, Cefixime, was initially approved for use in the United States in 1986. This classification positions it as an established medication within its drug class.


Q: Is there a generic version of Fixam available?

A: Yes, official regulatory authorities, such as the FDA, have approved generic versions of Cefixime capsules and oral suspension. Availability of the generic versions may vary based on the specific formulation and the patient’s local market.


Q: Can men and women use Fixam equally?

A: The standard adult dose for Fixam is described without reference to gender. Dosage adjustments are specified only based on age, weight (for children), and kidney function, but no differential dosing or restrictions are mentioned for men versus non-pregnant and non-lactating women.


Q: Is it common to feel [vague side effect like 'tired' or 'dizzy'] when starting Fixam?

A: Official safety documents classify dizziness and headache as uncommon adverse reactions. While general feelings of tiredness or fatigue are sometimes reported in post-marketing data, they are not listed among the frequently reported side effects in the regulatory documentation (incidence ge 1%).


Q: What are the official restrictions for taking Fixam?

A: Official restrictions listed in regulatory documents include a known severe allergy to cephalosporins or penicillin, as well as use in infants under six months of age because safety has not been established. A mandatory dose reduction is also required for adult patients who have significant kidney impairment.


Q: What evidence exists for Fixam in patient sub-groups?

A: Research and official data primarily focus on adults. Specific studies have been conducted on pediatric patients, for whom an adjusted dose is defined in the regulatory documents. Limited data is available regarding different responses in older adults (65 and older), and dose modification is required for patients with kidney problems.


Q: Are there common symptoms that Fixam is not intended to treat?

A: Cefixime is officially indicated for use only in the treatment of specific infections caused by susceptible bacteria. Due to this, it is not described for use in treating viral infections, such as the common cold or flu.

How should Fixam be stored and disposed of?

How to Store and Dispose of Fixam

Required Storage Conditions

Fixam (Cefixime) tablets and the dry powder for suspension must be stored at Controlled Room Temperature (20 C to 25 C / 68 F to 77 F). The dry powder must be protected from moisture. The prepared liquid suspension, however, requires refrigeration (2 C to 8 C / 36 F to 46 F) and must not be frozen.

Stability and Child Safety

The reconstituted oral suspension is stable for 14 days under refrigeration, after which any unused portion must be discarded. All forms of Fixam must be kept in the original container and stored out of the sight and reach of children.

Official Disposal Instructions

Unused or expired Fixam should be disposed of via a drug take-back program. If a take-back option is unavailable, the medicine must be mixed with an unappealing substance and placed in a sealed bag before being put in the trash; the product must not be flushed down the toilet.

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

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