Loxim

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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 Loxim

The following summary defines the identity and classification of Loxim, focusing on its composition, type, and general purpose as a medicinal entity.

Property Description
Active ingredient Cefixime (Cefixime Trihydrate)
Form Tablet, Capsule, Oral Suspension
Pharmacological class Third-generation cephalosporin antibiotic
General purpose Resolving bacterial infections
Origin Semisynthetic

What Type of Antibiotic is Loxim?

Loxim is a semisynthetic beta-lactam antibiotic that belongs to the third-generation cephalosporin class of medications. Its active core is the substance Cefixime. This classification places Loxim among the advanced oral anti-infective agents used for systemic treatment. Cefixime is recognized on essential medicine listings, affirming its importance in global health. The drug is considered a broad-spectrum antibiotic, signifying its designed efficacy against a wide range of common bacterial species. Unlike earlier generations, the chemical structure of Cefixime confers high stability against bacterial enzymes, known as beta-lactamases.


What is Cefixime Made Of and How is it Given?

The composition of Loxim centers on its active ingredient, Cefixime (often present as Cefixime Trihydrate), making it a single-ingredient product with no other active anti-infective substances combined with it. Loxim is administered via the oral route, being available in several common dosage forms, including the tablet, capsule, and oral suspension (liquid or powder for reconstitution). Third-generation cephalosporins have a well-established safety and efficacy profile for use in outpatient settings. This availability of oral forms, particularly the liquid suspension, is a key differentiating factor, confirming its suitability for pediatric patients who often require non-solid forms.


What is the General Purpose of Loxim?

The general purpose of Loxim is to act as a bactericidal agent, meaning it functions by actively killing the harmful bacteria that cause infection, rather than simply inhibiting their growth. This is achieved by interfering with the bacteria's ability to build and maintain their essential cell walls. As a prescription-only drug, Loxim's primary role is to comprehensively and definitively eliminate the causative pathogens of a bacterial infection. This general purpose is recognized for providing an effective, non-invasive treatment course.

What side effects are possible with Loxim?

Loxim: Possible Side Effects and Safety Information

The safety profile of Loxim, an agent from the non-steroidal anti-inflammatory drug (NSAID) class, requires awareness of both common and serious potential side effects as documented by regulatory agencies (e.g., FDA, EMA).

Serious and Clinically Significant Risks

Official labeling includes warnings for the potential risk of serious cardiovascular thrombotic events, such as myocardial infarction (heart attack) and stroke, which can be fatal. This risk may begin early in treatment and may increase with the duration of use.

Loxim is also associated with an increased risk of serious gastrointestinal (GI) adverse events, including bleeding, ulceration, and perforation of the stomach or intestines. These events may occur without warning symptoms and can also be fatal. Elderly patients and those with a history of GI disease are at a greater risk.

Other serious risks include hepatotoxicity (liver damage), renal toxicity (kidney damage), and new onset or worsening hypertension. The use of NSAIDs after approximately 20 weeks of pregnancy is limited due to the risk of fetal renal dysfunction, which can lead to low amniotic fluid.

Common Adverse Reactions

The most frequently reported side effects (classified as Common) are generally gastrointestinal and nervous system disturbances. These may include abdominal pain, dizziness, headache, nausea, diarrhea, dyspepsia, and flu-like symptoms.

Safety Monitoring

Due to the documented serious risks, patients should be monitored for signs of cardiovascular events, gastrointestinal bleeding, changes in liver or kidney function, and the onset or worsening of high blood pressure. Allergic-type reactions, including severe skin reactions, should prompt immediate medical evaluation.

Overdose and Emergency Response

Overdose and when to seek help

This information summarizes the officially documented overdose profile for Loxim (Cefixime) based on regulatory sources.


Overdose Scope

Property Official Regulatory Documentation
Documented Manifestations Gastrointestinal effects and dose-related neurological effects, including signs of encephalopathy (altered consciousness, involuntary movements, and convulsions).
Systems Affected Central Nervous System and Gastrointestinal System.
Key Risk Factor Impaired renal function is noted as increasing the risk of severe neurological toxicity, such as seizures, following overexposure.
Emergency Response You must seek immediate medical attention or contact emergency services upon suspected overdose, even if no symptoms are present.

Management and Constraints

  • Antidote Status: No specific antidote is known for Cefixime overdose.
  • Procedural Note: Management consists solely of symptomatic and supportive treatment. Official documentation states the drug is not removed in significant quantities by hemodialysis or peritoneal dialysis.
  • Urgent Action: Immediate contact with emergency services is required if an overdose victim has collapsed, is experiencing a seizure, or has trouble breathing.

Therapeutic Uses of Loxim

The medication is considered relevant for managing acute symptoms in several therapeutic domains. Loxim is commonly used for managing conditions characterized by heightened symptoms caused by specific bacterial pathogens, and is relevant when supportive symptom management is appropriate across several acute therapeutic domains. Its therapeutic relevance is characterized by its application in addressing specific bacterial infections.

Loxim is applicable for addressing symptoms in conditions such as acute otitis media (middle ear infection), pharyngitis and tonsillitis, uncomplicated urinary tract infections (UTIs), acute exacerbations of chronic bronchitis, and certain gonococcal infections.

Relief for Acute Symptom Clusters

Loxim is generally applied in settings where patients experience localized symptoms related to inflammatory or irritative states, such as fever and pain in the throat or ear. It helps address symptom clusters that may become intense, and may assist with easing the overall symptom load, which supports improved day-to-day comfort during symptomatic periods.

Quick Fact: Symptom Management Contexts

The medicine is used when symptoms linked to organ-specific functional stress, such as painful urination or earache, become disruptive, helping manage the heightened physiological activity and supporting symptomatic ease.

Regulatory References

  1. DailyMed - NIH

Eligibility and Restrictions for Use

Who can and cannot use Loxim?

Loxim (Cefixime) is contraindicated for any individual with a known allergy to the active ingredient, to any drug in the cephalosporin class, or a history of a severe allergic reaction to penicillin or other beta-lactam antibacterial agents. This absolute exclusion is based on the risk of severe hypersensitivity.


Age and Organ Function Eligibility

Use is generally established for adults and pediatric patients six months of age and older. Safety and effectiveness have not been established for infants under six months of age. While older adults can use Loxim, regulatory guidelines advise assessing their renal function.

Patients with impaired renal function (Creatinine Clearance < 60 mL/min) require a mandatory dose adjustment as specified in the label. Use in children and adolescents with renal insufficiency is not recommended due to insufficient data.


Reproductive Status Restrictions

For pregnant women, use is restricted to cases where it is clearly needed, as adequate human studies are unavailable. Nursing mothers should consider the temporary discontinuation of breastfeeding during treatment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Regulatory documentation for Loxim (Cefixime) outlines specific interaction patterns based on pharmacokinetic and pharmacodynamic mechanisms, strictly excluding therapeutic claims or general usage advice.

Documented Pharmacokinetic Interactions

Co-administration with Probenecid is officially documented to increase and prolong the plasma concentration of Cefixime. This pharmacokinetic interaction occurs because Probenecid inhibits the renal tubular secretion of Cefixime, resulting in reduced clearance. Additionally, Cefixime has been reported to elevate the plasma concentration of Carbamazepine when taken concurrently. Nifedipine may also increase Cefixime's bioavailability.

Pharmacodynamic and Other Interactions

A pharmacodynamic interaction is reported with oral anticoagulants such as Warfarin. Concomitant use has been officially linked to an increase in Prothrombin Time (PT) and/or International Normalized Ratio (INR), necessitating monitoring. The official labeling states that Cefixime tablets and capsules may be taken without regard to food, as meals do not significantly alter absorption.

Interference with Diagnostic Tests

Cefixime treatment may result in a false positive direct Coombs’ test. Furthermore, interference with certain laboratory reagents is documented, potentially causing a false positive reaction for glucose in the urine when using copper sulfate solutions (e.g., Benedict's or Fehling's tests).

Mechanism of Action

How Loxim Works

Loxim, containing Cefixime, operates by targeting and inhibiting key enzymatic machinery essential for the structural integrity of susceptible bacteria. The mechanism is initiated at the molecular level where Cefixime acts as an irreversible inhibitor of bacterial Penicillin-Binding Proteins (PBPs), a class of enzymes essential for peptidoglycan cross-linking.

This molecular interaction involves the covalent acylation of the PBP active site by the drug’s beta-lactam ring, thereby blocking the final, critical transpeptidation step of the cell wall synthesis pathway. The functional consequence of this blockade is the failure of the bacteria to correctly assemble a rigid cell wall, leading directly to the cell's inability to withstand high internal osmotic pressure. The resulting cellular instability culminates in bacterial cell lysis (rupture and death), which is the core physiological consequence of this mechanism. The mechanism exhibits high selectivity as it targets structures and enzymes absent in human cells, though its action can be constrained by bacterial resistance factors such as enzymatic degradation by specialized beta-Lactamases.

Dosage and Administration Information

How to Use Loxim: Administration Guidelines

Loxim (Cefixime) is an antibiotic intended for oral administration only. Its use follows specific guidelines regarding dosing, frequency, and preparation.

Standard Dosing and Frequency

The typical adult regimen involves a total of 400 mg once daily or, alternatively, the dose may be divided into 200 mg every 12 hours. The medication may be administered without regard to food.

Administration Detail Guideline
Pediatric Dosing 8 mg/kg/day of the oral suspension for patients 6 months and older.
Renal Adjustment Dose must not exceed 200 mg once daily for adults with severe renal impairment (CrCl < 20 mL/min).

Preparation and Course Duration

The powder for oral suspension requires reconstitution with water and must be shaken well before each dose. Chewable tablets must be crushed or chewed before swallowing. The full duration of the course must be completed, which typically lasts 7 to 14 days; however, treatment for infections caused by Streptococcus pyogenes requires a minimum of 10 days.

If a dose is missed, it should be taken as soon as remembered, unless it is nearly time for the next scheduled dose, in which case the missed dose must be skipped. Doses must never be doubled to make up for a missed dose.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Loxim

️ Evidence for Use in Acute and Localized Infections

Studies on Loxim's active ingredient, Cefixime, have been conducted to understand its role in the management of several common bacterial infections, primarily focusing on acute conditions.

For Acute Otitis Media (middle ear infection), research was evaluated in pediatric populations (infants and children). Researchers examined short-term outcomes such as the measured eradication of bacteria and the assessment of clinical response. Studies documented the frequency of measured clinical response during the initial follow-up period, though variability in the measured response against certain specific bacterial species was observed in some studies. In cases of Pharyngitis and Tonsillitis, research examined the measurement of bacterial eradication and the assessment of outcomes related to physical discomfort. Findings indicate patterns related to the measured clearance of bacteria during the follow-up period.

For Uncomplicated Urinary Tract Infections (UTIs), the evidence base includes randomized trials focused on adults and children. Research examined the rate of bacteriological eradication and clinical endpoints, which refer to outcomes related to functional imbalance. The available data show patterns related to its role, particularly when common first-line antibiotics are not suitable.


️ Evidence in Special Populations and Research Gaps

The research base includes studies in pediatric populations, where trials have been conducted. However, information regarding its use for pregnant or nursing patients is often limited, as these groups are frequently excluded from initial clinical trials. Data for individuals with complex underlying comorbidities are also often restricted to case reports or small observational settings.

Most evidence is derived from studies with limited follow-up durations, typically ranging from a few days to a few weeks after treatment. As a result, limited information is available for long-term outcomes, such as the stability of the measured eradication or the likelihood of infection re-emergence over many months or years.

A key area of ongoing scientific inquiry is the observed pattern of increasing minimum inhibitory concentrations (MICs) reported in surveillance data, suggesting that bacterial susceptibility can change over time. Additionally, evidence quality varies across studies, and research directly comparing Cefixime to placebo or no active treatment may be limited for some indications.

Key Studies & References

  1. DailyMed - Cefixime (as tablets, capsules, and suspension) Information

Frequently Asked Questions (FAQ)

Common questions about Loxim (FAQ)


Q: What is the main difference between Loxim and similar medicines used for the same purpose?

A: Loxim contains the active ingredient Cefixime, a third-generation cephalosporin. Official sources describe Cefixime's chemical structure as providing stability against certain bacterial resistance enzymes known as beta-lactamases, which is a key characteristic of this class of antibiotic.


Q: Is Loxim safe to use if I have an underlying liver condition?

A: Official product information indicates that liver enzyme elevations and liver dysfunction have been reported after the drug's approval. Official documents suggest monitoring patients with existing liver impairment, particularly for a possible decrease in blood clotting measures, known as prothrombin activity.


Q: Are there any specific foods, drinks, or dietary supplements that should be avoided while taking Loxim?

A: Official guidance suggests that avoiding alcohol consumption may be beneficial, as drinking alcohol has been reported to increase the chance of vomiting during the treatment course. The official labeling does not include warnings against specific foods or other beverages.


Q: Is it normal to feel a mild headache or nausea when first starting Loxim?

A: Yes, official safety information lists headache and nausea among the common adverse reactions reported by patients using Cefixime. These effects are described in the official product information for Loxim.


Q: What are the signs of a serious reaction to Loxim that require medical attention?

A: Signs of a severe allergic reaction may include hives, difficulty breathing, swelling of the face or throat, or hoarseness. Information suggests that severe stomach pain or watery/bloody diarrhea can also indicate serious intestinal issues requiring immediate evaluation.


Q: Is there any research evidence on Loxim's use in pregnant women?

A: Studies conducted in animals have shown no evidence of harm to the fetus. However, official information notes that there are currently no adequate and well-controlled studies available in human pregnant women. The product label indicates that the use of Loxim during pregnancy is generally restricted to situations where it is clearly needed.


Q: Are there any studies looking at Loxim and breastfeeding?

A: Official documentation indicates that the active ingredient, Cefixime, is excreted in small amounts in human milk. Regulatory documentation advises that nursing mothers consider the temporary discontinuation of nursing while on the medication.


Q: Is Loxim safe for a person who has kidney problems?

A: Use in individuals with reduced kidney function requires cautious consideration. Official guidelines indicate that a dose adjustment is necessary for adults whose creatinine clearance is less than 60 mL/min. Patients on dialysis are also advised to be monitored carefully during treatment.


Q: Can Loxim be split in half or crushed for easier swallowing?

A: The official guidance specifies that the oral suspension form of Loxim can be measured, and chewable tablets are designed to be crushed or chewed before swallowing. However, there is no official guidance to split or crush non-chewable tablets.


Q: Is it possible for Loxim to suddenly stop working after months or years of use?

A: Official surveillance reports indicate that bacterial susceptibility to Cefixime can change over time. This is related to the observation of increasing Minimum Inhibitory Concentrations (MICs), which suggests that changes in the drug's effectiveness against certain bacteria may occur over time.


Q: Does Loxim require any regular blood tests or monitoring while taking it?

A: Official labeling indicates that monitoring for blood clotting measures (prothrombin time or PT) is necessary for patients taking oral anticoagulants or those with kidney or liver impairment. Monitoring for changes in kidney function is also noted in safety information.


Q: Is Loxim available as a generic version or only under the brand name?

A: The active ingredient Cefixime is available under the brand name Loxim, as well as in various generic formulations.


Q: How quickly can a person expect to feel the intended effects of Loxim?

A: Pharmacokinetic studies describe the drug reaching its highest level in the bloodstream at an average of 3 to 4 hours after administration. This information describes the drug's physical presence in the body.


Q: How long does Loxim stay in your system after you stop taking it?

A: The average serum half-life (the time it takes for half the drug to be eliminated from the body) is typically between 3 to 4 hours in healthy subjects. However, official documentation notes this clearance time can range up to 9 hours.


Q: Does Loxim cause drowsiness or affect my ability to drive or operate machinery?

A: The product label lists dizziness (vertigo) as an uncommon side effect. Because central nervous system adverse events, such as seizures or convulsions, have been reported, patients should be mindful of activities that require full alertness.


Q: Can Loxim interact with common over-the-counter pain relievers like ibuprofen or acetaminophen?

A: Official labeling reports an interaction where Cefixime may increase the level or effect of aspirin, a common over-the-counter pain reliever. This interaction is generally listed as having minor significance.


Q: Does Loxim affect the effectiveness of birth control pills?

A: Official interaction information indicates that antibiotics such as Cefixime may reduce the effectiveness of birth control pills containing ethinyl estradiol in some women, which may increase the risk for pregnancy or breakthrough bleeding.


Q: Is Loxim considered a 'maintenance' medicine that has to be taken continuously?

A: No, Loxim is not described as a maintenance medicine to be taken continuously. The official guidelines specify that treatment courses are short-term, typically lasting between 7 and 14 days, depending on the type of infection being addressed.


Q: Is there a known interaction between Loxim and alcohol?

A: Official guidance suggests that avoiding alcohol consumption may be beneficial while using Loxim, as drinking alcohol has been reported to increase the chance of experiencing vomiting during the treatment course.


Q: What should a patient know about Loxim and blood pressure monitoring?

A: New onset or worsening high blood pressure (hypertension) is noted as a potential serious risk in official documentation. Official documentation states that patients are monitored for the onset or worsening of high blood pressure.


Q: What if I experience side effects that are not listed in the official documents for Loxim?

A: If you experience any side effects or notice anything unusual that is not listed in the official documents, official guidance advises contacting your doctor or pharmacist.


Q: Does Loxim have any known effects on mental clarity or mood?

A: Adverse events affecting the Central Nervous System have been reported, including dizziness, headache, and psychomotor hyperactivity. Post-marketing events have included seizures or convulsions, which are effects that may affect mental clarity.


Q: What is the success rate of Loxim in clinical trials?

A: Official documents typically report clinical trial outcomes based on measured eradication rates rather than a single 'success rate.' One study, for instance, reported a treatment success rate based on a specific laboratory change in a related marker.


Q: What type of medical professional typically prescribes Loxim?

A: Loxim (Cefixime) is classified as a prescription-only drug. This means it can only be prescribed by a licensed healthcare professional, such as a physician, nurse practitioner, or physician assistant.


Q: Does Loxim carry any specific warnings from regulatory bodies like the FDA or EMA?

A: The official labeling contains several specific regulatory warnings. These include the potential risk for serious allergic reactions (hypersensitivity), severe diarrhea associated with C. difficile infection, and effects on blood clotting (coagulation).


Q: What is the purpose of the black box warning (if one exists) associated with Loxim?

A: Official U.S. Food and Drug Administration (FDA) documentation confirms that the drug Cefixime does not currently carry an FDA-mandated Black Box Warning.


Q: Why do some people need to take Loxim for a short time while others take it long-term?

A: Official guidelines state that the necessary duration of treatment is determined by the specific type and severity of the infection being treated. For instance, treatment for certain Streptococcus pyogenes infections is officially required to last a minimum of 10 days.


Q: Are there any known drug-disease interactions that make Loxim unsafe for certain patients?

A: Official documentation lists specific drug-disease interactions. The drug is strictly contraindicated in patients with a history of allergy to cephalosporins or penicillin. Caution and dose adjustments are also required for individuals with existing kidney or liver impairment.


Q: Are there specific patient groups that Loxim has been studied in more extensively?

A: Efficacy and safety have been established through specific trials for pediatric patients aged six months and older. Conversely, the official documentation notes that clinical studies did not include sufficient numbers of subjects aged 65 and older to determine if they respond differently than younger patients.


Q: What is the difference between the brand-name Loxim and its generic equivalent in terms of effects?

A: According to the FDA, generic versions of the active ingredient Cefixime are required to be bioequivalent to the brand-name product. This means that, therapeutically, they are expected to work the same way in the body and are considered interchangeable.


Q: Do I need to inform a dentist or surgeon that I am taking Loxim before a procedure?

A: Official safety information regarding the drug's effect on blood clotting (a potential fall in prothrombin activity) may be important for surgeons and dentists to consider prior to a medical or dental procedure.


Q: Can Loxim affect my ability to get pregnant or affect fertility?

A: Official regulatory studies performed in animal models (mice and rats) have revealed no evidence of impaired fertility resulting from exposure to Cefixime. This evidence is based on animal studies.

How should Loxim be stored and disposed of?

How to Store and Dispose of Loxim (Cefixime)

The storage and handling of Loxim, which contains Cefixime, depends on the formulation.

Storage Requirements

Formulation Required Storage Condition
Tablets/Capsules/Dry Powder Store at Controlled Room Temperature, between 20 C and 25 C (68 F and 77 F).
Reconstituted Liquid Stable for 14 days; may be stored at room temperature or refrigerated (2 C to 8 C).

All forms must be kept in their tightly closed original container and protected from excess heat, moisture, and light. The dry product should not be frozen.

Handling and Disposal

All Loxim products must be kept out of the sight and reach of children. The liquid suspension must be discarded after 14 days from reconstitution, even if unused. Expired or unused medication should be taken to an authorized drug take-back location. If this is unavailable, it should be mixed with an undesirable substance and placed in a sealed bag before being disposed of in the household trash; the medicine must not be flushed down the toilet.

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

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