Roxim

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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 Roxim

Property Description
Active ingredient Cefixime
Form Tablet, Capsule, Oral suspension
Pharmacological class Third-generation cephalosporin antibiotic
Common purpose Elimination of susceptible bacterial infections
Origin Semisynthetic beta-lactam compound

Roxim: The Identity of a Third-Generation Cephalosporin

Roxim is a commercial designation for the anti-infective medicine whose active pharmaceutical ingredient is Cefixime. It is strictly a prescription-only medication developed for systemic use. Chemically, Cefixime is defined as a semisynthetic beta-lactam antibiotic and is classified within the third-generation cephalosporin group, a category known for its robust profile. Pharmacological studies support Cefixime's superior stability against certain bacterial enzymes, such as beta-lactamases, which is a key clinical factor differentiating it from older antibiotic compounds.

What is the Purpose and Composition of Roxim?

The general purpose of Roxim is to serve as a potent bactericidal agent aimed at eliminating susceptible microorganisms that cause illness. It is formulated as a single-ingredient product, containing Cefixime as the sole therapeutic component, combined with an inert pharmaceutical base or vehicle. The mechanism of action is definitive: Cefixime selectively disrupts the synthesis of the bacterial cell wall, a critical structural feature exclusive to the target pathogens. This mechanism is clinically recognized for its decisive action against the infectious organism, which constitutes the medicine's fundamental benefit in clearing acute infections, such as those impacting the respiratory or urinary systems.

Common Pharmaceutical Forms of Roxim (Cefixime)

Roxim is prepared for oral administration, meaning the medicine is taken by mouth. Its primary available forms include the standard solid oral presentations, such as the tablet and capsule, and a liquid form, the oral suspension (prepared from powder for reconstitution). The availability of the liquid oral suspension is a distinguishing factor, ensuring the medication can be administered effectively to diverse patient groups, particularly pediatric patients who require a convenient, non-solid formulation.

Regulatory References

  1. Cefixime DailyMed Label

What side effects are possible with Roxim?

Possible Side Effects and Safety Information

Roxim, a cephalosporin-class antibiotic, has a safety profile primarily defined by gastrointestinal disturbances and potential hypersensitivity reactions. The officially documented adverse reactions span several system-organ classes.

Common Adverse Reactions

Adverse reactions reported as common in clinical studies and post-marketing surveillance primarily include:

  • Gastrointestinal Disorders: Diarrhea, nausea, vomiting, and abdominal pain.
  • Nervous System Disorders: Headache and dizziness.
  • Blood and Lymphatic System Disorders: Transient increases in hepatic enzyme levels and eosinophilia.

Serious and Clinically Significant Adverse Reactions

The most serious safety concerns associated with Roxim and its class require immediate medical attention:

  • Hypersensitivity: Severe, occasionally fatal, anaphylactic reactions may occur. The drug is contraindicated in individuals with a known allergy to cephalosporins or a history of severe hypersensitivity to any other beta-lactam antibiotic (e.g., penicillin) due to cross-reactivity.
  • Gastrointestinal: Cases of Pseudomembranous Colitis (a form of antibiotic-associated diarrhea) have been documented.
  • Dermatologic: Severe cutaneous reactions such as Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis are rare but serious.

Safety Considerations for Specific Populations and Use

  • Renal Impairment: Caution and a dose adjustment are necessary for patients with significantly impaired renal function (creatinine clearance <20 ml/min).
  • Pregnancy and Lactation: Use during pregnancy is generally restricted to situations of clear necessity. Small amounts of the drug are excreted in human milk, potentially causing diarrhea or fungal infections in the infant.
  • Monitoring: The drug may result in a positive Coombs' Test, which can affect certain blood diagnostic procedures. Caution is also advised when Roxim is co-administered with oral anticoagulants due to the potential for increased prothrombin time.

Overdose and Emergency Response

Overdose and When to Seek Help

This section outlines information regarding Roxim overdose strictly based on official regulatory documents and authoritative scientific sources.

Documented Overdose Manifestations

Overdose presentations for Roxim, a combination containing cefixime and ofloxacin, may involve symptoms affecting the gastrointestinal and nervous systems. These documented manifestations include nausea, vomiting, dizziness, and diarrhoea.

Overdose risk is directly associated with taking more than the prescribed dose of the medicine. These symptoms are recognized as the clinical manifestations of acute over-ingestion.

Urgent Medical Attention

Immediate medical help is required if a patient experiences any of the documented overdose symptoms—nausea, vomiting, dizziness, or diarrhoea—or any other unusual symptoms after taking more than the prescribed dose. In such a situation, it is necessary to notify a healthcare professional promptly for guidance and management.

Population-Specific Overdose Risks

Regulatory cautions note specific populations where the risk of adverse outcomes may be heightened following exposure, including overdose:

  • Central Nervous System (CNS) Disorders: Patients with known or suspected CNS disorders are cautioned due to the potential for CNS effects, such as seizures and toxic psychosis, stemming from the ofloxacin component.
  • Impaired Kidney Function: As both active components are primarily eliminated by the kidneys, patients with impaired kidney function should be monitored carefully in an overdose context.

Therapeutic Uses of Roxim

What Roxim Treats: Main Uses and Benefits

Roxim (roxithromycin) is an antibiotic relevant for managing bacterial infections in situations where patients experience systemic or localized discomfort. Its function is applied in addressing conditions associated with bacterial activity. The medication is considered relevant across conditions presenting with acute episodes where supportive relief is needed, and is applied when appropriate in clinical settings that involve acute or unstable symptom patterns.

This medication is applied across therapeutic domains that involve certain distressing symptoms caused by susceptible microorganisms. Roxithromycin may be part of symptomatic management for symptom clusters that interfere with daily comfort, including manifestations in the respiratory tract, skin and soft tissue, or genitourinary areas.

This treatment contributes to improved comfort during periods of heightened symptoms and may assist with easing the overall symptom load. The drug is not considered relevant for managing viral infections.

“Roxim supports the patient during difficult episodes by easing distress and may help patients cope more steadily with symptom fluctuations.”

Quick Fact: Used in situations involving certain distressing symptoms related to inflammatory or irritative states.

Eligibility and Restrictions for Use

Who Can and Cannot Use Roxim?

The population eligibility for Roxim (Cefixime) is governed by specific regulatory standards, which mandate who can use the medicine and under which conditions.


Eligibility Scope

Populations for whom use is contraindicated:

  • Individuals with known allergy or hypersensitivity to Cefixime or any antibiotic in the cephalosporin class.

Age-related eligibility rules:

  • Use is approved for pediatric patients aged six months and older and for adults.
  • Safety and effectiveness are not established in infants younger than six months of age. Geriatric use studies found insufficient data to determine differential response in older adults.

Condition-specific eligibility rules:

  • Patients with impaired renal function or those on dialysis (HD/CAPD) have conditional eligibility, which requires specific regulatory modification.
  • Use should be managed with caution in patients with a history of gastrointestinal disease, particularly colitis.
  • Hepatic impairment is an eligibility-related restriction requiring caution due to potential coagulation effects.

Pregnancy and lactation eligibility status:

  • Pregnancy: Categorized as Category B; use is conditional and allowed only if clearly needed.
  • Lactation: Consideration should be given to temporarily discontinuing nursing during the course of treatment.

Eligibility Classifications (High-Level)

Eligibility severity classification:

  • Contraindicated (Absolute prohibition due to hypersensitivity)
  • Conditional Use (Use possible with physiological restriction or modification)
  • Use Not Established (For infants younger than six months)

Connection to the overall eligibility profile: Official regulatory documents define who can and cannot use Roxim primarily through absolute prohibitions for hypersensitivity and conditional eligibility rules tied to age and renal function. These mandates establish the required baseline physiological and immunological status for appropriate use.

What should I know about interactions with other medicines?

Roxim Interactions with other medicines and products

Official regulatory documents define a limited profile of documented interactions for Roxim (Cefixime), primarily involving effects on blood clotting and altered drug exposure.

Documented Pharmacodynamic Interactions

Co-administration with Warfarin and other anticoagulants is documented in regulatory labeling. This combination may increase Prothrombin Time (PT), which is an officially reported pharmacodynamic effect on coagulation parameters. Patients with renal impairment are specifically noted in official documents as being a population at risk for a fall in prothrombin activity with this combination.

Exposure-Altering Interactions

Interactions that alter the plasma concentrations of either Cefixime or a co-administered medicine are officially listed:

  • Carbamazepine: Elevated plasma levels of Carbamazepine have been reported when Cefixime is administered concomitantly.
  • Nifedipine: Concomitant use increases Cefixime absorption, resulting in higher maximum concentration (Cmax) and AUC (area under the curve) of Cefixime.
  • Probenecid: Co-administration increases Cefixime exposure (increased Cmax and AUC) by decreasing its renal clearance, a mechanism involving drug transport inhibition.
  • Salicylates (High Dose): High-dose oral Salicylates are documented to reduce Cefixime exposure by approximately 20% to 25%.

No combination involving Roxim (Cefixime) is formally listed as contraindicated (prohibited) due to interaction risk in primary regulatory documentation.

Mechanism of Action

Roxim (Roxithromycin) is a macrolide antibiotic that targets bacterial cells. The drug accumulates selectively in tissues and phagocytes, achieving high intracellular concentrations. Its primary interaction type is as an inhibitor of bacterial protein synthesis.

At the molecular level, Roxithromycin binds reversibly to the 23S ribosomal RNA component of the 50S ribosomal subunit of the susceptible bacteria. This binding event blocks the polypeptide exit tunnel on the ribosome. The block in the tunnel spatially and sterically prevents the translocation of peptidyl-tRNA, thus inhibiting the elongation phase of protein translation. This interference with protein biosynthesis results in a bacteriostatic effect, impeding the ability of the bacterial cell to proliferate and maintain necessary metabolic functions. The system-level physiological consequence is the modulation of the bacterial population load within the host.

Dosage and Administration Information

How to Use Roxim: Official Administration Guidelines

Administration of Roxim (Cefixime) is governed by specific instructions to ensure standardized use. This section outlines the official, non-advisory protocol for taking the medicine.

Usage Parameter Official Instructions
Route of Administration Strictly Oral administration (by mouth).
Standard Adult Dosing 400 mg daily, administered as a single dose or split into two 200 mg doses every 12 hours.
Timing in Relation to Meals May be taken without regard to food (with or without meals).
Course Duration The typical course is 7 to 14 days, but must be at least 10 days for infections involving Streptococcus pyogenes.
Special Handling (Forms) Oral Suspension must be reconstituted and shaken well before use, and measured with a calibrated device. Chewable Tablets must be chewed or crushed before swallowing.
Population-Specific Rules Pediatric dosing (ages 6 months and older) is based on weight at 8 mg/kg/day, not to exceed 400 mg daily. Dosage for adults with renal impairment (CrCl le 20 mL/min) is reduced, typically to 200 mg once daily.

This protocol for use establishes the specific dose, frequency, duration, and conditions required for proper administration. The instructions mandate precise handling for different formulations and ensure dosage is adapted based on age and renal function.

Recent Clinical Evidence

Research evidence / Overview of studies for Roxim (Cefixime)


Evidence for Use in Uncomplicated Urinary Tract Infections (UTI)

Roxim (Cefixime) was evaluated in studies involving acute bacterial infections of the urinary system. Researchers typically used Randomized Controlled Trials (RCTs) to compare the medicine against other authorized antibiotic agents or controls. These studies focused on adult and pediatric patients diagnosed with simpler, uncomplicated UTIs. Outcomes were monitored to measure the clearance of the specific susceptible bacteria and outcomes related to physical discomfort.

Studies reported that measurements of both clinical findings and microbiological clearance were observed across the typically short-term treatment duration. Data show patterns related to the clearance of common susceptible pathogens, such as E. coli, which was observed in some study periods. However, the evidence base for this condition is still emerging concerning long-term outcomes, as follow-up durations were limited in many studies.


Evidence for Use in Respiratory Tract and Ear Infections

This part outlines the studies, primarily comparative clinical trials, for Cefixime's use in bacterial infections of the upper and lower respiratory tract, including Otitis Media (middle ear infection) and Pharyngitis/Tonsillitis. These studies explored outcomes related to systemic or functional imbalance, such as fever and pain. Study populations included both adults and, notably, pediatric patients.

For conditions like Otitis Media, trials described patterns of both clinical change related to physical signs and the clearance of common causative bacteria. Evidence is limited regarding the long-term impact on certain outcomes, such as findings related to sustained hearing function. For S. pyogenes infections, while some studies reported patterns of microbial clearance, long-term effects are not fully established concerning the prevention of rare but serious complications.


What is Still Uncertain About Roxim Research

A primary area of uncertainty across all indications is the continuous monitoring required due to the evolving nature of bacterial resistance. Research is ongoing to assess how Cefixime may perform against newly resistant strains, and findings were mixed when evaluating performance against highly resistant strains in some trials. Furthermore, evidence quality varies across studies, and data for certain groups remain insufficient, particularly regarding the long-term effects in populations with pre-existing complex illnesses.

Frequently Asked Questions (FAQ)

Common questions about Roxim (FAQ)


Q: What is the primary condition Roxim is officially approved to treat?

A: Official regulatory documents confirm Roxim is approved to treat specific bacterial infections. These include infections such as uncomplicated urinary tract infections (UTIs), middle ear infections (otitis media), throat/tonsil infections (pharyngitis/tonsillitis), and acute flare-ups of chronic bronchitis. It is also approved for use in uncomplicated gonorrhea.

Q: How does Roxim generally compare to other similar older treatments for the same condition?

A: Official sources describe Roxim as an orally active, third-generation cephalosporin. A key characteristic noted in regulatory text is its robust stability against beta-lactamase enzymes. This feature is often cited as a factor that differentiates it from older antibiotic compounds.

Q: Are there any known foods or common dietary supplements that interact with Roxim?

A: Official guidance generally states that Roxim can be taken with or without food. Specific common foods or general dietary supplements are not typically listed as contraindications in the prescribing information.

Q: Is it generally known if Roxim interacts with common over-the-counter pain relievers?

A: Yes, official labeling documents describe a known interaction with high-dose oral Salicylates. This class of pain relievers has been shown to reduce the amount of Roxim absorbed by the body by approximately 20% to 25%. This interaction is detailed in the regulatory texts.

Q: How quickly do patients generally notice the initial effects of Roxim?

A: Patient counseling information available from regulatory sources indicates that patients commonly experience an improvement in their symptoms within the first few days of starting treatment. Official information suggests improvement may begin during this early period.

Q: If someone forgets to take a dose, what is the general rule about the next steps?

A: Official patient guidance outlines a general rule regarding missed doses. This rule typically states that if a dose is forgotten, it should be taken when remembered, unless it is close to the time for the next scheduled dose. Regulatory information generally advises against taking two doses at once.

Q: Does official guidance mention Roxim interacting with alcohol?

A: Official product labeling usually does not list a formal, direct interaction with alcohol. However, some specific patient information sheets, particularly those for single-dose treatments, recommend against alcohol use because it may increase the chance of vomiting.

Q: How often are serious side effects associated with Roxim observed in clinical studies?

A: Regulatory summaries of clinical trials indicate that the majority of adverse reactions observed were mild. Specific frequencies are available for common effects, but serious reactions are generally classified as 'rare' or their frequency is 'not known' and cannot be reliably estimated from available data.

Q: Are there specific medical screening tests or lab work required before starting Roxim?

A: While no specific universal 'screening' test is required before starting, regulatory documents describe conditions where the dosage must be adjusted, such as in patients with impaired renal (kidney) function. This necessary adjustment relies on a prior assessment of kidney function for appropriate administration.

Q: Is it common to experience changes in sleep patterns while taking Roxim?

A: Changes in sleep patterns, such as insomnia, are not typically listed as a common side effect of Roxim. However, official safety information does document rare effects involving the nervous system, which include dizziness, headache, and in rare cases, confusion.

Q: Has Roxim been studied across diverse patient populations, according to evidence summaries?

A: Official labeling confirms that the efficacy and safety of Roxim have been established in both adult and pediatric patients (six months and older). However, research summaries also indicate that there was insufficient data to determine a differential response specifically in older adults.

Q: Are there any specific patient subgroups where Roxim has shown less efficacy in studies?

A: Official clinical studies documentation shows that for the treatment of otitis media caused by Streptococcus pneumoniae, the overall patient response was noted to be approximately 10% lower for Roxim when compared to a different drug used in trials.

Q: If a patient stops taking Roxim, what is generally expected based on official information?

A: Patient counseling guidance available from official sources emphasizes the necessity of completing the prescribed course. This guidance notes that stopping the medicine too soon or skipping doses may risk the infection not being completely eliminated and may increase the chance of bacteria becoming resistant.

Q: Why do some health forums mention that Roxim can cause changes in appetite?

A: Although not listed as a common reaction, the official regulatory listing of less common side effects does include gastrointestinal issues and 'loss of appetite'. This may explain why this concern is referenced in online forums.

Q: What information is available about Roxim and its effect on a person's ability to drive or operate machinery?

A: Official warnings advise caution regarding driving or operating heavy machinery. If a patient experiences certain side effects, such as encephalopathy (confusion, movement disorders, or convulsions), regulatory advice outlines that activities requiring mental alertness, such as driving or operating machinery, are generally restricted.

Q: Does the official labeling for Roxim include information about the risk of accidental overdose?

A: Official information addresses the risk of accidental overdose. Regulatory documents note that there is limited experience with high-dose ingestion, but the adverse reactions were similar to those seen at recommended doses. It is also noted that Roxim is not significantly removed by dialysis.

Q: Do any official sources suggest Roxim can affect fertility?

A: Reproduction studies conducted in animals, as cited in the official prescribing information, did not reveal evidence of impaired fertility or harm to the fetus when Cefixime was administered at high doses.

How should Roxim be stored and disposed of?

How to Store and Dispose of Roxim

Official regulatory documents define specific storage and disposal requirements for Roxim (Cefixime) based on the dosage form.

Dosage Form Storage Requirement Shelf-Life Constraint
Tablets/Dry Powder Store at controlled room temperature (20 C to 25 C), protected from moisture. Store until expiration date.
Reconstituted Suspension Store at room temperature or refrigerated (2 C to 8 C). Do not freeze. Must be discarded after 14 days.

All forms of the medication must be kept in the original container, tightly closed, and stored out of the sight and reach of children. Unused or expired Roxim should be disposed of using a drug take-back program. Disposal into household wastewater systems (e.g., flushing or pouring down a drain) is officially prohibited.

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

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