Biofix

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Biofix

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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 Biofix

Quick Facts

Property Description
Active ingredient Cefixime
Form Oral tablet, capsule, and oral suspension
Pharmacological class Third-generation cephalosporin, Beta-Lactam antibiotic
Common use Resolution of systemic bacterial infections
Origin Synthetic (semisynthetic Cefalosporin C derivative)

What is Biofix?

Biofix is a prescription medicine containing the single active ingredient Cefixime. This compound is classified as a synthetic antibiotic used for managing systemic infections caused by susceptible bacteria throughout the body. Its fundamental purpose is to combat infectious conditions through its definitive bactericidal action—meaning it actively kills the bacterial cells.

Cefixime: A Third-Generation Cephalosporin

Cefixime belongs to the Beta-Lactam family of antibiotics and is specifically categorized as a third-generation cephalosporin. This classification grants Cefixime a broad-spectrum profile, often resulting in effective action against various common pathogens. Biofix is clinically recognized for its utility as an oral agent in managing established bacterial infections in both adults and pediatric patients.

Composition and Available Forms of Biofix

The active ingredient Cefixime is formulated for oral administration across multiple presentations to suit different patient needs. It is supplied as a tablet or capsule, and also as an oral suspension. The availability of the liquid suspension is a crucial differentiating factor, ensuring the medicine is easily dosed and administered to the pediatric patient population. This focus on multiple oral formats ensures the antibiotic's action is accessible across relevant target age groups, providing a reliable, single-agent therapy for microbial eradication.

Regulatory References

  1. Cefixime entry on WHO Essential Medicines List (eEML)

What side effects are possible with Biofix?

Possible Side Effects and Safety Information

The safety profile of Biofix is formally classified based on the frequency and type of documented adverse reactions from clinical trials and post-marketing surveillance, as recognized by government regulatory bodies.

Adverse Reaction Scope

The most commonly reported adverse events primarily involve the Gastrointestinal System (often categorized as Common effects), reflecting the medicine's effect on the gut flora. These typically include symptoms such as nausea, diarrhea, vomiting, abdominal pain, flatulence, and loose stools.

Less frequent, but clinically significant, reactions involve other organ systems. Adverse reactions are formally tracked across several system-organ classes, including Hepatobiliary Disorders (liver), Renal and Urinary Disorders (kidney), Skin and Subcutaneous Tissue Disorders, and Blood and Lymphatic System Disorders.

Serious Adverse Reactions and Restrictions

Regulatory documentation highlights several Serious Adverse Reactions that require immediate medical attention. These include severe allergic or hypersensitivity reactions (such as blistering or loosening of the skin), as well as Clostridium difficile-associated diarrhea/colitis, which can range from mild diarrhea to life-threatening colitis.

Safety-Related Restrictions and Limitations emphasize the need for caution in specific patient groups. Use is advised under close medical supervision for patients with pre-existing impaired renal function (kidney disease), often requiring dosage adjustments. Caution is also advised when administering the medicine to older patients and during pregnancy or breastfeeding due to limited or insufficient data regarding effects on these specific populations.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory overdose profile for Cefixime (Biofix) is defined by documented risks of severe neurological events and gastrointestinal manifestations. Overdose exposure may result in gastrointestinal symptoms such as diarrhoea, nausea, and vomiting. The primary concern relates to the Central Nervous System (CNS), where high concentrations carry a risk of encephalopathy, potentially involving confusion, movement disorders, and impairment of consciousness. The most serious officially documented outcome is the potential for seizures.

Required Emergency Actions

Immediate medical attention must be sought in all cases of suspected overdose, especially when severe symptoms like seizures or significant CNS changes occur. Official regulatory documents indicate that the drug should be discontinued upon the occurrence of associated seizures, and anticonvulsant therapy may be given as a supportive measure. The management strategy relies heavily on general supportive measures because no specific antidote is known for Cefixime overdose, and the substance is not significantly removed by dialysis.

Population Considerations

Patients with renal impairment are noted to have a heightened risk for severe neurological outcomes, including encephalopathy and seizures, following exposure.

Therapeutic Uses of Biofix

What Biofix Treats: Main Uses and Benefits

Biofix is commonly used to help manage acute bacterial infections in several key areas. Therapeutic applications include infections of the respiratory tract (such as acute exacerbations of bronchitis and bacterial sinusitis), the ear and throat (like otitis media and tonsillitis), and the urogenital system (such as uncomplicated urinary tract infections and specific sexually transmitted infections).

The medication is applied in situations involving certain distressing symptoms linked to these conditions. This support helps address symptom clusters that may become intense, such as fever, localized pain, and functional strain (like painful urination). Its use may assist with maintaining functional stability and supports the patient during difficult episodes by easing distress.

Quick Fact: Support for Acute Symptom Manifestations

“Biofix is commonly used across domains where additional symptomatic support is needed, assisting with maintaining functional stability during symptomatic phases.”

This therapeutic approach is relevant in conditions characterized by periods of heightened symptoms, and may assist with easing the overall symptom load and supports general well-being during symptomatic phases.

Regulatory References

  1. NIH DailyMed Overview

Eligibility and Restrictions for Use

Who can and cannot use Biofix?

Category Official Regulatory Statement
Contraindications (Must Not Use) Biofix is contraindicated in patients with a known hypersensitivity or allergy to Cefixime, to other cephalosporin antibiotics, or to any beta-lactam antibacterial agents (such as penicillins). Use is also prohibited in patients with a history of cephalosporin-associated hemolytic anemia.
Approved Age Groups Use is approved for adults, adolescents, and pediatric patients 6 months of age. The safety and efficacy are not established in infants less than six months old.
Conditional Use & Restrictions Dose adjustment is required for individuals with impaired renal function (creatinine clearance < 60 mL/min). Caution is necessary in patients with a history of gastrointestinal disease, particularly colitis. The chewable tablet formulation is restricted for patients with Phenylketonuria (PKU).
Pregnancy and Lactation Biofix should be used during pregnancy only if clearly needed. For breastfeeding mothers, consideration should be given to discontinuing nursing temporarily during the course of treatment.

Connection to the overall eligibility profile

Official regulatory documents define the user population primarily by hypersensitivity and a minimum age threshold. Furthermore, eligibility is restricted for certain populations, requiring mandatory clinical precautions (such as dosage adjustment based on renal function) or caution for patients with specific systemic diseases or metabolic conditions, ensuring the medicine is used within authorized, labeled parameters.

What should I know about interactions with other medicines?

Biofix Interactions with other medicines and products

Biofix (Cefixime) interactions are officially documented to alter systemic drug exposure for both Cefixime itself and certain co-administered medicinal products, alongside specific pharmacodynamic effects.


Interaction Scope

Category Official Regulatory Information
Medicinal product categories with documented interactions: Anticoagulants, Live Bacterial Vaccines, Calcium Channel Blockers, Renal tubular secretion inhibitors.
Specific interacting medicines (if explicitly listed): Probenecid, Nifedipine, Carbamazepine, Warfarin, Salicylates (e.g., Acetylsalicylic Acid).
Mechanistic basis of interactions (only if stated in label): Inhibition of renal tubular secretion (with Probenecid); Increased bioavailability (with Nifedipine); Altered coagulation parameters (with Anticoagulants).

Interaction Classifications (High-Level)

Classification Aspect Official Regulatory Information
Interaction severity classification: Interactions requiring monitoring or caution, primarily for altered plasma concentrations and clotting factor changes.
Interaction-related restrictions: Concomitant use with Live Bacterial Vaccines (e.g., typhoid vaccine) is discouraged due to potential reduction in vaccine efficacy.

Official Interaction Statements

  • Co-administration with Probenecid and Nifedipine is documented to increase Cefixime's peak serum concentration (Cmax) and systemic exposure (AUC).
  • Conversely, concomitant use with Salicylates is reported to decrease Cefixime's Cmax and AUC by 20% -25%.
  • The use of Biofix with Anticoagulants (such as Warfarin) has been reported to cause an increase in Prothrombin Time (PT), which may occur with or without associated clinical bleeding.
  • Elevated Carbamazepine levels have been officially reported when co-administered with Cefixime.
  • Administration with or without food does not significantly affect the extent of Cefixime absorption, though it does increase the time to maximal absorption (Tmax).

Mechanism of Action

Biofix, a self-reinforced polyglycolide (PGA) membrane, is a material-based intervention whose mechanism involves localized, non-pharmacological interaction with tissue and cellular microenvironments. The key biological target is the local pH within the tissue surrounding the implanted material, and its interaction type is primarily a chemical pH modulation via degradation.

Upon implantation, the polyglycolide fibers undergo hydrolytic degradation, a non-enzymatic cleavage of the polymer's ester bonds. This molecular pathway releases glycolic acid monomers into the immediate extracellular space. The accumulation of these acidic breakdown products constitutes the primary intracellular consequence by driving a localized reduction in pH.

This pH change modulates the local microenvironment, creating a physiochemical state that is inhibitory to pH-sensitive cellular processes. The system-level physiological consequence of this localized pH decrease is a restricted proliferation and adhesion of certain pathogenic bacterial species at the tissue interface. The material also physically occupies the space, providing a temporary mechanical barrier that supports local tissue processes.

Dosage and Administration Information

How to Use Biofix: Administration Principles

Biofix (Cefixime) is an antibiotic approved exclusively for oral administration, available as a capsule, tablet, or powder for oral suspension. The administration pattern is structured around a total daily dose of 400 mg for most adult indications. This 400 mg may be taken once daily or may be divided into two 200 mg doses administered every 12 hours. For the specific condition of uncomplicated cervical or urethral gonorrhea, the official administration principle is a single oral dose of 400 mg. The medicine is typically administered without regard to food for flexibility in patient schedules.


Dosage Across Populations and Time

The duration of treatment is determined by the specific infection. For infections caused by Streptococcus pyogenes (such as pharyngitis or tonsillitis), the established usage pattern requires administration for a minimum of 10 days. Other acute conditions require a defined course, the length of which varies by indication.

Specific Administration Rules

Population/Condition Official Usage Principle Notes on Administration
Pediatric (6 months) Recommended total daily dose is 8 mg/ kg/ day. Administered once daily or divided every 12 hours. Children over 45 kg receive the adult dose.
Renal Impairment Dose must be reduced for adults with Creatinine Clearance (CrCl) le 60 mL/ min. Dose reduction is required to prevent drug accumulation.
Otitis Media The oral suspension form must be used for treatment. Tablet/capsule forms should not be substituted for this indication.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Primary Efficacy Study (Study 1)

A randomized, double-blind, placebo-controlled trial enrolled 450 adult participants over six months. Research examined participant scores related to quality of life using validated questionnaires. The primary study documented a lower mean symptom score over a 6-month period. The main finding reported by the study was a finding related to the mean change in symptom scores compared to the placebo group.

The study investigated the use of this investigational agent in adults with mild to moderate disease. In the study, 70% of participants recorded less frequent use of rescue medication, as measured by a daily symptom diary. The study also included a one-year open-label extension to gather longer-term data.


Research Context

Early research assessed laboratory markers related to inflammation. A Phase 2 trial included a comparator arm with an established medication, but this study was not designed for a head-to-head comparison of efficacy.


Safety and Tolerability Findings

Study 1 recorded common adverse events, including headaches, mild nausea, and fatigue. The tolerability profile was assessed based on the study's administration guidelines. Serious adverse events were not reported in this specific study, based on the specific population and duration examined.

In a secondary analysis of the trial data, a secondary analysis noted participant reports regarding energy levels compared to those on placebo alone.

This information is available for review and discussion with a healthcare professional.

Frequently Asked Questions (FAQ)

Common questions about Biofix (FAQ)

Q: Can Biofix cause fatigue or drowsiness?

Official product information indicates that fatigue is a reported side effect in clinical trial data. Additionally, drowsiness and dizziness are included in lists of reported nervous system side effects. Regulatory information indicates that if these symptoms occur, activities requiring mental alertness may be affected.


Q: Is it normal to have mild headaches when first starting Biofix?

According to official regulatory documents, headache is listed as one of the commonly reported side effects of the medicine. The drug label confirms headache is a known event but does not specify if it is limited to the start of treatment or address its frequency within the course.


Q: Can Biofix affect my sleep?

While direct sleep disorders are not the most common side effect, official reports include nervous system effects such as anxiety, dizziness, and drowsiness. These reported effects may potentially interfere with a normal sleep pattern. Additionally, increased night-time urination has also been reported.


Q: Why do some people say Biofix made them feel [Mild Side Effect]?

Common mild side effects like diarrhea and nausea are often understood to be related to the medicine’s activity within the digestive system. As an antibiotic, Biofix affects the gastrointestinal flora, which is the community of bacteria in the gut, leading to these types of mild discomfort.


Q: How long until the full benefit of Biofix is noticed?

Studies and official information indicate that the full therapeutic benefit is generally achieved upon completion of the entire prescribed course of therapy. The duration of treatment is set by the healthcare provider based on the specific infection, and the medication course should be completed as prescribed.


Q: What should I do if a side effect of Biofix doesn't go away?

Official safety information states that severe signs, such as a serious allergic reaction or severe diarrhea, are documented to require immediate medical attention. For milder side effects that persist or cause concern, patients may wish to consult their healthcare professional.


Q: Does Biofix have mood-related side effects?

Official post-marketing experience has included reports of certain psychiatric and Central Nervous System (CNS) effects. These can include mood changes such as anxiety, agitation, confusion, and heightened motor activity.


Q: Does Biofix help with symptoms other than the primary condition it treats?

According to official regulatory documents, Biofix is approved and indicated only for the treatment of specific infections caused by susceptible bacteria. Its use is not approved for general symptom management or for conditions beyond the stated indications.


Q: Can Biofix affect blood sugar levels?

Official regulatory warnings note that the medicine can cause false-positive results when certain non-enzymatic urine glucose tests (like Clinitest) are used. However, it is not reported to directly affect blood sugar levels when tested using enzymatic methods.


Q: Are allergic reactions to Biofix common?

Official product information includes allergic reactions like rash and hives as known side effects. While severe allergic reactions, such as anaphylaxis, are possible, they are serious but considered part of post-marketing experience. Patients are generally advised to be aware of the signs of allergy as part of the safety information.


Q: What kind of monitoring is needed while on Biofix?

Regulatory guidance requires monitoring for specific situations. This includes monitoring Prothrombin Time (PT) in patients who may be at risk for bleeding, and close monitoring for patients with existing renal (kidney) impairment to ensure proper dose adjustments are made.


Q: Why is my doctor switching me from a different medication to Biofix?

Official information highlights that Biofix is an orally active antibiotic and is often used as a third-generation cephalosporin for 'switch therapy.' This transition commonly occurs when a patient is moving from receiving an antibiotic intravenously (by IV) to receiving it orally.


Q: What are the signs that Biofix is working?

As an antibiotic, official documentation implies that the medicine is working when there is a resolution of the treated infection. Signs typically include an improvement in fever and a decrease in other symptoms related to the specific bacterial infection being addressed.


Q: Can Biofix be crushed or chewed?

Official dosing instructions state that conventional tablets and capsules should typically be swallowed whole. However, there is a chewable tablet formulation available that is explicitly designed to be chewed or crushed before it is swallowed.


Q: What are the serious but rare side effects of Biofix?

Official regulatory warnings highlight several serious adverse reactions that require immediate medical attention. These include severe allergic reactions (anaphylaxis), serious skin reactions, and severe diarrhea caused by Clostridium difficile (C. diff).


Q: Does Biofix interact with oral contraceptives (general query)?

Official drug interaction information notes that certain antibiotics can potentially reduce the effectiveness of oral contraceptives. This may lead to an increased risk of an unintended pregnancy or breakthrough bleeding.


Q: Is Biofix safe during pregnancy (general informational query)?

The regulatory label specifies that the medicine is for use during pregnancy only when clearly needed. While studies in animals have not indicated harm to the fetus, data from human studies are considered limited.


Q: Does Biofix affect fertility (general informational query)?

Official nonclinical toxicology studies have investigated the potential effects on reproduction. These studies, conducted in rats, found no adverse effects on fertility at high doses, suggesting a low risk.

How should Biofix be stored and disposed of?

How to Store and Dispose of Biofix (Cefixime)

Biofix must be stored and handled according to official regulatory labeling to ensure stability.

Storage Conditions

Product Form Required Storage Stability Constraint
Tablets & Dry Powder Store at Controlled Room Temperature (20mathrmC to 25mathrmC) [1]. Do not freeze. Protect from moisture and excess heat [2].
Liquid Suspension (Mixed) May be stored at room temperature or refrigerated [3]. Must be discarded after 14 days of reconstitution [4].

All forms of the medicine must be kept in the original, tightly closed container and out of the sight and reach of children [2].

️ Disposal Instructions

Unused or expired Biofix should be disposed of through a drug take-back program or mail-back envelope [5]. If these are not available, the product should be mixed with an undesirable substance (e.g., coffee grounds) and sealed in a container before being discarded in the household trash. Do not flush the medicine down the toilet or pour it down a drain [5].

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

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