Tergecef

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Medically reviewed

Marina Burgos

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 Tergecef

What is Tergecef? A Foundational Overview

Property Description
Active Ingredient Cefixime
Form Capsule, Tablet, Oral Suspension
Pharmacological Class Third-Generation Cephalosporin Antibiotic
General Purpose Treatment of susceptible bacterial infections
Origin Semisynthetic Compound

What is Tergecef, and What Class of Antibiotic is it?

Tergecef is the trade name for a prescription antibiotic medication intended for oral administration to treat infections caused by susceptible bacteria. Its single active ingredient is Cefixime. Cefixime belongs to the class of third-generation cephalosporin antibiotics. This advanced classification within the beta-Lactam antibiotic family is clinically recognized for providing enhanced stability against certain bacterial defense mechanisms, a distinctive feature that supports its effectiveness in the management of acute bacterial infections.

Cefixime Composition, Origin, and Available Forms

The core substance, Cefixime, is a semisynthetic compound, meaning its structure is derived from a natural chemical precursor but is then chemically modified to optimize its antibacterial effectiveness. As a single-active-ingredient product, it provides a focused treatment method. This medication is typically marketed with flexible dosing options, supplied in various established dosage forms for oral use, including capsules, tablets, and a powdered form reconstituted into an oral suspension. The availability of the oral suspension is particularly crucial for the pediatric patient group, allowing for measured administration to children.

How Does Tergecef Generally Help Fight Bacterial Infections?

The general purpose of Tergecef is to provide a reliable method of clearing bacterial infections from the body. It operates with bactericidal activity, meaning it directly kills the offending organisms rather than merely slowing their growth. Cefixime exhibits potent activity against susceptible Gram-positive and Gram-negative organisms, supporting its role as a key oral agent in combating infections. Cefixime achieves this by targeting and disrupting the bacteria’s capacity for cell wall synthesis, ultimately leading to the elimination of the pathogenic agent and the resolution of the bacterial illness.

What side effects are possible with Tergecef?

Possible Side Effects and Safety Information

The safety profile for Tergecef (cefixime) is based on data from clinical trials and post-marketing surveillance reported to government regulatory authorities.

Frequency Category Common Adverse Reactions (from Clinical Trials)
Common (≥1%) Diarrhea (16%), nausea (7%), loose stools (6%), abdominal pain (3%), dyspepsia (3%), vomiting, and flatulence.

Serious and Clinically Significant Adverse Reactions

The most serious safety concerns documented in regulatory sources require high-level warnings:

  • Hypersensitivity Reactions: Life-threatening reactions, including anaphylaxis, anaphylactoid reactions, and shock, have been reported. Severe skin reactions, such as Stevens-Johnson syndrome, Toxic Epidermal Necrolysis, and Erythema Multiforme, are also documented.
  • Clostridium difficile-Associated Diarrhea (CDAD): Diarrhea ranging from mild to fatal colitis has been reported with nearly all antibacterial agents, including Tergecef, and may occur during or up to two months after use.

Other adverse events have been reported across several system-organ classes in post-marketing experience, including those affecting the Hepatic (liver), Renal (kidney), Central Nervous System, and Hemic and Lymphatic (blood) systems.

Safety-Related Restrictions and Monitoring

The official safety documentation highlights specific situations requiring caution:

  • Dose Adjustment: Patients with impaired renal function, including those undergoing dialysis, require an adjustment to the dose.
  • Coagulation Effects: The drug may cause an increase in prothrombin time, which measures the time for blood to clot, especially when administered with anticoagulants like warfarin. Coagulation monitoring is required for at-risk patients.
  • Cross-Hypersensitivity: Caution is advised when administering the drug to patients with a known allergy to penicillin, as cross-hypersensitivity among beta-lactam antibacterial drugs is clearly documented.

Overdose and Emergency Response

Overdose and When to Seek Help

Tergecef (Cefixime) overdose is officially documented to carry a risk of severe neurological manifestations that primarily affect the central nervous system (CNS). These manifestations may include convulsions, significant confusion, movement disorders, and impaired consciousness. The most serious documented outcome is encephalopathy, a condition affecting brain function. This risk is specifically noted to be higher in patients with renal impairment, where the drug clearance is compromised.

Due to the potential for these severe outcomes, regulatory guidance is strict on emergency action: an individual must seek immediate medical attention or call the Poison Help line right away if an overdose is suspected or confirmed. The official prescribing information clarifies that no specific antidote is known for Cefixime. Management is therefore focused on initiating symptomatic treatment and general supportive measures to address the clinical state. While procedures like gastric lavage may be considered, the medication is known to not be removed in significant quantities by procedures such as hemodialysis. The entire management strategy is supportive, underscoring the necessity of urgent professional care.

Therapeutic Uses of Tergecef

Quick Facts

  • Tergecef is indicated for use in the management of bacterial infections.
  • It is prescribed to address acute exacerbations of chronic bronchitis.
  • Therapeutic domains include otitis media, pharyngitis, and tonsillitis.
  • It may be used to treat uncomplicated urinary tract infections.
  • It may also be used in the treatment of uncomplicated gonorrhea.

Tergecef is a medication utilized in healthcare settings for the management of infections that are confirmed or strongly suspected to be caused by susceptible bacteria. The treatment seeks to assist in addressing the underlying infection and supporting the patient’s clinical course.

The medication is a treatment consideration for uncomplicated urinary tract infections (UTIs), a condition affecting the urinary system. It is also an option for managing acute exacerbations of chronic bronchitis, a respiratory condition characterized by an increase in symptoms.

Furthermore, Tergecef is indicated for use in the treatment of otitis media (middle ear infections) and pharyngitis and tonsillitis, which are infections of the throat and tonsils caused by specific bacteria. Additionally, it is used in the treatment regimen for uncomplicated gonorrhea affecting the cervix and urethra.

Infections like a common cold or flu, which are caused by viruses, do not respond to this type of medicine. Using it only for susceptible bacterial infections helps support patient care and minimizes the risk of resistance.


Eligibility and Restrictions for Use

Who Can and Cannot Use Tergecef?

Eligibility for Tergecef (cefixime) is determined by official regulatory criteria, primarily based on patient history, age, and health status.


Absolute Prohibitions (Contraindications)

Tergecef is strictly contraindicated and must not be used by individuals with a documented history of hypersensitivity or a severe allergic reaction to cefixime or to any antibiotic in the cephalosporin class.

Use may also be prohibited for patients with a history of severe immediate allergic reactions to penicillin due to the recognized risk of cross-hypersensitivity.


Age-Group and Conditional Eligibility

Population Group Eligibility Status Restriction/Condition
Adults Approved Use is standard for susceptible infections.
Children Approved (Ages 6 Months and Older) Safety and efficacy are not established in infants younger than six months.
Impaired Renal Function Conditional Dose adjustment is required for severe renal impairment to prevent drug accumulation.
Pregnancy/Lactation Conditional/Not Recommended Use during pregnancy is advised only if clearly needed. Nursing mothers should consider temporarily discontinuing breastfeeding.

These official rules define the patient populations for whom Tergecef is approved, restricted, or prohibited from use.

What should I know about interactions with other medicines?

Tergecef Interactions with other medicines and products

Tergecef’s official interaction profile is characterized by pharmacokinetic (PK) and pharmacodynamic (PD) changes documented in regulatory labeling. The co-administration of Probenecid is known to increase Cefixime plasma concentrations (Cmax) and overall exposure (AUC) by inhibiting its renal clearance. Conversely, official reports indicate that Salicylates may result in a 20-25% decrease in Cefixime Cmax and AUC. An increase in plasma levels has also been reported when Cefixime is administered concomitantly with Carbamazepine.

A significant Pharmacodynamic Interaction involves Oral Anticoagulants, such as Warfarin. Co-administration is associated with a reported fall in prothrombin activity, which may result in increased prothrombin time (INR) and an elevated risk of bleeding events. Regulatory information further notes that this specific risk is heightened in patient populations with pre-existing renal or hepatic impairment.

For interaction-related restrictions, co-administration with Live Bacterial Vaccines (e.g., Typhoid Vaccine Live) is restricted because the antibiotic may reduce or eliminate the intended therapeutic efficacy of the vaccine. Regarding administration timing, no mandatory separation windows are explicitly stated in official labeling. Finally, food has been documented to have no clinically significant effect on the overall absorption of Cefixime.

Mechanism of Action

Targeted Inhibition of Bacterial Cell Wall Construction

The primary mechanism of Cefixime (Tergecef) involves the covalent inhibition of bacterial enzymes called penicillin-binding proteins (PBPs), which participate in constructing the rigid peptidoglycan layer of the cell wall. This domain of action specifically targets structures unique to bacteria, resulting in the loss of the pathogen's structural integrity.


Mechanistic Cascade Leading to Cell Lysis

By halting the crucial cross-linking step of peptidoglycan synthesis, the drug initiates a cascade: the forming bacterial cell wall becomes defective and loses its necessary osmotic stability. This failure leads directly to the physical rupture (lysis) of the bacterial cell, which is the defining bactericidal effect.


Enzyme Stability and Functional Scope

As a third-generation agent, Cefixime's molecular structure provides stability against hydrolysis by certain bacterial beta-lactamase enzymes. This property allows the core mechanism of PBP inhibition to proceed in organisms that express these enzymatic defense mechanisms.

Dosage and Administration Information

Tergecef (Cefixime) is intended for oral administration, supplied as capsules, tablets, and a powder for oral suspension. The standard adult daily dose is generally 400 mg, which may be taken as a single dose or divided into two equal doses of 200 mg taken every 12 hours. The capsules and tablets can be administered without regard to food, offering flexibility in the timing of intake. For specific regimens, such as the treatment of uncomplicated gonorrhea, the administration is a single 400 mg dose.

Treatment duration is determined by the specific infection; for instance, the course for pharyngitis caused by Streptococcus pyogenes involves a duration of at least 10 days. The powder for oral suspension requires reconstitution with a specified volume of water prior to use and is used over tablets or capsules for the treatment of otitis media to ensure appropriate systemic drug exposure. For pediatric patients aged 6 months and older, the dose is calculated based on body weight, typically at 8 mg/kg/day.

For adults with impaired kidney function, the dose is reduced according to the degree of renal compromise. If a dose is missed, it should be taken as soon as possible, unless it is close to the next scheduled dose, in which case the missed dose is skipped to avoid a double dose.

Recent Clinical Evidence

Tergecef: Recent Clinical Evidence

Evidence for Use in Uncomplicated Otitis Media and Pharyngitis/Tonsillitis

Research exploring Tergecef for middle ear infections (Otitis Media) and throat infections has centered on controlled trials, often involving children. These studies examined how symptoms change over time and how bacteria were monitored in the infected areas. Short-term Randomized Controlled Trials (RCTs) compared the medication against other established antibiotic therapies.

Findings described patterns related to the clinical response, evaluating outcomes such as change in symptom severity or the rate of specific clinical measurements in the pediatric population. Studies reported measurements of bacterial eradication and symptom resolution in children who participated in the trials. Safety and effectiveness studies have not been established for infants younger than six months.

Evidence for Use in Uncomplicated Urinary Tract Infections and Gonorrhea

The research for treating uncomplicated urinary tract infections (UTIs) and acute exacerbations of chronic bronchitis (AECB) explored foundational controlled studies, monitoring clinical outcomes and the rate of bacterial monitoring. Data described patterns related to measurements of clinical and microbiological outcomes in short-course regimens.

For uncomplicated gonorrhea, research involved initial single-dose RCTs and ongoing surveillance research. The initial studies focused on measuring the microbiological cure rate—the monitored presence of the Neisseria gonorrhoeae bacteria. More recent findings indicate that patterns related to resistance were observed, with surveillance programs describing patterns of increasing minimum inhibitory concentrations (MICs). This established limitation was observed alongside a change in authoritative recommendations.

Research Gaps and Limitations

The evidence highlights that the research has primarily focused on short-term outcomes of acute infections. As a result, there is limited information for long-term outcomes or whether the microbiological clearance observed in the trials remains durable over an extended time. Furthermore, data for children younger than six months remain insufficient. The most significant research gap is the continued evolution of bacterial resistance, especially in the context of treating uncomplicated gonorrhea, which is a factor in how the medication is evaluated.

Frequently Asked Questions (FAQ)

Common questions about Tergecef (FAQ)

Q: Is Tergecef the same kind of drug as [Similar Drug Name]?

Tergecef contains the active ingredient Cefixime, which is classified by official sources as a third-generation cephalosporin antibiotic. This classification defines its chemical makeup and the specific range of bacteria it is intended to treat. Comparing it to other antibiotics usually requires checking if they belong to the same drug class or target similar types of infections.

Q: How long does it typically take to start feeling the effects of Tergecef?

Regulatory consumer information indicates that most patients should begin to feel an improvement in their symptoms during the first few days of treatment. The antibiotic works quickly to kill susceptible bacteria. If you notice no improvement in your condition within this initial period, official guidance suggests that medical attention may be appropriate.

Q: Can Tergecef affect sleep or cause insomnia?

Insomnia or sleep disturbance is not listed as a common side effect of Tergecef. However, official regulatory information notes that adverse reactions affecting the Central Nervous System (CNS) have been reported. Severe symptoms described in the label, such as changes in consciousness, severe confusion, or seizures, warrant seeking medical attention.

Q: Does Tergecef have an official 'black box' warning?

No, Tergecef does not carry an official Boxed Warning (often called a 'black box' warning) from the US Food and Drug Administration. Official labeling does, however, contain serious warnings about the possibility of life-threatening hypersensitivity reactions and severe Clostridium difficile-associated diarrhea (CDAD).

Q: Is Tergecef considered a high-risk medication?

Regulatory documentation describes potential serious risks that accompany the use of all antibacterial agents, including Tergecef, such as severe allergic reactions and C. difficile infection. These risks are described to allow for a comprehensive medical evaluation where the potential therapeutic benefit is weighed against the reported safety profile.

Q: Can you take Tergecef if you also take common over-the-counter pain relievers?

Official drug interaction documents note that Salicylates, found in some common pain relievers, may affect how much Cefixime is absorbed into the bloodstream. Interactions with other non-salicylate over-the-counter pain medications are not specifically detailed in the same interaction section of the official label.

Q: How long does Tergecef stay in your system after stopping use?

The drug is eliminated from the body relatively quickly. Regulatory pharmacokinetic data indicates that the average elimination half-life—the time it takes for half the drug to be removed—is typically between 3 and 4 hours.

Q: Does Tergecef interact with birth control pills?

Regulatory consumer guidance suggests that antibiotics like Cefixime may potentially reduce the effectiveness of birth control pills containing ethinyl estradiol. Official sources note that patients should discuss the need for additional or alternative contraception with a healthcare provider.

Q: Does Tergecef have generic versions available?

Yes, the active ingredient in Tergecef is Cefixime. According to regulatory product listings, Cefixime is widely available in lower-cost generic versions in various dosage forms.

Q: Is Tergecef a controlled substance?

Tergecef (Cefixime) is classified as a prescription-only antibiotic medication. It is not designated as a federally controlled substance by drug enforcement authorities.

Q: Are there restrictions on driving or operating machinery while using Tergecef?

While official product information indicates the drug generally has a negligible influence on the ability to drive, the label recommends against driving or operating machinery if certain side effects that impair mental function, such as seizures, confusion, or dizziness, are experienced.

Q: Do older adults react differently to Tergecef compared to younger people?

Official clinical studies did not include a large enough number of older adults (aged 65 and over) to formally determine if their response differs from younger patients. However, general reported clinical experience has not identified differences in effectiveness or safety between these age groups.

Q: Can using Tergecef affect my mood or emotional state?

Mood or emotional changes are not listed as common side effects. However, regulatory post-marketing data reports that adverse events affecting the Central Nervous System have occurred. The label mentions that close observation by a healthcare provider may be necessary for patients with a history of seizures or conditions like confusion or encephalopathy.

Q: Is Tergecef known to cause headaches or migraines?

Headache is listed in regulatory post-marketing reports as a possible adverse reaction. It is classified as one of the reported effects on the Central Nervous System, alongside other reactions like dizziness.

Q: Is Tergecef approved in other countries besides the US?

Yes, the active ingredient Cefixime is a globally recognized antibiotic. It is approved and available for use under various trade names by government regulatory bodies in numerous countries around the world.

Q: Does Tergecef contain any common allergens like gluten or lactose?

The presence of inactive ingredients, or excipients, such as lactose or gluten, depends entirely on the specific manufacturer and the product form (e.g., tablet vs. capsule). This specific detail on allergens is listed in the inactive ingredients section of the manufacturer's official regulatory label.

Q: Why is Tergecef sometimes prescribed for a seemingly unrelated condition?

Official regulatory consumer guidance notes that while Tergecef is approved for conditions like ear and throat infections, it is sometimes used to treat other bacterial infections not listed on its primary label. Examples include certain forms of typhoid fever or acute bacterial rhinosinusitis.

Q: Can Tergecef change the results of lab tests?

Yes. Official consumer guidance advises that Cefixime may affect the results of certain urine sugar tests. If you test your urine for sugar, guidance mentions which specific tests should be used, as it can change the results of some methods.

Q: Can Tergecef cause dizziness or balance issues?

Dizziness is listed in regulatory post-marketing surveillance reports as a possible adverse reaction. This reaction is categorized as a Central Nervous System effect reported during use.

Q: Is Tergecef a brand name or a generic name?

Tergecef is the trade name given to the drug by the manufacturer. Cefixime is the generic or non-proprietary name of the active pharmaceutical ingredient.

Q: What is the typical time frame for Tergecef to reach its maximum effect?

Pharmacokinetic data from regulatory sources indicates the time it takes to reach the peak concentration in the blood (Tmax) is usually between 2 to 6 hours after taking a dose. The drug achieves its full therapeutic effect as the concentration increases and is maintained over the course of treatment.

Q: Does Tergecef require regular monitoring or blood tests?

For the general population, routine blood monitoring is not mandated. However, regulatory documentation requires coagulation monitoring (checking blood clotting time) for at-risk patients, especially those who are also taking blood-thinning medication (anticoagulants).

Q: How does Tergecef differ from other similar medications on the market?

Tergecef is defined as a third-generation cephalosporin. Regulatory information notes that this chemical structure provides enhanced stability against certain bacterial defense mechanisms, specifically beta-lactamase enzymes. This key feature is part of what distinguishes it from some older classes of antibiotics.

Q: What kind of patients are enrolled in the clinical trials for Tergecef?

Official research evidence shows that clinical trials have included various patient populations, predominantly those with acute bacterial infections like uncomplicated urinary tract, ear, and throat infections. Studies for ear and throat infections often involved the pediatric population (children).

Q: Is it possible to develop a tolerance to Tergecef over time?

The risk described in regulatory research is related to the bacteria itself developing resistance (tolerance) to the drug over time, not human physiological tolerance or dependence. Official surveillance has documented increasing rates of bacterial resistance for certain infections, leading to changes in treatment recommendations.

Q: What safety information exists regarding Tergecef use in people with liver conditions?

Post-marketing surveillance has reported adverse events affecting the hepatic system (liver). Furthermore, official safety guidance indicates that the risk of bleeding events, when Tergecef is combined with blood-thinners, is heightened in patients with pre-existing hepatic impairment.

Q: What do official sources say about stopping Tergecef use?

Regulatory guidance defines a minimum duration for treatment courses and advises on what to do in case of a missed dose. Official sources state that the full prescribed course of treatment is intended to achieve complete bacterial elimination, even if symptoms show improvement.

Q: How do the benefits of Tergecef outweigh the risks, according to official data?

Regulatory documents outline the drug’s intended use—to treat specific bacterial infections—and list the associated safety risks, such as severe allergic reactions and C. difficile infection. Official use is based on the medical evaluation that the drug's established effectiveness in treating a susceptible infection is justified when compared to its reported safety profile.

How should Tergecef be stored and disposed of?

How to Store and Dispose of Tergecef (Cefixime)

The official storage conditions for Tergecef are dependent on its form. The dry powder, capsules, and tablets must be stored at Controlled Room Temperature (20 C to 25 C / 68 F to 77 F), protected from excess heat and moisture.

Stability and Suspension Rules

Product Form Storage Temperature Stability Period
Dry Powder/Solid Controlled Room Temp. Per Expiry Date
Reconstituted Suspension Room Temp. or Refrigerated 14 Days

Regardless of where the liquid suspension is stored, it must be kept tightly closed and discarded after 14 days of reconstitution. All forms must be stored out of sight and reach of children.

Disposal Requirements

Unused or expired product should be disposed of via a community drug take-back program. If unavailable, the medication should be mixed with an undesirable substance, sealed in a container, and placed in the household trash, following regulatory guidance.

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

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