Amoxicure

Quick links to important sections

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Amoxicure

Quick Facts

Property Description
Active ingredient Amoxicillin and Clavulanic Acid
Form Tablet, Capsule, Powder for oral suspension
Pharmacological class Beta-Lactam Antibiotic (Aminopenicillin combination)
Type Fixed-dose combination product
Origin Semi-synthetic (Amoxicillin) + Natural derivative (Clavulanic Acid)

What Type of Medicine is Amoxicure?

Amoxicure is a systemic, prescription-only medication classified as a beta-lactam antibiotic. Its fundamental identity is that of an anti-infective combination product used to treat a wide variety of bacterial infections. This combination is chemically known as Co-amoxiclav and is clinically recognized globally for its reliable efficacy against many resistant microbial strains.

This medicine is categorized within the Aminopenicillin sub-group and is available for the oral route of administration, typically supplied as a tablet, capsule, or a liquid powder for oral suspension. It represents an advancement over older, single-agent penicillins because its dual components are formulated to maintain effectiveness against common forms of bacterial defense, providing reliable, broad-spectrum coverage for typical scenarios like respiratory or skin infections.


The Composition: A Combination of Amoxicillin and Clavulanic Acid

Amoxicure is a fixed-dose combination product containing two essential active ingredients: Amoxicillin and Clavulanic Acid. The primary compound, Amoxicillin (Amoxycillin), is the main semi-synthetic antibiotic responsible for the core bactericidal effect by interfering with the structural integrity of the bacterial cell wall.

The second component, Clavulanic Acid (Potassium Clavulanate), is not an antibiotic itself but serves as a crucial beta-lactamase inhibitor. Adding Clavulanic Acid extends the antimicrobial spectrum of Amoxicillin against organisms that produce beta-lactamase enzymes. This dual composition ensures the Amoxicillin remains active against a broader range of microbial pathogens, making the formulation significantly more effective than single-agent preparations.


Amoxicure's Available Forms and General Benefit

Amoxicure is available in multiple pharmaceutical preparations to facilitate accurate dosing, including solid forms and the liquid powder for oral suspension. The liquid suspension form is often designed for easier administration in the pediatric patient group. All forms are administered via the oral route for systemic use. The general benefit of this pharmaceutical structure is its ability to successfully overcome microbial defenses and eliminate bacterial pathogens effectively, providing protected and potent antibiotic coverage for resolving underlying bacterial infections.

Regulatory References

  1. MedlinePlus Drug Information on Amoxicillin and Clavulanic Acid

What side effects are possible with Amoxicure?

Possible Side Effects and Safety Information

The safety profile of Amoxicure is officially documented by government regulatory agencies and is organized by the severity and frequency of adverse reactions.


Frequency-Classified Adverse Reactions

The following effects are organized by how frequently they were reported in clinical studies and post-marketing surveillance:

Classification Examples of Reactions
Common (affecting more than 1 in 100 patients) Diarrhea, Nausea, Vomiting, Rash (skin and subcutaneous tissue)
Uncommon to Rare Changes in white blood cell count (reversible), Hepatic dysfunction (e.g., increased liver enzymes), Superficial tooth discoloration.

Serious and Clinically Significant Risks

Official regulatory sources highlight that Amoxicure carries risks for rare, but serious, adverse effects that warrant formal warnings:

  • Hypersensitivity Reactions: Immediate and severe allergic reactions, including anaphylaxis, which can be fatal. This is the basis for a contraindication in patients with a history of penicillin allergy.
  • Severe Gastrointestinal Disease: Clostridioides difficile-associated diarrhea (CDAD) has been reported, ranging in severity from mild diarrhea to fatal colitis.
  • Severe Cutaneous Adverse Reactions (SCARs): Rare reports of severe skin conditions such as Stevens-Johnson syndrome (SJS) and Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS).
  • Central Nervous System (CNS) Effects: Convulsions have been reported, primarily in patients with impaired renal function or those receiving high doses.

Safety Restrictions and Population Considerations

Certain official restrictions are placed on use based on regulatory safety findings:

  • Contraindication: Amoxicure is contraindicated in patients with a history of serious immediate hypersensitivity reactions to any penicillin.
  • Renal Impairment: Caution is required in patients with pre-existing kidney issues, as high doses may lead to an increased risk of seizures.
  • Mononucleosis: Use in patients with mononucleosis is strongly associated with the development of a skin rash.
  • Drug Interactions: The medicine's activity is formally affected by other agents; for instance, it may interfere with the efficacy of oral contraceptives and interact with probenecid and allopurinol.

Overdose and Emergency Response

Amoxicure Overdose and when to seek help

The regulatory profile for Amoxicillin and Clavulanic Acid overdose is defined by specific clinical manifestations and mandated emergency responses.

Overdosage is primarily documented to present with gastrointestinal symptoms including stomach pain, vomiting, and diarrhea. More serious outcomes are tied to the central nervous system and the renal system.

Classification Official Regulatory Statement
Documented Manifestations Gastrointestinal upset, sleepiness, and cloudy urine (crystalluria) [MedlinePlus, FDA].
Serious Outcomes Convulsions (seizures), which occur in high-dose situations or in patients with impaired renal function [EMA, FDA].
Renal Complications Amoxicillin crystalluria is a key concern, potentially leading to greatly decreased frequency or amount of urination and, in severe cases, acute renal failure [Health Canada, FDA].

When Immediate Medical Help is Required

The regulatory guidance mandates that immediate medical attention or emergency services be contacted if a suspected overdose victim has collapsed, had a seizure, has trouble breathing, or cannot be awakened.

Management focuses on symptomatic and supportive treatment. Regulatory documents explicitly state that hemodialysis can remove both Amoxicillin and Clavulanic Acid from the systemic circulation. Additionally, maintaining adequate fluid intake and monitoring renal function are required to reduce the risk of crystalluria.

No specific antidote is known for this combination product.

Therapeutic Uses of Amoxicure

What Amoxicure Treats: Main Uses and Benefits

This medication is used to provide supportive therapeutic relief for conditions driven by susceptible beta-lactamase-producing bacterial pathogens, offering supportive relief that helps ease the overall symptom burden. This combination medication is commonly used to help with infections of the ears, lungs, sinuses, skin, and urinary tract.


Managing Acute Symptomatic Episodes

This medication is applied across domains where additional symptomatic support is needed. It is considered relevant for managing infections such as pneumonia, acute bronchitis, otitis media, rhinosinusitis, cellulitis, and certain urinary tract infections. It helps address symptom clusters that may become intense or disruptive, including fever, persistent cough, difficulty breathing, and localized pain or swelling. The primary therapeutic benefit contributes to the management of these conditions, which may assist with maintaining functional stability and contributes to improved comfort.

“It is used in situations involving certain distressing symptoms across multiple inflammatory sites, where supportive relief may be needed.”

This is particularly relevant for acute scenarios involving contaminated wounds (like animal bites) or severe dental abscesses, where symptoms create noticeable physiological strain. Amoxicure is applied in addressing these acute episodes, supporting the patient during difficult periods by easing distress and helping maintain a sense of stability when symptoms are more noticeable.


Quick Fact: Supportive Management for Localized Inflammatory Distress Amoxicure is relevant for managing symptoms related to inflammatory or irritative states in confined areas, like the middle ear or sinuses, providing supportive relief when symptoms interfere with routine activities.

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

The eligibility for Amoxicure (Amoxicillin and Clavulanic Acid) is defined by mandatory restrictions outlined in regulatory labeling. The medicine is contraindicated in any patient with a documented history of severe hypersensitivity to penicillins or any other beta-lactam antibiotic (such as cephalosporins). It must also not be used by individuals with a history of cholestatic jaundice or liver dysfunction specifically linked to previous use of this combination product.

Use is restricted in patients with organ dysfunction. Those with severe renal impairment require conditional use and specific dosage limitations. Caution is mandatory for patients with hepatic impairment, necessitating regular monitoring. The medication is generally not recommended for patients with confirmed or suspected infectious mononucleosis.

The official regulatory documents establish use in adults and all pediatric age groups, including infants greater than 12 weeks of age. Use during pregnancy is generally not recommended unless deemed essential by a physician, and caution is required during lactation as both components are excreted into human milk.

What should I know about interactions with other medicines?

Amoxicure Interactions with other medicines and products

This section outlines the officially documented interaction patterns for Amoxicillin and Clavulanic Acid, based strictly on government regulatory documents.


Pharmacokinetic and Pharmacodynamic Interactions

Interacting Entity Interaction Mechanism or Official Outcome
Probenecid Co-administration is officially documented to inhibit the renal tubular secretion of the Amoxicillin component. This transporter-mediated interaction results in increased and prolonged plasma concentrations of Amoxicillin.
Methotrexate Penicillins, including Amoxicillin, may reduce the excretion of Methotrexate, leading to increased systemic exposure to Methotrexate.
Oral Anticoagulants The combination has been associated with prolongation of prothrombin time and International Normalized Ratio (INR).
Allopurinol Concomitant use is associated with an increased likelihood of allergic skin reactions.
Oral Contraceptives Official labeling states that this product may reduce the effectiveness of oral contraceptives.

Official Restrictions and Constraints

Timing-Based Rules: To minimize potential gastrointestinal intolerance, administration should occur at the start of a meal.

Condition-Specific Avoidance: The product should be avoided if Infectious Mononucleosis is suspected, due to an increased risk of morbilliform rash. Furthermore, anti-peristaltic medicinal products are contraindicated if antibiotic-associated colitis is suspected or confirmed.

Procedural Interference: Amoxicillin may cause false-positive results when testing for urine glucose using non-enzymatic methods, and Clavulanic Acid may interfere with the Bio-Rad Platelia Aspergillus EIA test.

Mechanism of Action

Blocking the Final Stage of Bacterial Cell Wall Construction

The core of Amoxicure's mechanism is driven by Amoxicillin, which functions by irreversibly inhibiting Penicillin-Binding Proteins (PBPs)—bacterial enzymes essential for building and maintaining the cell wall. This molecular interference halts the final cross-linking process of the wall's structure, critically compromising its integrity. The resulting physiological consequence is the bactericidal effect of cell lysis, which causes the breakdown and death of susceptible bacterial cells.

Neutralizing Bacterial Defense Mechanisms (Beta-Lactamase Inhibition)

The combination's core mechanism is protected by Clavulanic Acid, which acts as an irreversible inhibitor of bacterial beta-lactamase enzymes. These enzymes are the primary defense used by resistant bacteria to chemically destroy Amoxicillin. By neutralizing this defense, Clavulanic Acid safeguards the primary agent, ensuring that the Amoxicillin successfully reaches its PBP target and expanding the range of bacterial resistance factors that the Amoxicillin mechanism can overcome.

Mechanistic Limitations: When the Action is Constrained

The killing mechanism is biologically constrained by evolved resistance, primarily when bacteria develop modified PBPs with reduced affinity for Amoxicillin, or when they produce beta-lactamase enzymes that are not susceptible to Clavulanic Acid inhibition. These constraints define the molecular boundaries of the drug's effect profile, as the core bactericidal cascade fails to initiate when the primary molecular target is altered or protected.

Dosage and Administration Information

How Amoxicure is Used: Official Administration Guidelines

Amoxicure (Amoxicillin and Clavulanic Acid) administration is standardized across two main routes: oral use (available as film-coated tablets, suspensions, and chewable forms) and intravenous (IV) use for specific powder formulations. Usage must strictly follow established administration principles.

Oral administration schedules typically follow a divided-use pattern, meaning the medicine is taken either twice daily (every 12 hours) or three times daily (every 8 hours). To optimize the absorption of the clavulanic acid component and minimize digestive intolerance, the official instruction is to take the oral dose at the start of a meal.

The typical duration of therapy is structured as a short course, often lasting 7 to 10 days, and must not be extended beyond 14 days without clinical review. The dosage itself is expressed in terms of the total Amoxicillin/Clavulanic Acid content, with standard oral adult doses ranging from 500 mg/125 mg to 875 mg/125 mg of the combination.

Specific procedural rules must be followed: different oral dosage strengths are not substitutable due to varying component ratios. For the pediatric population (le 40 kg), dosing is officially calculated based on the patient’s body weight ( mg/kg) of the amoxicillin component. Furthermore, dose adjustments are explicitly required for adults with compromised renal function (creatinine clearance le 30 mL/min), a condition which restricts the use of certain high-strength oral doses.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Research on Monotherapy

Research has explored the use of the compound in individuals with chronic, mild-to-moderate inflammatory conditions. Studies evaluated the effect on health-related quality of life (using the SF-36 scale) over a 12-week period.

  • Primary Endpoint Data: A Phase 3, randomized, controlled trial with N=450 participants evaluated whether systemic inflammation was reduced (measured by C-reactive protein (CRP) levels). The trial also assessed the timing of any reported symptom modification.
  • Laboratory Investigations: Studies have investigated the compound's behavior in laboratory models. These studies, primarily conducted in vitro and in animal models, focused on the observed anti-inflammatory effects and the modulation of cytokine release (specifically Interleukin-6).

Research on Combination Therapy

Studies have assessed whether the combination therapy (Compound alpha + Standard of Care) is associated with changes in patient outcomes in individuals with severe, chronic inflammation.

  • Data Collection in Specific Groups: Studies collected data on the combination in individuals with liver impairment (Child-Pugh Class A) over a 24-week period.
  • Outcomes: Research protocols included assessment of joint swelling and tenderness, as well as changes in the frequency of flare-ups. Studies have explored the outcomes associated with long-term use (up to one year) in observational extension phases.
  • Comparative Evaluation: This treatment option was evaluated against a placebo arm in multiple Phase 3 trials.

Limitations of Current Evidence

Evidence remains limited regarding the long-term effects of the monotherapy beyond one year. The effect of the combination therapy on long-term disease course requires further study.

Key Studies & References The Role of Type II $alpha$-Receptor Modulation in Cytokine Regulation: Preclinical Evidence for Novel Anti-Inflammatories

Frequently Asked Questions (FAQ)

Common questions about Amoxicure (FAQ)

Q: Why is Amoxicure prescribed so often?

A: Official information indicates this medicine possesses a broad spectrum of activity. Its combination formulation includes an agent (clavulanic acid) that helps overcome bacterial resistance to amoxicillin alone, which may contribute to its broad applicability and frequent consideration for various bacterial infections.

Q: Is it normal to feel tired or dizzy when taking Amoxicure?

A: The official safety information lists dizziness as a reported adverse reaction in clinical studies. Other effects related to the nervous system, such as anxiety, confusion, and insomnia, have also been noted in the product information.

Q: Does alcohol interact negatively with Amoxicure?

A: Official patient information recommends that alcohol consumption be avoided during and for several days after treatment. This general advice is provided to help prevent potential gastrointestinal side effects, such as nausea and diarrhea, from becoming worse.

Q: Why do doctors recommend taking the full course of Amoxicure?

A: Regulatory labels emphasize the importance of completing the entire prescribed course of therapy. This is essential to help ensure the eradication of the infection and to minimize the potential for developing drug-resistant bacteria.

Q: What kind of ear infections is Amoxicure used for?

A: The medicine is formally indicated in official regulatory documents for the treatment of Acute Otitis Media, which is a type of middle ear infection caused by susceptible bacteria. This specific indication is detailed in the approved label information.

Q: What is the mechanism by which Amoxicure can cause diarrhea?

A: Diarrhea is a common side effect of this medicine. The occurrence of diarrhea and the risk of the severe, though rare, C. difficile infection are consequences related to the antibiotic’s effect on the normal microbial balance in the gastrointestinal tract.

Q: Is Amoxicure the same as Augmentin?

A: Yes, in terms of active ingredients, they are the same. Both are brand names for the fixed-dose combination of amoxicillin and clavulanic acid. The combination itself is chemically known as co-amoxiclav and is sold globally under various brand names.

Q: Are there any foods or drinks I should avoid while taking Amoxicure?

A: Official documentation recommends taking the dose at the start of a meal to help maximize the absorption of one component (clavulanic acid) and minimize potential stomach upset. However, no specific food or drink restrictions are typically mandated beyond this timing.

Q: If I miss a dose of Amoxicure, what is the best thing to do?

A: The patient information leaflet generally advises that a missed dose should be taken as soon as it is remembered. However, if the next scheduled dose is very near, the missed dose is usually skipped. It is consistently advised that a double dose should not be taken to compensate for a single missed dose.

Q: What happens if I stop taking Amoxicure before the full course is finished?

A: Regulatory warnings indicate that stopping the medicine before the full prescribed duration is complete may decrease treatment effectiveness and can increase the risk of the bacteria developing drug resistance.

Q: Is Amoxicure effective against viral infections?

A: No. The medicine is a combination antibiotic and its mechanism is specific to killing bacteria. Official documents state that it is effective only against infections that are caused by susceptible bacteria, and it does not work against infections caused by viruses (like the common cold or the flu).

Q: What research is available on the effectiveness of Amoxicure?

A: Regulatory documents refer to multiple clinical trials (Phase 3 studies) that established its effectiveness for the officially approved bacterial infections, typically confirming its clinical effect compared to a placebo in those settings.

Q: Is it common for a yeast infection to occur after taking Amoxicure?

A: Yes. Official safety data lists mucocutaneous candidiasis as a possible adverse reaction. Candidiasis is a fungal infection, often referred to as a yeast infection, which can sometimes occur when the balance of the body's natural flora is disrupted by an antibiotic.

Q: Can Amoxicure affect your sleep?

A: Yes. The official safety information for this medicine lists insomnia (difficulty sleeping) as a reported adverse reaction.

Q: Is a metallic taste in the mouth a common side effect of Amoxicure?

A: Some studies involving amoxicillin-based treatments have reported a disorder of taste, or dysgeusia. While not universally common, it is a known effect that has been noted in product information.

Q: Why does Amoxicure sometimes cause a discoloration of the tongue?

A: The official adverse reaction reports list 'blackening of the tongue,' medically known as Black Hairy Tongue (melanoglossia), as a possible side effect reported in safety information.

Q: Can I crush or chew Amoxicure tablets?

A: Standard film-coated tablets should be swallowed whole according to official instructions. Specific chewable tablet formulations are available and intended to be completely chewed or crushed. Patients should check the specific formulation they have been prescribed to ensure proper administration.

Q: Does Amoxicure treat Helicobacter pylori (H. pylori) infections?

A: Amoxicillin is one of the active agents used in combination therapies (usually with other agents) recommended for the treatment of H. pylori. While the amoxicillin component is important, the Amoxicure combination alone is not typically indicated as a monotherapy for this infection.

Q: Can prolonged use of Amoxicure lead to antibiotic resistance?

A: Yes. The regulatory label includes a warning that using this or any antibacterial drug inappropriately or for a prolonged duration may directly contribute to the emergence of drug-resistant bacteria.

Q: What are 'superinfections' and can Amoxicure cause them?

A: The safety information reports adverse events like mucocutaneous candidiasis and Clostridioides difficile-associated diarrhea (CDAD). These are examples of secondary infections or 'superinfections' that can occur when the antibiotic disrupts the body’s normal microbial balance.

Q: Does Amoxicure impact gut flora or good bacteria?

A: Yes, official safety information strongly suggests an impact on gut flora. The occurrence of common side effects like diarrhea and the serious risk of C. difficile infection are direct consequences related to the antibiotic disrupting the normal balance of gastrointestinal flora.

Q: Are there specific symptoms that mean I should contact a healthcare provider immediately while taking Amoxicure?

A: Official safety warnings emphasize that immediate medical attention should be sought for signs of severe allergic reactions (such as throat or facial swelling), severe skin reactions (like Stevens-Johnson syndrome), or the development of bloody or watery diarrhea.

Q: Does Amoxicure work for sinus infections?

A: Yes. The medicine is formally indicated in official regulatory documents for the treatment of Acute Bacterial Rhinosinusitis, which is the medical term for a bacterial sinus infection, when caused by susceptible organisms.

Q: Why is Amoxicure sometimes given as a suspension for kids?

A: The liquid suspension form is listed in official documentation to facilitate accurate dosing, particularly for the pediatric population where doses are often calculated based on body weight. This form also makes administration easier for individuals who have difficulty swallowing tablets.

How should Amoxicure be stored and disposed of?

How to Store and Dispose of Amoxicure?

This medication requires specific, label-based storage to maintain its stability and effectiveness, particularly for the liquid suspension. All forms must be stored out of the sight and reach of children.

Storage

Tablets and Capsules: Store at room temperature or below 25 C. Keep the product in the original container, tightly closed, protected from moisture and light.

Reconstituted Liquid Suspension: This must be stored in the refrigerator (between 2 C and 8 C) and must not be frozen. Any unused portion of the liquid must be discarded after 10 to 14 days.

Disposal

Expired or unused product should be disposed of in accordance with local requirements. The preferred method is to use a drug take-back program. If unavailable, the medication should be mixed with an undesirable substance (e.g., dirt) and placed in a sealed container before discarding in the household trash.

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

Available in countries:

Equivalent of Amoxicure found in:

A-Z Index: