Amoklavin

Quick links to important sections

Medically reviewed

Rosario Oropesa

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 Amoklavin

Quick Facts

Property Description
Active Ingredients Amoxicillin, Clavulanic Acid
Form Oral (tablet, suspension), Parenteral (injection)
Pharmacological Class Antibiotic (Penicillin group)
Common Use Countering bacterial infections
Origin Semi-synthetic (derived)

What Type of Medicine is Amoklavin?

The product known commercially as Amoklavin is a trade name for the established medicinal entity Co-amoxiclav (INN), which is strictly defined as a Prescription-only medicine (POM). It is structurally classified as a beta-lactam agent, placing it within the highly active Antibiotic pharmacological category. This confirmed status means the medicine is fundamentally used for addressing pathogenic microbial agents. Amoklavin is a Fixed-dose combination product, a key differentiating factor that enhances its utility compared to single-agent formulations, and is available for both oral administration, such as film-coated tablets and oral suspension, and parenteral routes.

What is Amoklavin Composed Of?

Amoklavin is composed of two primary active ingredients: Amoxicillin and Clavulanic Acid. Amoxicillin is the principal agent, a semi-synthetic antibiotic and penicillin derivative responsible for the core bactericidal effect. Clavulanic Acid serves a protective function as a beta-lactamase inhibitor. This unique dual composition is clinically recognized as an essential strategy for maintaining the efficacy of the Penicillin group against resistant organisms. This widely accepted combination has led to its inclusion in multiple national essential medicine lists, confirming its therapeutic importance.

What is the General Purpose of Combining Amoxicillin and Clavulanic Acid?

The general purpose of this specific blend is to achieve a necessary pharmaceutical synergy that successfully addresses the issue of bacterial resistance. By shielding the Amoxicillin component from destructive bacterial enzymes, the Clavulanic Acid ensures the bactericidal action proceeds effectively. This mechanism enables the medicine to function as a highly effective broad-spectrum anti-infective agent for controlling a variety of bacterial infections caused by susceptible organisms, often employed when resistance to simple antibiotics is suspected or confirmed.

What side effects are possible with Amoklavin?

Possible Side Effects and Safety Information

The safety profile of Amoklavin (Co-amoxiclav) is formally classified by regulatory authorities based on the frequency and the physiological system affected. The most frequently documented adverse reactions often involve the gastrointestinal system.

Regulatory Classification of Adverse Reactions

Frequency Classification Examples of Documented Effects
Very Common (Affecting > 1 in 10 patients) Diarrhoea/Loose Stools.
Common (Affecting up to 1 in 10 patients) Mucocutaneous candidosis (thrush), Nausea, Vomiting.
Uncommon (Affecting up to 1 in 100 patients) Skin rash, Dizziness, Indigestion, Rises in liver enzymes (AST and/or ALT).
Rare (Affecting up to 1 in 1,000 patients) Reversible leucopenia (low white blood cell count), Erythema multiforme.

Serious Adverse Reactions and Safety Constraints

The official prescribing information highlights several serious adverse reactions, although these occur at generally low or unknown frequencies. These include life-threatening anaphylaxis and severe hypersensitivity reactions, hepatic dysfunction (hepatitis, cholestatic jaundice), and Severe Cutaneous Adverse Reactions (SCARs), such as Stevens-Johnson syndrome. Additionally, Antibiotic-associated colitis (e.g., C. difficile-associated diarrhea) is a documented risk associated with antibacterial agents.

Safety constraints restrict the use of Amoklavin in certain patient groups. It is formally contraindicated in individuals with a history of serious hypersensitivity to any beta-lactam agent (penicillins, cephalosporins) and in patients with a history of cholestatic jaundice or hepatic dysfunction previously linked to this medicine. Convulsions have been reported, particularly in those with impaired renal function.

Overdose and Emergency Response

The official regulatory documents state that an overdose of Amoklavin primarily affects the gastrointestinal, renal, and central nervous systems. Documented manifestations include abdominal pain, vomiting, diarrhea, skin rash, and CNS effects such as drowsiness and hyperactivity. A critical clinical sign of overdose is a marked decrease in the frequency or amount of urination, which can indicate the potential for amoxicillin crystalluria or complications like oliguric renal failure.

Severe outcomes, including convulsions and rare but potentially fatal hepatic events, are associated with high-dose exposure or pre-existing conditions. Convulsions are noted to be more likely in patients with impaired renal function, and severe hepatic injury is documented more often in males and the elderly.

Official emergency statements mandate that patients or caregivers must seek emergency medical attention immediately for any suspected overdose. Furthermore, regulators explicitly require the immediate contact of emergency services if the patient has collapsed, experienced a seizure, has trouble breathing, or cannot be awakened. Management is officially defined as symptomatic and supportive, as no specific antidote is known. Procedures such as gastric decontamination or haemodialysis are documented interventions for severe cases.

Therapeutic Uses of Amoklavin

What Amoklavin treats: main uses and benefits

This medication is commonly used in the symptomatic management of various bacterial infections. It is a relevant option for conditions characterized by periods of heightened symptoms and is often used during phases when symptoms become more noticeable.

Amoklavin is commonly used in the symptomatic management of bacterial infections of the lungs and airways, such as community-acquired pneumonia, acute bronchitis exacerbations, and acute rhinosinusitis. It is relevant for easing conditions of the skin (like severe spreading cellulitis and animal bite wounds), the genitourinary tract (pyelonephritis), and specific cases of acute otitis media. This combination may assist in the management of systemic symptoms like fever and cough, and thus helps ease the overall symptom load.


Quick Fact: Supportive Management for Physical Discomfort

The agent provides supportive relief when symptoms become more noticeable in severe, complex settings like deep dental abscesses or intra-abdominal infections. It contributes to the management of localized pain, swelling, and redness, supporting general well-being during symptomatic periods.


Regulatory References

  1. NIH StatPearls overview on Amoxicillin-Clavulanate

Eligibility and Restrictions for Use

Eligibility and Contraindications

Official regulatory documents define strict criteria for using Amoklavin (Co-amoxiclav) based on patient history, age, and existing medical conditions.

Absolute Contraindications

Use is strictly prohibited for the following populations, as explicitly stated in the prescribing information:

  • Patients with a history of serious hypersensitivity reactions (e.g., anaphylaxis) to any beta-lactam antibacterial drugs, including penicillins or cephalosporins.
  • Patients with a prior history of cholestatic jaundice or liver dysfunction specifically associated with previous use of amoxicillin/clavulanate potassium.

Restricted and Conditional Use

Some groups may use the medicine only under strict conditions defined by regulatory authorities:

  • Severe Renal Impairment (CrCl < 30 mL/min): Certain high-strength or extended-release tablet formulations must not be used in this population, and dose adjustment is required for other strengths.
  • Hepatic Impairment: Use requires caution, and liver function should be monitored regularly.
  • Pregnancy and Lactation: Use is generally classified as Pregnancy Category B and requires a clear determination that the medicine is clearly needed after a formal risk assessment.
  • Age Groups: Safety and effectiveness are established for adults and older children. Specific low-concentration formulations and modified dosing are required for infants under three months of age.

What should I know about interactions with other medicines?

The official regulatory documents detail several interactions with other medicinal products, primarily impacting the exposure of the active ingredients or affecting the coagulation system.

Documented Interactions

Interacting Substance Official Interaction Description/Requirement
Probenecid Coadministration is not recommended; it causes increased and prolonged blood concentrations of amoxicillin by decreasing its renal tubular secretion.
Oral Anticoagulants (e.g., Warfarin) May cause abnormal prolongation of prothrombin time (increased INR); coagulation monitoring and dose adjustment of the anticoagulant may be necessary.
Allopurinol Increases the incidence of skin rashes in patients receiving both drugs.
Oral Contraceptives May reduce the efficacy of combined estrogen/progesterone contraceptives by affecting intestinal flora, which can lead to lower estrogen reabsorption.
Methotrexate Penicillins may reduce the excretion of Methotrexate, potentially causing an increase in its systemic exposure and toxicity risk.
Mycophenolate Mofetil A reduction in pre-dose concentration of the active metabolite, Mycophenolic Acid (MPA), has been reported, which may reduce its effectiveness.

Official Interaction Notes

  • Food: The absorption of clavulanic acid is enhanced when taken with food, and the medicine is officially recommended to be administered at the start of a meal.
  • Population-Specific: Use of Amoklavin should be avoided in patients with or suspected of having Infectious Mononucleosis due to the association with a morbilliform rash.

Mechanism of Action

Amoklavin is a fixed-dose combination consisting of amoxicillin, a beta-lactam, and clavulanic acid, a beta-lactamase inhibitor.

The primary agent, amoxicillin, targets penicillin-binding proteins (PBPs), which are transpeptidase enzymes situated on the inner surface of the bacterial cell membrane. Amoxicillin functions as an irreversible competitive inhibitor by covalently binding to the active site of the PBPs. This molecular interaction interrupts the final transpeptidation step of peptidoglycan synthesis, a crucial process for constructing the bacterial cell wall. The ensuing intracellular consequence is a structurally defective and osmotically unstable cell wall, leading to activation of bacterial autolytic enzymes and ultimately, cell lysis.

Clavulanic acid, the secondary agent, functions as a suicide inhibitor against bacterial beta-lactamase enzymes. It contains a beta-lactam nucleus that binds irreversibly to the beta-lactamase active site, rendering the enzyme inactive. This protection prevents the beta-lactamase-mediated hydrolysis and subsequent inactivation of the amoxicillin molecule, thereby modulating the system-level physiological outcome by restoring the beta-lactam's integrity and allowing it to interact with its PBP targets.

Dosage and Administration Information

How Amoklavin is Used: Official Administration Principles

Amoklavin, the fixed-dose combination of Amoxicillin and Clavulanic Acid, is administered via two approved routes: oral (tablets and suspension) and intravenous (IV) injection or infusion. The administration follows highly structured principles regarding dosage, frequency, and timing in relation to food.

Administration and Dosing

Usage Principle Official Labeled Instruction
Timing with Meals Oral formulations must be taken at the start of a meal to enhance absorption and reduce the possibility of gastrointestinal issues.
Dosing Frequency Regimens are typically administered on a Twice Daily (q12h) or Three Times Daily (q8h) schedule, depending on the specific formulation and infection type.
Course Duration The standard duration of use ranges from 7 to 14 days, and treatment should not exceed 14 days without an official clinical review.

Specific Use Instructions

Standard adult dosing is commonly 500 mg/125 mg or 875 mg/125 mg of Amoxicillin/Clavulanic Acid per dose, while pediatric dosing for children under 40 kg is weight-based (mg/kg). Specialized tablet forms, such as extended-release versions, must be swallowed whole and cannot be crushed, broken, or chewed to maintain their release profile.

Crucially, dosage must be modified for patients with compromised kidney function (CrCl < 30 mL/min). In these cases, the dosing interval is typically extended (e.g., to every 12 or 24 hours), and some higher-strength or extended-release forms are not applicable due to potential drug accumulation.

Recent Clinical Evidence

Research evidence / Overview of studies for Amoklavin

Overview of the Clinical Study Landscape

The clinical study landscape for Amoklavin primarily relies on Randomized Controlled Trials (RCTs) and systematic reviews, which were evaluated in research for various acute infections. These studies track outcomes related to physical discomfort and outcomes reflecting daily functioning or activity level, which are relevant in trials assessing short-term or episodic symptom patterns.


Evidence for Infections of the Lungs and Airways

Community-Acquired Pneumonia (CAP)

Research explored the structure of clinical evaluation for Community-Acquired Pneumonia. Studies reported patterns observed in the studies where patients described changes related to recovery and activity level during the short-term study period.

Follow-up durations were limited in many pivotal trials, meaning long-term effects are not fully established regarding recurrence or subsequent episodic activity. Evidence quality varies across studies, and comparative evidence is lacking against all possible alternatives.

Acute Exacerbations of Chronic Bronchitis (AECB)

Amoklavin was observed in research exploring short-term symptom changes in conditions involving periods of heightened symptoms affecting the airways. Studies describe how symptoms evolved in the observed populations when assessing outcomes describing episodic or acute changes. The research describes patterns in symptom intensity, but data are still emerging regarding patterns of recurrence or the time elapsed until the next recorded exacerbation.


Evidence for Ear, Nose, Throat, and Skin Infections

Acute Otitis Media (AOM)

Research explored the use of Amoklavin for Acute Otitis Media (AOM), primarily in pediatric populations. Studies highlight changes measured during the study period related to the resolution of symptoms. Research explored whether Amoklavin was associated with differences in outcomes linked to inflammatory or irritative states in certain patient groups. Research explored the differences in outcomes when the product was observed in studies compared to observation-only periods in select populations, and findings were mixed.

Data for certain groups remain insufficient, particularly for very young children or those with complex, recurrent issues. The research provides context but not individual predictions.

Frequently Asked Questions (FAQ)

Common questions about Amoklavin (FAQ)

Q: Is Amoklavin the same as other similar-sounding medicines?

A: Amoklavin is the commercial trade name for the combination drug known medically as Co-amoxiclav. Official documents identify this product as a fixed-dose combination containing two active ingredients: the penicillin-class antibiotic amoxicillin and clavulanic acid. Clavulanic acid acts as a shield to help maintain the effectiveness of amoxicillin.

Q: What kind of infections does Amoklavin usually treat?

A: Official regulatory information indicates the medicine is used to treat bacterial infections caused by susceptible organisms. These indications commonly include infections of the lower respiratory tract, acute bacterial otitis media (ear infections), sinusitis, skin and skin structure infections, and urinary tract infections. The specific infections it is approved to treat are formally defined by the drug's official regulatory labeling.

Q: Are there any common foods or drinks to avoid while using Amoklavin?

A: The official prescribing information advises patients to take the medicine at the start of a meal. This instruction helps to enhance the absorption of one of the active components and reduce the likelihood of potential stomach upset. Formal warnings regarding an interaction with alcohol are typically not listed in the major labeling sections for this product.

Q: What should be done if an allergic reaction is suspected?

A: According to official regulatory labeling, if any signs of a serious allergic reaction occur, the medicine is officially instructed to be discontinued immediately. Such hypersensitivity reactions can be severe, including anaphylaxis, and require prompt medical attention from a healthcare provider.

Q: Is it possible to become resistant to the effects of Amoklavin?

A: Regulatory information notes the potential for drug-resistant bacteria to develop during or after treatment. Regulatory guidance defines that the medicine is indicated for use only in infections strongly suspected or proven to be caused by susceptible bacteria.

Q: What are the official safety classifications for Amoklavin?

A: Amoklavin is designated as a Prescription-Only Medicine (POM) by regulatory bodies, meaning it requires a prescription from an authorized health professional. For use during pregnancy, official labeling generally classifies the medicine as Pregnancy Category B, which means a formal risk assessment is needed before use.

Q: Are there any restrictions on driving or operating machinery while on Amoklavin?

A: The official product safety information lists side effects such as dizziness, which may affect alertness. While the label does not provide an explicit restriction on driving, patients experiencing effects such as dizziness should be cautious, as official documents note this side effect.

Q: Does Amoklavin have any described long-term effects?

A: Official safety documents note that temporary hepatic dysfunction (liver impairment) has been reported, sometimes manifesting several weeks after the medicine is discontinued. For administration courses lasting longer than one week, regulatory documents advise the monitoring of liver, kidney, and blood cell count function.

Q: Is it normal to still feel symptoms after a few days of taking Amoklavin?

A: Regulatory guidelines for this medicine often emphasize the importance of completing the full prescribed duration, which typically ranges from 7 to 14 days. This suggests that the full therapeutic effect might not be realized immediately. The overall success of treatment is evaluated by clinical response over the entire course.

Q: Can Amoklavin cause fatigue or tiredness?

A: Tiredness and fatigue are not listed among the 'Very Common' or 'Common' side effects in the official safety classification tables. However, official safety reports have mentioned a general feeling of weakness or tiredness, although the incidence is categorized as rare or not known.

Q: Do older adults use Amoklavin differently than younger adults?

A: Official prescribing information specifically notes that older adults, or the geriatric population, are more likely to have reduced kidney function. Because this affects how the body processes the drug, the dose may require adjustment based on an individual’s kidney function status.

Q: Is it necessary to finish the entire course of Amoklavin?

A: Regulatory guidance emphasizes using the medicine only for the prescribed duration to effectively treat the infection. Completing the full prescribed course is emphasized in regulatory guidance to support the successful clearing of susceptible bacteria and to minimize the development of drug resistance.

Q: Does Amoklavin affect blood sugar levels?

A: The official label does not discuss the direct regulation of blood sugar levels. However, it does contain a warning regarding certain laboratory tests. The amoxicillin component is known to potentially cause a false-positive result when testing for glucose in the urine.

Q: Are headaches a common side effect of Amoklavin?

A: Headaches are not listed in the official classifications of common or very common side effects. Safety reports from official sources have mentioned headaches with an incidence that is categorized as rare or not known.

Q: Is Amoklavin ever used to prevent infection?

A: Official regulatory documents indicate that in addition to treating existing infections, the injectable form of this medicine is sometimes authorized for prophylaxis. This means it can be used to prevent infections associated with major surgical procedures.

Q: Do official sources discuss what to do in case of overdose with Amoklavin?

A: Official regulatory labeling contains a section on overdosage. It notes that patients may experience gastrointestinal symptoms, seizures, and a buildup of crystals in the urine that could lead to kidney problems. The label states that the medicine can be removed from the body using hemodialysis.

Q: Are there specific instructions for the use of Amoklavin in diabetic patients?

A: The official label does not contain specific dosing modifications tailored solely for diabetic patients. However, the label does include a warning that the amoxicillin component may interfere with some laboratory tests, potentially causing a false-positive reading for glucose in the urine.

How should Amoklavin be stored and disposed of?

The official storage of Amoklavin is defined by its formulation. Tablets and dry powder for suspension must be stored in the original container at controlled room temperature, typically below 25°C (77°F), and protected from moisture. The reconstituted liquid suspension requires refrigeration at 2°C to 8°C and must not be frozen. The liquid suspension must be discarded after 10 days of reconstitution. All forms of the product must be kept out of the reach and sight of children. Unused or expired medication must be disposed of according to local regulations for pharmaceutical waste and should not be flushed or discarded in household waste.

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

Available in countries:

Equivalent of Amoklavin found in:

A-Z Index: