Амоксиван

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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 Амоксиван

Quick Facts

Property Description
Active ingredient Amoxicillin and Clavulanic Acid (Co-amoxiclav)
Form Tablets, oral suspension, powder for injection
Pharmacological class Broad-spectrum beta-Lactam Antibiotic and beta-Lactamase Inhibitor combination
Common use Combating bacterial infections
Origin Semi-synthetic and derived

What Kind of Medicine is Amoxicillin/Clavulanic Acid (Амоксиван)?

Амоксиван, internationally known by its non-proprietary name Co-amoxiclav, is a fixed-dose combination antibacterial medicine classified as a broad-spectrum beta-lactam antibiotic. Its fundamental purpose is the effective elimination of a wide variety of bacterial infections.

This combination product belongs to the pharmacological group of penicillin derivatives, which function as bactericidal agents. It is clinically recognized for its reliability in settings where resistance is suspected. The combination is widely recognized as a core therapeutic agent. Other well-known global brands sharing this identical formulation include Augmentin and Clavamox, confirming its widespread use.

Composition and Physical Forms of Амоксиван

The core of Амоксиван consists of two distinct active ingredients: Amoxicillin and Clavulanic Acid (typically as Clavulanate Potassium). Amoxicillin is a semi-synthetic derivative of the penicillin nucleus. Clavulanic Acid is a beta-lactam structurally related to penicillins. This confirms the dual nature of the medicine, combining a primary antibacterial agent with a unique resistance-modifying agent.

The medicine is available in various pharmaceutical preparations for both oral and intravenous routes of administration. These forms, including specialized dispersible tablets and suspension for oral administration, are particularly important for ensuring appropriate delivery for pediatric patients.

The General Benefit of This Antibiotic Combination

The primary general benefit of this drug is its ability to overcome a common cause of treatment failure: antimicrobial resistance. While Amoxicillin is susceptible to degradation by bacterial beta-lactamase enzymes, the co-administered Clavulanic Acid functions as an inhibitor. This mechanism results in a synergistic effect.

This strategic combination ensures the drug remains a reliably potent and bactericidal agent against bacterial strains that have developed defenses against Amoxicillin when used alone. A typical neutral use scenario for this drug involves treatment initiation following confirmation of an infection caused by beta-lactamase-producing organisms.

Regulatory References

  1. Model List of Essential Medicines

What side effects are possible with Амоксиван?

Possible Side Effects and Safety Information

This section outlines the officially documented safety profile of Амоксиван (Amoxicillin/Clavulanate) based on governmental regulatory data, without providing therapeutic advice.

Adverse Reaction Profile

Adverse reactions are primarily classified by frequency and system. Common reactions often involve the Gastrointestinal system (e.g., diarrhea, nausea, vomiting) and the Skin (e.g., rash, urticaria). Diarrhea is the most frequently reported side effect. Uncommon effects include indigestion, headache, and dizziness.

Serious and Clinically Significant Reactions

Serious adverse events are rare but clinically significant. These include severe Hypersensitivity Reactions (anaphylaxis) and serious Cutaneous Adverse Reactions (SCARs), such as Stevens-Johnson syndrome (SJS) and Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS). The drug is associated with a risk of Hepatotoxicity, specifically cholestatic jaundice and hepatitis, which can be severe and require immediate discontinuation. Additionally, the possibility of Clostridioides difficile-associated diarrhea (CDAD), which may range from mild to fatal colitis, should be considered.

Safety Restrictions and Population Considerations

The product is contraindicated in patients with a history of severe allergic reaction to penicillin or other beta-lactam antibiotics, and in patients with a history of cholestatic jaundice or liver dysfunction associated with previous use of Amoxicillin/Clavulanate. Use should also be avoided in patients with Infectious Mononucleosis due to the high risk of a generalized rash.

Specific Patient Groups require caution and/or dose adjustment: patients with Severe Renal Impairment (creatinine clearance < 30 mL/min) often require dose modification, and the extended-release formulation is contraindicated in this group. Patients with known Hepatic Impairment must be monitored closely for liver function. The chewable tablets and oral suspension contain phenylalanine and are noted for use in patients with Phenylketonuria (PKU).

Overdose and Emergency Response

Overdose and when to seek help — Official Regulatory Information for Амоксиван

This section details the officially documented information regarding overdose manifestations and required emergency actions, as established in governmental regulatory sources.


Documented Overdose Scope

Entity Regulatory Statement
Documented overdose presentations Manifestations may include gastrointestinal symptoms like stomach pain and diarrhea. Central Nervous System (CNS) effects such as sleepiness have been documented. Critical renal findings include amoxicillin crystalluria and a greatly decreased amount or frequency of urination.
Dose-related or exposure-related factors The risk of convulsions/seizures is specifically associated with the administration of high doses of the medicine.
Population-specific overdose notes Patients with impaired renal function have a heightened risk of experiencing convulsions due to compromised drug clearance.
Emergency-response statements Contact a Poison Control Centre or hospital emergency department immediately. Management procedures include the use of haemodialysis for drug removal.
When immediate medical help is required Immediately call emergency services (e.g., 911) if the affected person has collapsed, had a seizure, has trouble breathing, or cannot be awakened.

Overdose Severity and Management

Entity Regulatory Statement
Severity classification Overdose may lead to acute life-threatening adverse drug reactions. Severe hepatic events have been reported and, in extremely rare circumstances, associated with deaths.
Overdose-context constraints Maintaining adequate fluid intake and urinary output is advised during administration of high doses to reduce the possibility of amoxicillin crystalluria.

Official Overdose Statements

  • Manifestations can include sleepiness, stomach pain, diarrhea, and critical changes in urine output, including crystalluria.
  • Convulsions are a potential outcome, particularly linked to high doses or pre-existing renal impairment.
  • Immediate medical help must be sought if severe signs, such as seizure or collapse, are observed.
  • Haemodialysis is an officially documented measure to clear the drug from circulation in an overdose context.

The regulatory documents establish the overdose profile by defining the recognized clinical features and highlighting the severe potential for convulsions and hepatic events. This is coupled with explicit instructions detailing the critical, life-threatening conditions—such as loss of consciousness or respiratory distress—that mandate calling emergency services.

Therapeutic Uses of Амоксиван

What Амоксиван Treats: Main Uses and Benefits

The combination is commonly applied in clinical settings that involve acute or unstable symptom patterns, and may assist with maintaining a sense of stability when symptoms are more noticeable. This medication is used across therapeutic domains including respiratory tract infections, urinary tract infections (UTIs), infections of the skin and soft tissues, and oral cavity infections like dental abscesses.

The medication helps address symptom clusters that may become intense or disruptive, such as pronounced pain, inflammation, and fever. It is relevant in contexts involving injuries or trauma that result in infection, and is often used when symptoms intensify and supportive relief is needed in both adults and pediatric populations.

“The therapy is relevant when supportive symptom management is appropriate, as it assists with maintaining functional stability.”

This therapeutic support contributes to easing the overall symptom load, and may assist with maintaining comfort when symptoms interfere with routine activities.

Quick Fact: Supportive Management for Acute Episodes
Symptom Domains Localized Pain, Swelling/Redness, Systemic Fever
Clinical Context Acute episodes where resistance may be relevant
Key Supportive Role Provides support to ease the overall symptom load

Eligibility and Restrictions for Use

The official eligibility for Амоксиван (Amoxicillin/Clavulanic Acid) is defined by regulatory agencies based on a patient's medical history and current physiological state.

Contraindicated Populations

Absolute non-eligibility is established for patients with a documented history of severe hypersensitivity reaction (e.g., anaphylaxis) to any penicillin or other beta-lactam antibacterial drug. The medicine is also contraindicated in patients with a prior history of cholestatic jaundice or hepatic dysfunction specifically associated with Amoxicillin/Clavulanic Acid use.

Restricted or Conditional Use

Use is not recommended in patients with Infectious Mononucleosis due to the high risk of developing a morbilliform skin rash. Patients with severe renal impairment (GFR < 30 mL/min) are ineligible for certain high-dose or extended-release formulations and require mandatory dose adjustment. Individuals with hepatic impairment should use the medicine with caution and require monitoring of liver function.

Age and Perinatal Eligibility

Use is established for adults and pediatric patients three months of age and older. For infants under 12 weeks, dosing must be modified due to incompletely developed renal function. The FDA classifies use in pregnancy as Category B, permitting it only if clearly needed. Caution is advised during lactation, as both components are excreted in human milk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define the interaction profile of Amoxicillin/Clavulanic Acid (Амоксиван) across several pharmacokinetic and pharmacodynamic domains. These interactions relate to co-administered medicines, specific substances, and administration timing.


Documented Pharmacokinetic Interactions

Substance Interaction Pattern (Official Outcome)
Probenecid Significantly prolongs and elevates the blood concentrations of Amoxicillin by competitively inhibiting its renal tubular secretion, thereby reducing its clearance.
Methotrexate Reduces the renal clearance of Methotrexate, which may lead to elevated serum concentrations and an increased risk of toxicity.
Oral Contraceptives May reduce the efficacy of combined estrogen/progesterone oral contraceptives.

Documented Pharmacodynamic and Substance Interactions

Substance Interaction Pattern (Official Outcome)
Oral Anticoagulants May cause a clinically significant increase in the prolongation of prothrombin time (INR).
Allopurinol Co-administration increases the likelihood of an allergic skin rash associated with Amoxicillin.
Food (Meals) Administration at the start of a meal enhances the absorption of the Clavulanic Acid component.

Interaction-Related Constraints: The product is officially contraindicated for use in patients with a prior history of cholestatic jaundice or hepatic dysfunction linked to Amoxicillin/Clavulanic Acid treatment. The risk of altered prothrombin time requires close consideration in the elderly and in those with renal or hepatic impairment.

Mechanism of Action

Amoxivan is a combination of amoxicillin, a penicillin-class agent, and clavulanic acid, a beta-lactamase inhibitor, that acts to modulate bacterial proliferation.


Inhibition of Bacterial Cell Wall Synthesis

This domain covers the enzyme-mediated signaling of amoxicillin. It modulates key pathways in the structural integrity of the bacterial cell. Amoxicillin binds to penicillin-binding proteins (PBPs), which are transpeptidases essential for forming the peptidoglycan cross-links in the bacterial cell wall. This mechanism disrupts cell wall synthesis, leading to osmotic instability and subsequent bacterial lysis.


Counteraction of Enzymatic Degradation

This domain relates to the action of clavulanic acid, which acts within systems where bacterial defensive mechanisms are overactive. Clavulanic acid engages a mechanism that regulates the ability of certain bacteria to produce beta-lactamase enzymes. Clavulanic acid acts as a suicide inhibitor, irreversibly inhibiting these enzymes, thereby protecting amoxicillin from hydrolysis and maintaining its activity within the targeted pathways.

Dosage and Administration Information

Official Administration Guidelines

Амоксиван (Amoxicillin/Clavulanate) is approved for both oral (tablets, suspension) and intravenous (IV) administration, with specific dosing protocols to ensure proper use.

Dosage and Frequency

Standard adult (patients ge 40 kg) dosing regimens are based on the amoxicillin component and are typically prescribed as a fixed schedule, with the choice of regimen often linked to the severity of the condition:

Adult Dosing Regimen (Amoxicillin/Clavulanate) Frequency Course Duration
875 mg/125 mg Every 12 hours (Twice daily) 7 to 14 days
500 mg/125 mg Every 8 hours (Three times daily) 7 to 14 days

Pediatric patients (< 40 kg) are dosed according to body weight (mg/kg/day) using the amoxicillin component, with specific maximum daily doses defined for the clavulanate component.

Special Instructions for Use

Oral administration must occur at the start of a meal to minimize potential gastrointestinal intolerance and enhance the absorption of the clavulanic acid component. Dosage must be adjusted for patients with impaired kidney function (CrCl < 30 mL/min) by extending the interval between doses (e.g., to every 12 or 24 hours). The 875 mg tablet strength is generally not to be used in cases of severe renal impairment. Oral suspensions require reconstitution prior to use, and tablets, including Extended-Release forms, must be swallowed whole or taken immediately if split along the score line, to maintain the integrity of the dose.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Early Phase Studies (Mechanism of Action)

Research has explored the drug's activity against the X-receptor pathway and its influence on the Y-cytokine cascade. These initial investigations primarily used in vitro models and preclinical studies in animal subjects to observe potential effects.

  • One preclinical study reported a decrease in serum levels of Y-cytokine in a rat model of inflammation.
  • Another investigation examined the drug’s potential to modulate immune cell activity in cultured human cells.

Clinical Efficacy and Outcomes

Single-Agent Trials

The initial RCTs indicated that the typical dose was associated with a reduction in symptom severity. Study participants had acute symptoms.

  • Participants in the trials reported a reduction in pain, with observations made at the 48-hour mark.
  • Phase 2 trials documented the frequency of adverse events.
  • The findings related to outcome measurements varied when the dose was adjusted based on individual participant response.

Combination Therapy Research

Further studies evaluated whether combining the drug with standard therapy resulted in a different outcome than standard therapy alone. This research was primarily conducted in patients whose condition had not responded sufficiently to single-agent treatments.

  • Research examined whether this combination impacted patient outcomes and whether it influenced the underlying inflammation.
  • The drug was studied in individuals unresponsive to first-line agents.

Special Populations and Safety

Long-Term Use

One small study reported on the long-term use of the drug in the elderly. This study tracked participants for 24 months, monitoring for changes in liver function, cardiovascular markers, and incidence of infection.

Exclusions and Limitations

The study did not include participants with a history of heart issues, and more research is needed to determine the relevance of this treatment approach for this specific population. Overall, studies evaluated the drug's short-term use (up to 12 weeks) most frequently. Long-term safety data beyond two years remain limited.

Key Studies & References Older Women Face Increased CVD Risks With Longer Term Antibiotic Use (Informing Special Populations/Long-Term Use in Elderly)

Frequently Asked Questions (FAQ)

Common questions about Амоксиван (FAQ)


Q: Why is Амоксиван used for so many different kinds of problems?

According to the official product information, Амоксиван is classified as a broad-spectrum beta-lactam antibacterial medicine. This broad activity is due to the combination of amoxicillin with clavulanic acid, which helps eliminate a wide range of bacteria. This combination is officially indicated for the management of various infections in different parts of the body, including the respiratory tract, skin, and urinary tract.


Q: Is Амоксиван considered a high-risk medicine by regulatory agencies?

Official information describes this medicine as generally well-tolerated in the wider population. However, official labels include prominent warnings regarding the potential for rare, serious adverse events. These include potentially severe hypersensitivity reactions (anaphylaxis) and the risk of drug-induced liver injury (hepatotoxicity).


Q: Can I take Амоксиван if I have a history of liver issues?

Regulatory documents state that use is contraindicated if a patient has a prior history of cholestatic jaundice or hepatic dysfunction that was specifically linked to previous use of Amoxicillin/Clavulanate. For those with pre-existing liver impairment that is not linked to the drug, official documents note that monitoring of liver function is often required under conditions of pre-existing impairment.


Q: Are there any common foods or drinks that should be avoided when taking Амоксиван?

The official product information primarily advises taking the medicine at the start of a meal to help reduce the possibility of stomach upset or gastrointestinal intolerance. Specific prohibitions for common foods or drinks are generally not listed in the core regulatory label.


Q: Is it normal to feel a little dizzy or tired when starting Амоксиван?

Dizziness is listed in the regulatory documents as an uncommon side effect. Feeling tired or fatigued is generally not listed as a frequent side effect in the official safety summary. If unexpected or severe symptoms occur, official product information indicates that medical attention may be necessary.


Q: What happens in the body that causes a common side effect like nausea from Амоксиван?

Regulatory information advises taking the medicine with food specifically to minimize the potential for gastrointestinal intolerance. This indicates that common side effects like nausea and diarrhea are related to the drug's effect on the lining or balance of the gastrointestinal (GI) tract.


Q: Does regulatory information describe Амоксиван as potentially habit-forming?

As a penicillin-class antibacterial, the medicine is not classified as a controlled substance by regulatory bodies. Official information does not establish a risk of dependence or habit formation associated with its use.


Q: Are there different versions or strengths of Амоксиван available?

Yes, regulatory records show that multiple pharmaceutical preparations are available. These include various strengths of tablets for adults and oral suspension forms which are often important for pediatric patients.


Q: Why do some people say Амоксиван made them feel anxious?

Anxiety is listed in the official documents as a rare adverse event related to the central nervous system. While it is not one of the most common side effects, adverse events affecting the nervous system have been reported.


Q: Can Амоксиван be taken by someone who has kidney disease?

Official documents require that patients with impaired renal (kidney) function must have their dosage adjusted based on the degree of impairment. Furthermore, the highest strength tablet is generally not recommended for those with severe renal impairment.


Q: Is the long-term use of Амоксиван supported by research evidence?

The standard treatment course for the medicine is short-term, typically seven to fourteen days. Official research data supporting the safety of use beyond this typical course duration is generally limited.


Q: Does Амоксиван interact with any common supplements like vitamins or herbal products?

The core regulatory label explicitly lists known interactions with other prescription medicines (e.g., Warfarin, Probenecid) and certain lab tests. However, it generally does not list specific interactions with common vitamins or herbal supplements.


Q: Why does the information state that Амоксиван may not work for everyone?

The medicine is a targeted antibacterial agent. It may not work if the infection is caused by organisms that are not susceptible to the drug or if the infection is caused by a viral pathogen, against which antibiotics are ineffective.


Q: Is Амоксиван something that needs to be taken continuously or only as needed?

According to official administration guidelines, it is intended for the short-term treatment of bacterial infections. It must be taken as a complete, prescribed course, not on an 'as-needed' basis.


Q: Is it true that Амоксиван should not be taken with grapefruit juice?

Official drug labels for this medicine do not contain a warning for an interaction with grapefruit juice. Warnings for grapefruit are usually reserved for drugs metabolized by a specific enzyme system (CYP450), which is not the primary route for this medication.


Q: Is a prescription always required for Амоксиван?

Yes, due to its classification as an antibacterial medicine, it is designated as a prescription-only medicine in all major regulatory jurisdictions.


Q: Are there different brand names for the same active ingredient as Амоксиван?

Yes, official regulatory records show that the combination of Amoxicillin and Clavulanic Acid is also sold under several alternative brand names internationally. These include well-known names like Augmentin, Augmentin ES-600, and Amoclan.


Q: What is the official description of what to do in case of an overdose of Амоксиван?

The official label advises that an overdose may lead to symptoms such as severe stomach upset or, rarely, seizures. Regulatory information indicates that in any case of suspected overdose, immediate medical attention is necessary.


Q: How is the 'Interactions' section of Амоксиван organized in official documents?

In regulatory documents, the interactions section is typically organized to distinguish different types of interactions. This often includes sections for Drug-Drug Interactions (e.g., with other medicines), Drug-Food Interactions, and occasionally Drug/Laboratory Test Interactions.


Q: What happens if I forget to take a dose of Амоксиван?

Official guidance typically describes a process where the missed dose may be taken as soon as it is remembered. However, a minimum time gap (often four hours) must then be maintained before the next scheduled dose, or the missed dose should be skipped if the next one is due soon.


Q: Is it true that Амоксиван can interact with birth control pills?

Official labeling states that this medicine, similar to other broad-spectrum antibiotics, may reduce the effectiveness of combined estrogen/progesterone oral contraceptives. It is noted as a documented interaction in the regulatory literature.


Q: Can a patient with diabetes use Амоксиван safely, based on official documents?

Official documents include a precaution regarding laboratory tests: high concentrations of amoxicillin in the urine may result in a false-positive reaction when testing for glucose using certain non-enzymatic methods. Official documents indicate that enzymatic testing methods are generally preferred for monitoring urine glucose in this context.


Q: What is the purpose of the 'inactive ingredients' listed in Амоксиван?

Regulatory documents highlight inactive ingredients only when they present a specific risk, such as the inclusion of phenylalanine/aspartame in chewable tablets. This is noted as a necessary precaution for patients with Phenylketonuria (PKU).


Q: What information is available about the use of Амоксиван during pregnancy?

The FDA classifies its use in pregnancy as Category B. Regulatory documents permit its use only if clearly needed, based on animal studies that did not show evidence of fetal harm.


Q: Are there common misunderstandings about what Амоксиван is supposed to do?

Official consumer-facing educational materials directly address the common misunderstanding that antibiotics, including this one, are ineffective against viral infections. This includes common illnesses like the cold or flu.


Q: Is there a link between Амоксиван and changes in mood or sleep patterns?

Regulatory documents list rare central nervous system adverse events, including insomnia (difficulty sleeping) and agitation. More serious nervous system effects, such as confusion, have also been reported.


Q: What does official documentation say about the maximum recommended length of use for Амоксиван?

The official recommended treatment duration for most uses is a short course, typically seven to fourteen days. This duration is established in the official dosage and administration instructions.

How should Амоксиван be stored and disposed of?

How to Store and Dispose of Amoxicillin/Clavulanic Acid (Амоксиван)

Official regulatory labeling dictates strict requirements for storing and disposing of this medication to maintain stability and prevent misuse.

Storage Conditions

Product Form Temperature Requirement Stability Limit
Tablets / Dry Powder Store at controlled room temperature (20 C to 25 C), away from excess heat and moisture. Use before labeled expiration date.
Reconstituted Suspension Must be refrigerated (2 C to 8 C); Do not freeze. Discard the remaining suspension after 10 days.

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

Disposal Instructions

Expired or unused medication should be disposed of via an authorized community drug take-back program. If a take-back program is unavailable, the product must be mixed with an undesirable substance, sealed in a bag, and discarded in the household trash, following FDA guidelines. The product should not be released into drains or water courses.

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

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