Clavimox

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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 Clavimox

Quick Facts

Property Description
Active Ingredients Amoxicillin and Clavulanic Acid
Pharmacological Class Beta-Lactam/Beta-Lactamase Inhibitor Combination
Type Fixed-dose, Systemic Antibiotic
Available Forms Oral tablet, Oral suspension, Powder for injection
Origin Semisynthetic

What is Clavimox, and What Type of Medicine is It?

Clavimox is a fixed-dose combination prescription medicine, known generically as co-amoxiclav (Co-amoxicillin and Clavulanic Acid), that functions as a powerful systemic antibiotic used to resolve acute bacterial infections. Its official classification places it within the Beta-Lactam/Beta-Lactamase Inhibitor Combinations group of antibacterial agents, distinguishing it from single-agent penicillins. This classification is clinically recognized for its utility against susceptible bacteria that have developed resistance mechanisms.

The preparation is administered systemically via the oral route (as tablets or suspension) or intravenously (as an injection). The World Health Organization (WHO) includes co-amoxiclav on its Model List of Essential Medicines, confirming its importance in global health systems. This designation highlights the medicine's role as a fundamental treatment against common bacterial infections, such as those impacting the respiratory tract.


Composition: Why Does Clavimox Have Two Ingredients?

Clavimox is formulated with two distinct active ingredients: Amoxicillin and Clavulanic Acid, combined to provide a synergistic effect. Amoxicillin is a beta-lactam antibiotic that directly interferes with bacterial cell wall synthesis. Clavulanic Acid (often as potassium clavulanate), however, acts as an irreversible inhibitor of beta-lactamase enzymes, which are bacterial defenses.

The combination is necessary because many bacteria produce these enzymes that neutralize Amoxicillin. The Clavulanic Acid component acts as a protector, allowing the Amoxicillin to execute its intended antibacterial action. This strategic pairing restores the effectiveness of the antibiotic and provides a robust, broader spectrum of coverage against susceptible organisms. Popular alternative combinations with this same co-amoxiclav formulation include Augmentin and Amoclan.

Regulatory References

  1. Amoxicillin/Clavulanate - StatPearls - NCBI Bookshelf
  2. WHO Essential Medicines List (EML)

What side effects are possible with Clavimox?

Adverse Reactions and Safety Profile

Clavimox (amoxicillin/clavulanate) is associated with a range of adverse reactions, which are largely gastrointestinal in nature. The safety profile is defined by both common, generally transient effects and rare, but serious, systemic reactions.


Key Adverse Reaction Categories

Classification System-Organ Class Involved Examples of Reported Reactions
Very Common (Adults) Gastrointestinal Diarrhea/loose stools
Common Gastrointestinal, Infections/Infestations Nausea, vomiting, mucocutaneous candidiasis
Uncommon Nervous System, Skin Headache, dizziness, skin rash, pruritus (itching)
Rare Blood and Lymphatic System, Skin Reversible leucopenia/thrombocytopenia, Erythema Multiforme
Serious/Not Known Immune System, Hepatobiliary, Gastrointestinal Anaphylaxis, Hepatic dysfunction (hepatitis, cholestatic jaundice), Severe Cutaneous Adverse Reactions (SCAR), Clostridioides difficile-associated diarrhea (CDAD)

Critical Safety Information and Restrictions

Serious Adverse Reactions: Official documents highlight the risk of serious and occasionally fatal hypersensitivity (anaphylactic) reactions, a potential for all penicillin-class drugs. Other serious risks include Severe Cutaneous Adverse Reactions (SCAR), such as Stevens-Johnson Syndrome (SJS), and hepatic dysfunction, which can be severe.

Contraindications and Warnings: This drug is formally contraindicated in patients with a history of serious allergic reaction (e.g., anaphylaxis) to penicillins or other beta-lactams, and in patients with a prior history of cholestatic jaundice or hepatic dysfunction associated with the drug. Use is generally not recommended in patients with infectious mononucleosis due to an increased risk of rash. Dosage adjustments or contraindications are specified for patients with severe renal impairment (e.g., Creatinine Clearance CrCl < 30 mL/min). Gastrointestinal tolerance may be improved by taking the medication with meals.

Overdose and Emergency Response

Overdose and When to Seek Help

Official Regulatory Information

The most likely immediate effect of an overdose is vomiting. However, a large overdose of Clavimox (amoxicillin/clavulanate) can be serious, potentially causing damage to the nervous system and the liver.

Overdose presentations and symptoms, as described in regulatory sources, may include:

  • Seizures: This is more likely to occur with high doses of a penicillin (amoxicillin) and is a particular risk for individuals with severe renal function impairment.
  • Renal/Urinary Effects: Symptoms can include bloody or cloudy urine and decreased urination.

Required Emergency Actions

Immediate medical attention is required for any of the following severe symptoms, as indicated in official documentation:

Symptom Cluster Required Action
Collapse, trouble breathing, or inability to be awakened Call emergency services (911) immediately.
Suspected or known overdose Call the poison control helpline (1-800-222-1222).

For anaphylaxis—a severe allergic reaction—emergency action requires the administration of parenteral epinephrine and oxygen/breathing support. Individuals with pre-existing kidney issues must be monitored closely in an overdose situation due to the increased risk of seizures. The overdose profile is centered on serious organ system complications and requires swift emergency response for severe acute manifestations.

Therapeutic Uses of Clavimox

What Clavimox Treats: Main Uses and Benefits

Clavimox (co-amoxiclav) is commonly used for managing bacterial infections across several key body systems, especially when the presence of resistant bacteria is suspected. This combination therapy may be part of symptomatic management.


Management of Acute Symptomatic Conditions

This medicine is commonly used to help with conditions presenting with acute episodes in the respiratory tract, including pneumonia, sinusitis, and acute otitis media (middle ear infection). It is also considered relevant in contexts marked by increased discomfort from systemic infections like cellulitis and urinary tract infections (UTIs). Clavimox helps address symptom clusters that may become intense or disruptive, such as severe localized pain, fever, and inflammatory states like redness and swelling.

Its use in infections linked to resistant bacterial strains provides support that helps ease the overall symptom burden, assisting with managing symptoms that create noticeable physiological strain during difficult episodes, thereby contributing to improved comfort.


QuickFact

Property Description
Symptom Axes Symptoms related to inflammatory or irritative states and systemic imbalance.
Condition Frames Conditions associated with acute or disruptive episodes, often involving bacterial resistance.
Patient Benefit Supports the patient during difficult episodes by easing distress and contributing to easing the overall symptom load.

Eligibility and Restrictions for Use

Who Can and Cannot Use Clavimox? (Amoxicillin and Clavulanic Acid)

Official regulatory information defines specific populations who are restricted from using Clavimox, primarily based on prior reaction history and current health status.


Absolute Contraindications

Clavimox is strictly contraindicated and must not be used by individuals with a history of a serious hypersensitivity reaction to any beta-lactam antibiotic, including penicillins. It is also prohibited for patients with a documented history of cholestatic jaundice or liver dysfunction previously associated with the use of Amoxicillin and Clavulanic Acid.

Restricted and Conditional Use

Population Group Restriction Summary
Severe Renal Impairment The high-strength 875 mg oral tablet is contraindicated. Other forms require mandatory dose adjustment.
Hepatic Impairment Must be used with caution, requiring regular monitoring of liver function.
Infectious Mononucleosis Use is not recommended due to a high likelihood of developing a non-allergic skin rash.
Neonates/Infants (< 12 weeks) Use is restricted to specific, low-concentration oral suspension formulations.

For pregnancy and lactation, regulatory classification (Category B) permits use when the need has been clearly established, as small amounts are excreted into human milk. General eligibility for use is established in adult and pediatric patients aged 12 weeks and older.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information documents specific interaction patterns for Clavimox (Amoxicillin and Clavulanic Acid) with other medicinal products.

Documented Pharmacokinetic and Pharmacodynamic Interactions

Co-administration with Probenecid is not recommended. This interaction decreases the renal tubular secretion of amoxicillin, resulting in increased and prolonged blood levels of amoxicillin, a pharmacokinetic (PK) outcome. Concurrent use with Oral Anticoagulants (such as Warfarin) may increase the prolongation of prothrombin time and the International Normalised Ratio (INR), a pharmacodynamic effect that requires appropriate monitoring. The combination with Methotrexate may reduce its excretion, causing a potential increase in the drug's systemic toxicity.

Other Officially Listed Restrictions

Classification Interacting Substance/Condition Regulatory Statement
Conditional Contraindication Anti-peristaltic medicinal products Contra-indicated if antibiotic-associated colitis occurs.
PK Efficacy Alteration Oral Contraceptives (Combined) May reduce the efficacy due to potential effects on gut flora.
Administration Timing Food (Start of a meal) Should be taken at the start of a meal to enhance clavulanate absorption.
Side Effect Risk Allopurinol Increases the likelihood of allergic skin reactions (rash).

Additionally, a reduction in the pre-dose concentration of Mycophenolic Acid (MPA) has been reported following co-administration. Population-specific notes indicate that hepatic events have been reported predominantly in males and elderly patients.

Mechanism of Action

How Clavimox Works at the Molecular and Cellular Level

Clavimox consists of two active components that exhibit a synergistic effect on microbial structures. Its action centers on two distinct yet linked mechanistic domains: Targeting Microbial Cell Wall Synthesis and Overcoming Bacterial Resistance.

Targeting Microbial Cell Wall Synthesis

This domain covers the primary action of Amoxicillin. The mechanism is bactericidal and focuses on the irreversible inhibition of bacterial Penicillin-Binding Proteins (PBPs), the enzymes responsible for linking the structural units of the peptidoglycan cell wall. Blocking this final cross-linking step leads to the inability of the bacteria to synthesize a rigid wall structure. The resulting cellular effect is microbial instability that leads to osmotic lysis (rupture).

Overcoming Bacterial Resistance

This domain details the crucial role of Clavulanic Acid. It acts as a suicide inhibitor against bacterial beta-Lactamase enzymes, which hydrolyze and deactivate amoxicillin. By permanently disabling these enzymes, the clavulanic acid neutralizes beta-Lactamase activity, which is the necessary prerequisite for Amoxicillin to bind to its target in resistant microbes. The mechanism provides a bactericidal effect against both susceptible and beta-Lactamase producing microbes via the disruption of cell wall integrity.

Dosage and Administration Information

How to Use Clavimox

Clavimox (co-amoxiclav) is administered systemically via two official routes: oral (using tablets, chewable tablets, or reconstituted suspension) and intravenous (IV) for more severe initial therapy. Dosing is established according to clinical parameters, focusing on achieving the correct concentration and minimizing the risk of adverse gastrointestinal events, which is a key administration principle.


Official Administration Protocol

Instruction Domain Official Requirement
Dosing Frequency Typically twice daily or three times daily (q12h or q8h), depending on the specific strength and indication.
Duration Limit Treatment should not exceed 14 days without clinical reassessment.
Intake Condition All oral forms must be taken at the start of a meal to enhance the absorption of clavulanic acid and improve tolerance.
Tablet Integrity Extended-release tablets and non-chewable tablets must be swallowed whole and must not be crushed, broken, or chewed.

Dosing Adjustments

Adults are generally prescribed doses ranging from 250 mg/125 mg to 875 mg/125 mg (amoxicillin/clavulanic acid) for oral use. Dosing is modified for certain populations based on clinical considerations. For patients with impaired kidney function (Creatinine Clearance leq 30 mL/min), dose adjustment is required. The 875 mg/125 mg and extended-release tablets are generally not recommended for this group. Similarly, patients undergoing hemodialysis require a supplementary dose during the procedure. Children's dosing is weight-based (mg/kg/day).

Recent Clinical Evidence

Research Evidence / Overview of Studies for Clavimox

Evidence for Use in Acute Respiratory and Ear Infections

Research has explored the use of Clavimox in Acute Otitis Media (AOM) and Acute Bacterial Rhinosinusitis (ABRS). Studies primarily consist of Randomized Controlled Trials (RCTs) that monitored clinical outcomes like time to symptom resolution and clinical status at the end of the study period. Some trials describe patterns observed where clinical measurements for Clavimox were comparable to those observed for certain other antibiotics. The addition of clavulanic acid was studied for scenarios where the bacteria causing the infection may produce certain enzymes.

Evidence for Use in Lower Respiratory and Skin Infections

Clavimox was evaluated in studies focusing on Community-Acquired Pneumonia (CAP), Lower Respiratory Tract Infections (LRTI), and Skin and Soft Tissue Infections (SSTIs). These research efforts examined endpoints like overall clinical success and failure rates. Systematic reviews report how symptoms evolved in the observed populations when comparing Clavimox to other standard therapies. Findings indicate that the overall clinical patterns observed was associated with outcomes comparable to those seen with other standard treatments for CAP.

Research in Special Populations and Long-Term Durations

The research landscape has explored the use of Clavimox across different age groups, including children (for AOM) and older adults (for CAP). Scientific reviews of CAP in older adults concluded that the available trial data remain insufficient to make evidence-based recommendations regarding antibiotic choice for this specific group. Most clinical trials monitored outcomes for a defined time interval, with intermediate-term check-ups (typically 14 to 28 days post-treatment). However, there is limited information for long-term outcomes regarding sustained effects, meaning long-term effects are not fully established.

Evidence Gaps and Areas of Scientific Uncertainty

Scientific reviews consistently point to areas where the evidence landscape is still emerging. A primary uncertainty is that comparative evidence is lacking in direct RCTs that compare Clavimox to amoxicillin alone across all key indications. Furthermore, evidence quality varies across studies, and the pooled data sometimes shows findings were mixed due to differences in trial design and the types of bacteria being monitored. Research provides context but not individual predictions.

Key Studies & References

  1. FDA Prescribing Information: AUGMENTIN (amoxicillin and clavulanate potassium) - DailyMed
  2. WHO Model List of Essential Medicines - Amoxicillin + clavulanic acid

Frequently Asked Questions (FAQ)

Common questions about Clavimox (FAQ)


Q: Is Clavimox safe to use during pregnancy, based on official sources?

Official information places this medicine in Pregnancy Category B. Regulatory documents permit its use when the need for the medicine has been clearly established by a healthcare provider. A professional assessment by a healthcare provider is generally required to weigh the benefits against potential risks.


Q: What is the safety classification for Clavimox use during breastfeeding?

Regulatory documents state that use is permitted when clearly necessary, as small amounts of the active ingredients are known to be excreted into human milk. Regulatory notes indicate that professional guidance is needed for use during nursing.


Q: How quickly does Clavimox usually start working?

Regulatory documents describing the drug's action note that both active components are rapidly absorbed after oral administration. This absorption profile is a necessary step for the medicine to begin its intended work against susceptible bacteria.


Q: What does the patient leaflet say about discontinuing use (non-directive)?

Official guidelines emphasize the importance of completing the full prescribed course of treatment. Adherence to the full prescribed duration is described as important in official guidance to minimize the potential for developing drug-resistant bacteria.


Q: Can Clavimox be taken on an empty stomach?

Regulatory documents indicate that taking it on an empty stomach is generally not the required method of administration. Oral forms are formally required to be taken at the start of a meal to enhance the absorption of the clavulanic acid component and improve gastrointestinal tolerance.


Q: Can Clavimox cause yeast infections?

Official documents describe mucocutaneous candidiasis (a type of yeast infection) as a common adverse reaction associated with this medicine. This is a common pattern observed with the use of broad-spectrum antibiotics.


Q: Is Clavimox considered a broad-spectrum medicine?

Official regulatory documents describe Clavimox as possessing a broad spectrum of bactericidal activity. This means it is designated to be effective against a wide range of susceptible Gram-positive and Gram-negative micro-organisms.


Q: Is Clavimox known by any other brand names?

Yes, the fixed-dose combination of amoxicillin and clavulanate potassium is known by other brand names internationally. The most widely known brand name containing the same active ingredients is AUGMENTIN, according to official medical sources.


Q: What are the inactive ingredients often found in Clavimox tablets?

Official drug descriptions list several inactive components that help form the tablet. These may include ingredients such as microcrystalline cellulose, hypromellose, magnesium stearate, and polyethylene glycol.


Q: Does taking Clavimox require any special dietary considerations?

Official guidelines primarily require that oral forms be taken at the start of a meal to help absorption and improve tolerance. No specific regulatory warning is issued against consuming dairy products when taking this medicine.


Q: Why is it sometimes important to take Clavimox exactly as prescribed?

Regulatory documents indicate that proper adherence to the prescribed dosing regimen is vital. Adherence to the prescribed regimen is described as important for supporting the intended effectiveness of the treatment and reducing the overall development of drug-resistant bacteria.


Q: Is it normal to feel tired while taking Clavimox?

Tiredness or fatigue is not typically listed as a common side effect in the official product information. However, sleepiness (somnolence) has been described as a possible symptom associated with overdose scenarios.


Q: Is there evidence that Clavimox treats dental infections?

While not explicitly listed in all product labels, official clinical guidelines and studies often reference the amoxicillin/clavulanate combination for the treatment of certain infections caused by oral bacteria.


Q: Are there any long-term studies on the use of Clavimox?

Official regulatory prescribing information describes the treatment duration as generally limited to not more than 14 days without clinical reassessment. Because of this, there is limited available research or regulatory information on the sustained effects of using the medicine for longer periods.


Q: Can older adults use Clavimox?

Use in older adults is generally permitted, though caution is advised. Official sources note that dosing adjustments may be required, and hepatic events (liver-related issues) have been reported predominantly in elderly patients.


Q: Is Clavimox used to prevent infections in some cases?

The drug combination is sometimes referenced in specific clinical studies and guidelines for prophylactic use. This refers to the preventive use of the medicine in specific situations where the risk of certain bacterial infections is high.


Q: Is there a liquid form of Clavimox available?

Yes, official regulatory documents list an oral suspension (liquid) form in addition to the tablets. The liquid form is often used to facilitate administration, particularly in children.


Q: Do food or dairy products affect how Clavimox is absorbed?

Official information requires taking the medicine at the start of a meal to enhance absorption of the clavulanic acid component. Unlike some other antibiotics, no specific regulatory warning is issued against consuming dairy products.


Q: Can Clavimox affect the results of certain lab tests?

Yes, official documents contain warnings that this medicine may affect the results of certain medical tests. It is important that the healthcare professional treating you is aware you are taking this drug before any laboratory work is conducted.


Q: What is the maximum amount of time Clavimox can be used for?

Official regulatory prescribing information describes the treatment duration as generally limited to not more than 14 days without clinical reassessment.


Q: Does Clavimox have any warnings related to driving or operating machinery?

Official product information suggests that the drug is not expected to significantly affect the ability to drive or operate machinery. However, official information notes that if side effects such as dizziness occur, patients may experience impairment.


Q: Are there different strengths of Clavimox tablets?

Yes, official regulatory documents list different strengths of tablets based on the amount of amoxicillin and clavulanate components. For example, common strengths are 250 mg/125 mg and 875 mg/125 mg.


Q: Does Clavimox work for ear infections?

Yes, the drug combination is officially indicated in regulatory documents for the treatment of Acute Bacterial Otitis Media. This is a common type of ear infection.


Q: Are there special considerations for people with mononucleosis using Clavimox?

Yes, official product warnings state that the use of this medicine is not recommended in patients with infectious mononucleosis. This is due to a known increased risk of developing a non-allergic skin rash.


Q: What research evidence exists for Clavimox treating skin infections?

Yes, regulatory documents officially list the drug combination for the treatment of Skin and Skin Structure Infections (SSTIs) or Skin and Soft Tissue Infections. This use is supported by clinical research.


Q: Is Clavimox associated with any risk of tendon problems?

The official product information for Clavimox does not list the risk of tendon problems. This adverse event is specifically tied to the fluoroquinolone class of antibiotics, a different type of medicine.


Q: What is the general description of how Clavimox is broken down by the body?

Regulatory documents state that the major way the body eliminates amoxicillin is through the kidneys. Clavulanic acid, the second ingredient, is eliminated through both the kidneys and non-renal mechanisms, meaning it is also metabolized and passed through urine, feces, and breath.

How should Clavimox be stored and disposed of?

How to Store and Dispose of Clavimox

The official storage conditions for Clavimox (amoxicillin and clavulanate potassium) differ based on the product form to maintain stability.


Storage Requirements

Tablets and Dry Powder must be kept in the original, tightly closed container at Controlled Room Temperature (not above 25 C or 77 F), protected from moisture and light.

Reconstituted Oral Suspension must be stored under refrigeration (typically 2 C to 8 C). The liquid must be discarded after 10 days from the date of mixing and must not be frozen.


Disposal and Safety

Keep the medicine out of the sight and reach of children and pets. Do not flush unused or expired Clavimox down the toilet. Follow official guidelines, such as using a drug take-back program or disposing of it in household trash by mixing it with an unappealing substance in a sealed bag.

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

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