Cledomox

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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 Cledomox

Quick Facts

Property Description
Active Ingredients Amoxicillin and Clavulanic Acid
Pharmacological Class Beta-Lactam Antibiotic
Type Fixed-Dose Combination Drug
Forms Tablets, Oral Suspension, Powder for Injection
Origin Semi-Synthetic

What Type of Medicine is Cledomox? (Definition and Classification)

Cledomox is a prescription-only, fixed-dose combination drug classified as a beta-Lactam antibiotic and a potent antimicrobial agent used for systemic treatment. Its international nonproprietary name (INN) is Co-amoxiclav. This combination is clinically recognized for its broad utility in treating numerous bacterial conditions, including common ear, nose, and throat infections.

This medicine is categorized within the penicillin-class of drugs, which are essential for treating bacterial infections. Unlike single-agent antibiotics, Cledomox is engineered as a combination product to provide an enhanced and reliable approach to therapy. It is a semi-synthetic medicine, derived from existing chemical structures, and is available for both oral and parenteral administration in high-level dosage forms such as film-coated tablets, oral suspension, and powder for injection.


Amoxicillin and Clavulanic Acid: The Core Composition

Cledomox is defined by the synergistic action of its two active ingredients: Amoxicillin and Clavulanic Acid. Amoxicillin serves as the primary component, providing the necessary bactericidal action to kill susceptible bacteria by disrupting their cell wall structure. Amoxicillin is commonly used to resolve various types of bacterial infections, such as those affecting the respiratory tract.

The inclusion of Clavulanic Acid, an essential beta-Lactamase inhibitor, is what makes this combination uniquely effective; its role is not to kill bacteria directly, but to protect the Amoxicillin from destructive bacterial enzymes, known as beta-Lactamases. This dual composition ensures that the Amoxicillin component remains viable and active against a broader range of pathogens, particularly strains that have evolved resistance to the antibiotic when used alone, thereby fulfilling its general purpose as an enhanced antimicrobial solution. This combination restores the antibacterial activity of amoxicillin against susceptible organisms.

Regulatory References

  1. MedlinePlus Drug Information: Amoxicillin and Clavulanic Acid
  2. MedlinePlus Drug Information: Amoxicillin
  3. EMA Augmentin referral overview

What side effects are possible with Cledomox?

Possible Side Effects and Safety Information

The regulatory safety profile for Co-amoxiclav (Cledomox) is categorized based on the official frequency and the affected System-Organ Class (SOC). This information, derived from government sources like the EMA and FDA, provides a structured overview of possible adverse reactions.


Frequency-Classified Adverse Reactions

The most frequently documented side effects are categorized as Common (1/100 to < 1/10), which primarily include diarrhea, nausea, vomiting, and mucocutaneous candidiasis. Less frequent, or Uncommon (1/1000 to < 1/100) reactions involve indigestion, dizziness, and headache.

Rare (1/10,000 to < 1/1000) documented effects include reversible changes to the blood and lymphatic system (e.g., leucopenia and thrombocytopenia). Effects on the Hepato-biliary Disorders and serious intestinal effects like Antibiotic-associated colitis are classified as Very Rare (< 1/10,000).


Serious Adverse Reactions and Safety Constraints

Official labeling documents the risk of serious adverse reactions, notably potentially fatal hypersensitivity reactions (such as anaphylaxis) and severe skin reactions (SCARs). Hepatic events, including cholestatic jaundice, are officially listed, with signs potentially appearing several weeks after treatment has ceased.

Specific population-related safety notes exist, such as the increased reporting of hepatic events in elderly patients and males. Furthermore, the risk of convulsions is noted as increased in individuals with impaired renal function. For safety, the use of Co-amoxiclav is advised to be avoided if infectious mononucleosis is suspected, due to an increased risk of rash.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Cledomox overdose focuses on documented clinical signs, severe complications, and mandated emergency actions.

Property Official Regulatory Statement
Documented Manifestations Symptoms may include gastrointestinal discomfort (diarrhea, vomiting, stomach pain), sleepiness, and specific urinary changes such as cloudy urine and oliguria (greatly decreased urination).
Serious Outcomes A key risk is amoxicillin crystalluria, which involves crystal formation in the urine and may lead to acute renal injury. Convulsions (seizures) are a documented severe neurological risk, especially in patients with impaired renal function or following high-dose exposure.
Emergency Action Required Seek immediate medical attention for any suspected overdose. Contact emergency services immediately if the individual experiences a seizure, collapse, has trouble breathing, or is unresponsive (cannot be awakened).

Official Overdose Statements and Management

Overdose management is constrained to symptomatic and supportive treatment, as no specific antidote is formally documented. To address the risk of crystalluria, maintaining adequate fluid intake and urinary output is a documented measure. In severe cases involving renal compromise, the drug can be removed from circulation using the procedure known as haemodialysis. This official structure guides immediate response based strictly on regulatory-defined risks and interventions.

Therapeutic Uses of Cledomox

Cledomox: Primary Therapeutic Applications

Cledomox, a prescription medicine, is utilized for the management of bacterial infections caused by susceptible organisms. Its therapeutic applications address a range of common and severe infections across multiple body systems.


Main Uses

This medicine is primarily prescribed to treat infections such as acute bacterial sinusitis and acute otitis media (middle ear infection). It is also indicated for lower respiratory tract infections, including pneumonia and bronchitis, as well as skin and skin structure infections. Furthermore, it is used for urinary tract infections and certain bone and joint infections.


Mechanism and Benefit

The benefit of Cledomox lies in its dual action. One component works to inhibit bacterial cell wall synthesis, which causes the bacterial cells to be eliminated. The other component acts to protect the first agent from inactivation by bacterial enzymes, thereby extending its effective antibacterial spectrum. This combination helps ensure more reliable infection control against a broader group of bacteria, including those that may be resistant to the primary agent alone.

Eligibility and Restrictions for Use

Who Can and Cannot Use Cledomox?

Cledomox (Amoxicillin and Clavulanic Acid) is subject to specific regulatory eligibility rules defined by official government labeling.

Absolute Contraindications

The medicine is strictly contraindicated and must not be used by patients with a history of hypersensitivity to any penicillin or other beta-lactam agent (like cephalosporins). It is also prohibited for individuals with a prior history of cholestatic jaundice or liver dysfunction specifically related to amoxicillin/clavulanic acid use.

Age and Comorbidity Restrictions

Use is generally established for adults and pediatric patients ge 3 months. Infants under 12 weeks are restricted to specific, lower-concentration formulations. The medicine must be avoided in cases of infectious mononucleosis.

Organ Function and Special Populations

Patients with severe renal impairment must use caution; high-strength formulations are prohibited, and other strengths require mandated adjustment. Patients with hepatic impairment should use the medicine cautiously under monitoring. For pregnancy, it is classified as Category B and should be avoided unless essential. Caution is advised during lactation.

What should I know about interactions with other medicines?

Cledomox (amoxicillin/clavulanic acid) may interact with certain other medicines and products, necessitating careful monitoring or changes in use.

Documented Drug Interactions

Interacting Product Category Effect and Recommendation
Oral Anticoagulants (e.g., Warfarin) May cause an abnormal prolongation of prothrombin time (increased INR). Monitoring of the INR is essential, and the dose of the anticoagulant may need adjustment.
Probenecid (Antigout Agent) Decreases the renal excretion of amoxicillin, leading to increased and prolonged levels of amoxicillin in the blood. Concomitant use is not recommended.
Allopurinol (Antigout Agent) Concurrent use significantly increases the risk of allergic skin reactions (rashes) associated with amoxicillin.
Methotrexate (Cytotoxic Agent) Like other penicillins, amoxicillin may reduce the excretion of methotrexate, potentially leading to increased blood levels and a risk of enhanced toxicity. Monitoring is required.
Combined Oral Contraceptives Amoxicillin may affect the gut flora, potentially resulting in reduced estrogen reabsorption and thus lower efficacy of combined hormonal contraceptives. Additional non-hormonal contraception may be necessary.

Other Relevant Interaction Information

Use of Cledomox is generally avoided in patients with suspected infectious mononucleosis due to an increased risk of developing a characteristic skin rash. The medication may cause false-positive results when testing for glucose in the urine using non-enzymatic methods (Benedict's, Clinitest) and may also cause a false-positive Coombs test.

Mechanism of Action

How Cledomox Works: Mechanism of Action

Cledomox exerts its action through a two-part synergistic mechanism targeting bacterial cell survival pathways. The amoxicillin component functions as an irreversible inhibitor that targets bacterial Penicillin-Binding Proteins (PBPs), which are transpeptidases essential for the cross-linking of peptidoglycan units. This inhibition blocks the final step of cell wall biosynthesis.

The clavulanic acid component acts as a suicide inhibitor, irreversibly binding to and disabling bacterial beta-Lactamase enzymes. These enzymes, if left active, would hydrolyze and inactivate amoxicillin. By eliminating this defense, the synergistic interaction permits amoxicillin to successfully engage its PBP targets in organisms that express the beta-lactamase enzyme.

The resulting mechanistic cascade—enzyme blockade followed by PBP inhibition—produces a bactericidal consequence at the cellular level. This involves the breakdown of the cell wall's structural integrity, leading directly to osmotic instability, cell membrane rupture, and subsequent bacterial lysis and death.

Dosage and Administration Information

Cledomox, the combination of amoxicillin and clavulanate potassium, is administered following specific protocols to ensure appropriate use.

Administration and Timing

Administration Detail Requirement
Route(s) Oral use (tablets, suspensions); therapy may be started via IV formulation and switched to oral.
Timing Relative to Meals Must be administered at the start of a meal to minimize potential gastrointestinal intolerance and optimize drug absorption.
Frequency Generally twice a day (BID) or three times a day (TID), administered at evenly spaced intervals, depending on the dose regimen.
Preparation Oral Suspension: Shake the dry powder, reconstitute with the specified volume of water, and shake the bottle well before each dose.

Dosing and Duration

For adults and children weighing 40 kg or more, common tablet regimens include a 500 mg/125 mg dose taken three times daily, or an 875 mg/125 mg dose taken twice daily. Children weighing less than 40 kg are typically managed with oral suspension or sachets, with doses calculated based on body weight (mg/kg/day) and divided into two or three daily administrations. Tablets should not be used in children weighing less than 25 kg as they cannot be split accurately.

Patients with severe renal impairment require dose adjustments; for example, an adult with creatinine clearance (CrCl) < 10 mL/min receives the standard dose only once daily. Treatment duration should be determined by clinical response but must not be extended beyond 14 days without re-evaluation.

Recent Clinical Evidence

The clinical evaluation of Cledomox (Co-amoxiclav) relies on data from short-term Randomized Controlled Trials (RCTs) and systematic reviews published in authoritative and peer-reviewed scientific literature. This overview describes the structure of this research without offering clinical advice.


Evidence for Infections of the Respiratory Tract

Research has explored the use of Cledomox for conditions like acute otitis media (AOM) and acute bacterial sinusitis in both children and adult populations, with studies monitoring outcomes related to clinical resolution and bacteriologic eradication. Findings describe patterns observed in the studies over the short course of therapy. For Lower Respiratory Tract Infections (LRTIs), including Community-Acquired Pneumonia (CAP), research highlighted that studies examined the activity of the clavulanic acid component against bacteria resistant to amoxicillin alone. Limited comparative evidence exists for Cledomox versus Amoxicillin alone in some patient groups with CAP.


Evidence for Systemic and Complex Infections

The evidence base for Skin and Soft Tissue Infections (SSTIs) and Urinary Tract Infections (UTIs) is supported by clinical efficacy studies. For UTIs, data show patterns related to regional differences in bacterial resistance, meaning that findings may vary geographically. For complex, long-duration infections, such as Bone and Joint Infections, research primarily relies on Pharmacokinetic and Pharmacodynamic (PK/PD) studies that examine drug concentration in bone tissue. Research provides context but not individual predictions regarding short-term changes.


Research Gaps and Uncertainties

Research has included children in a significant number of trials. However, data for certain groups remain insufficient, and follow-up durations were limited in many core efficacy studies. Consequently, there is limited information for long-term outcomes, meaning the durability of the response is not a consistent primary outcome monitored across the broader evidence landscape. The potential long-term effects on the development of microbial resistance within communities is not fully established by the core clinical efficacy trials.

Frequently Asked Questions (FAQ)

Common questions about Cledomox (FAQ)

Q: Is Cledomox an antibiotic?

A: Yes, Cledomox is a combination medicine that contains two active ingredients: Amoxicillin, which is a penicillin-type antibiotic, and Clavulanate Potassium, which helps the amoxicillin work more effectively against certain types of bacteria. It is used to treat bacterial infections.

Q: How should I take Cledomox?

A: Cledomox is typically taken by mouth, as directed by a healthcare provider. The drug label often suggests taking it with a meal or snack to potentially help reduce stomach upset. A healthcare professional determines the correct dosage and duration of treatment based on the infection.

Q: What should I do if I miss a dose?

A: If a dose is missed, it should generally be taken as soon as the patient remembers, unless it is almost time for the next scheduled dose. If it is close to the next dose, the missed dose should be skipped, and the regular dosing schedule should be resumed. Do not take two doses at the same time. The best approach is to follow the specific instructions provided by the prescribing doctor or pharmacist.

Q: Can Cledomox cause diarrhea?

A: Diarrhea is a commonly reported side effect with many antibiotics, including Cledomox. This occurs because the antibiotic can disrupt the natural balance of bacteria in the gut. If diarrhea is severe or persistent, a healthcare provider should be contacted.

How should Cledomox be stored and disposed of?

Storage and Disposal of Cledomox (Amoxicillin and Clavulanate Potassium)


Storage Requirements

Product Form Temperature Requirement Protection Conditions
Tablets / Dry Powder Store at controlled room temperature (e.g., below 25°C). Keep in the original, tightly closed container; protect from moisture and heat.
Reconstituted Suspension Store in a refrigerator (e.g., 2°C to 8°C); do not freeze. Discard any unused portion after 10 days of reconstitution.

All forms of this medicine must be kept out of the reach and sight of children, as required by regulatory labeling.

Disposal Instructions

Disposal should be via an authorized drug take-back program. If one is unavailable, the unused medicine should be mixed with an undesirable substance (e.g., dirt or used coffee grounds) and sealed in a container before being placed in household trash. Do not flush Cledomox down the toilet or pour it down a drain.

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

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