Clamovid

Quick links to important sections

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Clamovid

Quick Facts Description
Active Ingredient Amoxicillin and Clavulanic Acid
Pharmacological Class beta-Lactam/beta-Lactamase Inhibitor combination
Origin Semi-synthetic
Key Function Broad-spectrum antimicrobial therapy
Common Forms Tablets, Oral Suspension, Powder for Injection

What Type of Medicine is Clamovid (Co-amoxiclav)?

Clamovid is an antibacterial drug classified as a beta-Lactam/beta-Lactamase Inhibitor combination medicine. This product represents a fixed-dose combination, incorporating two distinct active pharmaceutical ingredients to achieve its therapeutic goal. The drug's generic nomenclature is Co-amoxiclav (Amoxicillin and Clavulanate Potassium), identifying it as a specialized type of systemic antimicrobial agent.

The Amoxicillin component is a semi-synthetic penicillin derivative that works through direct bactericidal activity. Combining this antibiotic base with an enzyme inhibitor maintains efficacy against resistant strains. The medicine is consistently available strictly as a prescription-only drug, which reflects its specialized use against susceptible pathogens, commonly including complex respiratory or skin infections.

Composition: How Amoxicillin and Clavulanic Acid Work Together

The medication's overall purpose is defined by its two active ingredients: Amoxicillin and Clavulanic acid, which operate synergistically. Amoxicillin kills susceptible bacteria by inhibiting the synthesis of their cell wall components. The Clavulanic acid, which belongs to the beta-lactamase inhibitor class, is the complementary component; it blocks bacterial defensive enzymes that would otherwise neutralize the Amoxicillin.

This purposeful dual composition ensures that the product remains effective against resistant pathogens that produce these degrading enzymes. This extension of therapeutic utility beyond that of Amoxicillin monotherapy is a result of the combination strategy, which is designed to provide antimicrobial coverage by overcoming resistance mechanisms.

Physical Forms for Systemic Administration

The medicine is manufactured in multiple dosage forms tailored for systemic administration, meaning its various preparations are designed to deliver the active components throughout the body via the bloodstream. Common forms include various oral preparations, such as film-coated tablets and prepared oral suspensions, suitable for administering to both adults and pediatric patients. The oral suspension is often specifically formulated for ease of dosing in children. Additionally, parenteral preparations, specifically powder for solution for injection, are available for immediate intravenous delivery when required in clinical settings.

Regulatory References

  1. WHO Essential Medicines List entry for Amoxicillin + Clavulanic Acid

What side effects are possible with Clamovid?

Possible Side Effects and Safety Information

Clamovid's official safety profile is organized by classifying known adverse reactions and identifying specific safety-related restrictions. The most frequently reported adverse reactions are generally related to the Gastrointestinal System, while other categories cover rare but serious risks.


Key Adverse Reactions (Frequency-Classified)

Classification System-Organ Class Involved Examples of Reactions
Very Common Gastrointestinal disorders Diarrhea
Common Gastrointestinal, Infections Nausea, Vomiting, Mucocutaneous Candidiasis (thrush)
Uncommon Nervous system, Skin Dizziness, Headache, Indigestion, Skin Rash, Pruritus (itching), Urticaria (hives)

Serious and Clinically Significant Reactions

The most serious documented reactions relate to Hypersensitivity and Hepatic Dysfunction. These include potentially fatal reactions such as Anaphylaxis (severe allergic reaction) and Severe Cutaneous Adverse Reactions (SCAR), including Stevens-Johnson Syndrome (SJS), Toxic Epidermal Necrolysis (TEN), and Acute Generalized Exanthematous Pustulosis (AGEP).

Other serious risks include Cholestatic Jaundice and Hepatitis, which may not become apparent until several weeks after treatment has ceased. Serious bowel inflammation, such as Clostridioides difficile-Associated Diarrhea (CDAD), which can range from mild to fatal colitis, has also been documented.


Safety Restrictions and Population-Specific Considerations

Official regulatory documents detail specific use limitations:

  • Hypersensitivity: The drug is contraindicated in patients with a history of serious allergic reactions (e.g., anaphylaxis, SJS) to Clamovid or other beta-lactam antibiotics (like penicillins or cephalosporins), or a history of cholestatic jaundice/hepatic dysfunction associated with prior use.
  • Renal Function: Caution is required in patients with severe renal impairment, where dose adjustments are necessary to prevent accumulation of the components.
  • Infectious Mononucleosis: The use is generally avoided in patients with suspected infectious mononucleosis due to an increased risk of developing an erythematous skin rash.
  • Hepatic Function: Caution and regular monitoring of liver function tests are specified for patients with hepatic impairment. Hepatic adverse events are reported more frequently in males, the elderly, and with prolonged treatment duration.

Overdose and Emergency Response

Overdose and when to seek help

Official regulatory documents define the overdose profile of Clamovid (Amoxicillin and Clavulanate Potassium) by noting both common and severe manifestations. Overdose may present initially with gastrointestinal symptoms such as nausea, vomiting, stomach pain, and diarrhea. Other documented signs include drowsiness, hyperactivity, and skin rash.

The most severe regulatory-documented outcomes are related to the central nervous system and the kidneys. The risk of convulsions (seizures) is associated with receiving high doses and is more likely in patients with pre-existing impaired renal function. High doses may also rarely result in Amoxicillin crystalluria, a specific renal complication that can lead to acute renal injury.

When to Seek Urgent Medical Help

Immediate medical attention or contact with a Poison Help line is required if an overdose is suspected. Urgent medical help is mandatory when severe manifestations occur, including seizures, trouble breathing, collapse, or the inability to be awakened, as explicitly stated in government guidance.

Management and Regulatory Constraints

Treatment is strictly defined as symptomatic and supportive, as no specific antidote is known for this combination product. Regulatory procedures mandate maintaining adequate fluid intake and urinary output to actively reduce the risk of crystalluria. The active components can be removed from the bloodstream through the procedure of haemodialysis.

Therapeutic Uses of Clamovid

What Clamovid Treats: Main Uses and Benefits

Clamovid (Co-amoxiclav) is commonly used across conditions presenting with acute episodes caused by susceptible bacteria, generally applied in clinical settings that involve acute or unstable symptom patterns. Within these clinical contexts, the medicine is utilized where short-term symptom management is appropriate.


Therapeutic Scope and Benefits

The medication is commonly used across conditions characterized by periods of heightened symptoms, including acute bacterial sinusitis, otitis media, lower respiratory tract infections, urinary tract infections, skin and skin structure infections (such as cellulitis), and specific dental infections. It is applied across domains where additional symptomatic support is needed against pronounced symptoms like high fever, purulent cough, severe localized pain, redness, and swelling.

This use is relevant when supportive symptom management is appropriate, providing support that helps ease the overall symptom burden and supports patients during episodes of heightened discomfort.

Quick Fact Relief for Symptomatic Domains
Primary Focus Conditions presenting with systemic or localized discomfort
Key Symptom Symptoms related to inflammatory or irritative states
Benefit Supports the patient during episodes of heightened discomfort

Eligibility and Restrictions for Use

Who Can and Cannot Use Clamovid?

This medicine is subject to strict eligibility rules defined by official regulatory bodies, focusing on population-specific safety.

Absolute Non-Eligibility

Clamovid is contraindicated and must not be used by patients with a history of serious hypersensitivity reaction to Amoxicillin, Clavulanic Acid, or any other beta-lactam antibacterial drugs (e.g., penicillins or cephalosporins). It is also prohibited for individuals with a prior history of cholestatic jaundice or hepatic dysfunction specifically associated with its use. Use is also prohibited for patients with Infectious Mononucleosis.

Conditional Use and Restrictions

  • Organ Function: Patients with severe renal impairment (creatinine clearance < 30 mL/min) are ineligible for high-dose and extended-release formulations and require special oversight. Patients with hepatic impairment are eligible only with caution and mandatory monitoring of liver function.
  • Age and Formulation: Adults and pediatric patients 40 kg are generally eligible for standard tablets. However, children weighing less than 25 kg must not use certain tablet strengths, and young infants are restricted to specific liquid formulations.
  • Reproductive Status: Use during pregnancy is restricted to when the need is clearly established. Use during lactation requires a formal benefit/risk assessment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Clamovid (Co-amoxiclav) is defined by documented effects on drug exposure and specific co-administration risks, as formalized in government prescribing information. The active components have documented pharmacokinetic and pharmacodynamic interactions with several medicinal products.

Exposure-Altering and Clearance Interactions

Co-administration with Probenecid is known to increase and prolong the plasma concentration of the Amoxicillin component. This effect is documented as a pharmacokinetic interaction caused by delayed renal clearance. Similarly, use with Methotrexate may increase the systemic exposure of Methotrexate, which can raise the potential for toxicity. For patients receiving Mycophenolate mofetil, a reduction in the pre-dose concentration of the active metabolite has been reported.

Pharmacodynamic and Concomitant Risk

The medicine may affect the action of other drugs, such as oral anticoagulants (e.g., Warfarin), where there have been reports of increased prolongation of prothrombin time (INR). Additionally, co-administration with Allopurinol is associated with an increased likelihood of allergic skin reactions. The efficacy of combined oral contraceptives may also be reduced by the co-administration of this medicine.

Administration and Test Constraints

For optimal absorption of the Clavulanate component, the medicine should be administered at the start of a meal. Official labeling notes that the medicine may cause false-positive results when testing for glucose in urine using non-enzymatic methods. Use is also restricted in patients with infectious mononucleosis due to a significantly increased risk of developing a morbilliform skin rash.

Mechanism of Action

How Clamovid Works: A Dual-Action Mechanism

This section explains the sophisticated molecular mechanism of Co-amoxiclav (Amoxicillin and Clavulanic Acid), detailing the molecular processes that lead to the death of targeted microbial cells.


Neutralizing Bacterial Defense Enzymes

The mechanism begins with Clavulanic Acid, which acts as a mechanism-based inhibitor to neutralize the beta-lactamase enzymes produced by resistant bacteria. By binding irreversibly to these enzymes, Clavulanic Acid acts as a molecular shield, preventing the companion drug, Amoxicillin, from being hydrolyzed. This synergistic step allows the subsequent bactericidal mechanism to engage a broader population of organisms.


Irreversible Disruption of Cell Wall Synthesis

The now-protected Amoxicillin component is free to engage its primary targets: the Penicillin-Binding Proteins (PBPs) within the bacterial membrane. Amoxicillin irreversibly binds to the PBPs, blocking the crucial final step of peptidoglycan cross-linking necessary for cell wall formation. This failure in structural integrity triggers the autolytic cascade, causing the bacterial cell to rupture and die, which is the core physiological mechanism resulting in a reduction in viable microbial cells.

Dosage and Administration Information

How to Use Clamovid — Administration Guidelines

Clamovid, which contains amoxicillin and clavulanate potassium, is administered orally. Proper use involves following specific procedural, timing, and dosage rules.


Administration and Timing

Route of Administration: Oral.

Timing in Relation to Meals: Doses are taken at the start of a meal. This timing is intended to minimize the potential for gastrointestinal intolerance and optimize the absorption of the clavulanate component.

Frequency: Administered in divided doses, typically twice or three times daily (e.g., every 12 hours or every 8 hours), for the prescribed duration. Treatment duration generally does not exceed 14 days without a physician review.


Preparation and Dosage Rules

Dose Preparation:

  • Tablets: Swallow whole. Extended-release forms must not be crushed, broken, or chewed.
  • Oral Suspension: The powder is reconstituted by adding the specified amount of water in two stages, shaking vigorously after each addition, and should be shaken well before each use. The dose is measured with a suitable dosing device.

Age-Group Administration:

  • Adults and Children ge 40 kg: Dosed according to standard recommendations, often 500 mg/125 mg every 12 hours or 250 mg/125 mg every 8 hours, based on the amoxicillin component. Higher doses are specified for more severe infections.
  • Children < 40 kg: Dosing is weight-based (mg/kg/day) and typically given as an oral suspension, divided into two or three daily doses. Specific formulations are used for neonates and infants less than 12 weeks of age.

Missed Dose Instructions: If a dose is missed, it should be taken as soon as remembered. If it is close to the time for the next dose, the missed dose is skipped. Do not double the dose to compensate for a missed one.

Recent Clinical Evidence

Research Evidence: Overview of Clinical Studies for Clamovid


Evidence for Use in Acute Respiratory Infections (Sinusitis and Otitis Media)

Research examined Clamovid for conditions associated with acute or disruptive episodes, such as acute bacterial sinusitis and acute otitis media. These studies monitored patient populations, including both adults and children, in research settings like short-term Randomized Controlled Trials (RCTs). Researchers were primarily interested in outcomes related to physical discomfort and the eradication of specific organisms causing the infection.

Studies report how symptoms evolved in the observed populations during the short treatment period. Research describes results based on different administration approaches, such as varying dose levels, and some studies included other active treatments as comparators.

Evidence for Use in Lower Respiratory Tract Infections (e.g., Pneumonia)

Research explored Clamovid in conditions marked by functional limitations, including lower respiratory tract infections such as Community-Acquired Pneumonia (CAP). These studies were often conducted as RCTs and included adults, older adults, and children, sometimes with underlying chronic conditions. Studies monitored outcomes reflecting daily functioning and measures of symptom intensity during the observed time intervals.

Findings describe patterns observed in the studies related to short-term changes in symptoms and rates of reported clinical success. Comparative evidence derived from settings with varying symptom burdens show patterns related to other broad-spectrum antibiotics. Outcomes were monitored for specific groups, such as older adults with chronic lung conditions.


What is Still Uncertain About Clamovid Research

Evidence is limited in several key areas, contributing to the broader context of what has been observed so far. For example, comparative evidence is lacking against some alternative treatments that have been introduced more recently. Across all indications, follow-up durations were limited in most of the initial trials. Long-term effects or the durability of response after the acute phase are not fully established.

Subgroup findings are uncertain for specific groups not well represented in the initial trials, and data for certain pediatric subgroups remain insufficient. Research is ongoing to better contextualize how symptoms evolved in the observed populations and to provide further insight into long-term changes and future risk of flare-ups. Findings describe group patterns, not personal outcomes, and research does not determine whether an individual will respond similarly.

Frequently Asked Questions (FAQ)

Common questions about Clamovid (FAQ)

Q: Can Clamovid be used during pregnancy or while breastfeeding?

A: Official regulatory documents indicate that the use of this medicine during pregnancy should be avoided unless a healthcare provider determines there is a clear necessity. Regulatory documents note that the active ingredients have been assigned to an FDA Pregnancy Category that suggests no evidence of harm in animal reproduction studies. If you are breastfeeding, the components of Clamovid are known to pass into human milk in small amounts, and its use requires careful consideration.

Q: What color is the Clamovid tablet?

A: According to the official product descriptions available through regulatory bodies, the film-coated tablets containing the combination of amoxicillin and clavulanate potassium are typically described as being white to off-white in color.

Q: Does Clamovid cause drowsiness?

A: Official safety information lists dizziness as an uncommon side effect of Clamovid. While the product label does not typically cite general drowsiness as a common reaction during standard use, individuals using this medication are advised to observe their body’s response. If you experience unexpected or concerning symptoms, contact a healthcare professional.

How should Clamovid be stored and disposed of?

The storage and disposal of Clamovid (Amoxicillin and Clavulanate Potassium) must strictly follow conditions specified in official regulatory labeling.

Storage Requirements

Formulation Required Condition Stability Constraint
Tablets / Dry Powder Store at Controlled Room Temperature (20°C to 25°C). Must be kept tightly closed and protected from moisture. Store until expiration date.
Reconstituted Suspension Must be stored under refrigeration (2°C to 8°C). Must be discarded 10 days after mixing. Do not freeze.

All forms of this medication must be stored out of the sight and reach of children.

Disposal

Unused or expired product must not be flushed down a toilet or sink. The medication should be mixed with an undesirable material, sealed in a container, and disposed of in household trash, or returned through an official drug take-back program.

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

Available in countries:

Equivalent of Clamovid found in:

A-Z Index: