Aclam

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Medically reviewed

Marina Burgos

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 Aclam

Understanding Aclam

Aclam is a combination antibiotic medication used to treat a variety of bacterial infections. It belongs to the penicillin-type class of antibiotics and contains two primary active components: amoxicillin and clavulanic acid.

How It Works

The effectiveness of Aclam comes from the synergistic relationship between its two main ingredients:

  • Amoxicillin: This is a broad-spectrum antibiotic that works by stopping the growth of bacteria. It targets the bacterial cell wall, preventing the organisms from multiplying and spreading within the body.
  • Clavulanic Acid: Some bacteria produce enzymes called beta-lactamases, which can normally break down and deactivate amoxicillin, making the bacteria resistant. Clavulanic acid is a beta-lactamase inhibitor that blocks these enzymes, allowing the amoxicillin to remain effective against strains of bacteria that would otherwise be resistant to it.

Common Applications

Because of its ability to overcome certain types of bacterial resistance, Aclam is used for various types of infections, including:

  • Respiratory Tract Infections: Such as sinusitis, pneumonia, and bronchitis.
  • Ear and Throat Infections: Including otitis media (middle ear infections) and tonsillitis.
  • Urinary Tract Infections: Targeting bacteria affecting the bladder or kidneys.
  • Skin and Soft Tissue Infections: Such as abscesses or infected wounds.
  • Dental Infections: Used for dental abscesses and related oral bacterial issues.

Aclam is only effective against infections caused by bacteria; it does not treat viral infections such as the common cold or the flu.

Regulatory References

  1. Amoxicillin Clavulanate Mechanism of Action

What side effects are possible with Aclam?

Possible Side Effects and Safety Information for Aclam

The safety profile for a medicine is formally established through rigorous evaluation by authoritative government health agencies, such as the FDA, EMA, Health Canada, and others. These agencies document adverse reactions, serious risks, and safety restrictions based on data from clinical trials and post-marketing surveillance.

As of the current date, Aclam is not identified as a drug with publicly available official prescribing information (e.g., Summary of Product Characteristics, Prescribing Information, or official government monographs) from major worldwide regulatory authorities. Consequently, the specific officially documented adverse reactions, frequency classifications, and systemic safety warnings are not available.

Required Safety Structure (Data Not Available)

To meet regulatory standards, a drug's safety information is categorized using the following framework, which remains undetermined for Aclam:

  • Adverse Reaction Scope: In official documents, side effects are categorized by frequency (e.g., Very Common, Common, Uncommon) and grouped by System-Organ Class (SOC) (e.g., Nervous System Disorders, Gastrointestinal Disorders).
  • Serious Adverse Reactions: Reactions deemed clinically significant or life-threatening are specifically highlighted in the regulatory label.
  • Population-Specific Safety: Any required considerations for specific groups, such as pediatric patients, elderly patients, or individuals with certain pre-existing conditions, are explicitly stated in the regulatory documentation.

All safety statements must be strictly derived from these official government-verified sources to provide accurate, non-interpretive information to the public. If Aclam were to receive regulatory approval, these documented safety elements would define its official risk profile.

Overdose and Emergency Response

Overdose and when to seek help

Overdose of Aclam (Amoxicillin/Clavulanic Acid) is defined by official regulatory sources through specific clinical manifestations and mandated emergency actions. Documented presentations include gastrointestinal symptoms such as diarrhea and vomiting, neurological signs including sleepiness and the risk of convulsions or seizures, and renal findings like decreased or cloudy urination. These effects are often linked to high-dose exposure.

The primary severe outcomes documented in regulatory warnings include the potential for serious (occasionally fatal) hypersensitivity reactions (anaphylaxis) and organ-specific toxicity. This involves amoxicillin crystalluria, which can lead to acute renal failure, and signs of hepatic dysfunction (hepatitis).

Regulatory authorities mandate seeking immediate medical attention for any severe symptoms, including collapse, seizure, trouble breathing, or swelling of the face, throat, or tongue. Discontinuation of the medicine is required if signs of hepatitis or serious hypersensitivity appear.

Management protocols are entirely symptomatic and supportive since no specific antidote is listed in official labeling. Procedures such as hemodialysis can be utilized to remove both active components from the circulation. Special consideration is given to patients with existing renal impairment due to the increased risk of convulsions, and to males and the elderly, who are noted to have a higher reported incidence of hepatic events.

Therapeutic Uses of Aclam

What Aclam Treats: Main Uses and Benefits

Aclam (Amoxicillin/Clavulanic Acid) is commonly used in situations involving certain distressing symptoms caused by bacteria known to be difficult to manage. It is applied across several therapeutic domains, including infections of the ears, lungs, sinuses, and skin. Its primary therapeutic benefit is that it plays a role in managing acute or disruptive episodes caused by a wide range of bacterial pathogens, thereby addressing the heightened distress and symptom burden associated with acute infectious episodes.


The medication is considered relevant for conditions characterized by periods of heightened symptoms such as severe acute otitis media, acute bacterial rhinosinusitis, community-acquired pneumonia, and skin/soft tissue infections like cellulitis. It helps address symptom clusters that may appear suddenly, including pain, swelling, cough, and fever.

“Aclam is often used when symptoms intensify and supportive relief is needed, and may contribute to improved comfort during periods of heightened symptoms.”

QuickFact: Relief for Localized Discomfort

Quick Fact: Relief for Localized Discomfort

Aclam may provide supportive relief when symptoms interfere with routine activities, particularly in cases of cellulitis or dental abscesses where pain and swelling create noticeable physiological strain. The medication may assist with maintaining functional stability during these acute episodes.

Eligibility and Restrictions for Use

The eligibility to use Aclam is determined by specific regulatory criteria defined by health authorities. Absolute contraindications prohibit use in patients with a history of a severe allergic reaction, such as anaphylaxis, to Aclam, penicillins, or any other beta-lactam antibiotic. The medicine is also strictly contraindicated for individuals with a prior history of cholestatic jaundice or hepatic dysfunction linked to its previous use.

Use is generally established for adults and adolescents, and for pediatric patients across all age ranges, including infants; however, the regulatory label imposes formulation restrictions. For example, specific tablets are not recommended for children weighing less than 40 kg.

The medicine must be avoided if Infectious Mononucleosis is suspected. Patients with hepatic impairment require cautious use and regular monitoring of liver function. Those with renal impairment necessitate dose adjustment based on the severity of kidney function decline, with high-dose or certain high-ratio formulations being not recommended for severe impairment. For women, use during pregnancy is permitted only when clearly needed, and caution is advised during breastfeeding as the drug components are present in breast milk. Certain formulations containing aspartame are restricted for patients with Phenylketonuria.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines interactions with other medicinal products and substances as officially documented in regulatory sources.


Documented Interaction Patterns

Substance/Product Official Interaction Outcome / Classification
Probenecid Co-administration increases and prolongs the plasma concentration (exposure) of the Amoxicillin component due to competitive inhibition of renal tubular secretion (Pharmacokinetic Interaction).
Oral Anticoagulants May be associated with an increase in International Normalized Ratio (INR) or prothrombin time (PT), which are measures of clotting time (Pharmacodynamic Interaction).
Allopurinol Co-administration is associated with an increased incidence of skin rash (Pharmacodynamic Interaction).
Methotrexate Co-administration may result in reduced renal clearance, potentially increasing exposure to Methotrexate (Transporter-Mediated Interaction).
Combined Oral Contraceptives Potential to reduce the efficacy of the contraceptive components.
Food The absorption of the Clavulanate component is officially enhanced when administered at the start of a meal, an administration timing consideration.

Restrictions and Considerations

The regulatory profile mandates specific restrictions unrelated to co-administration for patient safety: the medicine is contraindicated in individuals with a prior history of cholestatic jaundice or hepatic dysfunction associated with Amoxicillin/Clavulanate use.

No drug combinations are formally listed as contraindicated due to interaction risk in the primary prescribing information. The interaction structure is defined by pharmacokinetic competition for renal excretion and pharmacodynamic influence on systemic parameters like coagulation.

Mechanism of Action

How Aclam Works

Irreversible Disruption of Bacterial Cell Wall Synthesis

The bactericidal action of Aclam is mediated by its Amoxicillin component, which targets bacterial enzymes known as Penicillin-Binding Proteins (PBPs). By permanently inhibiting the final step of peptidoglycan cross-linking, the drug forces the creation of a structurally weak, unstable bacterial cell wall. This specific molecular interference leads to the cell's rupture (lysis) due to internal osmotic pressure, resulting in the elimination of susceptible bacterial populations.

️ Inactivation of Bacterial Defense Mechanisms (Beta-Lactamase Inhibition)

The mechanistic contribution of Aclam is its Clavulanic Acid component, which acts against a common bacterial defense system. Clavulanic Acid functions as a suicide inhibitor by irreversibly binding to and permanently inactivating beta-lactamase enzymes produced by resistant bacteria. This protective mechanism prevents the chemical degradation of the Amoxicillin molecule, allowing it to retain its structural integrity and concentration at the site of action against otherwise resistant organisms.

Dosage and Administration Information

Aclam (Amoxicillin/Clavulanic Acid) is administered through specific routes and schedules. Administration is primarily oral, utilizing tablets, chewable forms, or liquid suspensions. In cases where oral therapy is unsuitable, the medicine may be used via the intravenous (IV) route as an injection or infusion. Dosing for adults and children over 40 kg typically involves regimens like 875 mg/125 mg every 12 hours or 500 mg/125 mg every 8 hours, based on the infection severity.


A key procedural instruction states that oral forms should be taken at the start of a meal. This timing is intended to optimize the absorption of clavulanic acid and help minimize gastrointestinal intolerance. The dosage frequency is either twice daily (every 12 hours) or three times daily (every 8 hours), depending on the specific formulation and regimen prescribed.

Specific adjustments to the standard dosing are required for patients with renal impairment. The use of high-strength oral forms, such as the 875 mg/125 mg tablet, is restricted when creatinine clearance is ≤ 30 mL/min. Pediatric dosing for patients under 40 kg is calculated by body weight (mg/kg). The overall duration of use is time-limited; treatment should generally not be extended beyond 14 days without a clinical review.


When preparing the liquid suspension, the powder must be reconstituted with water and shaken well before each administration. If a dose is missed, the general practice is to skip the dose if it is near the next scheduled time and resume the regular schedule, without doubling the dose.

Recent Clinical Evidence

Aclam: Recent Clinical Evidence

This overview summarizes the available research concerning Aclam (Amoxicillin/Clavulanic Acid), focusing only on the types of studies conducted and the evidence gaps reported in authoritative sources.


Evidence for Common Infections

Aclam was evaluated in short-term Randomized Controlled Trials (RCTs) and Systematic Reviews for conditions such as Acute Otitis Media (AOM), Acute Bacterial Rhinosinusitis (ABRS), and Community-Acquired Pneumonia (CAP). Research explored outcomes related to physical discomfort, like symptom patterns, and monitored physiological strain by examining metrics related to pathogen clearance. Studies also included the assessment of metrics of clinical outcomes and recovery in patients with Skin and Soft Tissue Infections (SSTI).

Findings describe patterns observed when the combination regimen was used in specific patient groups, including pediatric cohorts for AOM and older adults for CAP. Studies documented reported patterns across different antibiotic regimens and populations.


Evidence Limitations and Uncertainty

A key limitation across the research is the scarcity of high-quality, head-to-head RCTs directly comparing Aclam to Amoxicillin alone in broad populations, such as those with CAP. This means that comparative evidence is lacking regarding the specific value of the combination in all scenarios.

Follow-up durations were limited across most primary trials for all indications. As a result, long-term effects are not fully established, and there is limited information on how the initial treatment influences durable symptom stability or the frequency of recurrence over many months. Data for complex, high-comorbidity groups also remain insufficient.

Frequently Asked Questions (FAQ)

Common questions about Aclam (FAQ)


Q: What should I do if I accidentally miss a dose of Aclam?

If a dose of Aclam is missed, official patient information advises skipping the dose if the next scheduled dose is due within a specified short timeframe (often six hours). If not, the dose may be taken as soon as it is remembered. It is important never to take a double dose to make up for a missed one. Patients are advised to resume the regular dosing schedule afterwards.


Q: Is it normal to feel a little stomach upset or nausea when taking Aclam?

Regulatory documents list nausea, vomiting, and diarrhea among the common side effects of Aclam. The medicine's label indicates it should be taken at the start of a meal to help minimize gastrointestinal intolerance.


Q: Is liver-related side effect a known risk with Aclam?

Official warnings note that liver damage, including inflammation (hepatitis) and a type of jaundice called cholestatic jaundice, can occur. This risk appears to be seen more often in older adults, males, and those on prolonged treatment. If symptoms like persistent nausea, dark urine, or yellowing of the skin appear, regulatory guidance emphasizes consulting a healthcare provider, as this may necessitate immediate discontinuation of the medicine.


Q: Does Aclam affect the function of the kidneys?

Regulatory documents indicate that patients with pre-existing kidney impairment require a dose adjustment because Aclam is cleared from the body primarily by the kidneys. The official label notes that symptoms like decreased urination or cloudy urine are possible signs associated with serious adverse reactions or overdose.


Q: Can Aclam cause diarrhea, and if so, what is the cause?

Diarrhea is a very common side effect. While usually mild, official warnings state that diarrhea can sometimes indicate a severe intestinal infection called Clostridioides difficile (C. diff) colitis, which may happen during treatment or up to two months afterward. If severe or persistent diarrhea occurs, regulatory guidance advises that such symptoms should be discussed with a healthcare provider.


Q: What are the most common side effects associated with Aclam?

According to official regulatory labels, the most common reported side effects are diarrhea, nausea, vomiting, and skin rash.


Q: Are there any serious side effects of Aclam that I should be aware of?

Official prescribing information highlights that several serious risks are associated with the drug. These include severe allergic reactions (like anaphylaxis), serious and potentially life-threatening skin reactions (such as Stevens-Johnson Syndrome), and significant liver damage.


Q: Can Aclam cause a skin rash or itching?

Skin rash and itching are listed as common side effects in official regulatory documents. While many rashes are mild, any rash can also be an early sign of a rare but serious allergic or skin reaction. Due to this possibility, monitoring the symptom is emphasized.


Q: Why might a doctor prescribe Aclam instead of a single antibiotic for a UTI?

Official information indicates that Aclam is prescribed to extend the range of bacteria it can eliminate. This combination is effective against bacteria that produce enzymes called beta-lactamases, which would destroy a single antibiotic like amoxicillin. It is indicated for the treatment of certain urinary tract infections (UTIs) when resistance is a concern.


Q: Is Aclam effective against all types of bacterial infections?

No, official indications specify that Aclam is only effective against infections caused by susceptible strains of bacteria that are listed in the product information. Like all antibiotics, it is not effective against viral infections.


Q: What is the meaning of the two different numbers on the Aclam label (e.g., in a combination drug)?

Official product information explains that Aclam is a fixed-dose combination, and the two numbers on the label refer to the amount of each active ingredient. The first number is the dose of the antibiotic Amoxicillin, and the second number is the dose of the Clavulanic Acid component (e.g., 875 mg/125 mg).


Q: Is Aclam used to treat viruses or just bacteria?

Aclam is classified as an antibacterial medication and works by destroying bacterial cell walls. It is only active against bacteria and has no effect on viral infections.


Q: Can Aclam lead to yeast infections, and why?

Regulatory information lists mucocutaneous candidiasis (thrush or yeast infection) as a common side effect. This occurs because the antibiotic component can disrupt the body's natural balance of bacteria and fungi, allowing yeast to overgrow.


Q: What is the relationship between Aclam and drug resistance?

Aclam is specifically designed to address drug resistance in bacteria. The Clavulanic Acid component acts as a protective agent that shields the antibiotic Amoxicillin from being chemically broken down by bacterial defense enzymes, thereby ensuring Amoxicillin remains effective.


Q: Is Aclam available as a liquid suspension for kids?

Official regulatory documents confirm that this drug combination is available in various forms. These include an oral suspension (liquid) and chewable tablets, which are dosage forms typically used for children.


Q: Can Aclam make you feel dizzy or tired?

Official regulatory labels note that dizziness is a possible side effect. While not listed as a primary side effect, feelings of tiredness or fatigue may be associated with the infection being treated, or are sometimes noted in the context of overdose or serious reactions.


Q: If I notice my urine is dark while on Aclam, is that a concern?

Official warnings indicate that dark-colored urine can be a symptom of a serious side effect, particularly liver damage (hepatotoxicity) or jaundice. Regulatory guidance advises that this should be discussed with a healthcare provider immediately.


Q: Is Aclam considered a 'broad-spectrum' antibiotic combination?

Aclam (Amoxicillin/Clavulanic Acid) is classified in official regulatory documents as a broad-spectrum antibiotic combination.


Q: Does Aclam have a high risk of interacting with herbal supplements?

While official drug information does not typically contain detailed reports on specific interactions with herbal supplements, patients are generally advised to inform their doctor or pharmacist about all products they are taking, including any herbal remedies or vitamins.


Q: Is Aclam used for treating infections in the ears, nose, or throat?

Regulatory indications confirm that Aclam is used to treat infections in these areas. Specifically, it is indicated for conditions such as Acute Otitis Media (ear infection) and Acute Bacterial Rhinosinusitis (sinus infection) in susceptible patient populations.


Q: Can Aclam cause changes in blood test results?

Regulatory labels state that Aclam may interfere with certain laboratory tests. For example, it can cause non-enzymatic methods for testing urine glucose to give false positive results, and the clavulanic acid component can cause a false positive Coombs test result.


Q: Can Aclam cause joint pain or swelling?

Joint pain is not listed as a common side effect. However, regulatory documents state that joint pain can be a symptom of a severe allergic reaction (such as DRESS syndrome) which is a rare but serious event that warrants consulting a healthcare professional promptly.

How should Aclam be stored and disposed of?

How to Store and Dispose of Aclam

This information details the officially required storage, handling, and disposal instructions for Aclam, strictly according to regulatory labeling.

Mandatory Storage Conditions

Aclam must be stored at controlled room temperature, generally between 20 C and 25 C (68 F and 77 F). The product requires protection from light and moisture and must remain in its original, tightly closed container. It is prohibited to freeze the medication, as this may compromise its stability.

Stability and Handling

Keep Aclam out of the sight and reach of children. If the product requires preparation, any portion unused after the designated time (e.g., 24 hours) must be discarded.

Official Disposal Instructions

Unused or expired Aclam should be disposed of through an authorized drug take-back program or official collection site. Do not dispose of this medication by flushing it down a toilet or pouring it down a drain, or by placing it in household trash, to prevent environmental contamination.

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

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