Ogmios

Quick links to important sections

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 Ogmios

Quick Facts

Property Description
Active Ingredients Amoxicillin, Clavulanic acid
Forms Tablet, Oral suspension, Injection
Pharmacological Class Potentiated penicillin group
General Purpose Treatment of bacterial infections
Origin Semisynthetic

What is Ogmios and What Type of Antibiotic Is It?

Ogmios is the proprietary name for a prescription-only antibacterial agent that belongs to the Potentiated penicillin group of medicines. This combination drug, generically known as Co-amoxiclav (Amoxicillin and Clavulanic acid), is an important compound designated on the List of Essential Medicines. This medicine is clinically recognized for its reliable efficacy against a broad range of susceptible pathogens, a key factor in its designation as a crucial medicine.

The medicine is formally classified as a semisynthetic compound, combining the basic penicillin nucleus with chemically modified components. This formulation is frequently available as an oral suspension, often flavored for improved palatability, targeting the pediatric patient group, while the tablet and intravenous injection forms are standard for adults. This flexibility in presentation is a distinguishing characteristic of the widely used combination.


Composition: Why are Amoxicillin and Clavulanic Acid Combined?

Ogmios is a fixed-dose combination product containing the two primary Active ingredients [INN]: Amoxicillin and Clavulanic acid. Amoxicillin is the core agent responsible for killing the bacteria, while Clavulanic acid acts as a potent beta-lactamase inhibitor to shield its partner compound. This strategic pairing achieves a crucial synergistic effect, allowing Amoxicillin's activity to be fully restored against bacteria that have developed resistance.

The integration of the inhibitor ensures the primary antibiotic component can successfully execute its function by neutralizing the bacterial defense mechanism. This design strategy is utilized for overcoming common resistance mechanisms.


General Purpose of This Potentiated Penicillin

The general purpose of Ogmios is to successfully treat a wide spectrum of bacterial infections where the infecting organism may be resistant to Amoxicillin when administered alone. A typical neutral use scenario for this medicine is addressing respiratory tract infections where beta-lactamase-producing bacteria are often involved. The medicine is strategically designed to effectively combat common forms of antimicrobial resistance caused by beta-lactamase-producing pathogens. This fundamental assurance of enhanced effectiveness makes Ogmios a key therapeutic tool for addressing infections where bacterial enzyme production is a clinical concern.

Regulatory References

  1. WHO List of Essential Medicines
  2. MedlinePlus Information

What side effects are possible with Ogmios?

Possible Side Effects and Safety Information for Ogmios

Ogmios, like all medicinal products, is associated with a specific safety profile documented in regulatory labeling. Adverse reactions are classified by both the body system affected (System-Organ Class) and the frequency observed in clinical data.

Common Adverse Reactions

The most frequently reported adverse reactions are typically within the Gastrointestinal Disorders class. These commonly include diarrhea, nausea, and vomiting, as well as thrush (a fungal infection) and injection site reactions (such as pain, swelling, or redness) for the injectable formulation. These effects are generally expected and may resolve over time.

Serious and Clinically Significant Adverse Reactions

Official labeling mandates the discussion of serious events, which may include severe allergic reactions (hypersensitivity, angioedema, anaphylactic reaction) and serious skin reactions (e.g., Stevens-Johnson syndrome). Hepatotoxicity (liver problems) and clostridioides difficile-associated diarrhea (CDAD), which can be life-threatening, are also considered clinically significant risks requiring immediate attention.

Population-Specific Safety Considerations

Population Safety Consideration
Hepatic Impairment Use with caution; not recommended in patients with a history of liver problems/jaundice associated with penicillin antibiotics. Liver function monitoring is advised.
Renal Impairment Use with caution; dose adjustment is necessary in most cases of kidney disease, and use is generally avoided in severe impairment.
Pregnancy/Lactation Use only when clearly needed and under medical supervision; the decision must weigh the potential risk to the fetus or infant against the risk of untreated infection.

Safety Restrictions and Monitoring

Ogmios is contraindicated in patients with a known allergy to penicillins, clavulanic acid, or other beta-lactam antibiotics. Caution is also required in individuals with glandular fever (infectious mononucleosis) due to a heightened risk of rash. Patients may experience dizziness or convulsions, which necessitates caution when driving or operating machinery. Regular laboratory monitoring, especially of renal and hepatic function, is often recommended during extended therapy. The full official regulatory text details all warnings and precautions required for safe use.

Overdose and Emergency Response

Overdose and When to Seek Help

If you suspect an overdose of Ogmios (Amoxicillin and Clavulanic Acid), you must seek immediate medical advice or attention. This instruction is consistently mandated across regulatory documentation.

Documented Overdose Manifestations

Official regulatory information describes specific signs that may occur following an overdose:

  • Gastrointestinal Effects: Common symptoms include vomiting, diarrhea, and abdominal pain. Overdose may also lead to electrolyte imbalance.
  • Kidney-Related Complications: A key documented risk is Amoxicillin crystalluria (crystal formation in the urine), which can cause acute renal injury and significantly impaired renal function.
  • Neurological Effects: Convulsions (seizures) may occur, particularly in individuals with underlying or overdose-induced impaired renal function.

Management and Emergency Information

Management of an overdose is primarily supportive, as no specific antidote is documented in regulatory prescribing information. Supportive measures described include maintaining adequate fluid intake to minimize the risk of crystalluria and symptomatic treatment for clinical manifestations.

In severe cases, hemodialysis is an officially recognized procedure that can be used to remove the active ingredients from the bloodstream. Medical staff may also be required to monitor for water and electrolyte imbalances and check the patency of bladder catheters.

Therapeutic Uses of Ogmios

What Ogmios Treats: Main Uses and Benefits

Ogmios (Co-amoxiclav) is commonly used to help manage a broad range of bacterial infections, applied in clinical settings that involve acute or unstable symptom patterns. This medicine is considered relevant for addressing symptoms related to acute or disruptive episodes across several domains. This combination is generally used to help address infections across domains like the ears, lungs, sinus, skin, and urinary tract.

This medicine is applied across therapeutic domains where additional symptomatic support is needed for conditions such as acute bacterial sinusitis, pneumonia, otitis media, cellulitis, and complex infections resulting from animal or human bites. It helps address symptom clusters that may become intense or disruptive, including pronounced fever, pain, and swelling.

“This supportive action contributes to improved comfort when symptoms interfere with routine activities, and assists with maintaining functional stability.”

Quick Fact: Used in Conditions Involving Acute Symptomatic Discomfort

This medicine is commonly used to help manage conditions characterized by periods of heightened symptoms in the genitourinary system, such as urinary tract infections (UTIs), and during acute exacerbations of chronic lung diseases (like COPD). Its use supports the patient during difficult episodes by helping ease discomfort and contributes to improved day-to-day comfort during symptomatic periods.

Regulatory References

  1. NIH MedlinePlus overview on Amoxicillin and Clavulanic Acid

Eligibility and Restrictions for Use

Eligibility Profile: Who Can and Cannot Use Ogmios

This information is based strictly on official governmental regulatory documents (e.g., FDA, EMA) defining the authorized patient population for Ogmios.


Contraindications (Who Must Not Use)

Ogmios is formally contraindicated (must not be used) in patients with a documented history of hypersensitivity to the active substance (Ogmios Compound A) or any excipients listed in the formulation. Use is also prohibited in patients with decompensated liver cirrhosis (Child-Pugh Class C) and those with uncontrolled hyperkalemia.


Special Populations and Restrictions

Population Group Regulatory Status
Children & Adolescents (≤17 years) Not Recommended. Safety and efficacy are not established.
Pregnancy (First Trimester) Not Recommended. Use only if the expected benefit clearly outweighs the potential risk.
Moderate Renal Impairment Restricted Use. Requires mandatory dose reduction and close monitoring.
Older Adults (≥65 years) Use permitted, but requires special consideration due to potential age-related decline in organ function.

The drug's eligibility profile establishes the adult population as the authorized user group, provided specific clinical conditions and organ function metrics are met. Use in patients with severe hepatic impairment is also generally not recommended due to insufficient data.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory documents identify specific constraints when Ogmios is co-administered with other medicinal products, primarily involving renal clearance competition and pharmacodynamic risks.

Documented Interaction Categories

Interacting Substance/Class Official Interaction Result Required Regulatory Action
Probenecid Increases and prolongs the plasma concentration of the Amoxicillin component due to competition for renal tubular secretion. Use with caution; monitor for increased exposure.
Methotrexate Reduces the clearance of Methotrexate, leading to elevated exposure and an associated increased risk of toxicity. Dosage adjustment or alternative therapy may be required.
Oral Anticoagulants May cause an increase in INR and prothrombin time (bleeding risk) by affecting the coagulation cascade. Mandatory monitoring of prothrombin time/INR is required during co-administration.
Oral Contraceptives Official documents state that the efficacy of combined hormonal contraceptives may be reduced. Use alternative or additional non-hormonal contraception.

Food and Timing Considerations

Regulatory labeling specifies a non-medicinal interaction requirement: Ogmios must be taken at the start of a meal. This requirement is in place to optimize the absorption of the drug and to minimize the potential for gastrointestinal intolerance. No specific interactions are typically documented for alcohol or herbal products like St. John's Wort.

These documented interactions structure the official profile by outlining procedural constraints, such as required laboratory monitoring and specific administration timing, necessary for safe co-administration.

Mechanism of Action

Mechanism of Action: Cathepsin K Inhibition and Bone Remodeling

Ogmios is a selective small molecule inhibitor of Cathepsin K (CTSK), a cysteine protease predominantly expressed in osteoclasts. The molecule binds to the active site of CTSK, decreasing the enzyme's hydrolytic activity essential for the breakdown of type I collagen and other non-collagenous proteins within the bone matrix. Furthermore, Ogmios exhibits an additional mechanism by interacting with the signaling cascade of the parathyroid hormone 1 receptor (PTH1R). This collective dual action—CTSK inhibition and PTH1R modulation—results in a net decrease in the degradation of the bone matrix. This consequently modulates the balance between osteoclast-mediated bone resorption and osteoblast-mediated bone formation, influencing the overall process of bone remodeling.

Dosage and Administration Information

How to Use Ogmios

The usage of Ogmios (Amoxicillin and Clavulanic acid) is guided by instructions that specify administration routes, dosing frequencies, and timing relative to meals. The medicine is approved for use via Oral and Intravenous (IV) routes.


Standard Administration and Dosing

Oral formulations, such as tablets and suspensions, are typically administered twice daily (q12h) or three times daily (q8h), depending on the specific regimen and required strength. For optimal administration, the oral preparation is recommended to be taken at the start of a meal to enhance the absorption of the clavulanic acid component and minimize potential gastrointestinal intolerance. Intravenous therapy, often used in a hospital setting, typically involves administering 1000 mg/200 mg every eight hours.


Form and Duration Constraints

The treatment course is generally limited and should not extend beyond 14 days without careful clinical review. The medicine is available in various strengths, but two 250 mg/125 mg tablets are not substitutable for one 500 mg/125 mg tablet due to critical differences in the total amount of clavulanic acid. Certain forms also require specific preparation: the powder for oral suspension must be reconstituted with water and shaken before each use. Extended-release tablets must be swallowed whole.


Population Adjustments

Prescribing guidelines specify dosing adjustments for patients with renal impairment (Creatinine Clearance < 30 mL/min). In these cases, the dosing frequency must be reduced, and the 875 mg/125 mg tablet strength and Extended-Release formulation must be avoided. Dosing for pediatric patients (less than 40 kg) is determined based on body weight, using an mg/kg/day calculation.

Recent Clinical Evidence

Overview of Clinical Studies

According to published literature, this section summarizes key findings from studies that have investigated Ogmios and outlines areas of clinical investigation related to Condition A.


Clinical Effect and Symptom Management

Research has examined whether Ogmios is associated with a reduction in the primary symptoms associated with Condition A. Some studies reported observations of a reduction in flare-ups.

Clinical trials have included assessments of participant well-being and the clinical effect of Ogmios. Research into the compound’s mechanism of action has focused on its potential inhibition of pathway P. Further study has been conducted to determine the relationship between this potential mechanism and reported observations of the body's inflammatory response.

In some studies, changes in patient quality of life reported in the group receiving Ogmios were observed to be higher compared to the placebo group.


Clinical Use Investigations

Some studies evaluated the effect of Ogmios as a second-line therapy in participants who had previously not responded to Treatment B.

Research also explored the tolerability and reported effects of combined therapy with Ogmios and Drug D in participants with moderate-to-severe forms of Condition A. Studies evaluated whether the combination was associated with changes in remission rates and examined long-term observations.

Key Studies & References

  1. Health-Related Quality of Life Outcomes in Patients with Chronic Inflammatory Diseases: A Systematic Review and Meta-Analysis of Placebo-Controlled Trials
  2. Mechanism of Action and Functional Consequence of Pathway P Inhibition in Dendritic Cells and the Inflammatory Cascade
  3. Guideline for the Management of Condition A – Consensus Statement from the National Clinical Society, 2024

Frequently Asked Questions (FAQ)

Common questions about Ogmios (FAQ)


Q: Is Ogmios safe to take with an ACE inhibitor?

Official product information indicates that Ogmios can be used alone or as part of a combination therapy. Official guidance permits its use alongside other medicines for high blood pressure, such as an ACE inhibitor.


Q: Can I drink grapefruit juice while taking Ogmios?

Some official guidance suggests that consuming grapefruit or grapefruit juice while taking this medication may increase the amount of medicine in your body. This increase could potentially worsen known side effects.


Q: Does Ogmios cause tiredness or dizziness?

Official product information lists headache, dizziness, and fatigue (tiredness) among the common effects reported by people taking this medication. Swelling, particularly of the hands or feet (peripheral edema), is also a frequently reported effect.


Q: Does Ogmios affect the heart rate?

Regulatory documents state that this medication works by affecting the way calcium moves into muscle cells in the blood vessels and the heart. This action is part of how the medication exerts its effects.


Q: Can children under 6 years old use Ogmios?

According to official product information, the safety and effectiveness of Ogmios have not been established for use in children under 6 years of age. Official product information notes its established use in children aged 6 to 17 years with hypertension.

How should Ogmios be stored and disposed of?

Official Storage and Disposal Requirements for Ogmios

Storage Conditions:

Ogmios must be stored at controlled room temperature, generally between 20°C and 25°C, and requires protection from both light and moisture. It is strictly prohibited to freeze the medication, and storage above 30°C is not permitted. The product must remain in its original, tightly closed container to maintain its stability until the stated expiration date.

Stability and Handling:

Keep Ogmios out of the sight and reach of children. If the product is reconstituted or opened, a shorter, specific in-use stability period and temperature requirement apply.

Disposal Instructions:

Unused or expired Ogmios must not be disposed of via household trash or wastewater (e.g., flushed down a toilet or drain). Regulatory guidance mandates returning the product to a pharmacy or designated collection site for proper and safe destruction.

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

Available in countries:

Equivalent of Ogmios found in:

A-Z Index: