Алломарон

Quick links to important sections

Алломарон

Treatment option: Gout

Medically reviewed

Laura Arias

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 Алломарон

What is Алломарон? (Allomaron)

Алломарон is an oral, fixed-dose combination drug used as a Hypouricemic agent to manage long-term elevated levels of uric acid in the bloodstream (hyperuricemia). It is a synthetic pharmaceutical supplied in tablet form.

Property Description
Active Ingredients Allopurinol, Benzbromarone
Form Tablet (Oral)
Pharmacological Class Hypouricemic agent
Mechanism Type Dual-action (Production Inhibitor + Excretion Promoter)
Origin Synthetic

Identity and Pharmacological Classification

Алломарон is a synthetic, fixed-dose combination product administered by the oral route, primarily classified as a Hypouricemic agent. This drug is central to urate-lowering therapy (ULT), developed to address the chronic metabolic disorder of hyperuricemia. The combination is clinically recognized for its use in patients requiring a dual approach to uric acid control, particularly when the condition is uncontrolled on single-agent treatments such as Allopurinol alone. This prescription-only formulation distinguishes itself by integrating two distinct therapeutic strategies into a single tablet.


Composition and The Dual-Mechanism Strategy

Алломарон's therapeutic strength comes from its two active ingredients: Allopurinol and Benzbromarone. Allopurinol is a Xanthine Oxidase Inhibitor that acts to reduce the production of uric acid in the body. Conversely, Benzbromarone is a potent Uricosuric agent that works by increasing the kidney's elimination of uric acid. Combining these two agents achieves greater control of serum urate levels, emphasizing the drug's specialized role in achieving a synergistic effect for complex hyperuricemia.


General Purpose: Comprehensive Urate Stabilization

The ultimate goal of using Алломарон is to achieve robust and stable control over serum urate concentrations. This dual-action strategy is essential for achieving the biochemical effectiveness necessary to keep uric acid levels below the critical point of crystallization. The medication's primary general purpose is to provide proactive, continuous urate stabilization, helping to manage the underlying cause of the condition.

What side effects are possible with Алломарон?

Possible Side Effects and Safety Information

The safety profile for Алломарон (Allopurinol / Benzbromarone) is structured based on the regulatory classifications of adverse events associated with its active components. Adverse reactions are officially categorized by frequency and the body system affected, ensuring transparent communication of risk as defined by government regulatory documents.


Official Adverse Reaction Classification

Adverse effects are grouped according to their estimated incidence:

  • Common Reactions: Events that may occur more frequently include rash, nausea, and diarrhoea.
  • Uncommon Reactions: These include hypersensitivity reactions and abnormal liver function test results.
  • Rare/Very Rare Reactions: These categories include less frequent but clinically significant events such as different forms of hepatitis and severe hematological reactions (e.g., agranulocytosis).

Serious Adverse Reactions and Safety Constraints

The most serious adverse reactions documented in official labeling include life-threatening Severe Cutaneous Adverse Reactions (SCARs), specifically Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN). Additionally, the Benzbromarone component is associated with a risk of significant Hepatotoxicity (liver injury), which is a key safety constraint for its use.


Population and Time-Related Safety

Regulatory documents highlight that the risk of severe hypersensitivity reactions (SCARs) is highest during the first few months of therapy and is increased in patients with renal impairment or those who carry the *HLA-B58:01 allele. The combination's mechanism also introduces a specific risk of uric acid kidney stone formation** due to enhanced uric acid excretion, a constraint noted in official safety information.

Overdose and Emergency Response

Overdose and When to Seek Help

This information is based on official government regulatory documents detailing the recognized overdose profile for Allopurinol (Алломарон).

Acute Overdose Manifestations

Documented signs of acute, massive overdosage often include Nausea, Vomiting, and Diarrhea. Other associated symptoms may include Drowsiness and Headache. In severe cases, massive overexposure can lead to Xanthine Crystalluria (formation of crystals in the urinary tract) or Calculi (stones), which may result in kidney function impairment.

Serious Outcomes and Immediate Actions

Regulatory documentation highlights the critical risk of severe, potentially fatal Hypersensitivity Reactions (such as Stevens-Johnson Syndrome/Toxic Epidermal Necrolysis). These reactions are not necessarily dose-dependent. Immediate medical help must be sought right away if overdosage is suspected or if symptoms such as a new skin rash or signs of allergic reaction appear, as this warrants immediate drug discontinuation and urgent medical assessment.

Management Principles

Official treatment approaches are supportive. Allopurinol and its active metabolite, oxypurinol, are known to be dialysable. Therefore, Hemodialysis may be considered for severe cases of massive overdosage, especially where renal failure is present. Maintaining adequate fluid intake is recommended to promote drug excretion.

Therapeutic Uses of Алломарон

What Алломарон Treats: Main Uses and Benefits

Алломарон is used as a therapy for long-term management of conditions rooted in chronic systemic imbalance—specifically, persistently elevated uric acid levels (hyperuricemia). The therapeutic goal is to support stable urate control, which helps to address the underlying physiological strain associated with these conditions. Combination therapy is considered relevant when patients cannot adequately control hyperuricemia with single-agent treatments.

It is commonly used to help with recurrent episodes of painful joint inflammation (acute gouty arthritis), the presence of visible urate deposits (tophi), and the risk of uric acid kidney stones (lithiasis).

“This medication is applied in situations where supportive, long-term urate stabilization is required to mitigate the recurrence of disruptive symptomatic episodes.”


Quick Fact: Relief for Recurrent Joint Discomfort

This combination supports patients during episodes of heightened discomfort by contributing to reducing the risk of future painful flares. For those with gout characterized by chronic urate deposits, it is relevant for easing the presence of chronic urate deposits, which may assist with maintaining functional stability. The medication offers supportive relief in clinical scenarios where symptoms interfere with routine activities.

Regulatory References

  1. National Institutes of Health (NIH) repository

Eligibility and Restrictions for Use

Eligibility Profile: Who Can and Cannot Use Алломарон (Allopurinol)

This eligibility information is based strictly on official regulatory documentation and patient labeling.

Absolute Restrictions and Contraindications

Restriction Category Status
Hypersensitivity Contraindicated (Must NOT use if allergic to allopurinol or its components).
Asymptomatic Hyperuricemia Not Recommended (Explicitly discouraged for treating high uric acid levels without symptoms).

Conditional Use and Required Caution

Certain populations may use allopurinol only with careful consideration or dose adjustment:

  • Renal or Hepatic Impairment: Patients with impaired kidney or liver function require dose reduction and close monitoring. The dose must be adjusted based on the degree of renal impairment.
  • Pharmacogenetic Risk: Individuals who carry the *HLA-B58:01 allele (found at higher frequencies in certain Asian, African, and Pacific Islander ancestries) are not recommended** to use the medicine unless the potential benefits significantly outweigh the risk of severe skin reactions.

Age and Life Stage Eligibility

  • Pregnancy and Breastfeeding: Use during pregnancy is not usually recommended unless there is no safer alternative and the benefit justifies the potential risk. It is not recommended for breastfeeding women as the drug is excreted into human milk.
  • Pediatric Patients: Use in children is rarely indicated and is generally restricted to treatment of specific serious conditions, such as certain enzyme disorders (e.g., Lesch-Nyhan syndrome) or hyperuricemia secondary to malignant disease.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Алломарон (Allopurinol and Benzbromarone) interacts with several medicinal products through documented pharmacokinetic and pharmacodynamic mechanisms, as specified in regulatory labeling. The Allopurinol component significantly alters the systemic exposure of certain co-administered agents. Due to inhibition of the enzyme xanthine oxidase, co-administration with purine analogs like Mercaptopurine or Azathioprine substantially increases their plasma concentration. This interaction formally requires a mandatory reduction in the dosage of the immunosuppressant.

Specific combinations are listed as formally restricted. Therapy with Pegloticase is prohibited during the administration of the Allopurinol component, and co-administration with Capecitabine is listed as a combination to avoid. Both active components enhance the anticoagulant effect of Warfarin, necessitating close monitoring of coagulation status. The efficacy of the Benzbromarone component, a uricosuric agent, is formally decreased when co-administered with high-dose Salicylates or Thiazide Diuretics.

Pharmacodynamic interactions include an increased risk of hypersensitivity reactions when the Allopurinol component is combined with ACE Inhibitors or Thiazide Diuretics in the presence of decreased renal function. A mandatory 3-hour separation is required when co-administering the Allopurinol component with Aluminium Hydroxide.

Mechanism of Action

Targeting Purine Metabolism to Suppress Uric Acid Production

This core mechanistic domain is governed by Allopurinol, which acts through its metabolite, oxypurinol, to inhibit the Xanthine Oxidase ( XO) enzyme. By blocking this key enzyme in the purine catabolism pathway, the drug interrupts the synthesis of uric acid, resulting in a reduction in the endogenous production rate and contributing to a lower systemic urate load.


Modulating Renal Transporters to Affect Clearance

The second mechanistic domain is driven by Benzbromarone, which engages the Urate Anion Transporter 1 ( URAT1) protein in the kidneys. By competitively blocking this specific transporter, the drug prevents the reabsorption of filtered uric acid back into the bloodstream. This modulation of renal transport increases the rate of uric acid excretion, resulting in a uricosuric effect that contributes to the clearance of the systemic UA pool.


Coordinated Dual-Action on Urate Homeostasis

The overall physiological effect is achieved through a complementary dual-action mechanism that operates simultaneously on the two distinct control points for uric acid: production (via XO inhibition) and elimination (via URAT1 blockade). This coordinated strategy addresses the urate load from both the input and output sides, resulting in a state of hypouricemia, which constitutes the resulting physiological effect.

Dosage and Administration Information

How to Use Алломарон

Алломарон is an oral, fixed-dose combination medicine used for the continuous, long-term management of chronic hyperuricemia. The official labeled use is dictated by a specific administration schedule and critical procedural conditions necessary for proper use.


Administration Scope and Dosing

This medication is administered orally as a fixed-dose combination tablet. The standard adult regimen requires taking one tablet once daily, which typically contains Allopurinol 100 mg and Benzbromarone 20 mg.


Procedural Instructions and Constraints

Timing: The tablet is generally taken after a meal to improve gastrointestinal tolerance. In addition, treatment requires the maintenance of an adequate daily fluid intake to support the elimination of uric acid, a key function of the uricosuric component.

Initiation: When initiating therapy, a prophylactic agent (such as colchicine) is often co-administered for the first three to six months. This procedural step is standard practice for urate-lowering therapy to manage the potential for initial flares that occur as urate levels begin to shift.

Special Populations: The fixed-dose regimen must be used with caution and potential dose adjustments in patients with renal impairment. Prescribing principles require that the dosage should be adapted for the Allopurinol component, often involving a reduction in dose or extending the dosing interval to account for reduced kidney function. Close monitoring is also necessary for patients with hepatic impairment.

Recent Clinical Evidence

Research evidence / Overview of studies for Алломарон

Evidence for Managing Hyperuricemia Uncontrolled by Monotherapy

Алломарон is a combination therapy that was studied in research exploring the long-term presence of elevated uric acid levels, a condition often associated with gout. Research has explored this combination especially in conditions characterized by fluctuating or episodic manifestations; trials included populations whose serum urate levels were not adequately stabilized by a single-agent treatment, such as allopurinol.

The core research includes Randomized Controlled Trials (RCTs) designed to compare the dual-action combination therapy against single-agent treatments. These studies explored the level of uric acid in the blood, which is the key biomarker outcome monitored in research. Findings from these trials and meta-analyses reported measurements of this biomarker, describing how patients' uric acid levels evolved during the observed study periods.

Outcomes Measured in Clinical Trials

Clinical trials related to this combination therapy was studied for endpoints beyond just blood chemistry. Studies examined outcomes reflecting daily functioning or activity level, with research focusing on the frequency of acute episodes. Research describes changes measured in these clinical symptoms during the study period, and these studies contribute to the broader evidence landscape. Studies monitored patterns related to the presence of urate deposits; documented changes were observed in some studied populations, though follow-up durations were limited in some trials for assessing long-term resolution.

Evidence in Populations with Specific Health Conditions

Some studies have been applied in research contexts involving patients with specific renal function thresholds, meaning those with a degree of Chronic Kidney Disease (CKD). These studies evaluated hyperuricemia and gout in patients where outcomes related to physiological strain or stress on the kidneys were a key consideration. However, results apply only to the populations studied, and the evidence for certain groups remains limited.

Long-term Studies and Durability of Response

Research has explored patterns of urate control over defined time intervals using observational studies that extend well beyond the typical short-term duration of initial RCTs. These studies were evaluated in large cohorts of patients using urate-lowering medications to examine outcomes related to systemic or functional imbalance over time. Long-term effects are not fully established and the data are still emerging from real-world evidence and ongoing research.

What is Still Uncertain About Алломарон Research

Despite the existing body of research, long-term effects are not fully established for all composite clinical endpoints. Follow-up durations were limited in many controlled trials, and the development of chronic conditions is primarily tracked through less controlled real-world data. Subgroup findings are uncertain due to modest sample sizes, and research provides context but not individual predictions, highlighting what is known—and what is still uncertain—about the full spectrum of outcomes for this combination therapy.

Key Studies & References

  1. Hyperuricemia Treatment and Management (NCBI Books)

Frequently Asked Questions (FAQ)

Common questions about Алломарон (FAQ)


Q: How quickly can someone generally expect to notice the effects of Алломарон?

A: Studies and official information indicate that the primary therapeutic goal of lowering serum uric acid (sUA) levels is typically measured over the course of several weeks (such as 4 to 6 weeks) after starting treatment. This medicine is intended for long-term, continuous management of chronic hyperuricemia, not for the immediate relief of acute symptoms.


Q: Do you have to take Алломарон forever, or is it a short-term treatment?

A: Official prescribing information describes the use of this medicine as continuous, long-term management for chronic hyperuricemia (elevated uric acid). The treatment is generally intended to maintain stable, low serum uric acid levels over an extended period.


Q: What happens if a dose of Алломарон is missed?

A: According to official patient information, if a dose is occasionally forgotten, there is no requirement to double the dose at the next scheduled time. A standard practice described in patient information is to resume the normal once-daily schedule the following day.


Q: Does taking Алломарон with food change how it works?

A: The tablet is generally advised to be taken after a meal. This is primarily to help improve gastrointestinal tolerance and reduce the chance of stomach upset. Taking the medicine with food is not expected to compromise its overall effectiveness in treating hyperuricemia.


Q: Are there any known interactions between Алломарон and common pain relievers?

A: Regulatory sources advise that the uricosuric component (Benzbromarone) may have its effectiveness decreased when co-administered with high-dose Salicylates (a type of pain reliever). Regulatory documents do not specifically list non-steroidal anti-inflammatory medicines (NSAIDs) as restricted interactions, although interactions must always be reviewed individually.


Q: Can you take Алломарон if you have high blood pressure?

A: The official interactions section notes that there is an increased risk of hypersensitivity reactions (severe allergic-type reactions) when the Allopurinol component is combined with certain medicines often used for high blood pressure, specifically ACE Inhibitors or Thiazide Diuretics. This risk is particularly noted in patients who also have reduced kidney function.


Q: What should be done if an unusual side effect is noticed while taking Алломарон?

A: Official patient instructions specify that if signs of a severe reaction are noticed, such as a skin rash, fever, or painful urination, the medication's use is advised to be stopped immediately, and urgent medical attention should be sought.


Q: Why is Алломарон sometimes prescribed when other similar drugs haven't worked?

A: The drug is officially recognized for use in patients whose elevated uric acid levels are not adequately stabilized by monotherapy (treatment with a single agent, such as Allopurinol alone). Its dual-action mechanism is designed to provide a complementary strategy by simultaneously addressing both the production and the elimination of uric acid.


Q: Can older people or seniors use Алломарон safely?

A: While there is no specific restriction based purely on age, use in the elderly often requires careful consideration. This is due to the higher likelihood of impaired kidney or liver function in this population, conditions which officially necessitate close monitoring and potential dose adjustment for the Allopurinol component.


Q: Are there any specific lifestyle changes that help Алломарон work better?

A: The official administration instructions specify the need to maintain an adequate daily fluid intake (e.g., around 2 liters per day). This is required to support the increased elimination of uric acid by the kidneys, which is a key function of the medication.


Q: What are the rules regarding driving or operating machinery while on Алломарон?

A: Some potential adverse effects listed in regulatory documents, such as drowsiness or dizziness, may potentially affect the ability to drive or operate machinery. Individuals using this medication are generally advised to be aware of these possible effects before performing activities that require full attention.


Q: Can children or adolescents use Алломарон?

A: Official product information states that use in children is rarely indicated for this medicine. It is generally restricted to treating specific serious medical conditions, such as certain enzyme disorders or hyperuricemia related to malignant disease.


Q: Can a person stop taking Алломарон suddenly, or does the dose need to be reduced slowly?

A: Abruptly stopping urate-lowering therapy is not generally recommended as it can potentially lead to a rebound increase in uric acid levels and gout flares. If discontinuation is required, the dose is typically adjusted gradually, usually under professional guidance.


Q: What is the maximum duration of treatment with Алломарон according to guidelines?

A: The medicine is officially intended for the continuous, long-term management of chronic elevated uric acid levels. No specific maximum duration is defined in regulatory documents, as the goal is to maintain stable uric acid control.


Q: Why do some people say they felt worse when they first started taking Алломарон?

A: When initiating urate-lowering therapy, there is a recognized potential for initial gout flares (attacks) as uric acid levels begin to shift in the body. To manage this potential risk, official practice often includes co-administering a prophylactic agent (like colchicine) for the first three to six months.


Q: Are there different forms of Алломарон available (e.g., tablet, liquid)?

A: The product is supplied as an oral, fixed-dose combination tablet. Standard regulatory documentation does not describe other forms, such as liquid or capsules.


Q: What kind of monitoring (like blood tests) is sometimes needed while on Алломарон?

A: Regulatory guidance advises periodic monitoring of laboratory parameters. This typically includes blood tests to check serum uric acid levels (for efficacy), as well as to assess renal function and liver function (for safety), particularly during the initial phase of treatment.


Q: Does Алломарон affect sleep patterns?

A: Official documents do not directly list changes to sleep patterns as a common side effect. However, the medicine is known to have some potential central nervous system effects (like drowsiness or dizziness), which can vary by patient.


Q: Can people with kidney problems use Алломарон?

A: Patients with impaired kidney function may use the medicine, but this requires close monitoring. Regulatory documents note that the prescribing principle requires the dose of the Allopurinol component to be adapted or reduced based on the individual's kidney function to account for reduced elimination.


Q: How long does the effect of a single dose of Алломарон typically last?

A: The drug is prescribed for a once-daily schedule because the active metabolite of the Allopurinol component, oxypurinol, has a long elimination half-life of approximately 23 hours. This is why the therapeutic effect is sustained over a full 24-hour period.


Q: Why is Алломарон sometimes prescribed at different doses for different patients?

A: The most common reason for a dose difference is the formal requirement for dose adjustment in patients with impaired kidney function. The dose of the Allopurinol component is required to be adapted or reduced in these cases, based on the patient's degree of kidney function, according to regulatory guidelines.


Q: Does Алломарон cause stomach upset or digestive issues?

A: Official documentation lists nausea and diarrhoea as common adverse reactions for the medication. For this reason, taking the tablet after a meal is often recommended to help improve gastrointestinal tolerance.


Q: Is the research on Алломарон ongoing, or are all the studies complete?

A: Official research summaries indicate that while many controlled trials have concluded, data on the long-term effects of the combination therapy is still emerging from real-world evidence and observational studies, suggesting ongoing evaluation of the drug’s full profile.


Q: Are there official recommendations about what to do if a side effect occurs?

A: Official patient information directs that for severe reactions (like skin rash, fever, or signs of liver injury), the drug should be stopped immediately, and urgent medical attention should be sought. For side effects that are not considered severe, the official guidance often suggests monitoring and reviewing the symptoms with a healthcare professional.


Q: Does Алломарон affect fertility?

A: Based on the available evidence for its active components, there is no official evidence documented to suggest that taking the medicine reduces fertility in either men or women.

How should Алломарон be stored and disposed of?

Official Storage and Disposal Requirements

Storage and disposal requirements for Алломарон (Allopurinol/Benzbromarone) are officially documented to maintain product stability and ensure public safety.

Requirement Area Regulatory Instruction
Temperature & Environment Store at Controlled Room Temperature, typically not exceeding 25°C or 30°C; keep in a dry place and away from excess moisture.
Container & Integrity Keep the medicine in its original container or blister pack and use only before the expiry date.
Child Safety Must be stored out of the sight and reach of children.
Disposal Do not dispose of unused or expired tablets in household waste or wastewater (down the sink or toilet).
Waste Handling Return all unused or expired product to a pharmacist or an authorized drug take-back collection point for proper pharmaceutical waste disposal.

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

Available in countries:

Equivalent of Алломарон found in:

A-Z Index: