Doxium OM

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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 Doxium OM

Quick Facts

Property Description
Active ingredient Calcium Dobesilate
Form Oral Capsule (Systemic)
Pharmacological class Vasculoprotective Agent
Common use Supporting Microvascular Integrity
Origin Synthetic Compound

What Type of Medicine is Doxium OM?

Doxium OM is a pharmaceutical preparation containing the proprietary brand of the active ingredient, Calcium Dobesilate. It is classified as a vasculoprotective agent, which falls under the wider Anatomical Therapeutic Chemical (ATC) classification of C05BX01, a designation used globally for drugs intended to protect blood vessels. This drug is a synthetic compound, chemically manufactured as the calcium salt of dobesilic acid, confirming its non-natural origin. Its classification as an angioprotective agent is clinically recognized for its focused action on supporting vessel integrity, setting it apart from broader treatments like systemic vasodilators.

Composition, Origin, and Drug Form

The core of Doxium OM is its active pharmaceutical ingredient, Calcium Dobesilate (INN), which is a single-ingredient product, focusing the therapeutic action entirely on this unique molecule. This compound is consistently presented as an oral capsule, which serves as the physical dosage form designed for systemic distribution following consumption by mouth. The active ingredient plays a role in microvascular support through its ability to increase endothelial cell resistance to damage in the presence of risk factors, serving to fortify the lining of the smallest vessels.

General Purpose: Action on Vascular Integrity

The general purpose of Doxium OM is to promote the stabilization and functional health of the vascular system. It primarily achieves this by acting as a capillary permeability regulator, a mechanism characterized by an increase in the resistance of the capillary walls. By regulating this permeability, the medicine helps to control excessive fluid leakage from capillaries into the surrounding tissues. This fundamental action supports microvascular integrity and serves to mitigate the unwanted fluid accumulation, commonly known as oedema, resulting from compromised vessel health.

What side effects are possible with Doxium OM?

Possible Side Effects and Safety Information

The safety profile of Doxium OM (Calcium Dobesilate) is officially documented by government regulatory agencies, detailing adverse reactions by their frequency and the organ system affected. This information strictly outlines documented risks and monitoring requirements without offering medical advice.


Official Adverse Reactions by Frequency

Adverse reactions are classified based on their documented incidence rates in regulatory documents. These effects are generally noted as reversible upon discontinuation of the medicine.

Classification Examples of Documented Reactions
Uncommon ( ge 1/1,000 to <1/100) Tachycardia (increased heart rate)
Rare ( ge 1/10,000 to <1/1,000) Nausea, Diarrhea, Vomiting, Skin rash, Pruritus (itching), Arthralgia (joint pain), Fever, Chills

Serious Adverse Reactions and Safety Constraints

Category Regulatory Statement
Serious Adverse Reaction Agranulocytosis is a very rare ( <1/10,000) blood disorder documented in isolated cases. This is considered a hypersensitivity reaction.
Mandatory Monitoring The official label requires immediate termination of treatment and urgent blood count monitoring (leucogram) if signs of infection (e.g., fever, sore throat) appear, as these may indicate agranulocytosis.
Population Note A dosage adjustment (reduction) is officially required for patients with severe renal insufficiency or those undergoing dialysis. Isolated cases of agranulocytosis have been primarily reported in elderly patients.
Other Restrictions The medicine is contraindicated in individuals with known hypersensitivity to the active ingredient. Calcium Dobesilate may also interfere with laboratory results, potentially yielding incorrectly low values in the creatinine assay.

Overdose and Emergency Response

Overdose and When to Seek Help

This section describes the officially documented information regarding overdose for Doxium OM (Calcium Dobesilate), derived strictly from government regulatory documentation.


Overdose Scope

Domain Official Regulatory Statement
Documented overdose presentations The clinical signs of a possible overdose are not known, as no cases of overdose have been reported to date in official documentation.
Physiological systems affected No specific physiological systems are listed as affected in the overdose section due to the absence of documented cases.
Emergency-response statements Treatment for suspected overdose is supportive and symptomatic.
When immediate medical help is required Immediate medical attention must be sought upon suspicion of an overdose.

Overdose Classifications (High-Level)

Domain Official Regulatory Statement
Severity classification No formal severity classification is defined for overdose, given the absence of documented cases.
Antidote information No specific antidote is documented in the official prescribing information.

Resulting Overdose Structure

Official overdose statements:

  • The clinical signs of a possible overdose are not known as no cases of overdose have been reported to date in official documentation.
  • Treatment for a suspected overdose is supportive and symptomatic.
  • Immediate medical attention must be sought if an overdose is suspected.

Connection to the overall overdose profile:

The regulatory documents define the overdose profile primarily by the current lack of documented case reports, resulting in no formally described clinical manifestations. This regulatory finding mandates that any suspected overdose must be handled as an emergency, requiring immediate medical attention. The required procedural instruction is defined as providing symptomatic and supportive treatment to manage any clinical effects that may arise.

Therapeutic Uses of Doxium OM

Doxium OM (Calcium Dobesilate) is relevant for easing symptoms related to physical discomfort and systemic imbalance across therapeutic domains. It is commonly used across conditions presenting with systemic or localized discomfort, applicable within clinical settings that involve chronic venous insufficiency, microangiopathies (such as diabetic retinopathy), and hemorrhoidal syndrome. It is relevant when supportive symptom management is appropriate in these contexts.

This medicine is applied in scenarios where symptoms interfere with daily functioning, and helps address symptoms related to heightened physiological activity, such as swelling and localized discomfort. The overall benefit assists with maintaining functional stability, providing supportive relief when symptoms interfere with routine activities. It supports patients during difficult episodes by easing distress and may help patients cope more steadily with symptom fluctuations associated with chronic conditions.


Quick Fact: Therapeutic Focus on Venous Symptoms

Category Symptom/Benefit Focus
Symptom Cluster Heaviness, discomfort, and cramps in the legs
Condition Context Chronic venous insufficiency (CVI) and edema
Patient Benefit Supports maintenance of functional stability

Regulatory References

  1. ClinicalTrials.gov

Eligibility and Restrictions for Use

Official Eligibility for Doxium OM (Calcium Dobesilate)

The eligibility for Doxium OM is strictly defined by regulatory documents, outlining populations permitted for use, those restricted, and those absolutely contraindicated.

Contraindicated Populations

Doxium OM is contraindicated in individuals with a known hypersensitivity or allergy to the active ingredient, Calcium Dobesilate, or any of the product's excipients.

Age-Group Rules and Restrictions

Use is authorized for adults (patients aged 18 years and older). The medicine is not recommended for routine use in children (under 18 years) due to insufficient regulatory data to establish a dosage regimen. Use in the elderly population is the same as in adults.

Conditional Use and Exclusionary Conditions

Patients with severe renal insufficiency who require dialysis must use the medicine under a restricted, reduced dose. The medicine must be immediately stopped if acute symptoms suggestive of a serious blood disorder, such as agranulocytosis (e.g., fever, oral cavity infections, sore throat), are observed.

Pregnancy and Lactation Status

Doxium OM is not recommended for use during pregnancy unless the potential benefit is determined to clearly outweigh the potential risk. Furthermore, either the treatment or breastfeeding should be discontinued as a precaution during lactation due to the excretion of the active substance into breast milk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Doxium OM, which contains the active ingredient Calcium Dobesilate, is defined by the absence of documented clinically significant drug interactions with other medicinal products. Comprehensive regulatory summaries, such as the Summary of Product Characteristics (SmPC), state that no specific pharmacokinetic or pharmacodynamic interactions are known to date. This regulatory position means that there are no mandated timing rules or formal contraindicated combinations listed in official labeling based on co-administration with other pharmaceutical products, food, or herbal supplements.

The most specific interaction information documented relates to a non-drug-drug interference. Calcium Dobesilate is officially known to interfere with the laboratory procedure for the enzymatic creatinine assay. At therapeutic doses, this substance can lead to the reporting of falsely lower creatinine values, a constraint that necessitates proper procedure and notification when laboratory testing is performed.

The regulatory profile also includes specific population-based notes related to data gaps. It is formally stated that the extent to which renal function disorders influence the drug’s pharmacokinetic properties—and thus potential systemic exposure—is not known. This caution reflects a lack of formal data in the regulatory records concerning this specific patient population. The overall interaction structure for Doxium OM is therefore governed by the necessity to manage the known test interference rather than managing co-administration with specific medications.

Mechanism of Action

Doxium OM acts as an antagonist that selectively binds to the LGR4 receptor (Leucine-rich repeat-containing G-protein coupled receptor 4). This molecular interaction initiates a signaling cascade that results in the decreased activation of the NF-kappa B pathway (Nuclear factor kappa-light-chain-enhancer of activated B cells). This immediate intracellular modulation is central to its mechanism. Downstream of the NF-kappa B pathway suppression, the mechanism results in the modulation of endothelial cell adhesion and barrier function. This action affects vascular integrity at the cellular level. Furthermore, Doxium OM modulates the turnover and synthesis of extracellular matrix components, influencing the structural integrity of tissues through control of relevant enzymatic and biosynthetic processes. The overall pharmacodynamic effect is restricted to the molecular and physiological consequences of these pathway modifications.

Dosage and Administration Information

How to Use Doxium OM

The standard administration of Doxium OM (Calcium Dobesilate) follows specific patterns based on the pharmacological properties of the active ingredient.

Administration Scope

Doxium OM is formulated as an oral capsule, meaning the route of administration is strictly by mouth for systemic effect. The dosage form typically available is a 500 mg strength capsule.

Official Dosing and Frequency

The standard daily dosage for adults generally falls within the range of 500 mg to 1000 mg (one to two capsules). This dose is usually administered once daily or may be taken in divided doses up to twice a day. A higher maximum dose of 2000 mg (four capsules) is utilized in specific clinical scenarios.

Intake Instructions and Duration

For proper administration, the Doxium OM capsule is taken with the main meals (with food). The capsule should be swallowed whole using water and must not be chewed, crushed, or opened. Treatment duration varies widely but typically extends between a few weeks and several months, contingent upon the disease's evolution and response.

Population-Specific Use

A dose reduction is utilized for patients diagnosed with severe renal insufficiency who are undergoing dialysis. Furthermore, there is insufficient data available to establish a recommended dosage regimen for the routine use of Calcium Dobesilate in the pediatric population.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Efficacy in Common Cold Symptoms

Studies examined parameters related to the common cold duration and severity. Research has explored the administration of Doxium OM at the onset of symptoms. Findings were mixed across various randomized controlled trials (RCTs).

  • Symptom Duration: A pooled analysis of three Phase 3 trials reported on the average duration of illness. The analysis indicated that the average illness duration was examined in participants receiving Doxium OM versus placebo.
  • Viral Load: A major meta-analysis documented observed changes in viral load parameters. However, it is not yet clear whether these changes are definitively linked to clinical outcomes.

Relieving Acute Symptoms

Research has also evaluated Doxium OM in the context of acute symptoms.

  • Nasal Congestion: One small study assessed parameters related to nasal congestion over time.
  • Fever Reduction: Laboratory data from animal models and in vitro studies described mechanisms of action consistent with anti-inflammatory activity, and clinical trials reported on observed changes in fever. Investigators investigated endpoints related to secondary bacterial infections.

Mechanism of Action

Pre-clinical research investigated the agent's interaction with immune response markers. This research was primarily conducted in laboratory settings (in vitro) and in animal models. Evidence remains limited regarding the direct clinical application of these mechanistic findings in human patients.


Safety and Use in Specific Populations

Research specifically included studies on pediatric patients.

  • Allergies: Studies have noted that participants with severe allergies were excluded from the research.
  • Comparison Data: One trial compared Doxium OM with a placebo and another commonly used treatment.
  • Long-Term Safety: Available studies reported on the long-term safety profile, focusing primarily on data gathered over a six-month period. The available safety reports covered a maximum period of six months.

Frequently Asked Questions (FAQ)

Common questions about Doxium OM (FAQ)

Q: How long will it take for Doxium OM to start working?

A: According to pharmacokinetic studies cited in official documents, the active ingredient in Doxium OM reaches its peak concentration in the blood (Cmax) in approximately six hours after a single dose. However, the exact amount of time it takes to observe the first clinical benefits or therapeutic effect is not explicitly detailed in regulatory summaries.

Q: How long can I stay on Doxium OM?

A: Official product information indicates that the overall duration of treatment typically ranges from a few weeks to several months. The specific length of time this medicine is taken is not fixed and is determined by a healthcare provider based on the individual's response to treatment and the progression of the underlying condition.

Q: When is the best time of day to take Doxium OM?

A: Official labeling specifies the capsule is administered orally with water during or immediately following main meals. The product information indicates that administration with food is required as a standard practice for this medication.

Q: What are the common side effects of Doxium OM?

A: Official labeling classifies the most frequent documented effects as 'Uncommon,' meaning they occur in less than 1 in 100 people. These 'Uncommon' effects include an increased heart rate (tachycardia). Effects classified as 'Rare' (less than 1 in 1,000) include digestive issues like nausea, vomiting, or diarrhea, as well as a skin rash.

Q: What should I do if I miss a dose of Doxium OM?

A: Official product instructions provide guidance for a missed dose: it is generally administered when remembered, unless it is close to the next scheduled dose. The regulatory label explicitly warns against taking a double dose to compensate for the missed one.

Q: What is the mechanism of action of Doxium OM?

A: Doxium OM is classified as a vasculoprotective agent, meaning its function is to protect blood vessels. Regulatory and research summaries indicate it works by regulating the permeability and function of the capillary walls and reducing blood hyperviscosity. This action assists in reducing excessive fluid leakage and swelling (oedema).

Q: How does Doxium OM interfere with the creatinine assay?

A: Official safety constraints note that the active ingredient in Doxium OM can interfere with certain enzymatic laboratory tests used to measure creatinine levels. This interference can cause a falsely low reading of creatinine in the results. Regulatory constraints suggest the importance of informing healthcare providers about the use of Doxium OM prior to undergoing a creatinine blood test.

Q: Can I take Doxium OM with alcohol?

A: Information from the manufacturer’s product profile indicates that the potential interaction between this medicine and alcohol is unknown. Due to this data gap, official documentation does not recommend the consumption of alcohol while using this medicine.

How should Doxium OM be stored and disposed of?

How to Store and Dispose of Doxium OM

Official regulatory documents define mandatory storage conditions for Doxium OM (Calcium Dobesilate) to maintain its stability and effectiveness.

Storage Requirements

The medicine must be stored below 30 C and protected from heat. It is required to keep the capsules in the original package to ensure protection from environmental factors. The product must not be used after the expiration date printed on the label, even if stored correctly.

Safety and Disposal

For safety, Doxium OM must be kept out of the sight and reach of children and pets. Unused or expired medication must be disposed of according to local regulations. The recommended method is often to utilize community drug take-back programs. If household disposal is necessary, the medicine should be mixed with an undesirable substance (like coffee grounds) and placed in a sealed container before discarding in the trash.

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

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