Dafomin

Quick links to important sections

Dafomin

Method of action: Angioprotective, Venotonic

Treatment option:

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 Dafomin

What is Dafomin? Overview

Property Description
Active Ingredient Diosmin and Hesperidin (micronized)
Form Oral film-coated tablet
Pharmacological Class Venotonic and Vasculoprotective Agent
Common Use Managing symptoms of chronic venous insufficiency
Origin Plant-derived (citrus) bioflavonoids

What Type of Medicine is Dafomin?

Dafomin is a medication classified as a venotonic and vasculoprotective agent, primarily supporting the health and tone of veins and capillaries. It belongs to the pharmacological class of bioflavonoids, compounds known to exert beneficial effects on the blood vessels. This combination of active substances is characterized by a well-established medicinal use. The medicine is clinically recognized for its role in maintaining circulatory health and addressing symptoms of venous disease.

Is Dafomin Natural or Synthetic in Origin?

The active ingredients in Dafomin are Diosmin and Hesperidin, which originate as natural plant extracts from citrus fruits. To ensure consistent potency and absorption, these natural compounds undergo a highly controlled micronization and purification process. This specialized processing drastically reduces the particle size, a critical differentiating factor that enhances the medicine's bioavailability. Micronization is utilized to provide improved absorption compared to non-micronized forms. This preparation method ensures the medicine works effectively inside the body.

Why Do Doctors Recommend Dafomin?

Doctors recommend Dafomin to address the underlying issues of poor vein health, such as in a common scenario where a patient experiences leg pain and swelling after prolonged standing. Its general therapeutic goal is to improve venous tone and microcirculation, helping blood flow more efficiently and strengthening the walls of small blood vessels. This action works to alleviate common symptoms like edema (swelling), the feeling of heavy legs, and overall discomfort associated with chronic venous problems. This pharmacological approach focuses on the application of venotonic agents to improve patient quality of life.

What side effects are possible with Dafomin?

Possible Side Effects and Safety Information for Dafomin

The safety profile of Dafomin (micronized purified flavonoid fraction, MPFF) is primarily based on regulatory documentation from authorities such as the European Medicines Agency (EMA).

Documented Adverse Reactions

The most frequently reported adverse reactions are generally mild and related to Gastrointestinal disorders.

Frequency Classification System-Organ Class Examples of Reported Reactions
Common (1/100 to <1/10) Gastrointestinal disorders Diarrhea, dyspepsia, nausea, vomiting
Uncommon (1/1,000 to <1/100) Gastrointestinal disorders Colitis
Rare (1/10,000 to <1/1,000) Nervous system disorders Dizziness, headache, malaise
Rare (1/10,000 to <1/1,000) Skin and subcutaneous tissue disorders Rash, pruritus (itching), urticaria (hives)
Frequency Not Known Gastrointestinal, Skin Abdominal pain, isolated face/lip/eyelid edema, and exceptionally, Quincke's edema (rapid, serious swelling)

Safety Considerations and Restrictions

  • Serious Adverse Reactions: The occurrence of Quincke's edema (angioedema), a rapid swelling of tissues such as the face, lips, mouth, tongue, or throat that may result in breathing difficulty, is documented as an exceptional event (frequency not known).
  • Hypersensitivity: The product is contraindicated in individuals with known hypersensitivity to the active substance or any of its excipients.
  • Pregnancy and Breast-feeding: As a precautionary measure, the use of Dafomin is preferably avoided during pregnancy due to limited data. For breast-feeding, it is unknown if the active substance/metabolites are excreted in human milk, and a risk to newborns/infants cannot be excluded.
  • Pediatric Use: Safety and efficacy have not been established in children and adolescents under 18 years of age.
  • Driving and Machinery: The product has no or negligible influence on the ability to drive and use machines.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Dafomin overdose focuses on documented symptoms and required immediate actions, based on available post-marketing and clinical experience. Regulatory authorities note that there is limited experience with overdose of this specific combination.

Overdose Scope Official Regulatory Statement
Documented Overdose Manifestations The adverse events most frequently reported in cases of over-ingestion are generally restricted to the gastrointestinal system (such as diarrhea, nausea, vomiting, or abdominal pain) and various skin events (such as rash or pruritus).
Physiological Systems Affected Gastrointestinal system and skin. Over-ingestion is generally documented as a scenario that can make known side effects worse.
Emergency-Response Statements Management of overdose should consist exclusively of the treatment of clinical symptoms. No specific antidote is listed in the official prescribing information.
Overdose Classifications (High-Level) Regulatory Statement
When Immediate Medical Help is Required Consult your doctor or pharmacist immediately if you have taken more than the dosage recommended for you, or seek medical attention immediately at the first sign of any severe or unexpected adverse drug reaction.

Connection to the Overall Overdose Profile

The regulatory documentation defines the overdose profile primarily by its known, non-life-threatening symptom cluster, which involves the gastrointestinal and cutaneous systems. This official profile mandates an immediate consultation with a healthcare professional following any over-ingestion scenario to address the symptoms. The required intervention is strictly supportive and symptomatic care, as specifically defined within the regulatory emergency-response sections.

Therapeutic Uses of Dafomin

What Dafomin treats: main uses and benefits

Dafomin is a medication primarily used to manage symptoms and complications associated with chronic venous insufficiency and acute hemorrhoidal episodes. It belongs to a class of medicines known as capillary stabilizing agents, which work by influencing the vascular system to improve blood flow and strengthen blood vessel walls.

Chronic Venous Insufficiency (CVI)

The primary therapeutic use of Dafomin is for the treatment of chronic venous insufficiency in the lower limbs. This condition occurs when the veins in the legs have difficulty sending blood back to the heart, often due to weakened vein walls or damaged valves. Dafomin is used to address the following symptoms:

  • Heavy and Aching Legs: Relieving the sensation of heaviness, tension, and pain often felt in the legs, particularly after standing or sitting for long periods.
  • Leg Swelling (Edema): Reducing the accumulation of fluid in the lower legs and ankles.
  • Nighttime Cramps: Assisting in the management of nocturnal cramps associated with venous circulation issues.
  • Trophic Changes: Helping to manage skin alterations that can occur as a result of long-term poor circulation.

Hemorrhoidal Disease

Dafomin is also indicated for the symptomatic treatment of hemorrhoids. It addresses the vascular components of the condition by improving venous tone and reducing the permeability of small blood vessels (capillaries).

  • Acute Hemorrhoidal Attacks: It is used to provide relief from the pain, swelling, and inflammation during acute flare-ups.
  • Chronic Hemorrhoidal Symptoms: It can be used as part of a long-term management strategy to reduce the frequency and severity of discomfort associated with chronic hemorrhoidal disease.

Mechanism of Action and Benefits

The therapeutic benefits of Dafomin are derived from its ability to interact with the circulatory system on several levels:

  • Venous Tone: It increases the tonicity of the vein walls, which helps the veins pump blood more efficiently toward the heart and reduces venous stasis (pooling of blood).
  • Microcirculation Protection: It enhances the resistance of small capillaries and reduces their permeability. This prevents excessive fluid from leaking into the surrounding tissues, thereby reducing swelling.
  • Lymphatic Drainage: It assists in improving lymphatic flow, which further aids in the removal of interstitial fluid and reduces edema.

Eligibility and Restrictions for Use

This section outlines the official eligibility and non-eligibility information for Dafomin (Micronized Purified Flavonoid Fraction, containing Diosmin and Hesperidin) as defined in authoritative governmental regulatory documents, such as the Summary of Product Characteristics (SmPC).

Contraindicated Populations

Dafomin must not be used by individuals with a hypersensitivity (allergy) to the active substance or to any of the excipients used in the product’s composition.

Conditional Use and Exclusion

Population/Condition Regulatory Status (Official Statement)
Pregnancy Preferable to avoid as a precautionary measure due to limited or absent data from use in pregnant women.
Breastfeeding Preferable to avoid while undergoing treatment, as it is unknown whether the active substance or its metabolites are excreted in human milk.
Children and Adolescents (under 18 years) Safety and efficacy have not been established; the product is intended for use in adults only.

Eligibility-Related Restrictions

Use is formally restricted to adults who are not hypersensitive to the components of the medicine. The official documentation defines clear limitations for the use of Dafomin in patients under 18 and in women who are pregnant or breastfeeding due to the lack of sufficient safety and efficacy data.

What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Dafomin

Interaction scope

Category Official Regulatory Status (Based on Governmental Documents)
Medicinal product categories with documented interactions None documented. Official labels do not list any medicinal product categories as having a clinically relevant interaction.
Specific interacting medicines (if explicitly listed) None explicitly listed. No specific drugs are cited in the official interaction sections of regulatory documents.
Mechanistic basis of interactions (only if stated in label) None documented. Regulatory sources confirm that no formal interaction studies have been performed to evaluate pharmacokinetic or pharmacodynamic effects.
Timing-based interaction rules (if applicable) None documented. Official labels do not impose mandatory time separation requirements for interaction prevention.
Population-specific interaction notes (if applicable) None documented. No specific notes or cautions regarding increased interaction severity in any population are present in the labels.
Interaction-related restrictions None documented. There are no formal "do-not-combine" rules or restrictions based on interaction risk cited in the regulatory information.

Interaction classifications (high-level)

Category Official Regulatory Status (Based on Governmental Documents)
Interaction severity classification (as defined in official documents) Not classified as interacting. No interactions are formally classified as contraindicated, severe, or clinically significant.
Regulatory basis (EMA / FDA / etc.) Consistent across multiple national and regional regulatory authorities.
Interaction-context constraints (as defined in official documents) None documented. No specific conditions or contexts are cited as heightening interaction relevance.

Resulting interaction structure

Official interaction statements:

  • No interaction studies have been formally performed to assess potential drug-drug interactions with Dafomin.
  • No clinically relevant drug interaction has been reported to date from post-marketing experience with the product.
  • The product is not officially known to be involved in pharmacokinetic or pharmacodynamic interactions.
  • No mandatory restrictions are cited in the regulatory labels for co-administration with food, alcohol, or herbal products for interaction prevention.

Connection to the overall interaction profile (2–4 sentences): The official interaction profile for Dafomin is defined by the consistent statement across global regulatory documents that no documented interactions have been reported since its marketing. This means the governmental labels do not identify specific interacting medicines, classify any substance as contraindicated due to interaction risk, or specify any substances that increase or reduce drug exposure. The regulatory status thus establishes the absence of known interaction constraints.

Mechanism of Action

How Dafomin Works: Mechanism of Action


Targeted Modulation of alpha-Receptor Sub-systems

Dafomin initiates its action by selectively engaging with defined alpha-receptor sub-systems in neural and peripheral pathways. This molecular interaction modifies receptor activity, affecting the subsequent transmission or reduction of signaling at the cellular level.


Dampening of Intracellular Signaling Cascades

The drug's activity extends to the downstream second-messenger cascades triggered by its primary receptor target. By modulating these molecular sequences, Dafomin limits the amplification of overactive signals, influencing intracellular signaling dynamics.


Modulation of Autonomic Pathway Activity

By combining its targeted receptor engagement and subsequent signaling modulation, Dafomin influences activity patterns within key autonomic pathways. This mechanistic effect involves modification of a physiological response and influences the concentration or activity of specific signaling mediators.

Dosage and Administration Information

Administration Principles

Dafomin is an oral medication administered as a film-coated tablet, with the usage pattern defined by the specific condition being addressed. The general principle for administration is the divided daily dose, with the tablets typically scheduled to be taken at mealtimes with a glass of water.


Dosing Regimens and Frequency

The dose structure varies significantly based on the context of use, defining either a long-term maintenance approach or a fixed, short-term course.

Use Context Standard Dosing Regimen Frequency & Duration
Chronic Venous Insufficiency (CVI) 1000 mg daily (two 500 mg tablets). Administered in two divided doses (midday and evening) as part of a long-term plan.
Acute Hemorrhoidal Episodes 3000 mg daily for the first 4 days, followed by 2000 mg daily for the next 3 days. Administered in divided doses throughout the day for a fixed seven-day course.

Procedural Constraints

The instructions emphasize the importance of consistent use and adherence to the prescribed pattern. If a dose is missed, patients are instructed not to take a double dose to compensate, but rather to continue with the regular schedule. Furthermore, the safety and efficacy of Dafomin have not been established for use in children and adolescents under 18 years of age. These rules structure the correct procedural sequence for administering the medicine.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Dafomin

Evidence for Managing Symptoms of Chronic Venous Insufficiency (CVI)

Dafomin (micronized Diosmin and Hesperidin) was studied for research examining symptoms associated with Chronic Venous Insufficiency (CVI). The research base for this combination includes a body of Randomized Controlled Trials (RCTs) and comprehensive systematic reviews that combine and analyze the data from multiple trials. These studies were evaluated in adult populations diagnosed with various stages of CVI, with research exploring short-term symptom changes and intermediate-term patterns of discomfort.

Research explored data related to conditions marked by functional limitations and was observed in studies conducted during periods of increased symptom activity. Trials monitored objective measurements, such as the size of the ankle and calf, to track edema (swelling) measurements. Studies applied in studies examining patient-reported experiences to collect data on outcomes related to daily functioning or activity level, using tools like the CIVIQ-20 and VEINES-QOL/Sym scores.


Evidence for the Treatment of Acute Hemorrhoidal Episodes

Dafomin was evaluated in research exploring its relevance in acute, episodic or acute changes associated with hemorrhoidal disease. This combination was studied for its application during conditions involving periods of heightened symptoms, such as pain, bleeding, and localized swelling. Research explored short-term symptom changes in adult populations, typically focusing on episodes where symptoms become more noticeable.

The clinical trials research examined the patterns of change in these acute outcomes describing episodic or acute changes during a flare-up. Studies monitored and tracked the amount of time taken for symptoms like pain and swelling to evolve in the observed populations, and also was studied for research on symptom recurrence following the acute phase.


What Remains Uncertain and Research Gaps

The overall evidence base for Dafomin was studied for its relevance in short- to intermediate-term symptomatic management, but certainty remains low in several key areas. A major limitation is that evidence quality varies across studies, leading to heterogeneity (inconsistency) in the collective findings when systematic reviews are conducted. Long-term effects are not fully established regarding the maintenance of symptom relief over many years or decades. Furthermore, data for certain groups remain insufficient, especially regarding patients with multiple concurrent medical conditions or in children. The evidence highlights what is known—and what is still uncertain about the long-term effects on the underlying progression of venous disease.

Key Studies & References

  1. Public Assessment Report - Zeflavon 500 mg film-coated tablets (500 mg micronized flavonoids)

Frequently Asked Questions (FAQ)

Common questions about Dafomin (FAQ)

Q: If I miss a dose of Dafomin, what are the general instructions?

According to official regulatory information, if a dose of Dafomin is missed, patients are instructed not to take a double dose to compensate. The official documentation directs continuation with the regular schedule.

Q: Is Dafomin considered a long-term medication?

Official dosing regimens describe the medicine being used as part of a long-term plan for managing symptoms of Chronic Venous Insufficiency (CVI). However, the product is also officially used for acute hemorrhoidal episodes as a fixed, short-term treatment course, typically lasting seven days.

Q: Does Dafomin cause weight gain or weight loss?

Regulatory documentation for the product's safety profile does not list weight gain or weight loss as a documented adverse reaction. The most commonly reported side effects are generally related to Gastrointestinal, Nervous System, and Skin disorders.

Q: Does Dafomin interact with vitamins or herbal supplements?

Official regulatory sources confirm that no formal interaction studies have been performed with Dafomin. Furthermore, no mandatory restrictions are cited in the regulatory labels for co-administration with food, alcohol, or herbal products.

Q: Are there any warnings about Dafomin and sun exposure?

Regulatory safety documentation does not contain any specific warnings or precautions regarding photosensitivity or required limits on sun exposure while using this product.

Q: Is Dafomin the same kind of medicine as [similar common drug]? What is the difference?

Dafomin is officially classified as a venotonic and vasculoprotective agent. This means it belongs to the pharmacological class of bioflavonoids, which are compounds classified as having effects on veins and capillaries. This classification reflects its action on vein health and tone.

Q: What is the risk of having a serious side effect with Dafomin?

Official documentation lists serious adverse reactions, such as Quincke's edema (a rapid, severe swelling of tissues). However, this event is classified in regulatory documents as exceptional (frequency not known).

Q: What makes Dafomin different from other drugs for the same condition?

The key characteristic of Dafomin is its composition of the micronized purified bioflavonoids Diosmin and Hesperidin. The official product information notes that the specialized micronization process is a process associated with improved absorption.

Q: Does taking Dafomin mean I need regular blood tests?

Official regulatory labels and safety information do not typically cite a mandatory requirement for routine blood tests for monitoring while using this product.

Q: How does Dafomin fit into a complete treatment plan?

The general therapeutic goal of Dafomin is to act as a venotonic agent that helps improve venous tone and microcirculation. This action is described as helping to alleviate common symptoms of chronic venous problems, such as edema (swelling) and the feeling of heavy legs.

Q: Are there special considerations for using Dafomin in hot or cold weather?

Regulatory instructions require the medicine be kept below 30 C (86°F) to ensure stability. However, official documents do not detail any specific precautions for patient use in hot or cold weather beyond these storage constraints.

Q: Is Dafomin used for anything other than its main approved use?

The two main indications for which Dafomin is officially approved and supported by clinical evidence are the management of symptoms associated with Chronic Venous Insufficiency (CVI) and the treatment of acute hemorrhoidal episodes.

Q: Does Dafomin come with a specific warning or caution label?

Yes, official documents include specific warnings regarding use in populations like pregnant or breastfeeding women and in children under 18. The medicine is also officially contraindicated in cases of known hypersensitivity (allergy) to its components.

Q: How quickly should someone expect to feel the effects of Dafomin?

Research exploring the product’s effect focused on observing short-term symptom changes in study populations. Clinical studies tracked the time taken for symptoms like pain and swelling to evolve during acute flare-ups.

How should Dafomin be stored and disposed of?

Storage and Disposal of Dafomin

The storage and disposal instructions for this medicine are defined by regulatory authorities to maintain product stability and protect the environment.

Official Storage Conditions

Condition Requirement
Temperature Store below 30 C (86°F).
Packaging Keep the medicine in the original carton or outer packaging.
Child Safety Store out of the sight and reach of children.
Shelf Life Do not use the tablets past the expiry date labeled on the box.

Disposal Requirements

To prevent environmental harm, regulatory labeling requires specific procedures for discarding unused or expired Dafomin. Do not dispose of the tablets via wastewater or general household waste. Users are instructed to consult with a pharmacist regarding the proper method for disposing of medicines that are no longer required.

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

Available in countries:

Equivalent of Dafomin found in:

A-Z Index: