Syncumar Mite

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Syncumar Mite

Method of action: Anticoagulant

Treatment option:

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 Syncumar Mite

Quick Facts

Property Description
Active Ingredient Acenocoumarol (Nicoumalone)
Form Oral Tablet
Pharmacological Class Vitamin K Antagonist (VKA)
General Purpose Oral Anticoagulation (Blood thinning)
Origin Synthetic Coumarin Derivative

What Type of Medicine is Syncumar Mite?

Syncumar Mite is a prescription-only pharmaceutical preparation used for oral anticoagulation, which is the process of reducing the blood's ability to form clots. This product is an oral tablet that is administered by mouth for systemic effect. The preparation is specifically positioned as a lower-dose version, as indicated by the term "Mite," which is utilized by healthcare professionals for tailored dose management.

The preparation's role is to act as a blood-thinning medicine, necessary in situations requiring the suppression of coagulation. Acenocoumarol is classified as an antithrombotic agent with the Anatomical Therapeutic Chemical (ATC) code B01AA07.

Composition and Pharmacological Classification

The single active ingredient in Syncumar Mite is the chemical substance Acenocoumarol, also known by the synonym Nicoumalone. This compound is a synthetic derivative of coumarin. Its pharmacological group is the Vitamin K Antagonists (VKA), a class of antithrombotic agents that includes other coumarin derivatives.

Acenocoumarol is characterized by a relatively rapid onset of action compared to certain other VKAs. It is a synthetic drug categorized as an anticoagulant that targets blood coagulation factors.

General Purpose and Benefit

The essential function of Syncumar Mite is to help prevent the formation of new blood clots and stop existing clots from growing. By decreasing the rate at which the blood coagulates, the medicine ensures a smoother, more effective flow of blood throughout the circulatory system. This general benefit is crucial for maintaining proper tissue perfusion and mitigating the health risks associated with unwanted clot development, such as in the prophylactic management of individuals following acute thrombotic events.

What side effects are possible with Syncumar Mite?

Possible side effects and safety information

As a Vitamin K Antagonist (VKA), the primary and expected adverse event of Acenocoumarol is haemorrhage (bleeding), which is formally classified as a common occurrence in regulatory documents. This risk may range from minor bleeding events to severe or fatal occurrences, defining the key safety concern for this medicine.

Regulatory authorities classify other possible adverse reactions by frequency and the System-Organ Class (SOC) affected:

Frequency Classification Examples of Documented Adverse Effects
Rare Hypersensitivity reactions (e.g., rash), Alopecia (hair loss), Gastrointestinal effects (Nausea, Vomiting).
Very Rare Vasculitis, Serious Liver Injury, Skin Necrosis (haemorrhagic).
Frequency Not Known Calciphylaxis, Anticoagulant-related nephropathy.

Serious adverse reactions listed in official labeling include Skin Necrosis, which is often noted to appear within the first few days of therapy, and the severe but rare syndromes of Calciphylaxis and Anticoagulant-related nephropathy.

Population-Specific Safety Notes: Official prescribing information highlights specific safety considerations for certain patient groups. Use is not recommended in individuals with severe hepatic impairment or severe renal impairment. The medicine is generally contraindicated during pregnancy due to the officially documented risk of fetal harm. Older adults may also exhibit increased sensitivity to the anticoagulant effect.

Safety Limitations: The official label also notes that intramuscular injections are generally not recommended while on treatment due to the increased risk of hematoma formation. Hypersensitivity to coumarin derivatives is listed as a contraindication.

Overdose and Emergency Response

Overdose and when to seek help

Overdose of Syncumar Mite is defined by excessive anticoagulation resulting in a significantly elevated International Normalized Ratio (INR), which increases the risk of severe hemorrhage. Bleeding is the major sign of toxicity documented in official prescribing information, which can escalate to fatal and nonfatal hemorrhage.

Documented Overdose Manifestations

Manifestations of excessive anticoagulation documented in official labeling include cutaneous bleeding and widespread bruising. More serious signs involve bleeding into the body’s systems, such as haematuria (blood in urine), gastrointestinal bleeding, epistaxis (nosebleeds), gingival bleeding, and haematomas. Severe consequences of significant blood loss may lead to systemic effects like hypotension and potential cardiovascular collapse.

Emergency Actions and Treatment

Immediate medical help or contact with a Poison Control Center right away is required in all cases of suspected overdose. The medication must be discontinued at the first sign of gross or major bleeding.

The official regulatory approach for reversal includes administering Vitamin K, which is the specific pharmacological antagonist. For cases involving serious bleeding, supportive measures such as Fresh-Frozen Plasma (FFP) or Prothrombin Complex Concentrate (PCC) may be necessary to rapidly correct the coagulation factor deficit. INR and Prothrombin Time (PT) must be determined and monitored frequently to assess the degree of anticoagulation and guide reversal procedures.

Therapeutic Uses of Syncumar Mite

What Syncumar Mite Treats: Main Uses and Benefits

Management of Acute and Chronic Venous Thromboembolism (VTE)

Acenocoumarol is applied across domains where additional symptomatic support is needed by addressing certain distressing symptoms associated with the risk of blood clotting. Syncumar Mite is commonly used for Venous Thromboembolism (VTE), which encompasses conditions like Deep Vein Thrombosis (DVT) and Pulmonary Embolism (PE). This medicine plays a key role in the management and prevention of recurrent clotting episodes. It assists with maintaining functional stability by helping address symptom clusters that may become intense or disruptive due to vascular obstruction.

Prophylaxis Against Systemic Embolic Events

The therapeutic role generally may assist with the management of deep vein thrombosis and pulmonary embolism, and the prevention of recurrence in high-risk individuals. The medication is considered relevant in contexts marked by increased discomfort or tension arising from the risk of blood clots traveling to vital organs, often used during phases when symptoms become more noticeable. This is particularly true for patients with Atrial Fibrillation (AF) or those with Prosthetic Heart Valves who require long-term prevention. The primary therapeutic role is to support the management of risk factors for severe cerebrovascular and systemic events, which supports patients during difficult episodes by easing distress and may assist with maintaining a sense of stability during periods of heightened risk.


Quick Fact: Therapeutic Use

Syncumar Mite is commonly used to help with the management of conditions characterized by periods of heightened symptoms related to clot formation. It assists with maintaining functional stability and is applied in contexts where additional symptomatic support is needed to address distressing manifestations of thromboembolic risk.

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Syncumar Mite — Official Regulatory Information

The eligibility profile for Syncumar Mite (Acenocoumarol) is strictly defined by regulatory documents, distinguishing between populations permitted for use, those requiring caution, and those who are formally prohibited.

Eligibility Scope Status (as stated in label)
Populations for whom use is allowed Adults are the established treatment population.
Populations for whom use is not recommended Use in the pediatric population is not broadly established under standard labeled conditions.

Contraindications (Use is Prohibited)

Syncumar Mite is formally contraindicated and must not be used in the following populations and conditions, due primarily to the severe and immediate risk of hemorrhage or difficulty with necessary monitoring:

  • Pregnancy (Prohibited throughout gestation).
  • Patients with Known Hypersensitivity to the medicine or related coumarin derivatives.
  • Patients with Active Bleeding or conditions causing a bleeding tendency (haemorrhagic diathesis, peptic ulcers, or recent cerebrovascular hemorrhage).
  • Severe Organ Impairment including severe hepatic or severe renal impairment.
  • Unsupervised or Non-Cooperative Patients (e.g., alcoholics, patients with severe psychiatric disorders) where compliance cannot be ensured.
  • Recent High-Risk Surgery of the eye or central nervous system.

Eligibility-Related Restrictions (Use with Caution)

The regulatory label mandates caution and close monitoring for certain groups, including:

  • Older Adults (Age 65 years and over) due to increased sensitivity and risk of bleeding.
  • Mild to Moderate Hepatic or Renal Impairment.
  • Lactation (Breastfeeding), where use is often permitted but requires monitoring of the infant.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Acenocoumarol (Syncumar Mite) outlines several interactions that may significantly alter the medicine’s activity, measured by the International Normalized Ratio (INR).

Pharmacokinetic Interactions:

Many interactions are categorized as CYP-mediated metabolic alterations, meaning they affect the medicine's clearance through liver enzymes, primarily CYP2C9. Agents classified as enzyme inhibitors (e.g., Amiodarone, Metronidazole, Fluconazole) can increase Acenocoumarol exposure, while enzyme inducers (e.g., Rifampicin, Carbamazepine) can reduce its exposure.

Pharmacodynamic Interactions and Restrictions:

Co-administration with medicines that independently affect blood clotting or platelet function is subject to restrictions. The official prescribing information notes that combining Acenocoumarol with Antiplatelet agents (e.g., Clopidogrel, Ticlopidine) or Non-steroidal anti-inflammatory drugs (NSAIDs) results in pharmacodynamic reinforcement, substantially increasing the risk of hemorrhage. The regulatory profile notes that co-administration with Heparin is generally not recommended outside of specific initial treatment settings.

Substance and Dietary Modulation:

Dietary factors influence the medicine's effect. Ingestion of foods rich in Vitamin K1 (e.g., leafy greens) may reduce the anticoagulant effect. The official profile also notes that alcohol may potentiate the effect, particularly in individuals with pre-existing liver conditions, and the herbal product St. John’s Wort reduces Acenocoumarol’s activity.

Mechanism of Action

How Syncumar Mite Works

Syncumar Mite works by disrupting the biochemical cycle required to activate essential blood clotting components, resulting in a systemic reduction in the blood's capacity for fibrin formation. The mechanism is confined to hepatic protein processing, limiting its direct action to the synthesis pathway.


Enzyme Inhibition and the Vitamin K Cycle

The mechanism begins in the liver with the active ingredient, Acenocoumarol, acting as a competitive inhibitor of the enzyme Vitamin K Epoxide Reductase Complex 1 (VKORC1). This molecular blockade interrupts the recycling of inactive Vitamin K back into its active cofactor form (KH2), which serves as the necessary cofactor for coagulation protein activation. This inhibitory action represents the initial molecular step that defines the drug's subsequent physiological consequence.


Impaired Activation of Clotting Factors

The resulting depletion of the active KH2 cofactor prevents the necessary final activation step—called gamma-carboxylation—of the Vitamin K-dependent clotting factors (II, VII, IX, X) and regulatory proteins (C, S). The systemic release of non-functional factors by the liver causes the coagulation cascade to assemble inefficiently, suppressing the generation of thrombin. This mechanism produces the physiological change of a prolonged time required for the blood to clot.


Mechanism Constraints and Time Dependence

The functional effect is limited because the drug only blocks the synthesis of new factors, requiring the natural degradation of pre-existing active factors in circulation. Consequently, the mechanism is limited by the half-lives of these existing proteins, which results in the full change in circulating active factor concentration, and thus the physiological consequence, being delayed by 24 to 72 hours.

Dosage and Administration Information

How to use Syncumar Mite — Official Administration Guidelines

Administration Scope

The administration of Syncumar Mite (Acenocoumarol) is strictly limited to the oral route via tablet. The regimen is highly individualized and controlled by the patient's International Normalized Ratio (INR). The required dose is administered as a single oral dose once daily, and it must be taken at the same time each day to maintain steady drug levels. The dose must be taken as prescribed, with the tablets often cut into halves and quarters to achieve the fine, customized dosage mandated by the INR result.

Dosing and Monitoring

Initial treatment may involve a short loading regimen, such as 6 mg on the first day followed by 4 mg on the second day, or a lower starting dose of 2 mg to 4 mg daily without a loading phase. Maintenance dosing typically falls within the range of 1 mg to 10 mg per day, with the goal of keeping the INR between 2.0 and 3.0 for most indications. Treatment is entirely dependent on the periodic determination of prothrombin time (INR); without this continuous laboratory monitoring, the medication is not to be used.

Specific Instructions

Lower doses are generally expected for older adults (geriatric patients), patients with hepatic impairment, or those with severe heart failure. If a dose is missed, the instruction is to take it as soon as possible on the same day, but never to take a double dose to compensate.

Connection to the overall use protocol

The official use protocol is structured as a goal-directed, titration-intensive regimen. This requires a dynamic relationship where laboratory test results (INR) directly dictate the subsequent daily dose, ensuring the entire course of treatment is strictly controlled and adjusted according to the patient's biological response.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Syncumar Mite

Evidence for Use in Venous Thromboembolism (VTE)

Research for this use was studied for individuals with Venous Thromboembolism (VTE), a condition characterized by fluctuating or episodic manifestations, where research evaluated contexts related to condition management and recurrence. The evidence structure includes Randomized Controlled Trials (RCTs) and Systematic Reviews that research examined outcomes related to event recurrence and anticoagulation quality. Study outcomes focused on the incidence of VTE events (DVT and PE recurrence) and outcomes related to overall survival, alongside metrics for anticoagulation quality.

Evidence for Stroke Prevention in Atrial Fibrillation (AF)

The medicine was evaluated in settings involving conditions associated with acute or disruptive episodes, such as Atrial Fibrillation, where research examined the incidence of stroke and systemic embolism. The research base relies significantly on Large-scale Observational Studies (Real-World Evidence - RWE) and cohort comparisons. Anticoagulation metrics (Time in Therapeutic Range, or TiTR) data show patterns related to how patients maintained control, which was observed to be a factor evaluated in the studies' findings. Comparative analyses often rely on extrapolating findings from trials that used other VKA compounds.

Research for Use with Mechanical Prosthetic Heart Valves

Research into this medicine's use in individuals with mechanical heart valves was observed in long-standing Registry Studies and Observational Cohort Analyses. This research was studied for a condition marked by functional limitations that requires continuous, lifelong therapy. Studies monitored event rates related to the valve itself and the maintenance of anticoagulation quality (TiTR).

Areas of Uncertainty and Gaps in the Research

This summary synthesizes the known limitations of the research base:

  • Comparative evidence is lacking for head-to-head, hard clinical outcome RCTs specifically comparing Acenocoumarol against newer oral anticoagulants.
  • Anticoagulation quality (TiTR) is a factor described in the reported outcomes, but individual TiTR stability may vary significantly in real-world use.
  • Data for certain groups remain insufficient, and subgroup findings are uncertain due to modest sample sizes and heterogeneity across studies.
  • Research provides context but not individual predictions of patient response. Evidence quality varies across studies, and results apply only to the populations studied.

Frequently Asked Questions (FAQ)

Common questions about Syncumar Mite (FAQ)

Q: Do I need to change my diet while taking Syncumar Mite?

Official patient information states that a major change to diet should be avoided unless discussed with a healthcare provider. This is especially true for diets that might significantly change the intake of Vitamin K. Maintaining consistency is important as Vitamin K intake can affect the medicine’s activity.

Q: Is it safe to drink alcohol in moderation while on Syncumar Mite?

Official patient information notes the need for caution regarding alcohol intake. Regulatory guidance indicates that intake should be limited, consistent with established health limits. Binge drinking is discouraged, as large amounts of alcohol can significantly increase the medicine's effect and raise the risk of bleeding.

Q: What does the research say about the effectiveness of Syncumar Mite?

Studies and official evidence have investigated the medicine’s use in the management of blood clot risk. This research examines outcomes such as preventing the recurrence of conditions like VTE and reducing the risk of stroke in patients with Atrial Fibrillation. The quality of anticoagulation, measured by Time in Therapeutic Range (TiTR), is also a key theme in the available data.

Q: Can I take vitamins while using Syncumar Mite?

Official documents state that the use of all vitamins, natural products, and dietary supplements should be discussed with a healthcare provider. This is because certain products, especially multivitamins, may contain Vitamin K. Information regarding all supplements is important as Vitamin K can affect the medicine’s activity.

Q: How long does Syncumar Mite stay in the system after the last dose?

According to official pharmacokinetic data, the active ingredient, Acenocoumarol, has an elimination half-life of approximately 8 to 11 hours. The half-life describes the time it takes for half of the dose to be removed from the body.

Q: What common over-the-counter cold medicines interact with Syncumar Mite?

The official label warns against combining the drug with any medicine that modifies blood clotting (hemostasis). Therefore, it is important to review all over-the-counter cold remedies with a healthcare provider. Continuous or regular use of Paracetamol (acetaminophen) should be reviewed with a healthcare provider.

Q: Are there specific genetic factors that influence how Syncumar Mite works?

Studies and official pharmacological documents indicate that genetic factors play a role in how this medicine works. Specifically, variations in the CYP2C9 and VKORC1 genes can influence the necessary dosing and an individual's response to treatment. This is one reason why dosage is highly individualized and relies on INR monitoring.

Q: Are there any long-term side effects noted for Syncumar Mite?

Official side effect listings are generally categorized by frequency (common, rare, very rare), rather than strictly by duration. However, very rare, serious conditions like Calciphylaxis have been reported during use, sometimes occurring in patients with chronic underlying conditions like kidney disease.

Q: Do official documents mention any research on Syncumar Mite for other conditions?

Official summaries of clinical evidence focus only on the approved and studied uses of the medicine. These include treatment for conditions like Venous Thromboembolism (VTE) and stroke prevention in patients with Atrial Fibrillation (AF). The regulatory documents do not provide an overview of research for other non-labeled conditions.

Q: How long do most people need to take Syncumar Mite?

According to patient information, the course of treatment varies widely depending on the underlying condition. For some uses, treatment may last for a set period, often six weeks to three months. For chronic conditions, patients may be advised to continue taking the tablets long-term.

Q: Does Syncumar Mite affect dental procedures?

The medicine can affect certain medical and dental procedures because of its effect on blood clotting. Official patient guidance indicates the importance of informing the dentist and any other healthcare professional about the medicine before any procedure.

Q: Does Syncumar Mite cause fatigue or tiredness?

Official product information lists unusual tiredness or weakness as a known side effect. Additionally, severe or persistent fatigue can, in rare cases, be a symptom of a very serious adverse reaction, such as liver injury.

Q: What are the warnings about stopping Syncumar Mite suddenly?

Regulatory documents contain explicit warnings that the medicine should not be stopped suddenly without medical supervision. Stopping abruptly may increase the risk of serious adverse thromboembolic events (blood clots). Any decision regarding treatment interruption or discontinuation should be made in consultation with a healthcare provider.

Q: Can Syncumar Mite affect birth control pills?

Official labeling for the medicine states that oral contraceptives (birth control pills) may interact with the medicine. This interaction is described as potentially decreasing the anti-thrombotic effect of the medicine.

Q: Are there specific symptoms that require medical attention while taking Syncumar Mite?

Yes, the official safety information advises seeking immediate medical attention for severe signs of bleeding. These include recurrent or severe bleeding, coughing up blood, vomiting material that looks like coffee grounds, or after sustaining a significant blow to the head.

Q: Does Syncumar Mite interact with other heart medications?

The official interaction section contains warnings about numerous cardiovascular medications. Specific drugs, including certain antiarrhythmics (like amiodarone) and certain cholesterol-lowering medicines (statins), are explicitly listed as having known interactions with the medicine.

Q: Are there different strengths of Syncumar Mite?

Yes, the medicine is available in different tablet strengths to allow for the fine, customized dosing required for treatment. Doses must be tailored to achieve the patient's specific INR goal, and different strengths enable this flexibility.

Q: What should I do if I get a nosebleed while taking Syncumar Mite?

Official patient guidance indicates that minor bleeding events that are prolonged or unusual should be reviewed by a healthcare provider. This includes a nosebleed lasting longer than 10 minutes or the appearance of severe bruising.

Q: What types of activities should be avoided when taking Syncumar Mite?

Official patient guidance recommends avoiding any activity that carries a high risk of causing cuts, severe bruising, or injury. Contact sports are typically advised against, as even minor injuries can result in significant bleeding.

Q: Does Syncumar Mite interact with flu shots or other vaccinations?

Regulatory information contains warnings that intramuscular injections (injections into the muscle), which include many types of vaccinations, should generally be avoided. This is because the medicine increases the risk of hematoma (a collection of blood) forming at the injection site.

Q: What is the half-life of Syncumar Mite described as in official reports?

According to official pharmacokinetic data, the active ingredient, Acenocoumarol, has an elimination half-life of between 8 and 11 hours. The half-life is a measure of how quickly the body processes and eliminates the substance.

Q: Can Syncumar Mite be taken with food?

Official guidance states that this medicine can be taken with or without food. It is most important to take the tablet as a single oral dose at the same time each day to maintain steady blood levels.

Q: What if I vomit shortly after taking Syncumar Mite?

Official patient guidance notes that the medicine may sometimes be taken with food if nausea or vomiting occurs. If the symptoms persist, or if there is concern that the full dose may not have been absorbed, consultation with a healthcare provider is appropriate.

Q: What does official guidance say about restarting Syncumar Mite after a break?

If treatment is interrupted for medical reasons or a high-risk procedure, official regulatory guidance states that the medicine should be stopped gradually and restarted only under the specific direction of the treating physician. This ensures that proper anticoagulation levels are safely re-established.

Q: Can Syncumar Mite interact with grapefruit juice?

While grapefruit juice is not consistently listed on official labels for this specific medicine, patient guidance for similar medications sometimes advises caution. This is often due to grapefruit's potential effect on certain liver enzymes. Any major change in diet or supplement intake should be reviewed with a healthcare provider.

How should Syncumar Mite be stored and disposed of?

Storage and Disposal Requirements

Official regulatory information for Syncumar Mite (acenocoumarol) defines specific storage and handling constraints necessary to maintain product stability and safety.

Requirement Area Official Conditions
Temperature Store below 25 C.
Protection Protect from moisture and excessive heat.
Packaging Keep the container tightly closed and store in the original packaging.
Child Safety Keep out of the sight and reach of children.

Disposal of Unused Medicine

Disposal instructions state that any unused medicinal product or waste material must be disposed of according to local requirements. The medicine should not be discharged into sewer systems or household trash unless specifically permitted by local regulations.

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

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