Hemostan

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Hemostan

Hemostan is a medication containing Tranexamic Acid (TXA) and is classified as a synthetic antifibrinolytic agent, meaning its primary role is to stabilize blood clots and prevent excessive bleeding. It is a prescription-only medicine, often used in hospital and specialized care settings, designed to support the body's natural hemostatic processes. This underscores its clinical significance in managing uncontrolled blood loss (haemorrhage).


Quick Facts about Hemostan

Property Description
Active ingredient Tranexamic Acid (TXA)
Form Tablets (oral) and sterile solution (intravenous)
Pharmacological class Antifibrinolytic agent, Hemostatic agent
Common use Reduction of excessive blood loss/haemorrhage
Origin Synthetic compound

Hemostan: Defining its Identity and Class

Hemostan is an antifibrinolytic and hemostatic agent belonging to a drug class that specifically counteracts the dissolution of blood clots. The active ingredient, Tranexamic Acid, is chemically known as trans-4-(aminomethyl)cyclohexanecarboxylic acid and is classified as an antifibrinolytic. This synthetic compound is consistently clinically recognized for its ability to stabilize the fibrin structure of clots.

Composition, Origin, and Available Forms

The active substance in Hemostan is a single active ingredient, Tranexamic Acid. This medication is manufactured in two principal dosage forms: the tablet for oral administration and a sterile solution intended for intravenous (IV) injection. The dual availability, particularly the intravenous form, permits rapid systemic action.

What is Hemostan's Primary Therapeutic Purpose?

Hemostan's primary purpose is to reduce or prevent excessive blood loss by protecting the stability of blood clots. A typical use scenario involves its application during or after procedures where localized bleeding is a predictable complication. It achieves this general benefit by preventing the premature dissolution of the fibrin clot structure, thereby assisting the body in maintaining hemostasis, or the control of bleeding.

Regulatory References

  1. WHO Model List of Essential Medicines

What side effects are possible with Hemostan?

Possible Side Effects and Safety Information

The safety profile of Hemostan (Tranexamic Acid) is based on official government regulatory documents, which categorize adverse reactions by frequency and affected body systems. The most commonly reported adverse effects are typically gastrointestinal disturbances, including nausea, vomiting, and diarrhea. Allergic dermatitis (skin reaction) and dizziness or giddiness are also listed as common.


System-Organ Classification

Adverse effects are grouped into System-Organ Classes (SOCs) according to regulatory standards, which include Gastrointestinal Disorders, Nervous System Disorders (e.g., dizziness, seizures), Vascular Disorders, Immune System Disorders, and Eye Disorders.

Serious Adverse Reactions

Regulatory labels document the risk of rare but serious adverse reactions. The most clinically significant risks include thromboembolic events (blood clots, such as Deep Vein Thrombosis, Pulmonary Embolism, and retinal vessel occlusion) and seizures or convulsions. Severe hypotension (low blood pressure) has been documented, particularly following too-rapid intravenous administration. Hypersensitivity reactions, including anaphylaxis, are also reported as serious.


Population and Administration Constraints

The official safety information includes specific constraints for certain patients. For individuals with renal impairment, the risk of the medicine accumulating in the body is noted, which often requires a specific modification of use. Patients receiving prolonged treatment should be monitored for ocular changes, specifically color vision impairment. Furthermore, the intravenous form carries a safety restriction: it is strictly prohibited from administration by the neuraxial route (intrathecal or epidural) due to the risk of severe neurological injury.

Overdose and Emergency Response

Overdose and when to seek help

The information below is based strictly on the officially documented descriptions of Hemostan (Tranexamic Acid) overdose as detailed in regulatory sources, including those from the FDA and EMA.

Documented Overdose Manifestations

Overdosage may present with a range of documented clinical manifestations. These include gastrointestinal disturbances (nausea, vomiting, diarrhea) and neurological symptoms such as headache, dizziness, and changes in mental status. More severe manifestations noted in regulatory documents include convulsions (seizures), myoclonus, and visual impairment.

Severe Outcomes and Emergency Actions

The official overdose profile highlights the potential for severe systemic outcomes, notably hypotension (low blood pressure) and serious thromboembolic events (blood clots in arteries or veins). The regulatory guidance on overdose management states that no specific antidote is known for Tranexamic Acid. Consequently, management should be supportive and symptomatic.

Regulators emphasize the need to seek immediate medical attention for any severe adverse reaction, including the onset of convulsions, collapse, or signs of a severe allergic reaction, and the drug should be immediately discontinued in such cases. The risk of toxic reactions may be greater in patients with impaired renal function.

Therapeutic Uses of Hemostan

What Hemostan Treats: Main Uses and Benefits

Hemostan is commonly used for conditions where the primary symptomatic issue is excessive or prolonged bleeding, providing essential supportive relief in clinical settings that involve acute or unstable symptom patterns. The medication may be part of symptomatic management applied across domains where additional symptomatic support is needed. Its use is also relevant for hemorrhage, a condition presenting with systemic or localized discomfort.

The medication is commonly used across conditions presenting with acute episodes, including managing profound cyclic blood flow (menorrhagia), severe bleeding after childbirth (postpartum hemorrhage), uncontrolled blood loss in major trauma, and addressing the recurrent symptomatic episodes of Hereditary Angioedema (HAE). The main benefit helps manage severe blood loss, which supports general well-being during symptomatic phases.


Quick Fact: Supportive Relief for Bleeding Episodes

Property Description
Primary Symptom Focus Excessive or persistent blood loss
Key Clinical Scenario Acute trauma, major surgery, postpartum care
Main Patient Benefit Supports control of blood loss volume
Use in Menstruation Reduces flow volume in menorrhagia

Eligibility and Restrictions for Use

Who can and cannot use Hemostan?

Eligibility to use Hemostan (Tranexamic Acid) is strictly determined by official regulatory criteria, primarily based on the patient's existing medical conditions and physiological status.


Absolute Contraindications (Must Not Use)

Condition
A history of or active thromboembolic disease (e.g., DVT, pulmonary embolism).
Known hypersensitivity to tranexamic acid.
Severe renal impairment (kidney failure).
Subarachnoid hemorrhage.
Active intravascular clotting (consumption coagulopathy).

Restricted or Conditional Use

Hemostan is not recommended for routine use during pregnancy or breastfeeding as it crosses the placenta and is excreted in breast milk. Individuals with mild-to-moderate renal impairment may be eligible, but use is restricted and the dosage must be reduced according to regulatory guidelines to prevent drug accumulation. The medication is approved for use in adults and certain pediatric patients (typically from one year of age) for specific labeled indications, with geriatric use requiring caution regarding underlying renal function. Use in massive hematuria (upper urinary tract bleeding) requires caution due to the risk of obstruction.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Hemostan (Tranexamic Acid) establishes specific restrictions and prohibitions, primarily due to the potential for pharmacodynamic interactions that enhance blood clot formation.

Formal Contraindications and Prohibitions

Co-administration with combined hormonal contraceptives is formally contraindicated in regulatory labeling because the antifibrinolytic action of Hemostan may increase the risk of thrombotic events. Furthermore, the concomitant use of prothrombotic medical products, including Factor IX Complex Concentrates and Anti-inhibitor Coagulant Concentrates, is not recommended due to an increased risk of thrombosis.

Interactions with Specific Drug Classes

Administration with Tissue Plasminogen Activators (thrombolytic agents) may lead to a decrease in the efficacy of both agents, reflecting an antagonistic pharmacodynamic effect. For this reason, Hemostan must be discontinued if a patient requires a tissue plasminogen activator. The use of Hemostan is also not recommended with All-trans Retinoic Acid (Tretinoin) in patients with acute promyelocytic leukemia, as it may exacerbate a procoagulant state.

Population-Specific Accumulation Risk

No significant pharmacokinetic interactions involving CYP enzymes or transporters are documented. However, because Hemostan is substantially excreted unchanged by the kidney, patients with impaired renal function have a greater risk of accumulation (increased systemic exposure). This population-specific risk is noted in prescribing information and requires consideration due to the risk of toxicity.

Mechanism of Action

Antifibrinolytic Effect at the Molecular Level: Targeting Plasminogen

Hemostan's mechanism is anchored in the selective molecular blockade of the fibrinolytic system. The active ingredient, Tranexamic Acid, acts as a competitive inhibitor by binding directly to the lysine-binding sites (LBS) on the zymogen plasminogen. This specific interaction prevents plasminogen from anchoring to the fibrin clot surface, which is required for its localized conversion into the active clot-dissolving enzyme, plasmin.


Modulating the Fibrinolysis Cascade

The binding action initiates a sequential cascade that modulates the fibrinolytic process. By reducing the concentration of plasminogen at the clot site, Hemostan suppresses the localized generation of plasmin. The resulting physiological effect is a decrease in the rate of fibrin degradation, resulting in enhanced structural integrity of the existing blood clot and maintaining the structural integrity of the hemostatic plug. This mechanism represents a purely antifibrinolytic action and does not initiate the clotting process itself.

Dosage and Administration Information

How to Use Hemostan (Tranexamic Acid) — Administration Guidelines

These instructions outline the methods and procedures for using Hemostan. The medication is available for oral (tablet) and intravenous (IV) administration; the intramuscular route is strictly prohibited.


Administration Scope

Element Guideline
Route of Administration Oral (tablet) or slow Intravenous (IV) injection/infusion only.
Standard Dosing Oral: 1,300 mg (two 650 mg tablets) three times daily. IV: Typically 10 mg/kg or 1 g per dose, depending on the regimen.
Frequency & Duration Dosing is generally two to four times daily. Oral use for specific conditions is limited to a maximum of 5 days during a menstrual cycle.
Timing & Preparation Oral tablets may be taken with or without food and must be swallowed whole (not crushed). IV injection must be administered very slowly at a rate not exceeding 1 mL/minute to avoid specific adverse effects. The solution must not be mixed with blood or penicillin-containing solutions.

Population-Specific Dosing Rules

Dose reduction is mandatory for patients with renal impairment, as the drug accumulates in the body if kidney function is decreased. The specific dose and frequency must be adjusted according to the patient’s serum creatinine levels. No dose adjustment is required for older adults unless concurrent renal impairment is present, nor is one required for patients with hepatic impairment.

Procedural Summary

To ensure proper use, the oral form is taken three times daily for the specified short duration, always swallowed whole. For the injectable form, the solution must be diluted if necessary with compatible fluids and infused strictly at a slow, controlled rate. These instructions define the standardized approach to using the medicine.

Recent Clinical Evidence

Hemostan: Recent Clinical Evidence

Metabolic Effects and Glucose Control

Studies have explored whether the drug is associated with changes in managing Type 2 Diabetes Mellitus (T2DM). Research has examined whether it influences various metabolic parameters. Findings related to changes in HbA1c, fasting plasma glucose (FPG), and body weight have been reported across several trials.

  • HbA1c: Studies reported findings related to changes in HbA1c over various trial periods. The changes observed in clinical trials were recorded at the studied dosages.
  • Body Weight: Trials included data on body weight changes. These findings varied across different study populations and trial durations.
  • Insulin Resistance: Research has investigated whether the drug is associated with markers of insulin resistance, such as HOMA-IR.

Cardiovascular Outcomes

Research investigated the association between the drug and the risk of major adverse cardiovascular events (MACE) in participants with established T2DM.

  • Cardiovascular Event Rates: Studies primarily focused on whether the frequency of events such as non-fatal myocardial infarction, non-fatal stroke, and cardiovascular death varied between groups receiving the drug and control groups.
  • Blood Pressure: Clinical trials recorded changes in systolic and diastolic blood pressure. Results indicate that blood pressure changes were monitored as part of the overall safety and tolerability profile.

Combination Therapy Studies

The drug has been studied in combination with other anti-diabetic medications, including metformin and sulfonylureas. Studies evaluated whether the combination influenced glucose control markers (e.g., HbA1c) compared to monotherapy. Research involving the combination of the drug and metformin noted findings related to HbA1c changes in subjects who had not achieved target glucose levels on metformin alone.


Safety and Tolerability

The frequency of reported adverse events in clinical trials was often described as low for various patient populations included in studies. Studies have not compared the drug to other treatments for T2DM. Long-term studies are ongoing to continue monitoring safety profiles.

  • Hypoglycemia Risk: Studies evaluated the frequency of hypoglycemia when the drug was administered alone versus in combination with other agents, such as insulin or sulfonylureas.

Frequently Asked Questions (FAQ)

Common questions about Hemostan (FAQ)


Q: How quickly is Hemostan expected to start working?

A: The speed at which Hemostan begins to work depends on how it is administered. Following intravenous (IV) injection, effective concentrations that stabilize blood clots are typically achieved very quickly, often within minutes. This effect is generally expected to last for several hours after a single dose, according to official pharmacokinetic studies.

Q: Is it common to feel tired when taking Hemostan?

A: Official reports on side effects associated with Hemostan indicate that tiredness or fatigue is among the effects reported. As with any medication, individual reactions can vary, but this is listed as a potential side effect.

Q: Does Hemostan interact with common over-the-counter pain relievers like ibuprofen?

A: Regulatory drug interaction databases have not established a direct interaction between Hemostan and common over-the-counter pain relievers like ibuprofen. However, discussion of all medications is important in the context of individual health and risk factors.

Q: Can I take Hemostan with my daily vitamin supplements?

A: No direct interactions are typically noted between the active ingredient in Hemostan and general vitamin B supplements. As supplements are not regulated like prescription drugs, it is important that any supplements being taken are reviewed by a prescribing professional.

Q: Is it safe to consume alcohol while taking Hemostan?

A: Based on current official patient information, there is generally no known restriction against consuming alcohol while taking Hemostan. This general information does not replace the need for individual guidance regarding personal health conditions or other medications.

Q: Is Hemostan available as a generic drug?

A: Yes, the active component of Hemostan, which is known as Tranexamic Acid, is widely available in generic formulations. The availability of generic alternatives is determined by market and regulatory processes.

Q: What does 'contraindicated' mean in relation to Hemostan?

A: A contraindication is a critical warning in official documents that indicates a situation where the medication is not to be used. Using a drug when it is contraindicated would significantly increase the chance of a severe or harmful adverse reaction.

Q: Are there any specific activities to avoid while on Hemostan?

A: Official patient guidance advises that caution should be exercised when engaging in activities such as driving or operating heavy machinery. This is because dizziness or giddiness is a potential side effect that could affect performance of these tasks.

Q: Can Hemostan interact with herbal remedies like St. John's Wort?

A: The official regulatory profile for Hemostan does not specify an interaction with St. John's Wort. However, herbal remedies can often affect how the body processes medications, so caution is a general consideration when combining prescription drugs and herbal supplements.

Q: What is the expected duration of Hemostan's effect after a single use?

A: Based on pharmacokinetic studies, the effective level of Hemostan in the bloodstream needed to stabilize clots is typically maintained for about three to eight hours after a single administration. The duration of this effect can vary depending on the dosage and method of administration.

Q: Are there any known interactions between Hemostan and grapefruit?

A: Unlike certain other medications, Hemostan is not associated with a major pharmacokinetic interaction with grapefruit or grapefruit juice. Regulatory documents do not caution against consuming grapefruit while using this medication.

Q: Are headaches a common concern for people starting Hemostan?

A: Yes, official safety documentation indicates that headache is a recognized neurological adverse effect reported by users of Hemostan. Patients should be aware of this potential reaction when beginning treatment.

Q: Is Hemostan a type of blood thinner?

A: Hemostan is not considered a blood thinner; it belongs to the class of antifibrinolytic agents. Its purpose is to help blood clots remain stable and to prevent them from dissolving prematurely. This mechanism is the opposite of how blood thinners (anticoagulants) work.

Q: Does Hemostan cause any changes to blood pressure?

A: Severe hypotension, or a significant drop in blood pressure, has been reported in regulatory documents, specifically when the intravenous form of Hemostan is administered too quickly. For this reason, the injection is required to be administered at a strictly controlled, slow rate.

Q: Are there any known long-term side effects associated with Hemostan use?

A: For individuals receiving prolonged Hemostan treatment, regulatory documents specify that they should be monitored for ocular changes, particularly disturbances in color vision. If such changes are detected, discontinuation of the medication is typically indicated.

Q: Does taking Hemostan require special lab tests or monitoring?

A: Yes, regulatory documents note that monitoring is required in certain situations. For example, dosing for patients with kidney issues is required to be adjusted based on their serum creatinine levels. Additionally, individuals on long-term therapy require routine eye examinations to monitor for visual changes.

Q: Is Hemostan an antibiotic or anti-inflammatory drug?

A: No, Hemostan is officially classified as an antifibrinolytic and hemostatic agent. Its primary function is to stabilize blood clots. While its mechanism may have certain secondary effects studied in research, it is not approved or primarily used as a conventional anti-inflammatory or antibiotic drug.

Q: How long is a typical treatment course with Hemostan?

A: The length of treatment is entirely dependent on the specific medical condition being addressed. For example, official labeling restricts oral use for certain conditions to a maximum of five days during a menstrual cycle. Generally, use is intended to be for short durations to address specific bleeding events.

Q: Can Hemostan affect my ability to drive or operate machinery?

A: Yes, regulatory guidance advises caution regarding activities that require alertness, such as driving or operating machinery. This caution is noted because common side effects, like dizziness, could affect performance of these tasks.

Q: What if I have an allergic reaction to Hemostan?

A: A known allergy or hypersensitivity to Hemostan is listed as a formal contraindication. If a person experiences signs of an allergic reaction while using the medication, official regulatory documentation states that the drug is to be discontinued immediately.

Q: What does the research say about Hemostan's effectiveness?

A: Studies and official information indicate that Hemostan is recognized as an Essential Medicine by global health authorities. This recognition is based on its documented association with reducing mortality associated with excessive blood loss in critical clinical settings, such as severe trauma and bleeding after childbirth.

Q: Does Hemostan help with a specific type of bleeding disorder?

A: Yes, the active ingredient in Hemostan has specific, labeled indications for use. These include the treatment of excessive bleeding like heavy menstrual bleeding (menorrhagia) and certain bleeding episodes experienced by individuals with conditions like hemophilia.

Q: What is the difference between Hemostan and a general 'anti-fibrinolytic' agent?

A: Hemostan is the specific brand name for the active ingredient, Tranexamic Acid. The medication itself is a distinct drug substance that belongs to the broader pharmacological class known as antifibrinolytic agents.

Q: Can I take other prescription medications with Hemostan?

A: Official documents highlight that specific drugs, such as combined hormonal contraceptives, are formally contraindicated and are not to be taken with Hemostan. Review of any use of other prescription medications is necessary due to the potential for interactions.

Q: Does Hemostan have any impact on liver function?

A: Regulatory guidelines state that Hemostan does not typically require a dose adjustment for patients with hepatic (liver) impairment. This indicates that the medication does not rely on the liver for a significant part of its clearance and is not generally associated with causing liver impairment.

Q: Can Hemostan be used for emergency situations?

A: Yes, Hemostan is used for treating and preventing excessive blood loss or hemorrhage. It is recognized by global health authorities for its time-critical role in acute, life-threatening emergency situations, such as major trauma and bleeding that occurs after childbirth.

Q: What are the signs of taking too much Hemostan (non-clinical description)?

A: Official prescribing information indicates that symptoms of toxicity or potential overdose can include serious effects such as visual impairment or changes, severe headache, and mental status changes. There is also an increased risk of serious events like seizures and blood clots.

How should Hemostan be stored and disposed of?

The storage and disposal of Hemostan (Tranexamic Acid) must strictly follow the official conditions outlined in regulatory labeling.

Storage Conditions

  • Temperature: Both the oral tablets and the injection solution must be stored at Controlled Room Temperature (20 C to 25 C / 68 F to 77 F). The injection solution must not be frozen.
  • Protection: The injection solution requires protection from light.
  • Container and Handling: Tablets must be kept in the original container and the bottle must be tightly closed. The injection solution should not be stored near local anesthetics. Any diluted injection solution must be used within 4 hours.
  • Child Safety: The medication must be kept out of the sight and reach of children.

Disposal Requirements

Expired or unused Hemostan must be disposed of in accordance with local requirements. The product must not be thrown away via wastewater or household waste.

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

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