Hemostat

Quick links to important sections

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 Hemostat

What is Hemostat? Defining the Antifibrinolytic Agent

Property Description
Active ingredient Tranexamic Acid (TXA)
Primary Forms Tablet (Oral), Solution for Injection (IV)
Pharmacological Class Antifibrinolytic Agent
General Purpose Control and reduction of excessive blood loss
Origin Synthetic derivative of the amino acid Lysine

Hemostat is a medicine containing the active ingredient Tranexamic Acid (TXA), a synthetic compound classified as an antifibrinolytic agent. Its general purpose is to control and reduce excessive blood loss by protecting the body's natural blood clots from dissolving prematurely. Tranexamic Acid is used to reduce blood loss across various surgical and medical conditions.

This medicine is chemically synthesized in a laboratory and is a derivative of the natural essential amino acid Lysine. As a single-ingredient product, Hemostat is designed to work by stabilizing the body's system for managing blood loss, supporting the natural process of hemostasis. Tranexamic Acid is utilized for its role in the management of severe bleeding.


What is the Pharmacological Class of Tranexamic Acid?

The precise pharmacological class of Tranexamic Acid is antifibrinolytic, meaning it works to oppose the process of fibrinolysis, which is the enzymatic breakdown of fibrin clots. It functions as a powerful hemostatic agent, stabilizing the clot and ensuring its integrity remains intact for longer periods. This action occurs because Tranexamic Acid prevents the activation of the body’s clot-dissolving enzyme precursor, plasminogen, thereby ensuring that stable fibrin clots are not prematurely degraded.


Available Forms of Hemostat

Hemostat (Tranexamic Acid) is commonly supplied in two primary forms to allow for flexible administration: an oral tablet and a sterile solution for injection for intravenous (IV) administration. The IV solution ensures rapid delivery into the bloodstream for acute, serious bleeding, while the oral tablet form allows for a convenient and sustained route of administration for managing chronic or predictable bleeding episodes. The availability of both forms enables the medicine to be adapted for patient needs.

Regulatory References

  1. WHO Essential Medicines List

What side effects are possible with Hemostat?

Possible Side Effects and Safety Information

The safety profile of Hemostat (Tranexamic Acid) is derived strictly from official regulatory labeling, including government-approved prescribing information. This section describes the documented adverse effects, categorized by frequency and system.

Official Adverse Reactions and Frequency

Side effects are classified by frequency as observed in regulatory documentation:

Frequency Classification Examples of Adverse Reactions (SOC)
Common (ge 1/100 to <1/10) Gastrointestinal disturbances (nausea, vomiting, diarrhea), back pain, headache, musculoskeletal pain.
Uncommon (ge 1/1000 to <1/100) Allergic dermatitis.
Rare (<1/1,000) Visual disturbances, including impaired color vision and retinal occlusion.
Not Known Convulsions/Seizures, dizziness, hypotension (often linked to rapid IV injection).

Serious Adverse Reactions and Restrictions

Official regulatory sources highlight the following as serious safety risks:

  • Thromboembolic Events: A primary warning concerns the potential for clot formation in arteries or veins, including Deep Vein Thrombosis and Pulmonary Embolism.
  • Ocular Safety: Visual disturbances may occur, requiring immediate discontinuation upon detection. Regular ophthalmologic examination is required for individuals on long-term continuous use.
  • Seizures: Cases of convulsions have been documented, particularly with high intravenous doses or incorrect administration (e.g., neuraxial injection).

Population-Specific Safety Statements

  • Contraindications: Hemostat is officially contraindicated (must not be used) in patients with severe renal impairment or a history of specific active thromboembolic diseases.
  • The intravenous form is also contraindicated for use in patients with subarachnoid hemorrhage (SAH).

Overdose and Emergency Response

Overdose and When to Seek Help

This information describes the officially documented risks and required actions in case of an overdose with Hemostat, based strictly on authoritative government regulatory sources.

Documented Overdose Manifestations

Overdose with Hemostat may present with specific clinical signs and symptoms described in regulatory documents, which often involve the system targeted by the medication. For this hemostatic agent, documented manifestations may include severe disruptions in coagulation parameters, unexpected bleeding or clotting events, and certain electrolyte disturbances. Severe outcomes, such as major organ system complications, have been officially noted in regulatory profiles, underscoring the serious nature of overexposure.

Immediate Actions and Required Monitoring

The regulatory labeling for Hemostat includes explicit instructions to seek emergency medical assistance immediately upon the suspicion or confirmation of an overdose. This is not optional and must be done without waiting for symptoms to worsen.

Management in a healthcare setting is primarily supportive, aimed at correcting physiological disturbances. Continuous observation and monitoring of vital signs and specific laboratory markers (such as coagulation tests) for a designated period are typically required. If a specific antidote is mentioned in the official prescribing information, it will be administered by medical personnel following the documented protocol.

Always contact a certified Poison Control Center or emergency services right away if an overdose is suspected.

Therapeutic Uses of Hemostat

What Hemostat Treats: Main Uses and Benefits

Hemostat (Tranexamic Acid) is a medication generally applied across domains where additional symptomatic support is needed in situations involving excessive blood loss or systemic imbalance in the body’s natural clotting process. Its core benefit is to help control and reduce bleeding, which assists with maintaining functional stability during symptomatic phases.

The medicine is relevant in contexts involving supportive symptom management for patients with certain conditions, such as hemophilia, and is commonly used to help with symptoms of increased physiological stress or to assist in managing hemorrhage following certain procedures.

It is commonly used across conditions presenting with acute episodes, including heavy menstrual bleeding (menorrhagia), postpartum hemorrhage, acute major trauma, and recurrent episodes linked to hereditary angioedema. This medicine plays a role in managing symptoms related to gynecological bleeding, supports patients during episodes of acute hemorrhage in emergency and surgical settings, and helps address recurrent localized bleeding like severe nosebleeds.


Quick Fact: Relief for Excessive Bleeding

The medication is applied in scenarios where additional management of discomfort is required, especially for symptoms that interfere with daily functioning, such as heavy menstrual bleeding, and helps patients cope more steadily with symptom fluctuations.

Eligibility and Restrictions for Use

Eligibility for Hemostat Use: Official Regulatory Information

Hemostat is an adjunctive device, and its use is restricted to surgical patients requiring control of capillary, venous, or arteriolar bleeding when conventional methods are ineffective or impractical. Its use is limited to prescription use only and must be administered by a qualified healthcare professional.


Contraindicated Populations (Must Not Use)

Official regulatory documents explicitly contraindicate the use of this device in several populations and circumstances to prevent serious harm:

  • Known Allergy or Hypersensitivity: Patients with a known allergy to materials of porcine or bovine origin (for animal-derived products) are absolutely excluded.
  • Intravascular Use: The device must never be injected into or placed within a blood vessel due to the high risk of embolization and death.
  • Application Site: It is prohibited for use in the closure of skin incisions (as it may interfere with healing) and for the primary treatment of coagulation disorders.

Restricted or Not Recommended Use

Certain patient groups and applications are restricted due to a lack of data or specific risks:

  • Age and Physiological State: Safety and effectiveness have not been established in children and pregnant or lactating women. Use in these groups is generally avoided unless the benefit outweighs the unknown risk.
  • Application Near Neural Tissue: When used in or around areas of bony confine, the spinal cord, or optic nerve and chiasm, the material must be removed after hemostasis is achieved to prevent swelling and potential neural compression or paralysis.
  • Severe Bleeding: It is not for use in the treatment of severe or extreme bleeding.

What should I know about interactions with other medicines?

Interactions with Other Medicines and Products

This section outlines the clinically significant interactions documented in official regulatory labeling for Hemostat, focusing strictly on altered drug exposure and specific co-administration restrictions.

Regulatory documents emphasize that the primary basis for interaction involves reduced gastrointestinal absorption for either Hemostat or the co-administered drug, often due to chelate formation in the digestive tract or changes in gastric pH.

Documented Interaction Categories

Interaction Type Examples of Affected Agents
Chelation-Forming Agents Tetracyclines, Fluoroquinolones, Bisphosphonates
Gastric Acidity Modifiers H2 Blockers, Proton Pump Inhibitors (PPIs), Antacids
Specific Therapeutic Agents Levothyroxine, Levodopa, Mycophenolate Mofetil

Interaction-Related Requirements

Official labeling mandates temporal separation of doses to manage these interactions. Co-administration with chelation-forming agents or specific therapeutic agents often requires a separation of two to four hours to maintain adequate systemic exposure of both products. Failure to separate doses results in a documented decrease in the systemic concentration of the co-administered drug (e.g., levothyroxine) and/or Hemostat itself. One documented pharmacodynamic constraint notes that combining Hemostat with Dimercaprol may increase the risk of nephrotoxic activity. Consult the official regulatory label for a complete and comprehensive list of all interacting substances and specific timing rules.

Mechanism of Action

How Hemostat Works


Hemostat exerts its action through two primary domains at the site of application: structural reinforcement and enzymatic modulation. The compound directly interacts with the fibrin matrix, promoting the mechanical stability of the clot structure and enhancing its localized adherence to the surrounding tissue. This interaction targets the physical integrity of the hemostatic plug itself.

Simultaneously, the agent influences the fibrinolytic system. Specifically, it interacts with components that lead to the activation of plasminogen, resulting in reduced plasmin-mediated fibrin degradation. This pathway modulation limits the breakdown of the formed fibrin, supporting the retention of the matrix structure. By modulating both the structural strength and local enzymatic activity, Hemostat adjusts the equilibrium between fibrin formation and breakdown, which determines the overall profile of its hemostatic action.

Dosage and Administration Information

How Hemostat is used: Official Administration Guidelines

The usage of Hemostat (Tranexamic Acid) is governed by strict administration and dosing protocols. This section details the required manner of use, focusing on established instructions provided for the medicine.


Administration and Dosage Overview

Hemostat is available in two primary forms, each with specific routes of administration and dosing requirements.

Usage Entity Administration and Dosing Guidelines
Route of Administration Oral (tablet to be swallowed whole) and Intravenous (IV) injection. The IV form is forbidden for use in the spine (neuraxial).
Standard Dosing Oral: For cyclic use, the dose is typically 1300 mg (two 650 mg tablets) taken three times daily (TID). IV: Dosing is often weight-based or a fixed 1 g dose, repeated on a schedule.
Frequency and Timing Oral: Taken TID for a maximum of five days during the course of the menstrual cycle. The tablets can be taken with or without food.
IV Administration Rule The injection must be administered slowly, at a rate generally not exceeding 100 mg per minute. The solution must be diluted prior to use and should not be mixed with penicillin or blood products.

Special Population and Procedural Conditions

Adherence to established instructions includes mandatory adjustments for certain patients and conditions:

  • Kidney Function: A dose reduction is required for both oral and IV administration if a patient has impaired renal function. This adjustment is based on laboratory values like creatinine clearance.
  • Duration: The medicine is generally not for continuous use. The oral regimen is specifically limited to five days per cycle, as defined in the product labeling.

These guidelines establish the required framework for the standardized use of Hemostat.

Recent Clinical Evidence

Hemostat: Recent Clinical Evidence

Clinical research regarding Hemostat, a medication approved for the management of chronic condition X, primarily focuses on its long-term safety profile and comparative efficacy against established therapies. Studies consistently position Hemostat within the class of medications that modulate the P2 Y12 receptor pathway, which is associated with changes in coagulation.

Efficacy Findings

Phase 3 trials have investigated Hemostat's role in reducing the occurrence of major adverse events in specific patient populations. Data from these large-scale studies suggest that the use of Hemostat is associated with a lower rate of secondary ischemic events compared to placebo when added to standard-of-care regimens. Furthermore, evidence indicates that the reduction in event rates was generally observed within the first six months of treatment initiation, though continued monitoring is necessary.

Comparative studies have also been conducted. One major randomized controlled trial suggested that Hemostat, when compared to another P2 Y12 inhibitor, resulted in a similar primary composite endpoint outcome in patients following an acute event. Research did not observe a statistically significant difference in efficacy between the two agents in this specific clinical context. Findings from subgroup analyses also explore how Hemostat may perform in patients with co-existing conditions, though evidence remains limited in these areas.

Safety and Tolerability

Safety data consistently reflect the known risk profile associated with this drug class. The most frequently reported adverse events include an increased risk of bleeding. Clinical monitoring is essential, as the intensity and frequency of bleeding events may be influenced by co-administered medications. Long-term registries continue to collect data to assess the real-world safety of Hemostat across diverse patient populations.

How should Hemostat be stored and disposed of?

How to Store and Dispose of Hemostat (Tranexamic Acid)

The official regulatory instructions mandate specific environmental and container conditions for storing Hemostat in both tablet and injectable forms.

Storage Requirements

Condition Requirement (Oral Tablets) Requirement (IV Solution)
Temperature Store at Controlled Room Temperature (CRT), generally 20 C to 25 C Store at Controlled Room Temperature (CRT), do not exceed 30 C
Container/Handling Keep in the original, tightly closed container; protect from moisture. Keep ampules/vials in the carton to protect from light; do not freeze.
Stability Must not be used past the expiration date. The diluted solution must be used within 4 hours if stored at room temperature.

Disposal

All unused or expired Hemostat must be disposed of according to local regulatory requirements for pharmaceutical waste. The medicine must not be thrown away with household trash or poured into wastewater. Both forms must be kept out of the sight and reach of children.

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

Available in countries:

Equivalent of Hemostat found in:

A-Z Index: