Haemostop

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Haemostop

Method of action: Angioprotective, Hemostatic

Treatment option: Crush Injury

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 Haemostop

What Is Haemostop? An Overview

Property Description
Active ingredient Etamsylate
Form Solution for injection, Oral tablets
Pharmacological class Systemic Hemostatic Agent (Antihemorrhagic)
General purpose Prevention and reduction of capillary bleeding
Origin Synthetic drug

What Is Haemostop and Its Pharmacological Class?

Haemostop is a medicine containing the synthetic active ingredient Etamsylate, officially classified as a systemic hemostatic (or antihemorrhagic) agent. This substance is derived from benzenesulfonic acid and functions to support the body's mechanisms for managing blood loss. Etamsylate acts as a hemostatic agent that decreases capillary bleeding time and blood loss. For patients, this means the medicine is designed to help reduce the duration and volume of bleeding from small vessels.


Haemostop’s Forms and Core Purpose

The medicine is available for systemic administration in two main pharmaceutical preparations: a solution for injection and oral tablets. The solution is administered parenterally (intravenous or intramuscular), while the tablets are for enteral (oral) intake, offering versatility in patient care settings. Haemostop's core purpose is to prevent or reduce excessive bleeding by improving the structural integrity and resistance of the microcirculation system. Etamsylate exerts an angioprotective effect, reducing capillary blood loss. This effect indicates the medicine strengthens fragile vessel walls to help prevent leakage. It achieves this benefit by stabilizing the walls of fragile capillaries and enhancing the adhesiveness of platelets, without significantly altering the general blood coagulation time.

What side effects are possible with Haemostop?

Possible Side Effects and Safety Information

The official safety documents for Haemostop (Etamsylate) categorize reported adverse reactions according to the affected body system and frequency of occurrence. These classifications allow for the structured communication of potential risks, as established by government regulatory standards.


Frequency-Classified Adverse Reactions

Adverse effects listed as Common (affecting up to 1 in 10 patients) primarily involve Gastrointestinal disorders, such as nausea, diarrhoea, and abdominal discomfort. Other common effects include headache, a rash on the skin, and asthenia (weakness).

Reactions classified as Very Rare (affecting fewer than 1 in 10,000 patients) are documented across several systems and include serious events such as thromboembolism and hypotension (low blood pressure) under Vascular disorders. Very Rare effects also include certain severe Blood and lymphatic system disorders, such as agranulocytosis, neutropenia, and thrombocytopenia, and hypersensitivity reactions that may lead to anaphylactic shock.


Safety Considerations and Constraints

The regulatory label notes that documented adverse reactions are generally reversible upon discontinuation of the treatment course. Specific constraints apply to the injection formulation, requiring caution during administration in patients with pre-existing hypotension or unstable pressure, due to the risk of further blood pressure reduction. Furthermore, the presence of sodium metabisulphite as an excipient in the injection solution is specifically noted, as sensitivity to sulphites is observed more frequently in individuals with asthma.

Overdose and Emergency Response

Haemostop Overdose and When to Seek Help

The official regulatory documentation for Haemostop (Etamsylate) provides concise, specific guidance for required emergency action in the event of overdosage.

Overdose Scope and Required Action

Element Regulatory Statement
Documented Presentations Specific clinical signs, symptoms, or life-threatening outcomes are typically not explicitly detailed in the official regulatory overdose sections.
Population Notes No specific increased risks or unique management considerations for specific patient populations are explicitly documented.
Emergency Help Required Any suspected or confirmed overdosage mandates that the patient seek immediate medical attention.

Official Overdose Statements

  • No Specific Antidote: Regulatory sources confirm that no specific antidote is known for Etamsylate overdosage.
  • Required Management: The procedural instruction for managing an overdose event is the provision of symptomatic and supportive treatment.
  • Monitoring: Hospital monitoring or clinical observation may be required following initial management, based on medical assessment.

This structure defines the overdose profile primarily through mandated actions. Due to the explicit statement that no specific antidote is known, the required emergency actions focus on the universal instruction to seek immediate medical attention for all suspected overdosages, directing all post-exposure care toward general supportive measures.

Therapeutic Uses of Haemostop

Haemostop is a medication relevant when supportive symptom management is appropriate for bleeding associated with heightened physiological activity. Etamsylate is used in the management of such conditions. The use of the medication is applied across domains where additional symptomatic support is needed.

The medication is applied in situations involving certain distressing symptoms. These symptoms include heavy menstrual flow, abnormal bleeding (intermenstrual cycles), localized bleeding (such as nosebleeds and hematuria), and post-procedural oozing following surgical or dental interventions. In these scenarios, Haemostop is used to help address symptom clusters that may become intense or disruptive.

“The medication is generally applied in settings where symptoms become temporarily overwhelming due to heavy, fluctuating blood loss.”

This use generally supports the patient during difficult episodes by easing distress and helps improve day-to-day comfort during symptomatic periods. The medication may be part of symptomatic management in specialized contexts, such as situations involving recurrent or episodic manifestations in vulnerable patient groups like premature and low birth-weight infants.


Quick Fact: Relief for Heavy and Protracted Bleeding The medication contributes to easing the overall symptom load and supports patients during episodes of heightened discomfort by focusing on symptoms that create noticeable physiological strain.

Eligibility and Restrictions for Use

Who can and cannot use Haemostop?

Haemostop (Etamsylate) eligibility is strictly defined by regulatory documents, distinguishing between populations who are allowed, restricted, or absolutely prohibited from using the medicine.

Absolute Contraindications

The medicine must not be used in patients with a known hypersensitivity to Etamsylate or to any excipient, including those with a confirmed sulphite hypersensitivity (found in some formulations). Use is also strictly contraindicated for individuals with Acute Porphyria and for those with active thromboembolic disorders or a history of thrombosis.

Age and Condition Rules

While use is established for adults, Haemostop is explicitly indicated for the prophylaxis and treatment of periventricular haemorrhage in a specific group: low birth-weight infants (less than 1.5 Kg).

For other populations, conditional use is required. Regulators advise caution when administering the medicine to patients with renal impairment or hepatic impairment due to a lack of dedicated clinical data. Caution is also necessary for patients with unstable blood pressure or hypotension when using the injection.

Pregnancy and Lactation

Use during pregnancy requires caution, as clinical data are insufficient. During lactation, use is generally inadvisable, and the official label suggests that treatment must be stopped if breastfeeding is continued.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Haemostop (Etamsylate) primarily documents strict procedural constraints and physicochemical incompatibilities related to the preparation and administration of the injection solution. The regulatory profile does not contain documented information on classic pharmacokinetic interactions, such as those involving CYP enzymes or drug transporters that might alter drug exposure.

Interaction Type Specific Restriction or Outcome
Physicochemical Incompatibilities The injection solution is officially incompatible with Compound Sodium Lactate solutions and Sodium Bicarbonate solutions.
Supplement / Excipient Interaction The sulphite excipient in the injection solution formally causes the inactivation of Thiamine (Vitamin B1).
Administration Sequencing Mandatory Sequence: If a Dextran infusion is required for treatment, Etamsylate must be injected first.
Stability Timing When mixed with saline, the diluted solution must be used immediately due to documented stability and purity concerns.

Official Procedural Constraints

  • Laboratory Test Interference: Etamsylate has been documented in regulatory reports to interfere with the Enzymatic Creatinine Assay, causing a negative bias in the resulting measurement.
  • Drug-Drug Exposure: No information is documented in official sources regarding drug-drug contraindications or exposure-modifying interactions for the oral or injectable forms.

The official regulatory documents define the product’s interaction structure by these highly specific preparation and administration rules, ensuring correct physical compatibility and procedural timing for the medicine.

Mechanism of Action

How Haemostop Works

Stabilizing the Fibrin Clot (Antifibrinolysis)

Haemostop's core mechanism is the competitive inhibition of the physiological system of fibrinolysis. The drug binds to specific lysine-binding sites on the key proteins, plasminogen and active plasmin, limiting their capacity to bind to and break down the fibrin meshwork of a clot. This action preserves the integrity of the formed fibrin clot, resulting in stabilization of the fibrin matrix through decreased degradation.

Supporting Primary Hemostasis (Vascular and Platelet Modulation)

The compound also exerts a modulating effect on the initial stages of the process of primary hemostasis. It influences the interaction between circulating platelets and components of the damaged vascular endothelium at the site of injury. This modulating effect on the processes of platelet adhesion and aggregation supports the structural integrity of the initial hemostatic plug.

Dosage and Administration Information

Instruction Map: How to use Haemostop

This map outlines the administration and dosing parameters for Etamsylate (Haemostop).


Administration Scope

Element Instruction
Route of administration Etamsylate is used for Intravenous (i.v.), Intramuscular (i.m.), Oral (p.o.) tablet intake, and Local/Topical application using the contents of the injection solution.
Dosing schedule Presurgical Adult: A single dose of 250 mg to 500 mg by injection. Postsurgical/Emergency Adult: 250 mg to 500 mg per dose by injection. General Adult Oral Use: Doses typically range from 250 mg to 500 mg per intake.
Timing in relation to meals (if applicable) Oral tablets may be taken after food.
Preparation requirements (if applicable) Local treatment involves soaking a swab with the contents of the ampoule and applying it directly to the affected site.
Age-group administration rules Neonates are dosed at 12.5 mg/kg via i.v. or i.m. injection within an hour of birth. No specific dose adjustments are detailed for patients with renal or hepatic impairment.
Missed-dose rules Not explicitly defined, as administration follows scheduled or as-needed acute use patterns.
Special procedural conditions The injection is incompatible with Thiamine (Vitamin B1). Due to the potential for a drop in blood pressure, caution is advised during parenteral administration.

Instruction Classifications (High-Level)

Classification Pattern/Basis
Administration method type Systemic (Parenteral/Oral) and Local (Topical).
Frequency pattern Scheduled/Intermittent (Every 4–6 hours postsurgical/emergency) and Thrice Daily (General oral use).
Clinical application pattern Based on documented administration protocols.
Use-context constraints Time-dependent (1 hour pre-surgery) and Acute-episode duration (continued as long as bleeding risk persists).

Resulting Procedural Structure

Step sequence (illustrative sequence for a surgical procedure):

  • Administer the 250 mg to 500 mg dose via i.v. or i.m. injection one hour before the scheduled surgical procedure.
  • Following the operation, if repeat administration is necessary, administer 250 mg to 500 mg at an interval of every 4 to 6 hours.
  • Continue the course of treatment as long as the risk of bleeding persists.

Connection to the overall use protocol

The instructions establish a structured protocol defining the route and dose for specific use-contexts. They include time-based parameters, such as the one-hour presurgical timing and the four-to-six-hour post-procedure frequency, and include necessary procedural steps like blood pressure monitoring during intravenous use and confirmation of incompatibility with Vitamin B1. This structure characterizes the application of Etamsylate across various administration scenarios.

Recent Clinical Evidence

Research evidence / Overview of studies for Haemostop


Evidence for use in Heavy Menstrual Bleeding (Menorrhagia)

Research has explored the use of the component in Haemostop in patients experiencing heavy menstrual bleeding, a condition characterized by fluctuating or episodic manifestations. These studies typically involved short-term randomized trials that monitored outcomes related to measured blood loss and patient-reported outcomes describing perceived discomfort and impact on daily functioning. Findings describe patterns observed during the study period, where treated groups showed measured changes in blood loss compared to control groups. However, the evidence is limited regarding patterns of symptom recurrence and the sustained effects after the treatment period has ended.

Evidence for use in Surgical and Trauma Settings

The component was also evaluated in research scenarios involving trauma patients with significant bleeding and in those undergoing certain surgical procedures, such as dental extractions in patient populations with pre-existing clotting considerations. These studies monitored outcomes linked to survival (in trauma) and rates of rebleeding post-procedure. Data show patterns related to a reduced need for blood transfusions when the component was administered shortly after a traumatic injury. Studies focusing on dental extractions suggest the use of the component was associated with fewer postoperative bleeding incidents compared to conventional measures in observed populations.


Long-term studies and follow-up

Follow-up durations in most high-quality studies exploring the effects of this component have been limited to the short-term or intermediate periods (weeks to a few months). Long-term outcomes are not fully established regarding the durability of the observed changes in blood loss patterns. For example, research provides limited insight into the sustained effects on vascular function or the patterns of symptoms years after initial use.

What is still uncertain about Haemostop

Evidence quality varies across studies, and findings were mixed in certain surgical and trauma subgroups. Furthermore, data for certain groups remain insufficient, including pregnant or breastfeeding populations and individuals with specific comorbid conditions like kidney disease. Comparative evidence against all other therapeutic options is lacking, meaning research provides context but does not determine whether an individual will respond similarly or how the observed short-term changes translate into long-term quality of life.

Key Studies & References

  1. Tranexamic acid to reduce surgical bleeding - Royal College of Surgeons Implementation Group Guidance
  2. Label: TRANEXAMIC ACID tablet - DailyMed (FDA-Approved Labeling)

Frequently Asked Questions (FAQ)

Common questions about Haemostop (FAQ)


Q: What is Haemostop actually used for besides the main condition?

Official drug documents list indications including Menorrhagia (heavy menstrual bleeding) and to manage bleeding associated with various surgical procedures (pre-, during, and post-operation). The drug is also indicated to prevent a specific type of bleeding in low birth-weight infants.


Q: Is Haemostop the same as other products that stop bleeding?

Haemostop is a medicine that belongs to the class of hemostatic agents. The drug's mechanism—strengthening capillary walls and improving platelet adhesion—is distinct from the way other hemostatic agents affect the clotting cascade.


Q: Why do some people call Haemostop a 'blood thickener'?

Haemostop is officially classified as a hemostatic agent that works on small blood vessels and platelets. Its primary action involves stabilizing the existing fibrin clot and making platelets stickier to help reduce capillary bleeding. While this action supports clot integrity, official information indicates that it does not significantly alter the general blood coagulation time in the way some people might understand the term 'blood thickener'.


Q: How quickly does Haemostop start working after it's taken?

Based on pharmacokinetics data, the time required for the oral form of the medicine to reach its peak concentration in the body is approximately 4 to 5 hours after ingestion. This is based on pharmacokinetics data provided in official summaries.


Q: How long do the effects of Haemostop usually last?

The duration of the effect is generally understood through its elimination half-life, which is the time it takes for half of the dose to be cleared from the body. This half-life is reported to be between 3.7 and 9.4 hours for the oral form, and roughly 2 hours for the intravenous form.


Q: What kind of foods or drinks should be avoided while using Haemostop?

General patient guidance accompanying the medicine suggests maintaining hydration, although the drug label does not list specific food restrictions. This guidance commonly suggests reducing excessive consumption of items like alcohol, tea, coffee, or cold drinks.


Q: Is there a warning about Haemostop and alcohol consumption?

Yes, patient guidance generally advises avoiding alcohol while using this medicine. The warning is in place because alcohol consumption may potentially increase the risk of side effects or interact with the underlying condition the medicine is intended to manage.


Q: Does Haemostop cause drowsiness or fatigue?

Official regulatory documents for Haemostop list asthenia as a common side effect. Asthenia is a medical term for general weakness or lack of energy. However, drowsiness is not specifically listed among the documented adverse reactions.


Q: Can you take Haemostop on an empty stomach?

Official product information indicates that the oral tablets can generally be taken with or without food, as directed by a healthcare provider. Some regulatory summaries specify that the oral dose may be taken after food.


Q: Can Haemostop be used by people with a history of heart issues?

Official regulatory documents indicate that Haemostop is contraindicated (not recommended) in patients with active blood clot disorders (thrombosis) or a history of having had a blood clot. Caution is also advised when administering the injection to people with unstable or low blood pressure.


Q: Are there any age restrictions for using Haemostop?

Official drug documents indicate that Haemostop has a specific indication for use in low birth-weight infants to prevent a certain type of bleeding in the brain. Outside of this highly specific use in neonates, the medicine is primarily used by adults.


Q: Do studies mention if Haemostop is appropriate for children?

Official dosing guidelines provide specific instructions for the use of the injection in neonates (low birth-weight infants) for specific bleeding prophylaxis. For children outside of this very specific group, use is generally not recommended based on current regulatory documentation.


Q: What is the difference between Haemostop and a standard vitamin K shot?

Haemostop is a medicine that works by strengthening capillary walls and improving platelet adhesion. In contrast, Vitamin K is essential for the liver to produce certain clotting factors necessary for the blood coagulation cascade. Therefore, they work through entirely different mechanisms, as described in regulatory summaries.


Q: Why is Haemostop sometimes described as an 'antifibrinolytic'?

Haemostop's core mechanism involves the inhibition of fibrinolysis, which is the body's natural process for breaking down a blood clot. A medicine that interferes with this process is pharmacologically considered to have an antifibrinolytic action.


Q: Do I need any special monitoring while taking Haemostop?

Official documents indicate that monitoring may be necessary during administration by injection due to the potential for a temporary drop in blood pressure. The medicine has also been documented to interfere with results from the Enzymatic Creatinine Assay, a specific type of laboratory test.


Q: What is the main purpose of Haemostop according to the FDA label?

Haemostop (Etamsylate) is classified in regulatory resources as a Systemic Hemostatic Agent, also called an antihemorrhagic agent. Its general purpose is described as preventing or reducing excessive bleeding by strengthening the walls of small blood vessels, or capillaries.


Q: Are there gender-specific warnings or different use conditions for Haemostop?

Yes, official product information includes indications related to conditions specific to females, such as Heavy Menstrual Bleeding (Menorrhagia). The official label also provides specific cautions and guidance regarding the use of the medicine during pregnancy and lactation.


Q: Can a person with a bleeding disorder diagnosis use Haemostop?

Official information indicates that the medicine is used to prevent and control certain types of bleeding, such as in patients with Heavy Menstrual Bleeding. Research has also examined its use in certain surgical procedures, particularly for patient populations who have pre-existing clotting considerations.


Q: What is the general success rate mentioned in clinical trials for Haemostop?

Official summaries of clinical trials report that treated groups demonstrated measured changes in blood loss compared to control groups in various studies. Evidence also describes an association with fewer postoperative bleeding incidents in relevant surgical settings, but a single overall 'success rate' percentage is not provided in regulatory documents.


Q: Is the side effect profile of Haemostop different for older adults?

Yes, specific warnings are provided in the official product information. The label indicates that caution may be necessary when the medicine is administered to older adults, especially those who may have pre-existing liver or kidney impairment.


Q: Why is hydration mentioned sometimes in relation to Haemostop use?

Patient guidance often suggests staying well hydrated by drinking plenty of fluids while using this medicine. This is a general supportive recommendation to help maintain blood flow in the body, which is an important aspect of managing bleeding conditions.


Q: Are there any known issues with taking Haemostop and herbal supplements?

Official regulatory documents do not provide specific information regarding documented interactions between Haemostop and herbal supplements. However, general patient safety guidance requires that patients always inform their healthcare provider of all medicines and supplements being taken.

How should Haemostop be stored and disposed of?

How to Store and Dispose of Haemostop (Etamsylate)

The official storage and disposal requirements for Haemostop are defined by its formulation to ensure stability and public safety.

Storage Requirements

  • Temperature and Light: Oral tablets must not be stored above 30°C and require storage in the original package to protect from moisture. The solution for injection should be kept in the outer carton to protect from light.
  • Child Safety: All forms of the medicine must be kept out of the sight and reach of children.

Disposal and Stability

  • Single Use: The solution for injection is for single use only, and any unused portion must be discarded.
  • Disposal: Unused or expired Haemostop must be disposed of in accordance with local requirements and should not be disposed of via wastewater or household waste.

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

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