Hemostop

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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 Hemostop

What is Hemostop? Monosemantic Overview

Property Description
Active ingredient Tranexamic Acid (TXA)
Form Tablet and Solution for injection
Pharmacological class Antifibrinolytic; Hemostatic
Common use Control and management of bleeding episodes
Origin Synthetic (a lysine analog)

What Type of Medicine is Hemostop and its Active Ingredient?

Hemostop is a prescription medication whose active substance is Tranexamic Acid (TXA), classifying it as an antifibrinolytic agent and, broadly, a hemostatic. The compound is a synthetic lysine analog, structurally similar to the natural amino acid lysine. Tranexamic Acid is categorized within the Established Pharmacologic Class of Antifibrinolytic Agents. This identity communicates the drug’s central purpose: to act as a stabilizing influence on the clotting system and help control bleeding episodes. Tranexamic Acid is recognized for its use in various scenarios involving excessive fibrinolysis.

How Does Hemostop Prevent Clot Breakdown?

Hemostop’s primary function is to serve as a fibrinolysis inhibitor, meaning it works by preserving existing blood clots rather than creating new ones. It achieves this by slowing down fibrinolysis, the biological process responsible for the dissolution of blood clots. Tranexamic Acid functions by reducing fibrinolytic bleeding through the inhibition of the activation of plasminogen. The simple conclusion for the patient is that the medicine helps the body stabilize clots, which effectively aids in stopping the blood flow. This controlled preservation of clots is essential in managing a hemorrhage.

Forms and Composition: Available Presentations of Tranexamic Acid

Hemostop is made available as a single-ingredient product in two primary dosage forms for systemic administration: the tablet for oral intake and the solution for injection for intravenous (IV) use. In the injectable form, the Tranexamic Acid is dissolved in a sterile aqueous solution. The active substance belongs to a class of agents used to prevent or treat conditions associated with increased bleeding. This dual presentation offers flexibility for both acute hospital settings and continuous at-home management.

What side effects are possible with Hemostop?

Possible side effects and safety information

The official safety profile for Hemostop (Tranexamic Acid) organizes potential risks by frequency and the body system affected, as documented in regulatory sources such as the EMA Summary of Product Characteristics (SmPC) and FDA DailyMed.

Frequency and System-Organ Class

The most frequently reported adverse reactions are generally gastrointestinal disturbances, such as nausea, vomiting, and diarrhea, which are officially classified as common in frequency. Uncommon reactions may include allergic skin reactions (allergic dermatitis).

Reactions classified as rare include thromboembolic events (blood clots) and disturbances in colour vision.

System-Organ Class Examples of Documented Reactions
Gastrointestinal Disorders Nausea, Vomiting, Diarrhea
Vascular Disorders Thromboembolic events, Hypotension (low blood pressure)
Nervous System Disorders Convulsions, Dizziness

Serious Safety Risks and Limitations

Specific serious adverse reactions are highlighted in regulatory labeling, including the potential for thromboembolic events (arterial or venous clotting) and convulsions (seizures), which are rare but clinically significant risks. The risk of convulsions may be higher with rapid intravenous administration or high doses.

Official regulatory documents define contraindications where use of Hemostop is restricted, such as in patients with active intravascular clotting or active thromboembolic disease. Furthermore, special safety considerations exist for certain populations: a dose adjustment is explicitly required for patients with renal impairment to prevent drug accumulation and potential toxicity.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose with Hemostop (Tranexamic Acid) may present with specific documented signs and carries a risk of severe, life-threatening outcomes, as detailed in regulatory prescribing information.

Documented Overdose Manifestations

System Clinical Signs
Gastrointestinal Severe nausea, vomiting, and diarrhea.
Neurological Convulsions (seizures), mental status changes, and headache.
Cardiovascular Hypotension (low blood pressure).
Ocular Visual impairment or chromatopsia.

Severe Outcomes and Required Emergency Actions

The primary life-threatening complications documented are thromboembolic events (e.g., deep vein thrombosis, pulmonary embolism) and severe hypersensitivity reactions (anaphylaxis). Regulatory documents require that immediate medical attention be sought for any suspected overdose or in the event of severe reactions such as a seizure, severe rash, or anaphylaxis. The product must be discontinued immediately if visual or ocular symptoms occur, and patients must be referred for ophthalmic evaluation. In overdose situations, management is focused on symptomatic and supportive treatment, including consideration of gastric lavage or activated charcoal for decontamination. No specific antidote is officially known. EEG monitoring may be required for certain neurological signs. Patients with renal impairment carry an increased risk of toxicity due to accumulation.

Therapeutic Uses of Hemostop

What Hemostop Treats: Main Uses and Benefits

Hemostop, which contains Tranexamic Acid, is a medication generally applied across domains where additional symptomatic support is needed to manage excessive blood loss. It is commonly used in clinical settings that involve acute or unstable symptom patterns, offering therapeutic assistance in both acute and recurrent conditions. The medication is primarily classified as an antifibrinolytic used to address heavy bleeding.


This medication is relevant for easing symptoms linked to conditions such as heavy menstrual bleeding (Menorrhagia), postpartum hemorrhage (PPH), significant trauma-associated blood loss, and bleeding associated with procedures like major surgery or dental extractions in high-risk patients. These therapeutic uses are focused on managing episodes where symptoms create noticeable physiological strain.

Quick Fact: Relief for Bleeding Episodes

Hemostop supports symptomatic management in two key clinical scenarios: is used for managing significant blood loss following trauma or childbirth, and is relevant for easing excessive, recurrent bleeding related to chronic conditions. It is applied when short-term symptomatic assistance is needed in situations involving heightened systemic burden.

Regulatory References

  1. Tranexamic Acid MedlinePlus Overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Hemostop? (Tranexamic Acid)

Official regulatory guidelines strictly define the eligible population for Hemostop, primarily based on the patient's existing risk factors and physiological status. The medicine is contraindicated (must not be used) in patients with active thromboembolic disease (such as Deep Vein Thrombosis or Pulmonary Embolism) or a history of specific thrombotic events like retinal vessel occlusion. Contraindication also applies to patients with severe renal impairment, as this may lead to drug accumulation.

Key Restrictions and Limitations

Population Group Eligibility Status Restriction Type
Pregnancy (First Trimester) Not Recommended Precaution due to insufficient clinical data.
Breastfeeding Mothers Not Recommended Excreted in human milk.
Severe Renal Impairment Contraindicated Organ function limitation.
Mild to Moderate Renal Impairment Conditional Use Requires mandatory dosage adjustment.
Children Under 1 Year Not Established Safety and efficacy data are insufficient.

The injectable form is strictly contraindicated in patients with Subarachnoid Hemorrhage or a history of convulsions/seizures. Additionally, women taking combined hormonal contraceptives are contraindicated for the oral form when used for heavy menstrual bleeding.

What should I know about interactions with other medicines?

The active ingredient in Hemostop, commonly tranexamic acid in many regions, has documented interactions primarily concerning the risk of blood clots. Patients must inform their healthcare provider of all current medications, including prescription, over-the-counter drugs, and herbal supplements.

Increased Risk of Thromboembolism

Concomitant use with agents that also promote blood clotting or inhibit its breakdown can increase the risk of serious thromboembolic events such as deep vein thrombosis or stroke. This includes:

  • Combination Hormonal Contraceptives: The use of Hemostop with birth control pills, patches, or rings containing both estrogen and progestin is generally discouraged due to a potentially heightened risk of blood clots. This risk is notably higher in women who smoke or are overweight.
  • Pro-thrombotic Agents: Avoid combining this medicine with certain medical products like Factor IX Complex concentrates or Anti-inhibitor Coagulant concentrates due to the increased risk of thrombosis.

Other Documented Interactions

The product may decrease the therapeutic effect of thrombolytic agents (clot-dissolving medicines) such as Alteplase or Anistreplase, which act to break down existing clots. Additionally, when administered intravenously, the solution must not be mixed with blood or solutions that contain penicillin.

Mechanism of Action

How Hemostop Works

Hemostop is engineered to target specific regulatory systems within the body's hemostatic mechanisms. Its action is strictly confined to modulating specific molecular pathways, resulting in an adjustment of specific physiological parameters.


Targeted Enzyme Modulation

Hemostop initiates its action by selectively modulating a defined enzyme within the coagulation system. This interaction acts as a key regulatory checkpoint, reducing the enzyme's capacity to amplify pro-coagulant signals. This mechanism is central to engaging molecular processes that modulate overactive or dysregulated mechanisms, thereby initiating a reduction in signal amplification.


Stabilizing the Fibrinolytic Cascade

Beyond the initial target, the mechanism extends to modify early molecular steps in the fibrinolytic cascade, which governs clot breakdown. Hemostop modulates the regulation of this system to affect the structural integrity of the fibrin matrix. This modification is essential for reducing the resulting effects of excessive mediator activity and leading to modified physiological responses within targeted pathways.

Dosage and Administration Information

How Hemostop is Used: Official Administration Guidelines

Hemostop, which contains Tranexamic Acid, is used according to specific, standardized instructions. Its application is defined by the form used, the route of administration, and a required short-term duration.


Administration and Dosage Structure

The medicine is available as an oral tablet and a solution for intravenous (IV) injection; the intramuscular route is prohibited. The choice of form depends on the clinical context, with the injection typically reserved for situations requiring precise, controlled administration in a hospital setting.

Administration Element Official Principle
Route of Use Oral or Intravenous (IV) only
Standard Oral Dose 1300 mg (two 650 mg tablets) per administration
Standard IV Dose Typically 1 g or 10 mg/kg per dose
Frequency Administered three times daily (TID) or every 6 to 8 hours
Duration Mandated as short-term use; for oral cyclic therapy, a maximum of 5 consecutive days

Key Usage Requirements and Adjustments

For oral administration, the tablets are to be swallowed whole and may be taken with or without food. When the medication is given intravenously, it must be administered very slowly, not exceeding a rate of 1 mL per minute. Failure to adhere to the slow infusion rate is a key procedural restriction.

A specific dose reduction is required for both oral and IV administration in patients with impaired kidney function, based on measured serum creatinine clearance. This population-specific adjustment is critical for proper use and prevents accumulation of the active substance.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Hemostop

Research Evidence for Acute, Life-Threatening Bleeding

The most extensive research on Hemostop has was studied for severe bleeding in adults following significant trauma-associated blood loss and postpartum hemorrhage (PPH). Large, international Randomized Controlled Trials (RCTs) monitored critical outcomes related to systemic or functional imbalance, such as patient survival and the need for external blood transfusions.

Studies explored patterns related to the timing of administration. Findings suggest that observed outcomes were less favorable when administration was observed later, highlighting the time-dependent nature of the patterns observed in these acute settings. Research is ongoing to clarify the variability in dosing for different types of severe bleeding.


Evidence Supporting Use in Heavy Menstrual Bleeding

For conditions characterized by fluctuating or episodic manifestations such as Menorrhagia (heavy menstrual bleeding), the evidence primarily was observed in numerous placebo-controlled trials and systematic reviews. These trials was studied for adult women to quantify blood loss and monitor patient-reported outcomes describing perceived discomfort and changes in daily functioning.

Research highlights changes measured during the study period that reflect the study's aim to explore the effect on the measured volume of blood loss. However, long-term effects are not fully established because the trials mainly focused on cyclical, short-term use, and follow-up durations were limited beyond approximately six cycles.


Evidence in Specific Patient Groups

Research was evaluated in several specific groups, including patients undergoing major surgical procedures and individuals taking anticoagulant therapy who require dental work. Findings for these groups contribute to the broader evidence landscape by describing the scenarios in which the medicine was studied for research exploring outcomes related to physiological strain or stress.

Data for certain groups remain insufficient. For instance, evidence describing the use of Hemostop in children is highly limited compared to adults. Similarly, studies for other maternal conditions outside of the immediate postpartum hemorrhage scenario are not the central focus of the established research base. Therefore, results apply only to the populations studied in the major trials.

Frequently Asked Questions (FAQ)

Common questions about Hemostop (FAQ)

Q: What is Hemostop and what is it used for?

A: Hemostop is the brand name for a medication whose active ingredient is etamsylate. It belongs to a class of drugs known as hemostatic agents. It is primarily used to reduce or prevent bleeding from small blood vessels (capillaries).

It works by helping blood platelets stick together (aggregation) and by strengthening the walls of the capillaries to make them less fragile. This action helps to control bleeding associated with certain conditions or medical procedures.

Q: How long does it take for Hemostop to start working?

A: When taken orally (by mouth), the effects of Hemostop usually begin to be noticeable within 1 to 2 hours after taking the dose. The peak effect, meaning when the medicine is working most strongly, is generally reached about 3 hours after administration.

However, the exact time it takes to see bleeding control can vary based on the specific condition being treated, the dosage, and individual patient factors.

Q: What should I do if I miss a dose of Hemostop?

A: If you forget to take a dose of Hemostop, take it as soon as you remember, unless it is almost time for your next scheduled dose. If it is close to the time for the next dose, simply skip the missed dose and continue with your regular dosing schedule.

Do not take a double dose to make up for a forgotten one. Taking more than the prescribed amount does not provide extra benefit and may increase the risk of side effects.

Q: Can Hemostop be used during pregnancy or while breastfeeding?

A: Pregnancy: Limited data is available regarding the use of Hemostop (etamsylate) in pregnant individuals. It is generally not recommended during pregnancy unless a healthcare provider determines the potential benefits outweigh the possible risks. Always consult with a doctor before taking this medication if you are pregnant or planning to become pregnant.

Breastfeeding: It is not known whether Hemostop passes into human breast milk. Due to the lack of safety data, caution is advised. A healthcare professional will need to assess the benefit of the treatment to the mother versus the potential risk to the breastfed infant.

How should Hemostop be stored and disposed of?

Official Storage and Disposal Guidelines

Regulatory agencies mandate specific conditions to maintain the stability and quality of this medication. Storage requirements focus on temperature control and protection from environmental factors, while disposal instructions ensure safety and environmental responsibility.

️ Storage Requirements

Condition Requirement
Temperature Store below 30 C (Do not store above 30 C). Do not freeze or refrigerate.
Protection Keep the container tightly closed and store in the original outer carton to protect from moisture and light.
Safety Store out of sight and out of reach of children to prevent accidental ingestion.
Handling Maintain product integrity until the expiration date.

️ Disposal Instructions

To dispose of unused or expired Hemostop, official regulatory guidance states that the medicine should be returned to a community pharmacy or a designated local drug take-back program. Disposal must be in accordance with local requirements to prevent environmental contamination and ensure controlled-waste management.

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

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