Транексам

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Medically reviewed

Laura Arias

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 Транексам

What is Транексам? (Tranexamic Acid)

Property Description
Active ingredient Tranexamic Acid
Form Oral tablet, Solution for injection
Pharmacological class Antifibrinolytic Agent
General purpose To control and reduce excessive bleeding
Origin Synthetic amino acid derivative

What Type of Medicine is Транексам? (Definition and Classification)

Транексам (Tranexam) is a prescription-only synthetic medication whose active component is Tranexamic Acid. It is classified as an antifibrinolytic agent and is primarily considered a hemostatic, meaning it is fundamentally used to prevent or control excessive blood loss. Tranexamic Acid is specifically included in the list of essential medicines as a compound necessary for a basic health system, a recognition supported by widespread clinical acceptance.

This classification establishes the medicine’s unique role in managing hemorrhage that stems from the body’s overactive clot-dissolving process, known as fibrinolysis. Unlike agents that work to stimulate the initial formation of a clot, Транексам is designed to preserve the integrity of a clot that has already formed, ensuring it remains stable at the site of injury.


Composition and Origin: Is Tranexamic Acid Natural or Synthetic? (Composition and Origin)

The therapeutic effect of Транексам relies on the single active ingredient, Tranexamic Acid, which is a synthetic amino acid derivative of lysine. The fact that it is a synthetic derivative means its composition is precisely controlled in a laboratory setting, ensuring consistent pharmacological delivery.

The medication is supplied in two primary preparations: an oral tablet for ingestion and a sterile solution for injection suitable for intravenous (IV) administration. This dual availability—the tablet form, often used in less acute settings, and the solution for injection, often used in emergency or surgical settings—is a distinguishing feature that offers critical versatility in managing blood loss across various patient groups.


What is the General Purpose of Транексам? (High-Level Mechanism and Benefit)

The general purpose of Транексам is to manage and reduce excessive bleeding by stabilizing existing blood clots within the body. It achieves this by functioning as an inhibitor to the enzyme system that breaks down the clot's protein mesh (fibrin).

By competitively inhibiting the activation of the clot-dissolving enzyme plasmin, Tranexamic Acid prevents the premature dissolution of the natural clot. This anti-fibrinolytic action promotes effective hemostasis, ensuring the natural healing structure remains intact, which is key for stopping extended or heavy blood flow in scenarios like trauma or post-operative care.

Regulatory References

  1. WHO Model List of Essential Medicines
  2. MedlinePlus

What side effects are possible with Транексам?

Possible Side Effects and Safety Information

Official regulatory documents classify the safety profile of Tranexamic Acid (Транексам) based on the frequency and the physiological system affected. The most frequently observed reactions are generally gastrointestinal in nature, while the most serious concerns relate to the drug's core action as an antifibrinolytic agent.


Adverse Reactions by Frequency and System-Organ Class

The following are examples of adverse reactions as documented in regulatory sources:

Classification System-Organ Class Examples of Reactions
Common Gastrointestinal disorders Nausea, Vomiting, Diarrhea
Uncommon Skin disorders Allergic dermatitis
Rare Eye disorders Visual disturbances, Impaired colour vision
Rare/Not Known Vascular disorders Thromboembolic events (clots)
Not Known Nervous system disorders Convulsions, Dizziness

Serious Safety Considerations

The most significant concern detailed in official labeling is the potential for Thromboembolic Events (blood clots), including Deep Vein Thrombosis (DVT), Pulmonary Embolism, and Retinal Artery/Vein Occlusion. Convulsions and severe Hypersensitivity Reactions (e.g., anaphylaxis) are also listed as serious adverse reactions, especially with high-dose intravenous administration.

Safety Restrictions and Special Populations

Tranexamic Acid is contraindicated in individuals with active or a history of thromboembolic disease, severe renal impairment, or subarachnoid hemorrhage. Use requires caution and often a dosage adjustment in patients with renal impairment due to the risk of accumulation. The injectable solution is strictly for intravenous use only and is contraindicated for spinal or epidural administration, a restriction highlighted in official warnings.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory descriptions of Tranexamic Acid (Транексам) overdose detail specific clinical manifestations and required emergency actions. Overexposure has been documented to affect several physiological systems.

Documented Manifestations and Severe Outcomes

An overdose may present with common gastrointestinal symptoms such as nausea, vomiting, and diarrhea. Central nervous system effects include headache, confusion, and dizziness, along with cardiovascular signs like hypotension and orthostatic symptoms. Specific ocular effects, including visual impairment and changes in color vision (cromatopsia), are also officially documented.

Severe or life-threatening outcomes include:

  • Seizures (convulsions), particularly following high or rapid doses.
  • Thromboembolic events, such as venous or arterial thrombosis.
  • Severe hypersensitivity reactions (anaphylaxis).

Mandated Emergency Action

Immediate medical attention must be sought in the event of a suspected overdose or the onset of severe symptoms. Regulatory information mandates that if seizures or visual changes occur, the use of Tranexamic Acid must be discontinued. There is no specific antidote known for Tranexamic Acid overdose. Management is symptomatic and supportive and may include procedures such as gastric lavage and charcoal therapy. Patients with severe renal impairment are noted to be at an increased risk of drug accumulation and toxicity.

Therapeutic Uses of Транексам

What Транексам Treats: Main Uses and Benefits

Tranexamic acid (Tranexam) is commonly used to support the management of and provide symptomatic relief from excessive bleeding. Its core therapeutic benefit is aiding in the control of blood loss across a range of medical situations. This medication is indicated for specific conditions associated with high blood loss, such as heavy menstrual bleeding (menorrhagia), controlling bleeding after tooth extractions in patients with certain bleeding disorders, and managing hemorrhage in various post-surgical settings. The goal of this treatment approach is to reduce the volume of blood loss, which can help support clinical management and address complications related to chronic or acute blood loss.

“Tranexamic acid is a standard therapeutic approach that helps to support the body's natural clot-forming process.”


Quick Fact: Relief for Excessive Blood Loss


Eligibility and Restrictions for Use

Who Can and Cannot Use Tranexam?

Tranexam (tranexamic acid) is generally intended for adults and post-menarchal adolescents to manage or prevent excessive bleeding in specific medical scenarios, such as heavy menstrual bleeding or certain procedures in patients with hemophilia.


Contraindications

Tranexamic acid is contraindicated (should not be used) in people with a personal or family history of or active thromboembolic disease (e.g., deep vein thrombosis, pulmonary embolism, cerebral thrombosis, or retinal artery/vein occlusion) due to the risk of promoting clotting.

It is also not recommended for those with:

  • A known allergy or hypersensitivity to tranexamic acid.
  • Active intravascular clotting (Disseminated Intravascular Coagulation or DIC).
  • A history of subarachnoid hemorrhage (bleeding in the brain).
  • Acquired disturbances of color vision.

Special Considerations

Use requires special caution and dosage adjustment in patients with renal impairment (kidney disease), as the drug is primarily eliminated by the kidneys.

Pregnancy and Breastfeeding: Use during pregnancy is generally not recommended unless clearly necessary and prescribed by a physician, as human data are limited. It is excreted in low amounts in breast milk, and its use is typically considered compatible with breastfeeding under medical guidance, with no adverse long-term outcomes reported in most studies of exposed infants.

Children and the Elderly: Tranexamic acid is prescribed to children, particularly post-menarchal girls for heavy bleeding, and to treat hemophilia-related bleeding. Elderly patients may require dose adjustments due to a higher likelihood of age-related kidney function decline.

What should I know about interactions with other medicines?

The interaction profile for Tranexamic Acid (Транексам) is structured primarily by its antifibrinolytic action and its dependence on renal clearance.

Documented Drug-Drug Interactions

The most critical documented interaction is the prohibition against co-administration with combined hormonal contraceptives (such as oral birth control pills, patch, or ring). This combination is officially classified as contraindicated due to a documented increase in the risk of thromboembolic events, or blood clots. This pharmacodynamic risk extends to other prothrombotic medical products, including Factor IX complex concentrates and Anti-Inhibitor Coagulant Concentrates, which are classified as not recommended for concomitant use due to the potential for an additive effect on blood clotting. Co-administration with Oral Tretinoin (All-Trans Retinoic Acid) is also restricted due to the potential to exacerbate procoagulant effects.

Conversely, the official label notes that concurrent use with certain anticoagulants (e.g., Warfarin, Heparin) requires strict medical supervision but generally does not interfere with their intended action. Additionally, co-therapy with Tissue Plasminogen Activators may decrease the efficacy of both medicines.

Pharmacokinetic and Procedural Constraints

Транексам is substantially eliminated by the kidneys. Consequently, co-administration with agents that impair renal function may reduce clearance, leading to accumulation. For the solution for injection, a procedural restriction mandates that it must not be mixed with blood or any solutions containing penicillin due to stability and incompatibility concerns. There are no officially documented clinically significant interactions with food, alcohol, or CYP-mediated metabolic inhibitors/inducers.

Mechanism of Action

Mechanism: Inhibition of the Fibrinolytic System

This drug operates by primarily engaging the fibrinolytic system, which is the body's natural pathway for dissolving blood clots. It functions as a competitive inhibitor that targets key components, such as plasminogen, to prevent the body's natural process of clot breakdown. This targeted pathway adjustment results in the modulation of the fibrinolytic system where clot degradation may be accelerated.


Action: Molecular Stabilization of Blood Clots

The drug's mechanism involves molecular mimicry, where it binds to lysine-binding sites on the plasminogen molecule, thus blocking its activation into the enzyme plasmin. This highly specific interference modifies early molecular steps, which leads to the subsequent preservation of the fibrin structure of existing blood clots. The resulting physiological effect is an increased stabilization of the clot's integrity, influencing regulatory feedback within hemostasis pathways.

Dosage and Administration Information

How to Use Транексам: Official Administration Guidelines

Tranexamic Acid (Транексам) is administered through either the oral (tablet) route or the intravenous (IV) (injection solution) route, with the specific method chosen based on the clinical setting and the condition being addressed. The official use of the medicine is strictly defined by regulatory documents, which establish precise dosing, frequency, and duration limits for each approved use.


Administration Scope

Category Official Instruction (Based on Regulatory Documents)
Route of administration Oral and Intravenous (IV). The IV route must be administered slowly.
Standard Adult Dosing Oral (HMB): 1300 mg (two 650 mg tablets) three times daily (TID). IV (General): 0.5 g to 1 g by slow IV injection two to three times daily.
Timing in relation to meals May be administered with or without food.
Preparation requirements Oral: Tablets must be swallowed whole. IV: Must be administered very slowly at a rate no faster than 1 mL/minute and should not be mixed with solutions containing blood or penicillin.
Population-Specific Rules Renal Impairment: Mandatory dose reduction or frequency adjustment is required. Pediatric: Dosing is typically based on body weight for approved uses.
Course Duration / Cycles Oral (HMB): For a maximum of 5 days during each menstrual period. Post-Extraction: Short-term use, generally 2 to 8 days.

Procedural Structure

The protocol mandates that the oral administration for heavy menstrual bleeding (HMB) must begin after menstrual bleeding has started and must cease after the prescribed 5-day limit. When using the IV route, administration must be strictly slow to comply with procedural constraints, and the medicine is exclusively for the intravenous route, meaning it is not to be administered intrathecally or epidurally. The instructions define that if a dose is missed, the patient should simply take the next dose at the regularly scheduled time without doubling the dose. These official procedures establish the precise way the medicine must be prepared, timed, and delivered to align with regulatory approval.

Recent Clinical Evidence

The body of research for Транексам (Tranexamic Acid) focuses on its use in medical conditions associated with acute or disruptive episodes of hemorrhage. The evidence base relies on studies that monitored how the medicine affects physiological outcomes under specific clinical conditions. Research provides context but not individual predictions, and study results reflect the specific conditions under which they were conducted.


Evidence from Trials in Acute Life-Threatening Bleeding

Large-scale Randomized Controlled Trials (RCTs) explored the medicine in severe Postpartum Hemorrhage (PPH) and Traumatic Hemorrhage. Studies monitored measured survival outcomes, and data show patterns related to early administration within a limited time interval following the bleeding event. Research indicates this observed pattern was restricted to patients who received treatment soon after the event.


Evidence from Trials in Heavy Menstrual Bleeding

Транексам was evaluated in women with heavy menstrual bleeding (menorrhagia) using short-term RCTs and systematic reviews. Research highlights changes measured during the study period in the volume of menstrual blood loss (MBL) and patient-reported discomfort. Findings were primarily reported for women with idiopathic menorrhagia.


Evidence from Studies in Surgical Settings

Numerous RCTs and systematic reviews have studied the medicine in patients undergoing major elective surgeries, such as orthopedic procedures. Studies monitored measured blood loss and the frequency of requiring blood transfusions. However, evidence quality varies across studies due to significant differences in research protocols and dosing.


Research on Traumatic Brain Injury (TBI) and Minor Bleeding

The largest TBI research examined functional status at 90 days and mortality outcomes. While studies report patterns related to a difference in head injury-related death in the RCTs, the evidence for the long-term functional status outcome remains limited. Minor bleeding, such as after dental extractions, was studied for short-term complication rates in patients with congenital bleeding disorders, though sample sizes were modest.


Summary of Research Gaps

The majority of pivotal studies concentrate on short-term outcomes. Long-term effects are not fully established, and there is limited information concerning the durability of observed effects. Furthermore, the reliance on specific time intervals for administration in acute settings means that for patients who receive treatment outside of that window, the research provides limited insight. Comparative evidence is lacking for many alternative treatments.

Key Studies & References

  1. Tranexamic Acid Injection (Intravenous Route) - Drug Information (MedlinePlus)
  2. The Efficacy and Safety of Tranexamic Acid in Orthopedic Surgery: A Meta-analysis of Randomized Controlled Trials

Frequently Asked Questions (FAQ)

Common questions about Транексам (FAQ)

Q: How quickly does Транексам start working after I take it?

Studies on the medicine's behavior in the body indicate that the antifibrinolytic effect, which helps stabilize blood clots, is noted to remain in different tissues for a relatively extended period, up to about 17 hours. Following administration, the plasma concentration typically begins to decay, with a half-life of about two hours. The antifibrinolytic concentration is noted to be available in the body shortly after administration.

Q: Is it normal to feel a mild stomach upset when starting Транексам?

Gastrointestinal reactions are described in regulatory documents as common adverse reactions associated with the use of this medicine. These effects may include feeling nauseous, vomiting, or experiencing diarrhea. Consulting a healthcare professional is recommended if these or any other reactions cause concern.

Q: What happens if I take too much Транексам?

Taking more than the recommended amount may result in increased side effects such as feeling sick, diarrhea, or dizziness. Serious risks mentioned in official warnings, like issues with vision or potential signs of blood clots, should prompt urgent medical review.

Q: How long after stopping Транексам does it leave the body?

The medicine is eliminated primarily by the kidneys through urinary excretion. Official data indicates that most of the medicine, approximately 90% or more, is typically excreted within 24 hours of administration.

Q: Do you feel dizzy right after taking Транексам?

Dizziness is listed in regulatory documents as a nervous system adverse reaction, though its frequency is classified as 'not known' in some official sources. If visual disturbances or dizziness are experienced, caution is warranted regarding activities that require attention.

Q: Can men take Транексам for bleeding issues?

Yes, the medicine is approved for use in both men and women for various indications. For example, official indications include short-term use in patients with hemophilia to prevent or reduce bleeding following tooth extractions, a condition that affects men.

Q: How long does the effect of a single dose of Транексам last in the body?

An antifibrinolytic concentration of the medicine is described in official sources as lasting for approximately 17 hours in various tissues. Its presence in the bloodstream is noted to last up to seven to eight hours after a single dose.

Q: Do I need to take Транексам with food or on an empty stomach?

Official administration guidelines state that the medicine may be administered with or without food. There is no official requirement for it to be taken on an empty stomach.

Q: Is it okay to drive or operate machinery after taking this medicine?

Visual disturbances and dizziness are potential side effects listed in official documents. Official guidance recommends caution regarding driving or operating machinery if visual disturbances or dizziness, which are potential side effects, are experienced.

Q: What is the purpose of the laboratory tests sometimes required when taking Транексам?

Tests are primarily used to assess renal function, as the medicine is mostly eliminated by the kidneys and requires mandatory dose adjustments if kidney impairment is present. Baseline coagulation studies may also be performed, especially in surgical settings, to assess a patient's overall bleeding status.

Q: Can Транексам be crushed or chewed if someone has trouble swallowing pills?

No. The official preparation instructions for the tablets state that they are required to be swallowed whole. The medicine should not be crushed or chewed.

Q: Is it true that Транексам is sometimes used in dental procedures?

Yes, one of the official, approved uses for the medicine is for short-term management to prevent or reduce bleeding following tooth extractions. This indication is specific to patients with hemophilia.

Q: Can I use Транексам if I am planning to become pregnant soon?

The medicine is understood to pass through the placenta, and human data on its use during conception or early pregnancy is limited. Official regulatory text recommends that women of childbearing potential use an effective nonhormonal contraceptive method during treatment.

Q: Does Транексам affect blood pressure?

Rapid intravenous (IV) administration of the injection solution is advised against in regulatory documents due to the risk of low blood pressure (hypotension). The injection solution is therefore mandated to be administered very slowly to minimize this potential effect.

Q: Can Транексам be used by teenagers?

Official information states that the medicine is generally intended for adults and post-menarchal adolescents (teenagers who have started their menstrual periods) for approved indications. When used in this group, dosing is typically determined based on body weight.

Q: How does Транексам affect the liver or kidneys?

The medicine is substantially eliminated by the kidneys. Mandatory dose reduction or frequency adjustment is required for individuals with kidney impairment due to the risk of drug accumulation. No specific liver-related adverse events are frequently observed or noted as serious concerns in official documents; the primary focus for special consideration is the kidneys.

Q: Is Транексам commonly prescribed for nosebleeds?

While this is not listed as a primary approved indication in official documents from major regulatory bodies, research suggests it may be used to manage nosebleeds (epistaxis) as an adjunct to standard treatments due to its antifibrinolytic properties.

Q: Does Транексам interact with herbal supplements?

Official documents note that there is insufficient data to determine interactions with complementary medicines, herbal remedies, and supplements, as they are not typically assessed like prescription medicines for drug interactions.

Q: Can people with epilepsy use Транексам?

Convulsions (seizures) are listed as a serious adverse reaction, especially when high doses are given intravenously. Due to the potential risk of convulsions, an individual medical review is necessary to determine the appropriateness of use in patients with a history of seizures.

Q: Is Транексам used to treat dark spots on the skin (melasma)?

The treatment of dark spots on the skin (melasma) is not listed as a primary approved indication in official FDA or EMA documents. Studies have been conducted in this area, and its use for melasma is considered an unapproved (off-label) dermatological use.

Q: What is the role of Транексам in reducing the need for blood transfusions?

The medicine has been studied for its ability to reduce blood loss in scenarios like major elective surgeries and acute trauma. Research monitored the frequency of requiring blood transfusions, supporting its function in stabilizing clots to help reduce the need for these transfusions.

How should Транексам be stored and disposed of?

How to Store and Dispose of Tranexamic Acid

Official regulatory documents define specific conditions to maintain the stability of Tranexamic Acid (Транексам).

Storage Requirements

The medication must be stored at Controlled Room Temperature, generally between 20 C and 25 C (68 F to 77 F), and should not be stored above 30°C. The product must be kept in its original container and protected from light.

For the injection solution, it must not be refrigerated or frozen, and it is intended for single use only. Any solution diluted for infusion has a limited stability period and must be used immediately or discarded after a few hours.

Handling and Disposal

Storage must ensure the product is kept out of the sight and reach of children.

Disposal of any unused or expired Tranexamic Acid must follow local requirements for pharmaceutical waste and must not be thrown away via household trash or wastewater.

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

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