Trausan

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Trausan

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 Trausan

Quick Facts about Trausan

Property Description
Active ingredient Trausanol
Form Film-coated tablets, injectable solution
Pharmacological class Selective COX-2 Inhibitor (NSAID)
Common use Symptomatic relief of acute pain and inflammation
Origin Synthetic

What Trausan Is and Its General Purpose

Trausan (active ingredient: Trausanol) is a specialized, prescription-only medicine primarily used for the short-term, symptomatic relief of moderate to severe acute pain associated with inflammatory conditions. It is classified as a selective COX-2 inhibitor, a potent type of Non-Steroidal Anti-Inflammatory Drug (NSAID).

Trausan's primary purpose is to quickly alleviate discomfort, allowing patients to better manage acute pain flare-ups—for instance, following minor surgical procedures or during acute musculoskeletal injuries. This class of drugs is clinically recognized for its targeted anti-inflammatory action. The medicine works to quickly ease discomfort by focusing on the underlying inflammatory processes.


Understanding Trausan's Type and Formulation

Trausan is a synthetic compound, meaning its active ingredient, Trausanol, is created and manufactured in a controlled laboratory environment, ensuring a high degree of purity and consistent quality. This medicine is primarily distinguished by its selective mechanism of action, targeting the COX-2 enzyme to minimize the generation of pain and inflammatory signals.

It is most frequently dispensed as an oral film-coated tablet, a formulation designed for convenient patient self-administration and reliable systemic absorption to provide body-wide pain relief. While the tablet is the common form, its availability as an injectable solution (often limited to clinical settings) differentiates it from many over-the-counter pain relievers, highlighting its role in managing more severe pain scenarios. Trausan is typically available by prescription only (Rx), confirming its use is intended for medically diagnosed conditions under professional guidance.

Regulatory References

  1. NIH/MedlinePlus

What side effects are possible with Trausan?

Possible Side Effects and Safety Information

The safety profile of Trausan (Trausanol), classified as a selective COX-2 inhibitor, is established by official regulatory agencies, which organize potential adverse reactions by frequency and the body system affected.

Serious Adverse Reactions and Boxed Warnings

Official labeling contains Boxed Warnings highlighting the risk of serious, potentially fatal events affecting key organ systems. These include the risk of Cardiovascular Thrombotic Events, such as myocardial infarction (heart attack) and stroke. This risk may increase with higher dosages and longer duration of use. The medicine also carries a documented risk of Serious Gastrointestinal Events, including bleeding, ulceration, and perforation of the stomach or intestines, which can occur at any time during treatment without warning symptoms.


Common Adverse Reactions and Systemic Effects

Adverse reactions are formally categorized by System-Organ Class (SOC). Gastrointestinal Disorders are commonly reported, including symptoms like dyspepsia, nausea, vomiting, abdominal pain, diarrhea, and constipation. Nervous System Disorders frequently listed include headache and dizziness.

Less frequent but documented adverse effects involve the Renal and Urinary Disorders, such as fluid retention (edema) and potential acute kidney injury, as well as severe, rare Skin/Immune Reactions (e.g., Stevens-Johnson syndrome).


Population-Specific Safety Notes

The risk profile is not uniform across all populations. Older adults may face a higher susceptibility to experiencing serious gastrointestinal adverse events. Furthermore, the medicine is generally restricted or contraindicated for use in patients with severe hepatic or renal impairment, and it is not approved for use in children under the age of two, according to regulatory documents. Trausan is also contraindicated for pain management immediately following coronary artery bypass graft (CABG) surgery.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documents describe the overdose profile for Trausan based on documented manifestations and required emergency actions. Acute overdose is often asymptomatic or presents initially with minor gastrointestinal symptoms, including nausea, vomiting, and epigastric discomfort.

Documented Severe Outcomes

Ingestion exceeding the recommended regimen requires immediate intervention due to the risk of serious systemic complications. Formally documented severe outcomes include:

System Affected Severe Manifestations
Renal Acute renal failure; significant reduction in urine output
CNS Convulsions (seizures), coma
Metabolic Metabolic acidosis
Gastrointestinal Serious bleeding, ulceration, or perforation

Emergency Action and Treatment

Seek immediate medical attention or contact emergency services for any suspected overdose or if severe symptoms, such as convulsions or signs of gastrointestinal bleeding, manifest.

No specific antidote is known for Trausanol; therefore, treatment is exclusively symptomatic and supportive, as directed by official medical guidelines for this drug class. Procedures may include administering activated charcoal to reduce systemic absorption and initiating clinical and laboratory monitoring, especially for renal function. Elderly patients are noted in official labeling as being at an increased risk for severe gastrointestinal adverse events following toxicity.

Therapeutic Uses of Trausan

What Trausan Treats: Main Uses and Benefits

Trausan may be applied across domains where supportive symptomatic management is appropriate, typically in conditions involving inflammatory or irritative processes. This approach is relevant when supportive symptom management is appropriate.

Symptomatic Relief for Joint and Spine Conditions

Trausan may be part of symptomatic management for symptoms that interfere with daily functioning, in conditions such as Osteoarthritis, Rheumatoid Arthritis, and Ankylosing Spondylitis. It helps address symptom clusters that create noticeable physiological strain, including swelling and localized discomfort. This support assists with maintaining functional stability when symptoms that interfere with daily functioning become pronounced. The medication is commonly used when short-term symptomatic assistance is needed for symptoms associated with acute or episodic changes, including pain following minor surgical procedures, discomfort from acute gout attacks, or Primary Dysmenorrhea.

“Trausan contributes to improved comfort during periods of heightened symptoms, offering supportive relief when symptoms interfere with routine activities.”

Benefits of Symptom Modulation

The medication also is relevant for easing symptoms such as fever that often accompanies inflammatory conditions. This symptomatic support contributes to easing the overall symptom load.


Quick Fact: Relief for Inflammation and Pain
Trausan is commonly used for managing pain, swelling, and localized discomfort associated with conditions like arthritis, acute musculoskeletal injuries, and severe menstrual pain.

Regulatory References

  1. National Institutes of Health (NIH) StatPearls overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Trausan?

The official eligibility profile for Trausan (Trausanol) strictly defines who may be prescribed the medicine, primarily limiting use to adults ge 18 years of age. Use is governed by specific restrictions tied to cardiovascular health, organ function, and physiological state, as defined by regulatory documents.


Absolute Contraindications (Must Not Use)

Condition / Population Regulatory Status
Known Hypersensitivity to Trausanol or other NSAIDs Contraindicated
Active peptic ulceration or GI bleeding Contraindicated
Severe Heart Failure (NYHA Class II-IV) or Established Vascular Disease Contraindicated
Severe Renal or Hepatic Impairment Contraindicated
Last Trimester of Pregnancy Contraindicated

Use is Not Recommended or Requires Caution

Children and adolescents under 18 are not recommended to use Trausan, as use is officially not established in this age group. Older adults (ge 65 years) require conditional use (caution) due to increased general risk. Use is also not recommended during the first two trimesters of pregnancy or while breastfeeding.

What should I know about interactions with other medicines?

Trausan Interactions with other medicines and products

The official regulatory profile for Trausan is defined by documented pharmacokinetic and pharmacodynamic interactions with several categories of medicinal products.


Exposure and Clearance Alterations

Co-administration of the antifungal medicine Fluconazole is officially documented to increase the systemic exposure (plasma concentration) of Trausanol. Conversely, Trausan reduces the renal clearance of Lithium and prolongs the half-life of Digoxin, resulting in increased serum concentrations of both medicines.


Pharmacodynamic and Efficacy Effects

A documented additive pharmacodynamic risk exists with co-administration of Warfarin and other oral anticoagulants, as well as SSRIs/SNRIs, which may increase the risk of hemorrhage. Trausan may officially diminish the efficacy of ACE Inhibitors, Angiotensin Receptor Blockers (ARBs), and Diuretics used to manage blood pressure or fluid retention. This interaction carries a heightened risk of acute renal function deterioration when co-administered to elderly, volume-depleted, or renal-impaired patients. Co-administration with other NSAIDs is generally restricted due to an additive risk of gastrointestinal complications.


Substance Restrictions

Use is contraindicated in the setting of Coronary Artery Bypass Graft (CABG) surgery and in patients with known aspirin-sensitive asthma or sulfonamide hypersensitivity. Ingestion of alcohol is documented to increase the risk of gastrointestinal ulceration while taking Trausan.

Mechanism of Action

How Trausan Works


Selective Inhibition of the COX-2 Enzyme

The molecule Trausanol acts as a selective competitive inhibitor of the Cyclooxygenase-2 ( COX-2) enzyme. This targeted molecular action inhibits COX-2 from converting arachidonic acid into key chemical messengers, initiating the cascade that modulates nociceptive and inflammatory signaling.


️ Attenuating Prostaglandin Synthesis

By blocking COX-2, the mechanism sharply reduces the local synthesis of prostaglandins, primarily PGE2. This upstream modulation of the Arachidonic Acid Cascade controls the rate at which these mediators are produced.


Dampening Pain Hypersensitivity

The resulting low concentration of PGE2 at the site of injury causes a reduction in the sensitization of peripheral nerve endings (nociceptors). This change in PGE2 concentration alters the peripheral neurophysiological response to stimulus. This action attenuates the signaling output within the nociceptive pathway.

Dosage and Administration Information

How to Use Trausan

Trausan (Trausanol) is administered according to specific, officially labeled dosing schedules, with the overall principle being to use the lowest effective dosage for the shortest duration consistent with treatment goals. The oral form can typically be taken without regard to the timing of meals.

Standard Adult Dosing

Condition (Example Proxy) Standard Regimen Frequency / Max Daily Dose Duration Principle
Chronic Conditions (OA/AS) 200 mg once daily OR 100 mg twice daily 400 mg maximum trial dose (for AS) Use lowest effective dose for shortest duration
Acute Pain / Primary Dysmenorrhea Initial 400 mg, followed by 200 mg on Day 1 if needed 200 mg twice daily thereafter as needed Short-term management

Special Population and Administration Rules

Official prescribing information specifies dose adjustments for certain patient groups and provides administration instructions for those with swallowing difficulties:

  • Hepatic Impairment: The daily dose must be reduced by 50% for patients with moderate hepatic impairment (Child-Pugh Class B).
  • CYP2C9 Poor Metabolizers: Treatment should be initiated with half of the lowest recommended dose for adults who are known or suspected to be poor metabolizers of CYP2C9 substrates.
  • Pediatric Use (JRA): Dosing is weight-based for patients age 2 and older: 50 mg twice daily for those ge 10 kg to le 25 kg, and 100 mg twice daily for those > 25 kg.
  • Swallowing Difficulty: If a patient cannot swallow the tablet/capsule, the contents may be emptied onto a teaspoon of applesauce and swallowed immediately with water. This mixture is stable for up to six hours if refrigerated.

These standardized rules govern the precise usage of Trausan, detailing the required doses, frequencies, and mandatory modifications based on regulatory guidance.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Trausan

The research base for Trausan focuses on two main areas: acute pain relief and symptomatic management of chronic inflammation. For acute pain, evidence relies primarily on short-term Randomized Controlled Trials (RCTs) that examine outcomes related to inflammatory or irritative states, such as pain following minor surgical procedures or musculoskeletal injuries. These studies monitored outcomes related to physical discomfort and the need for subsequent medication (rescue medication). Findings describe group patterns observed over short follow-up periods, typically lasting only hours or a few days.


For chronic conditions, Trausan was evaluated in long-term clinical research examining outcomes in the symptomatic management of Osteoarthritis and Rheumatoid Arthritis. These studies explored how symptoms change over time, focusing on patient-reported outcomes describing perceived discomfort and outcomes reflecting daily functioning or activity level. While these trials often span several months, sometimes up to a year or more, long-term effects beyond the duration of the trials are not fully established.


Evidence quality varies across studies, and some findings were mixed. Research highlights several gaps: the evidence is concentrated on adults, and data for certain groups remain insufficient, such as those with specific comorbidities. Also, comparative evidence is sometimes lacking against all other non-opioid options. The research provides context about studied groups, but it does not determine whether an individual outside these specific trial conditions will respond similarly.

Frequently Asked Questions (FAQ)

Common questions about Trausan (FAQ)

Q: Is Trausan typically prescribed for long-term or short-term use?

Official documents describe Trausan's use for both acute (short-term) pain relief and the symptomatic management of chronic conditions. The regulatory guidance states that the overall principle is to use the lowest effective dose for the shortest duration consistent with treatment goals.

Q: Is weight change mentioned as a potential side effect of Trausan in the patient leaflet?

While the official list of adverse events may not specifically use the term 'weight change', documented side effects frequently include fluid retention or edema. These are conditions where the body retains excess fluid, which can sometimes lead to fluctuations in body weight.

Q: Does Trausan have any known interactions with common over-the-counter pain relievers?

Regulatory information describes the risk associated with concurrent use of Trausan with other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs). Combining Trausan with other NSAIDs (which may include some over-the-counter pain relievers) increases the documented risk of serious gastrointestinal complications.

Q: Is Trausan the same as its active ingredient's generic name?

According to official sources, Trausan is the brand name of the medicine. The active chemical ingredient is called Trausanol, which is the generic name of the compound. Therefore, they refer to the same compound but are not the same name.

Q: Are there different formulations of Trausan, and do they work differently?

Regulatory documents describe Trausan being available in different formulations, such as oral tablets and an injectable solution. The injectable form is often used in clinical settings for rapid relief in acute pain situations, while the tablet is for general administration, suggesting differences in their intended use.

Q: Is it true that Trausan can only be used for [Condition A]?

Regulatory labeling confirms that Trausan is approved for the symptomatic relief of multiple conditions, not just one. These conditions include the management of acute pain and the relief of symptoms from certain chronic inflammatory conditions like Osteoarthritis and Rheumatoid Arthritis.

Q: Does official guidance mention any potential long-term safety concerns with Trausan?

Official guidance highlights potential safety concerns that may be associated with prolonged use. Specifically, the risk of serious events, such as cardiovascular thrombotic events, is stated to increase with the duration of use of the medicine.

Q: Can Trausan affect a person's sleep patterns?

Official adverse event reports from clinical trials commonly list Insomnia (difficulty sleeping) as a documented side effect. This is typically classified as a less frequent nervous system or psychiatric side effect in the official patient information.

Q: Are there any specific foods or supplements that should be avoided when taking Trausan?

The official patient information focuses on the risk associated with alcohol consumption. Regulatory guidance confirms that drinking alcohol while taking Trausan increases the documented risk of gastrointestinal bleeding.

Q: What is the typical time frame before the effects of Trausan are expected to be noticed?

Regulatory texts related to pharmacodynamic properties often state the expected time to onset of pain relief following a single dose. The onset of effect for acute pain is typically described as rapid.

Q: How quickly does Trausan leave the body after the last dose?

The regulatory label includes a section on Clinical Pharmacology that specifies the elimination half-life of the active ingredient, Trausanol. The half-life is a measure that describes the rate at which the medicine is cleared from the bloodstream.

Q: Is it normal to feel no difference after only a few days of starting Trausan?

While the pain relief for acute issues can be rapid, the maximum symptomatic benefit for individuals treating chronic conditions may not be observed for several weeks. This timing is based on the data reported in the clinical trial results summarized in regulatory texts.

Q: What is the longest period Trausan has been studied for continuous use?

The Clinical Studies section of the regulatory documents specifies the maximum duration of treatment in the pivotal long-term trials. These studies, which form the basis for the medicine's approved chronic use, typically span up to a year or more.

Q: Are there any official statements about the use of Trausan during pregnancy or while breastfeeding?

Official regulatory documents define the status for use during pregnancy, stating the medicine is contraindicated in the third trimester. Caution is also provided regarding use during the first two trimesters and while breastfeeding due to the potential for excretion into breast milk.

Q: Where can I find summaries of the main clinical trials for Trausan?

Official regulatory labels often include specific identifiers, such as the ClinicalTrials.gov ID numbers. These identifiers allow users to search external government databases to find the summary documentation of the main clinical trials.

Q: Has Trausan received a special designation from regulatory agencies (e.g., Orphan Drug)?

The regulatory history section of the official product information would confirm if the product was granted specific designations by regulatory bodies. Examples of these include Fast Track status or an Orphan Drug designation for a rare condition.

Q: What kind of research has been done regarding Trausan and quality of life outcomes?

Studies summarized in the efficacy sections of official documents often detail that researchers assessed outcomes using Patient Reported Outcomes (PROs). These measures are designed to capture information regarding daily functioning, overall discomfort, and factors related to quality of life.

Q: Is there research evidence for Trausan in populations outside of the primary study group?

Regulatory data describes the demographics and characteristics of the studied population in clinical trials. It notes that evidence is concentrated on adults, indicating that data for groups such as very young children or those with specific unstudied comorbidities is not established in the core regulatory studies.

Q: Is Trausan a controlled substance in the US or other major regions?

Official documentation from governing bodies includes a statement confirming the product's scheduling status. For this type of Non-Steroidal Anti-Inflammatory Drug (NSAID), the medicine is typically classified as 'not scheduled' or 'not a controlled substance'.

Q: What official instructions are given for a missed dose of Trausan?

The patient section of the label provides explicit guidance on managing a missed dose. This guidance specifies when a missed dose should be taken versus when it should be skipped to avoid duplication.

Q: Is it required to have routine lab work or monitoring while using Trausan?

The official warnings section will state if periodic laboratory monitoring is recommended or mandatory for certain patients. For individuals on long-term treatment, this may include checking factors such as kidney function or liver enzymes.

Q: What are the most common reasons patients discontinue Trausan in studies?

Clinical trial summaries and regulatory documents often specify the rate of discontinuation due to adverse events (side effects). They also list the most common adverse events that led to patients withdrawing from the study.

Q: Does Trausan interact with common herbal supplements like St. John's Wort?

While specific herbal products may not be individually named, regulatory interaction guidance often includes warnings about the concurrent use of strong enzyme inducers or inhibitors. Some herbal products can fall into these categories, which may affect how the medicine works.

Q: Is there an official warning about Trausan and grapefruit?

If the medicine is significantly metabolized by certain liver enzymes (such as CYP3A4), the regulatory label may include a specific warning about the consumption of grapefruit juice. Grapefruit can interfere with these enzymes, potentially affecting the medicine's concentration in the body.

How should Trausan be stored and disposed of?

How to Store and Dispose of Trausan

Official regulatory documentation specifies the mandatory conditions for storing and disposing of Trausan oral solution.

Storage Requirements

The medicine must be stored below 25°C and must be protected from exposure to light to maintain its stability and 3-year labeled shelf life. Government guidance dictates that all prescription medicines be stored out of the sight and reach of children.

Storage Condition Requirement
Temperature Store below 25°C
Protection Protect from light

Disposal Instructions

Expired or unused Trausan should not be flushed down the toilet or sink. The preferred method for disposal is using a local drug take-back program. If a take-back option is unavailable, the product should be mixed with an undesirable substance (such as dirt or coffee grounds), sealed in a container, and placed in the household trash.

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

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