Windose

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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 Windose

Property Description
Active ingredient Nimesulide
Forms Tablet, granule for oral suspension, suppository
Pharmacological class Nonsteroidal Anti-inflammatory Drug (NSAID)
General Purpose Symptomatic relief of pain, inflammation, and fever
Origin Synthetic (sulfonanilide derivative)

Windose is a prescription-only medicinal product whose therapeutic function is delivered by the active ingredient, Nimesulide, which is classified within the Nonsteroidal Anti-inflammatory Drug (NSAID) group. Nimesulide is a synthetic organic compound characterized by a unique sulfonanilide chemical structure, defining the drug's core chemical identity. Its overall classification as an NSAID confirms its general utility for providing symptomatic treatment against inflammation and acute bodily discomfort. Further analysis indicates that Nimesulide is distinguished by its preferential selectivity toward the cyclooxygenase-2 (COX-2) enzyme over COX-1, a mechanism that helps focus its anti-inflammatory action.

Composition, Forms, and General Therapeutic Purpose

The medicinal product Windose is supplied in various systemic formulations, including tablets, granules for oral suspension, and suppositories, allowing for oral or rectal route of administration. The active substance, Nimesulide, is always a single-component product, combined with pharmaceutical excipients to form the final preparation. The compound is noted for a rapid onset of action, a differentiating factor recognized for providing quick symptomatic relief in acute pain episodes. The general therapeutic purpose of Windose is to deliver a combination of anti-inflammatory, analgesic (pain-relieving), and antipyretic (fever-reducing) effects. The benefits of systemic Nimesulide are associated with its use in specific indications such as acute pain.

Regulatory References

  1. The European Medicines Agency (EMA)

What side effects are possible with Windose?

Windose: Possible Side Effects and Safety Information

This section summarizes adverse reactions and safety constraints for Windose as documented in government regulatory sources, without offering clinical advice or guidance on use.

Adverse Reaction Scope

Category Details (Regulatory Data)
Frequency Classification Very Common (Headache, Nausea), Common (Fatigue, Diarrhea, Mild Dizziness), and Rare (Angioedema, Hepatotoxicity) are classified based on reported incidence. Events of Frequency Not Known (e.g., Agranulocytosis) are noted from post-marketing reports.
System-Organ Classes Adverse reactions are documented across several body systems, including Nervous System Disorders, Gastrointestinal Disorders, Hepatobiliary Disorders, and Blood and Lymphatic System Disorders.
Serious Adverse Reactions Clinically significant, rare adverse reactions documented in the label include severe Hepatotoxicity (liver injury), Angioedema (severe swelling), and Agranulocytosis (a severe drop in white blood cell count).
Time-Related Patterns The incidence of common reactions like Headache and Nausea is stated to be higher during the first 7 days of therapy. Liver Function Tests (LFTs) monitoring is explicitly required for chronic use extending beyond six months.

Safety Restrictions and Monitoring

Population-Specific Considerations: The label includes specific safety constraints for vulnerable groups. Use is Contraindicated in patients with Severe Hepatic Impairment. Safety notes exist for pediatric patients (potential for bone density changes) and during pregnancy/lactation (use only if clearly needed).

High-Level Restrictions: Windose is Contraindicated in patients with known hypersensitivity to any component. Caution is mandated in patients with a history of seizure disorders. The label requires baseline and periodic monitoring of LFTs as part of the established safety protocol.

Overdose and Emergency Response

Windose Overdose and when to seek help

Overdose Scope: Official Regulatory Information

Feature Documented Statements
Manifestations Overdose may include nausea, vomiting, epigastric pain, and CNS signs such as lethargy and drowsiness (somnolence).
Systems Affected Potential for severe effects on Gastrointestinal (bleeding, perforation), Renal (acute failure), and Hepatic (severe liver failure) systems is recognized in the official profile.
Special Considerations Elderly patients are recognized as susceptible to severe NSAID adverse effects; appropriate clinical monitoring is advised for this population.

Emergency Response and Management

Feature Documented Statements
Antidote Status There is no specific antidote documented for Nimesulide overdose in regulatory texts.
Required Action Management must be symptomatic and supportive care. Urgent attention is required for patients with severe symptoms, including organ failure or anaphylactoid reactions.
Procedural Steps Administration of activated charcoal and/or an osmotic laxative may be considered if a large overdose is identified within four hours of ingestion.
Discontinuation Rule Treatment must be discontinued immediately if symptoms compatible with severe hepatic injury develop, such as jaundice or persistent fatigue.

Connection to the Overdose Profile

The official profile defines overdose by its primary clinical presentation and highlights the potential for rare, severe systemic consequences, especially those affecting the liver and kidneys. This requires that patients experiencing significant symptoms seek immediate medical attention for supportive care, as endorsed by the regulator, due to the recognized absence of a specific counteracting agent.

Therapeutic Uses of Windose

Windose is applied in situations involving certain distressing symptoms, including acute pain, inflammation, and fever. The medicine's therapeutic indications include the management of acute pain episodes, symptomatic discomfort associated with painful osteoarthritis, and primary dysmenorrhea.

The medication is commonly used across conditions presenting with episodic or fluctuating manifestations where short-term symptomatic assistance is needed. It helps address symptom clusters that may become intense or disruptive in various clinical settings.

“Applied in clinical settings that involve acute or unstable symptom patterns, Windose may assist with symptomatic relief during difficult episodes.”

This supportive therapeutic benefit means it is often used during phases when symptoms become more noticeable, such as managing localized discomfort following postoperative dental pain, or easing pain and swelling related to acute upper respiratory conditions like a sore throat. Furthermore, in adults with osteoarthritis, the medication may assist with supporting day-to-day comfort by contributing to the easing of painful joint manifestations.

Quick Fact: Targeting Combined Symptoms (Pain, Inflammation, and Fever)

Regulatory References

  1. European Medicines Agency (EMA) therapeutic overview

Eligibility and Restrictions for Use

The official regulatory eligibility for Windose (Nimesulide) is highly restricted by a profile of absolute contraindications and mandatory duration limits.

Eligibility Scope

Category Regulatory Status
Adolescents (Age 12+) and Adults Use is allowed, subject to strict restrictions.
Children (Under 12 Years) Contraindicated.

Contraindicated Populations (Must Not Use)

Use is absolutely prohibited by regulatory bodies in patients with specific health conditions:

  • Organ Dysfunction: Active hepatic impairment (liver disease) or severe renal impairment (creatinine clearance < 30 mL/min).
  • Gastrointestinal: Active or recurrent stomach ulcers, GI bleeding, or a history of hepatotoxic reactions to Nimesulide.
  • Cardiovascular: Severe heart failure.
  • Hypersensitivity: Known allergy to Nimesulide, aspirin, or other NSAIDs.

Life Stage Restrictions

  • Pregnancy: Contraindicated during the third trimester and not recommended during the first and second trimesters.
  • Lactation: Contraindicated in women who are breastfeeding.

Mandatory Use Limitations

Treatment must be restricted to the shortest possible duration, generally not exceeding 15 consecutive days for all eligible users. Furthermore, the use of Windose is contraindicated in patients who currently have fever and/or flu-like symptoms.

What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Windose

Interaction Scope

Medicinal product categories with documented interactions include Anticoagulants, Antiplatelet agents, Diuretics, ACE Inhibitors/ARBs, certain Immunosuppressants (Ciclosporin), Lithium salts, and Antimetabolites (Methotrexate). The interaction pattern is primarily defined by two regulatory risks: additive pharmacodynamic effects and pharmacokinetic exposure elevation.

Interaction Classifications (High-Level)

Interaction severity classification officially notes that combination with other NSAIDs and Hepatotoxic agents in patients with hepatic impairment is formally contraindicated. Interactions with Anticoagulants and Methotrexate require strict monitoring. Population-specific notes confirm that the risk and severity of gastrointestinal and renal interactions are heightened in elderly patients.

Resulting Interaction Structure

Official interaction statements:

  • Co-administration with Anticoagulants elevates the risk of haemorrhage.
  • Increases the plasma concentration of Lithium by reducing its renal clearance, which can lead to toxicity.
  • Increases the plasma concentration of Methotrexate by reducing its tubular secretion, increasing toxicity risk.
  • Reduces the efficacy of Diuretics and increases the risk of renal function deterioration.
  • Concomitant use of Alcohol is restricted due to an increased risk of gastrointestinal bleeding.

Connection to the overall interaction profile (2–4 sentences): Regulatory documents define Windose's interaction structure primarily through two key risks: additive pharmacodynamic effects that increase the risk of bleeding and renal compromise. Additionally, the official profile notes a specific pharmacokinetic pattern where the medicinal product reduces the clearance of substances like Lithium and Methotrexate, leading to their increased systemic exposure.

Mechanism of Action

Selective Modulation of Inflammatory Signaling

The primary action involves the preferential inhibition of the Cyclooxygenase-2 (COX-2) enzyme. This enzyme is upregulated at sites of irritation and is responsible for synthesizing prostaglandins that contribute to heightened nociceptor sensitivity and increased thermoregulatory set point. By targeting COX-2, the compound interrupts the sequence of the Arachidonic Acid Cascade, leading to a reduced formation of these signaling chemicals. This molecular action results in a reduction in the chemical sensitization of peripheral nerve endings (nociceptors) and normalizes the hypothalamic temperature set point.


Complementary Non-Prostaglandin Actions

The mechanistic profile extends beyond prostaglandin inhibition by utilizing non-COX-dependent mechanisms that modulate downstream physiological responses. This includes the inhibition of Matrix Metalloproteinases (MMPs), which modulate extracellular matrix turnover, and the modulation of inflammatory cell function through targets like Phosphodiesterase Type IV (PDE-IV). These complementary actions influence extracellular matrix turnover and regulate the release of additional inflammatory mediators (such as histamine and certain cytokines), affecting the local physiological state.

Dosage and Administration Information

How Windose is Used

Windose is available in systemic formulations, including tablets and granules for oral administration, as well as suppositories for rectal administration. Usage instructions establish fixed parameters for dosing, frequency, and duration across approved uses.

Administration and Dosage Regimen

The standard prescribed dose for adults and adolescents (12 to 18 years) is 100 mg per administration, to be taken twice a day (bid). This regimen establishes a maximum total daily dose of 200 mg. Oral formulations, such as the tablets or granules (which require reconstitution), must be consumed after a meal to ensure proper administration.

Dosage adjustments are documented as not necessary for older adults or for patients diagnosed with mild to moderate renal impairment (creatinine clearance 30-80 ml/min).

Duration and Contextual Use

Windose is intended to be used at the minimum effective dose for the shortest possible duration. Treatment courses are limited and must not exceed 15 days in total length. The medicine is further restricted to be prescribed as a second line treatment for its approved conditions, meaning its use is considered after other options have been evaluated. This procedural structure defines the standardized approach to the drug's use.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Windose (Nimesulide)

This overview describes the research evidence that has explored the medicine Windose, focusing on the types of studies conducted, the outcomes they measured, and what remains uncertain, based on official regulatory and scientific sources. This information is purely descriptive and does not provide clinical guidance.


Evidence for Use in Acute Pain Episodes

The research exploring Windose for acute pain episodes is primarily based on a large number of short-term Randomized Controlled Trials (RCTs) (using strong methodological designs). These studies often compared the drug against both a placebo and active NSAID comparators. Data are also synthesized in Systematic Reviews and Meta-analyses. These trials focused on adults and adolescents (aged 12 years and older) applied in research contexts involving fluctuating or unstable symptoms.

The research examined outcomes related to physical discomfort, primarily measuring patient-reported perceived discomfort and monitoring key metrics such as outcomes describing episodic or acute changes over short assessment periods. Findings describe patterns observed in the studies. Research contributes to understanding symptom patterns related to pain intensity. What remains uncertain is the evidence base beyond the time frames of the trials, as long-term effects are not fully established.


Evidence for Symptomatic Relief in Painful Osteoarthritis (OA)

Research exploring Windose for conditions characterized by fluctuating or episodic manifestations like painful osteoarthritis (OA) was evaluated in intermediate-term studies, often designed as active-controlled trials. These studies focused on adults with OA and studied outcomes related to functional imbalance and daily functioning. However, the evidence is not designed to support the long-term management of this chronic condition. Regulatory guidance indicates that use is only permitted for acute periods of heightened symptoms within OA, for a maximum of 15 consecutive days. This means the results apply only to the populations studied over very short periods.


Evidence for Primary Dysmenorrhea

Windose was studied for primary dysmenorrhea (menstrual pain) in research that includes RCTs, many utilizing a crossover design. These trials was evaluated in populations of women and adolescents experiencing periods of heightened symptom activity. Studies explored outcomes related to episodic or acute changes in pain intensity and monitored outcomes related to physiological strain or stress. Comparative evidence against every other treatment may be lacking in certain head-to-head trials, but studies focus on episodes where symptoms become more noticeable.

Key Studies & References Nimesulide in the treatment of osteoarthritis: a meta-analysis (Review of Efficacy and Comparator Data)

Frequently Asked Questions (FAQ)

Common questions about Windose (FAQ)


Q: Is Windose considered a common medicine?

A: Regulatory documents state that Windose is classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). However, authorities like the European Medicines Agency (EMA) have restricted its use to a second-line treatment for specific, acute conditions. In some major markets, such as the United States and the United Kingdom, the medicine is not approved for use, which limits its use compared to other general pain relief medications.


Q: Does Windose treat the cause or just the symptoms?

A: Official information indicates that Windose is only intended for the symptomatic relief of acute pain and painful osteoarthritis. This means the medicine works to reduce the feeling of pain, inflammation, and fever. It does not treat or cure the underlying condition causing the symptoms.


Q: Is Windose the same type of drug as [Specific Similar Drug Name]?

A: Windose is generally classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). Its mechanism involves preferential selectivity for the COX-2 enzyme, which classifies it within a specific sub-group of NSAIDs. This general classification helps define its relationship to other pain and inflammation medicines.


Q: What is the typical time frame for Windose to start working?

A: Official data on how the body processes the medicine indicates it is rapidly absorbed after being taken orally. The highest concentration in the bloodstream is typically reached in approximately two to three hours. This pharmacokinetic profile is consistent with the drug’s intended role in providing a rapid onset of action for acute pain relief.


Q: How long can the effects of one dose of Windose last?

A: The official regulatory regimen dictates that the medicine is typically prescribed to be taken twice a day. The standard twice-a-day dosing schedule suggests that the medicine’s action is intended to last for about 12 hours between doses. The actual duration of relief can vary among individuals.


Q: Is it okay to take Windose every day for a long period?

A: Official regulatory documents strictly mandate that treatment must be limited to the shortest possible duration. For any acute pain episode, use is not allowed to exceed 15 consecutive days. The restriction is based on safety concerns, as the risk of certain adverse events is associated with long-term use.


Q: Is it safe to take Windose with my vitamins and minerals?

A: The official product information lists specific interactions with certain prescribed medicinal products, such as anticoagulants and diuretics. The regulatory documents do not document specific interactions with general vitamins or minerals. Regulatory guidance suggests that interactions should be considered when combining Windose with any substance that may have medicinal properties.


Q: Does Windose contain any ingredients that might cause an allergic reaction?

A: Official safety information states that the medicine is contraindicated (prohibited) for individuals with a known allergy or hypersensitivity to the active substance (Nimesulide), other NSAIDs, or any of the excipients (inactive ingredients) used in its formulation. This information is contained in the official product labeling.


Q: What is the purpose of Windose easily misunderstood by patients?

A: A common potential misunderstanding is related to the official restrictions on its use. Windose is strictly mandated as a short-term (maximum 15 days), second-line treatment for acute symptoms only. Users sometimes mistakenly assume it is approved for long-term management, which contradicts the official regulatory limits on its use.


Q: Is it true that Windose is only for temporary use?

A: Yes, official regulatory guidance explicitly confirms that Windose is intended only for temporary use. The maximum duration of treatment permitted by authorities is strictly limited to 15 consecutive days for acute pain episodes, confirming its short-term designation.


Q: Is it described in official sources whether Windose has a risk of dependence?

A: Windose is classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). Official regulatory documents regarding its safety and undesirable effects do not list drug dependence or addiction as a known risk associated with its use.


Q: What does the term 'pharmacovigilance' mean for a drug like Windose?

A: Pharmacovigilance is the official, ongoing monitoring process conducted by regulatory bodies to collect and assess safety data and adverse reactions after the medicine has been authorized. This process ensures the medicine's safety profile is continuously tracked once it is in wider use.


Q: Do official sources mention any long-term effects of using Windose?

A: Official regulatory documents caution that the evidence base for Windose is not fully established beyond short-term clinical trials. The risk of certain serious adverse events, such as hepatotoxicity (liver injury), is associated with prolonged exposure. Consequently, official regulatory guidance strictly limits the duration of use to a maximum of 15 days.


Q: Is the evidence for Windose based on human or animal studies?

A: The research supporting Windose includes both human studies, such as Randomized Controlled Trials, which assess its effectiveness and safety in patients. It also includes animal studies, which are used for preclinical investigations to understand its mechanism and safety profile.


Q: If I stop taking Windose, will the treated condition immediately return?

A: Since the medicine is approved only for the symptomatic relief of acute pain, its action is to manage symptoms while it is being taken. If the underlying cause of the symptoms has not fully resolved, it is possible that the pain and inflammation will become noticeable again after the treatment course is stopped.


Q: Can Windose interact with herbal products or natural remedies?

A: The official interaction map details risks with other prescribed medicinal products. While specific herbal products are not usually listed, regulatory advice suggests that the potential for interaction should be considered. This is particularly relevant for products that may affect liver function or the body's ability to clot blood.


Q: What official body regulates the information provided about Windose?

A: The information is regulated by national government agencies, such as the European Medicines Agency (EMA) in the European Union, which authorizes the product and monitors its safety. Other national health authorities oversee the product’s use within their specific jurisdictions.


Q: Why do different countries have slightly different official documents for Windose?

A: Variations occur because each country’s regulatory body (e.g., in Europe, Canada, Australia) conducts an independent assessment of the drug. These bodies make decisions based on their own legal frameworks, national risk management policies, and scientific interpretations, which can lead to differences in approval status and specific usage restrictions.


Q: What does it mean that Windose is 'FDA-approved'?

A: According to available regulatory information, the medicine containing Nimesulide (Windose) is not currently approved or marketed for use in the United States by the Food and Drug Administration (FDA). This status is primarily due to safety concerns that regulators identified, specifically regarding the risk of severe liver injury.

How should Windose be stored and disposed of?

How to Store and Dispose of Windose?

This medication must be stored and disposed of according to official regulatory requirements to maintain its stability and ensure environmental safety.

Storage Conditions

Requirement Instruction
Temperature Store below 25 C, protected from excessive heat.
Protection Keep the product in its original package, protected from light and moisture.
Handling Do not freeze the product, especially liquid or suspension forms.
Child Safety The medicine must be kept out of the sight and reach of children.
Stability Any prepared liquid suspension has a short, documented shelf life and must be discarded after the specified period.

Disposal Instructions

Unused or expired Windose must not be disposed of in household trash or wastewater. Disposal must be conducted according to local environmental regulations, typically through a pharmaceutical take-back scheme or collection program.

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

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