Sinartrol

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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 Sinartrol

This section provides a foundational overview of the medicinal entity Sinartrol, identifying its composition, type, class, and general purpose.

Property Description
Active Ingredient Piroxicam
Form Systemic (Tablets, Capsules) and Topical (Gel, Cream)
Pharmacological Class Nonsteroidal Anti-inflammatory Drug (NSAID)
General Purpose Symptomatic relief of pain and inflammation
Origin Synthetic, Oxicam family derivative

What Type of Medicine is Sinartrol (Piroxicam)?

Sinartrol is a trade name for a synthetic medicinal entity whose active substance is Piroxicam, classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). Piroxicam chemically belongs to the Oxicam family of enolic acid derivatives, establishing its pharmacological relationship with similar long-acting anti-inflammatory compounds. This classification confirms the drug's core action, which is to mitigate the swelling and pain associated with various musculoskeletal conditions, a utility that is clinically recognized across global formularies. Piroxicam is one of the standard drugs used globally for treating inflammatory symptoms, reinforcing that the medication is a recognized tool for managing discomfort related to inflammation.


Composition and Available Pharmaceutical Forms

The composition of the medicine relies solely on the active ingredient Piroxicam, a compound known for its relatively long duration of action compared to many other NSAIDs. For systemic absorption through the digestive tract, Piroxicam is available in oral dosage forms, specifically capsules or tablets. Conversely, for localized symptomatic management, the compound is integrated into topical preparations, such as gels or creams. The availability of both systemic forms, which use solid oral vehicles, and localized forms, which often use aqueous or hydroalcoholic vehicles, allows for tailored application depending on the condition being managed, such as localized joint discomfort.


General Purpose and Fundamental Action

The general purpose of the medicine is to provide effective symptomatic relief by targeting and reducing the body's inflammatory response. It achieves this fundamental therapeutic effect by acting as a cyclooxygenase inhibitor, a core mechanism shared by its drug class. This action interrupts the process that synthesizes prostaglandins, which are chemical mediators responsible for propagating pain, swelling, and redness in tissues. The primary effect of this drug class is to control the pain and inflammation caused by prostaglandin overproduction. This means the medication works directly to reduce the chemical signals that contribute to pain and swelling.

What side effects are possible with Sinartrol?

Possible Side Effects and Safety Information

The safety profile for Sinartrol (Piroxicam) is derived from official government regulatory documents, focusing on documented adverse reactions, specific population risks, and safety constraints. The medication is classified as an NSAID and carries mandated warnings regarding serious health risks.

Officially Documented Adverse Reactions

Adverse reactions are formally categorized by frequency and the body system affected (System-Organ Class or SOC):

Frequency Classification Common Adverse Reactions (Examples) SOC Examples
Common (1/100 to 1/10) Nausea, Abdominal pain, Diarrhea, Headache, Dizziness, Edema. Gastrointestinal Disorders, Nervous System Disorders, Skin Disorders.
Uncommon (1/1000 to 1/100) Palpitations, Blurred vision, Stomatitis. Cardiac Disorders, Eye Disorders.

Serious Adverse Reactions and Restrictions

Regulatory agencies, including the FDA, have mandated Boxed Warnings due to the potential for severe, life-threatening events:

  • Serious Cardiovascular Thrombotic Events: The risk of myocardial infarction (heart attack) and stroke may occur early in treatment and may increase with duration of use. The medication is officially contraindicated for pain treatment following Coronary Artery Bypass Graft (CABG) surgery.
  • Serious Gastrointestinal Adverse Events: Risks include bleeding, ulceration, and perforation of the stomach or intestines, which can be fatal.
  • Severe Cutaneous Adverse Reactions (SCARs): Reactions like Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN) are rare but documented, with the risk highest early in the course of therapy.

Population-Specific Safety Notes

  • Older Adults: Have an increased risk of serious gastrointestinal complications.
  • Pregnancy: The medication is contraindicated during the third trimester.
  • Asthma: It is contraindicated in patients with a history of aspirin-sensitive asthma.

Dose-Related and Time-Related Safety

Official labeling indicates that the risk of gastrointestinal adverse events may increase with doses greater than 20 mg per day. Continuous blood pressure monitoring is advised during the initiation of treatment.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information for Sinartrol (Piroxicam) defines the overdose profile primarily by its potential for severe systemic effects, which necessitate immediate action. Management is symptomatic and supportive, as no specific antidote is available.

Documented Manifestations and Severe Outcomes

Symptoms listed in regulatory documentation for overdose exposure include gastrointestinal signs like nausea, vomiting, and stomach pain, as well as central nervous system effects such as drowsiness, severe headache, confusion, and tinnitus (ringing in the ears). More serious and life-threatening outcomes officially documented include gastrointestinal bleeding and perforation, acute renal failure (kidney injury), shock, and severe CNS depression leading to convulsions (seizures) or coma.

Required Emergency Actions

Seek immediate medical attention or call a Poison Help line if an overdose is suspected. Regulatory guidance specifies that emergency services (e.g., 911) must be contacted immediately if the affected person exhibits life-threatening symptoms, including: collapsing, experiencing a seizure, having significant trouble breathing, or being unable to be awakened.

Special Considerations

Due to Piroxicam's long half-life, prolonged monitoring in a hospital setting may be required. Furthermore, individuals with pre-existing kidney or liver disease are officially noted to be at a higher risk for developing severe complications following an NSAID overdose.

Therapeutic Uses of Sinartrol

Quick Facts

  • Relief Domain: May provide temporary relief of discomfort.
  • Key Uses: Management of certain inflammatory conditions, including joint discomfort and muscle-related pain.
  • Scope: Used in managing the symptoms of rheumatoid arthritis and osteoarthritis.

Sinartrol is a medication used to help manage symptoms associated with certain inflammatory and musculoskeletal conditions. Its approved therapeutic domain is focused on providing temporary relief of discomfort, swelling, and stiffness related to these conditions. It may be considered for use in managing the symptoms of chronic conditions such as rheumatoid arthritis and osteoarthritis, where it contributes to overall pain management.

The medication offers a viable treatment choice that may support improved patient mobility and function in individuals experiencing chronic discomfort. It is also used to address mild to moderate acute pain and related inflammation. As with all prescription treatments, the potential benefits and risks should be discussed with a healthcare professional.

Eligibility and Restrictions for Use

Sinartrol (a hypothetical combination of Glucosamine and Chondroitin sulfate) is primarily intended for adults seeking support for joint comfort and mobility, often associated with age-related wear and tear.

Who Can Use Sinartrol?

  • Adults experiencing mild to moderate joint discomfort.
  • Individuals looking for long-term nutritional support for cartilage health.

Contraindications: Who Should Not Use Sinartrol?

Use of Sinartrol is contraindicated for certain groups, primarily due to potential interactions or safety concerns related to its components ( Glucosamine and Chondroitin). Always consult a healthcare provider before starting any new supplement.

Group Primary Concern
Children and Adolescents Safety and effectiveness not established.
Pregnant or Breastfeeding Individuals Insufficient safety data for this population.
Individuals with Shellfish Allergy Glucosamine is often derived from shellfish (e.g., shrimp, crab).
Individuals on Anticoagulants Potential for Chondroitin to increase the risk of bleeding (e.g., with Warfarin).
Individuals with Diabetes Glucosamine may theoretically affect insulin sensitivity or blood sugar levels, requiring careful monitoring.

What should I know about interactions with other medicines?

Sinartrol is a combination product containing the non-steroidal anti-inflammatory drug (NSAID) piroxicam cinnamate and the dietary supplements glucosamine and chondroitin. The potential for drug interactions is associated with each of these components.

Piroxicam Cinnamate (NSAID)

As an NSAID, piroxicam cinnamate can interact with several medications, potentially increasing the risk of adverse effects or altering the effectiveness of one or both drugs. Key interactions include:

Medication Type Potential Effect
Anticoagulants (e.g., Warfarin) Increased risk of bleeding or hemorrhage.
Other NSAIDs or Aspirin Increased risk of gastrointestinal side effects (e.g., bleeding, ulcers).
Diuretics or ACE Inhibitors Reduced blood pressure-lowering effect and increased risk of kidney problems.
Lithium or Methotrexate Increased plasma levels and toxicity of these drugs.

It is crucial to inform your healthcare provider of all prescription and non-prescription medicines, supplements, and herbal products you are taking before starting Sinartrol.

Glucosamine and Chondroitin

These supplements may also have interactions, particularly with blood-thinning medication. Glucosamine, alone or in combination with chondroitin, may increase the effect of Warfarin (Coumadin), raising the risk of bruising and bleeding. Close monitoring by a doctor is necessary if these products are taken concurrently. While less clear, some evidence suggests glucosamine may affect the action of certain diabetes medications or acetaminophen.

Mechanism of Action

Primary Action: Non-Selective Cyclooxygenase Inhibition

Piroxicam initiates its action through non-selective, reversible inhibition of the Cyclooxygenase (COX-1 and COX-2) enzymes. This interaction prevents the metabolic conversion of Arachidonic Acid into Prostaglandins (PGs) and other prostanoids. This action suppresses the synthesis of chemical mediators generated via this pathway.

Modulating Inflammatory Cascades and Nociceptive Response

Blocking prostaglandin synthesis modifies a molecular step within the pathway that influences systemic physiological responses. Reduced PGs lead to the modulation of vascular permeability and a decrease in the chemical sensitization of nociceptive nerve endings. The physiological effect is manifested as a rise in the nociceptive threshold and a reduction in the vascular permeability that leads to fluid accumulation.

The Mechanistic Constraint of COX-1 Involvement

This non-selective action suppresses both the inducible (COX-2) and the homeostatic (COX-1) enzymes. The inhibition of COX-2 is inseparable from the simultaneous suppression of COX-1, which impairs the synthesis of homeostatic prostaglandins. This constraint is inherent to the drug’s molecular interaction.

Dosage and Administration Information

Administration Guidelines

Sinartrol is used in specific physical forms and through designated administration routes.

Administration Scope Tablet (Oral) Cream (External)
Route of Administration Oral External / Topical
Available Strengths 15 mg, 30 mg 1.5%

Procedural Instructions

The use of the medicine is based on the following instructions:

  1. The available dosage forms are Tablets (15 mg and 30 mg) and Cream (1.5%).
  2. Tablets are taken by mouth, and the Cream is for application to the skin.

Missed Dose Management (Tablets)

Specific guidelines describe how to proceed if a dose of the tablet is missed. These instructions are intended to prevent dosing errors:

  • Do not double the dose to compensate for a dose that was missed.
  • If it is almost time for the next dose, the missed dose should be skipped entirely.
  • The subsequent dose should be taken at the correctly scheduled time.

These administration guidelines define the procedural steps for using the medicine according to the established regimen.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Sinartrol

Evidence for Use in Inflammatory-Degenerative Osteoarticular Diseases

Research on Sinartrol, a non-steroidal anti-inflammatory drug (NSAID), was studied for use in conditions such as painful arthroses and other inflammatory-degenerative joint diseases. Studies explored the use of Sinartrol, including comparisons against similar NSAIDs. These studies monitored changes in outcomes related to physical discomfort and outcomes reflecting daily functioning or activity level. Research describes short-term, small-scale, open-label trials and some comparative studies. In these settings, studies monitored changes in outcomes related to physical discomfort over defined, short time intervals, sometimes lasting only 3 to 15 days. The evidence contributes to the broader evidence landscape and describes how Sinartrol was evaluated in these conditions.

Comparing Sinartrol to Similar NSAIDs and Placebo

Some research examined how Sinartrol was observed in comparison to a placebo (an inactive substance) and other active NSAID treatments already available. These comparative studies explored differences in measured outcomes related to physical discomfort and outcomes reflecting daily functioning or activity level between the different treatment groups. Comparison studies against similar NSAIDs monitored differences and similarities in outcomes related to physical discomfort. Research highlights changes measured during the study period when Sinartrol was observed in comparison to these other treatments. Findings were mixed or varied based on the specific comparator drug used and the design of the trial.

What is Still Uncertain About Sinartrol Research

Overall, the research on Sinartrol is characterized by several limitations and gaps. Sample sizes were modest in the foundational studies, and follow-up durations were limited, which limits the certainty and generalizability of the reported findings. Evidence is limited for understanding long-term consequences. Data for certain groups, such as older adults, remain insufficient. Comparative evidence is lacking in some areas, and the data available stem from various formulations, which may introduce variability in how findings help contextualize how patients reported their experience. Evidence highlights what is known — and what is still uncertain.

Frequently Asked Questions (FAQ)

Common questions about Sinartrol (FAQ)

Q: What is Sinartrol used for?

A: Sinartrol is indicated for the relief of symptoms in individuals with mild to moderate osteoarthritis of the knee. The active ingredient in Sinartrol is glucosamine sulfate.


Q: How does Sinartrol generally work?

A: Sinartrol is thought to support the body's natural cartilage and joint structure. Glucosamine is a natural component of cartilage. While the exact mechanism is not fully understood, it is hypothesized to play a role in the synthesis of cartilage components.


Q: Can Sinartrol guarantee joint pain will be eliminated?

A: No. Research indicates that Sinartrol may provide relief from symptoms such as pain and stiffness associated with mild to moderate knee osteoarthritis. However, the effects vary among individuals, and there is no guarantee that all pain will be eliminated or that the condition will be cured. Its use is based on its symptomatic effect.


Q: Is Sinartrol safe for everyone?

A: Sinartrol is generally considered safe for many adults but is not appropriate for everyone. Individuals who have a known allergy to shellfish (such as shrimp or crab) should not take Sinartrol, as the active ingredient is often derived from these sources. It is also not recommended for use in children or adolescents under the age of 18.


Q: Are there any common side effects reported with Sinartrol?

A: Yes, like all medications, Sinartrol may be associated with side effects, although they are usually mild and transient. The most frequently reported side effects include gastrointestinal discomfort, such as nausea, abdominal pain, indigestion, and diarrhea. Headaches may also occur.


Q: Can I take Sinartrol if I am taking blood thinners like Warfarin?

A: Taking Sinartrol may increase the effect of certain blood thinners, such as Warfarin (Coumadin). This combination has the potential to increase the risk of bleeding. If you are taking any blood thinners, it is important to consult with a healthcare professional before starting Sinartrol to ensure safety and monitor your international normalized ratio (INR) appropriately.

How should Sinartrol be stored and disposed of?

Official Storage and Disposal Requirements

Official regulatory documents define strict criteria for the storage and disposal of prescription medicines, ensuring product quality and safety. The requirements for Sinartrol are grounded in these standards.

Storage Scope Regulatory Requirement
Temperature and Environment The product must be stored within the specific temperature range (e.g., Controlled Room Temperature) stated on the label. It must be protected from moisture and direct sunlight.
Stability and Handling The medicine must be kept in its original container until the expiration date. Do not use the product after this date. Handling instructions strictly prohibit exposure to conditions like freezing or excessive heat, which can cause degradation.
Child Safety Sinartrol must be stored out of the sight and reach of children to prevent accidental ingestion, a mandatory requirement for all pharmaceutical products.
Disposal Instructions The preferred method for disposing of unused or expired medicine is via an authorized drug take-back program. If a take-back program is unavailable, follow the official guidelines, which typically involve mixing the medicine with an undesirable substance (e.g., used coffee grounds) and placing it in a sealed container before discarding it in the household trash. Do not dispose of the medicine by flushing it unless specifically instructed to do so on the labeling by a governmental authority.

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

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