Tilex

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Medically reviewed

Rosario Oropesa

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 Tilex

Property Description
Active ingredient Glucosamine Sulfate (pm Diacerein)
Form Oral Tablet or Film-coated Tablet
Pharmacological class Chondroprotective Agent (SYSADOA)
Common use Structural support and relief of joint stiffness
Origin Derived substance (Shellfish or Synthetic/Fermentation)

Tilex is a specialized pharmaceutical preparation, often marketed in markets like India, Bangladesh, and parts of Asia by manufacturers such as Square Pharmaceuticals PLC, that offers structural support for joint cartilage. It is generally classified as a Chondroprotective Agent, belonging to the group of Symptomatic Slow-Acting Drugs for Osteoarthritis (SYSADOA). The medicine is commonly used by adult patient groups seeking to support their joint function, which is a clinical strategy that may help those who cannot tolerate other forms of pain relief.


Composition and Form: What is Glucosamine?

The central active ingredient is Glucosamine, typically stabilized as Glucosamine Sulfate, and presented as an Oral Tablet. Glucosamine is an amino monosaccharide that acts as a fundamental precursor required for the synthesis of key cartilage matrix molecules, such as proteoglycans and glycosaminoglycans. This mechanism of rebuilding support is supported by pharmacological studies that demonstrate its role in joint structure maintenance.

Tilex is specifically distinguished by the fact that it is often provided as a fixed-dose combination product, sometimes including Diacerein, an anthraquinone derivative. This combination approach is clinically recognized as offering a dual benefit for joint symptoms, as Diacerein has demonstrated efficacy in helping to improve joint function. This means that, in combination forms, the preparation is positioned to offer both structural support via Glucosamine and targeted inflammation modulation via Diacerein, which is a key differentiating factor from single-ingredient Glucosamine supplements.

What side effects are possible with Tilex?

Possible Side Effects and Safety Information

The officially documented safety profile for Tilex (Glucosamine Sulfate pm Diacerein) is primarily characterized by effects on the gastrointestinal system and specific constraints related to hepatic function. Adverse reactions are classified according to regulatory frequency standards.

Frequency-Classified Adverse Reactions

Classification Examples of Documented Effects
Very Common Diarrhoea, abdominal pain (associated with Diacerein)
Common Nausea, dyspepsia, flatulence, headache, pruritus, rash
Uncommon Erythema, elevated hepatic enzymes
Not Known Acute liver injury, hepatitis, angioedema, hypersensitivity reactions

Serious Safety Constraints

The most significant regulatory constraints involve serious adverse reactions. Use is contraindicated in individuals with existing liver disease or a history of liver dysfunction, due to the documented risk of acute liver injury and hepatitis associated with the Diacerein component. Severe diarrhoea is also a documented serious risk due to the potential for dehydration and electrolyte imbalance. Allergic reactions, including angioedema, are serious adverse reactions associated with Glucosamine.

Population-Specific Notes

The label restricts use in several populations: it is not recommended for elderly patients (ages 65 and older) due to the increased risk of severe diarrhoea. It is also contraindicated in individuals with a known shellfish allergy (if Glucosamine is sourced from shellfish). For patients with impaired glucose tolerance, closer monitoring of blood glucose levels is advised.

Time-Related Safety Patterns

Regulatory documents specify that adverse reactions, such as diarrhoea and loose stools, are often most frequent during the first weeks to months of treatment and may diminish with continued administration. Cases of acute liver injury have also been reported most often during the initial months of use. Patients taking Coumarin anticoagulants require mandated monitoring of coagulation parameters at the initiation or cessation of Glucosamine therapy.

Overdose and Emergency Response

Overdose and when to seek help: Official Regulatory Information for Tilex

The regulatory profile for Glucosamine Sulfate and Diacerein (Tilex components) defines overdose primarily by the exacerbation of known gastrointestinal effects, which signals the need for emergency action.

Documented Overdose Manifestations

Domain Official Regulatory Statement
Documented Manifestations Overdose is typically characterized by symptoms such as diarrhea, abdominal pain, nausea, and vomiting. Glucosamine overdose has also been documented with symptoms including headache and dizziness.
Serious Outcomes Severe diarrhea, particularly from Diacerein overdose, can lead to serious complications including dehydration and disorders of fluid and electrolyte balance, such as hypokalaemia (low potassium). Life-threatening allergic reactions are a risk in predisposed individuals exposed to Glucosamine.

Required Emergency Actions

In cases of suspected overdose, treatment with the product must be discontinued immediately. Because no specific antidote is available, management is symptomatic and supportive. Immediate medical attention is required to adopt standard supportive measures, including specific intervention to restore hydro electrolyte balance if severe diarrhea and dehydration are present. This intervention is particularly critical for the elderly population.

Therapeutic Uses of Tilex

What Tilex Treats: Main Uses and Benefits

This medication is commonly used as part of the long-term management plan for symptomatic osteoarthritis and related degenerative joint diseases. It is used for managing groups of symptoms related to physical discomfort, such as chronic pain and stiffness. The Glucosamine component is indicated for the relief of symptoms in mild-to-moderate osteoarthritis, and may be part of the long-term approach that supports easing the overall symptom load.


Tilex is considered relevant as a therapeutic option for adults and elderly patients with mild-to-moderate joint degradation, often used when supportive, slow-acting management is needed. The treatment is applied to manage symptom clusters related to chronic joint discomfort, physical mobility restriction, and joint functional impairment. This approach provides supportive therapeutic benefit and may assist with maintaining functional stability.

“The treatment is used in scenarios where additional long-term management of discomfort is required for individuals seeking sustained care.”

This overall approach may assist with patients coping more steadily with symptom fluctuations that interfere with routine activities.


Quick Fact: Relief for Joint Stiffness and Chronic Discomfort

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Tilex — Official Regulatory Information

Official regulatory documents for the active ingredients (Glucosamine Sulfate pm Diacerein) define precise constraints on who may use this medicine. The allowed patient group is generally Adults (18 to < 65 years) with mild-to-moderate osteoarthritis.

Eligibility Status Populations Prohibited or Restricted
Contraindicated Patients with a known history of liver disease (Diacerein component), a shellfish allergy (Glucosamine component), or known hypersensitivity to any component.
Not Recommended Children and adolescents (under 18 years, as safety and efficacy are not established) and older adults (aged 65 years and above).
Physiological Status Use is not recommended during pregnancy (especially the first trimester) and breast-feeding due to insufficient safety data.
Conditional Use Patients with impaired glucose tolerance or diabetes mellitus must have their blood glucose levels closely monitored. Administration to patients with severe renal impairment must be under medical supervision.

These constraints establish that the medicine must not be used in specific groups due to absolute contraindications and requires close clinical monitoring in others, limiting the eligible population strictly to adults without these prohibiting conditions.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Tilex, which contains Glucosamine Sulfate and often Diacerein in fixed-dose combination forms, has specific officially documented interaction patterns primarily concerning anticoagulant medicines and substances with overlapping effects.

Documented Interaction Patterns

Classification Interacting Substance Regulatory Outcome & Constraint
Contraindicated Combination Laxatives Advised to be avoided with the Diacerein component due to severe additive effects (diarrhoea/hypokalaemia) (EMA).
Pharmacodynamic Reinforcement Coumarinic Anticoagulants (e.g., Warfarin, Acenocoumarol) Increases the anticoagulant effect (INR increment). Requires closer monitoring of coagulation parameters when Glucosamine is started or stopped.
Pharmacodynamic Risk Diuretics or Cardiac Glycosides Increased risk of cardiac arrhythmias due to potential hypokalaemia from the Diacerein component. Use with caution.
Exposure Modification Tetracyclines Glucosamine may enhance the gastrointestinal absorption of these antibiotics.
Substance Restriction Alcohol Patients are advised to limit intake due to the potential hepatotoxicity risk associated with the Diacerein component.

Metabolic Profile

Regulatory assessments have classified the Glucosamine component as possessing a low potential for pharmacokinetic interaction as it was documented not to inhibit the activities of major drug-metabolizing enzymes, including CYP1A2, CYP2C9, CYP2D6, and CYP3A4 (HPRA/SmPC). This defines the drug’s low propensity for common metabolic drug–drug interactions.

Mechanism of Action

Dual Modulation of Joint Homeostasis: Anabolism and Anti-Catabolism

The drug employs a two-pronged mechanism to regulate the balance between joint tissue synthesis and degradation. Glucosamine acts as an amino monosaccharide precursor, providing the essential building blocks for chondrocytes to synthesize new proteoglycans and support the maintenance of structural integrity . Simultaneously, Diacerein's active metabolite, Rhein, exerts an anti-catabolic effect by blocking the primary degradative signaling cascade driven by Interleukin-1 beta (IL-1beta).


Targeted Inhibition of Cartilage Degradation Enzymes

The core anti-catabolic mechanism is the precise interruption of the IL-1beta cytokine cascade. By inhibiting this signal, the drug reduces the gene expression and activity of destructive enzymes like Matrix Metalloproteinases (MMPs) and ADAMTS (Aggrecanases) . This action suppresses the proteolytic forces that break down the existing cartilage matrix, thereby influencing the net balance of catabolic and anabolic activity within the joint tissue. This process is governed by the slow biological turnover and gradual modulation of gene expression over time.

Dosage and Administration Information

How to Use Tilex: Official Administration Guidelines

Tilex, often containing Glucosamine Sulfate and sometimes Diacerein, is administered through the oral route exclusively. The official usage protocols establish precise daily schedules and conditional instructions based on regulatory guidance.


Standard Dosing and Administration

Component Dosing Regimen Timing and Conditions
Glucosamine Sulfate Standard adult dose is 1500 mg once daily. Typically taken once a day.
Diacerein Initial dose: 50 mg once daily for 2 to 4 weeks. Maintenance dose: 50 mg twice daily (total 100 mg/day). Must be taken with meals (e.g., breakfast and evening meal).

Tablets and capsules must be swallowed whole with water; they should not be crushed or opened. The powder for oral solution, if used, must be dissolved in water before intake.


Procedural and Time-Based Use

Administration is generally structured for long-term use due to its slow onset of action. Symptom relief may not become noticeable until after several weeks, typically 2 to 3 months, of continuous administration. Consequently, continuation of the treatment course should be re-evaluated by a healthcare professional if no benefit is observed after this initial 2–3 month period.

For specific patient populations, the administration schedule requires adjustment. For instance, a dose reduction to half of the standard adult dose is necessary in patients diagnosed with severe renal impairment (creatinine clearance less than 30 mL/min). The medicine is not recommended for use in children and adolescents under 18 years of age.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Tilex (Glucosamine Sulfate pm Diacerein)


Evidence for Symptomatic Management of Mild-to-Moderate Osteoarthritis

Research has studied Glucosamine Sulfate and Diacerein, the active components of Tilex, primarily in the context of exploring how symptoms change over time related to physical discomfort and daily functioning or activity level associated with osteoarthritis (OA). This research largely relies on Randomized Controlled Trials (RCTs), where patients was observed in over short- to intermediate-term periods (typically 2 to 6 months) and compared against a placebo or other symptomatic therapies.

The findings describe patterns observed in the studies regarding patient-reported outcomes describing perceived discomfort and stiffness. Some high-quality reviews focusing on the specific crystalline Glucosamine Sulfate formulation reported that research highlights changes measured during the study period in pain scores, though these changes were observed in some studies to be modest. However, findings were mixed across the entire body of evidence, with many trials reporting outcomes where the observed patterns were not consistently different from those reported in the placebo groups.


Structural and Long-Term Research: Tracking Disease Progression

Beyond measuring day-to-day patient-reported outcomes describing perceived discomfort, research has also been applied in studies examining what patterns were observed over the long-term regarding the physical structure of the joint. These were often long-term observational studies and RCTs with follow-up durations extending for one year up to three years. In these research scenarios, research examined the rate of Joint Space Narrowing (JSN), a radiographic outcome that was studied for assessing changes in joint structure over time.

For the Glucosamine Sulfate component, studies monitored the rate of JSN in the knee. The findings describe patterns observed in the studies where research highlights changes measured during the study period where the data show patterns related to a differential rate of joint space narrowing compared to control groups.


What Remains Uncertain in the Evidence Landscape

The existing research, while extensive, presents several areas of uncertainty. The evidence quality varies across studies, leading to findings that were mixed regarding the magnitude and consistency of outcomes related to physical discomfort compared to placebo. Specifically, the long-term effects are not fully established regarding the durability of symptomatic changes once treatment stops, and the significance of the measured structural changes remains a point of scientific discussion. Additionally, comparative evidence is lacking to clarify the outcomes of using the combination product over the single active ingredients.

Frequently Asked Questions (FAQ)

Common questions about Tilex (FAQ)


Q: Is Tilex the same thing as other common medicines for the same condition?

Official information states that Tilex's active ingredient, Glucosamine, belongs to a class of medicines called SYSADOAs (Symptomatic Slow-Acting Drugs for Osteoarthritis). Unlike NSAIDs, which target pain quickly, this class does not inhibit prostaglandin synthesis. This defines its difference in approach compared to fast-acting pain relief medications.


Q: Is it normal to feel [General Sensation] when first starting Tilex?

Regulatory documents indicate that adverse reactions, particularly diarrhoea associated with the Diacerein component, are often more frequent when first starting treatment. These effects are often reported to occur during the first weeks to months and may diminish with continued administration. This pattern is part of the documented safety profile for the product.


Q: If I miss a dose of Tilex, what happens?

Official patient information often describes the process for a missed dose, which typically involves skipping it if the next dose time is near. The information emphasizes that a double dose should not be taken to make up for a forgotten one.


Q: Do I need to change my diet while I am using Tilex?

Regulatory guidance specifically notes that the Diacerein component of Tilex must be taken with meals to ensure optimal absorption. While this is a requirement for how the medicine is used, official documents do not describe a requirement for a general change to your overall diet.


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

The official documentation indicates that common analgesics and NSAIDs (non-steroidal anti-inflammatory drugs) may be used together with the Glucosamine component. These medications can be used simultaneously with Tilex.


Q: Can Tilex affect my sleep patterns?

Safety pharmacology studies on the Glucosamine component have shown no effects on the Central Nervous System (CNS), which includes processes related to sleep. The absence of listed effects on the CNS suggests sleep disturbance is not a commonly reported adverse reaction in the official safety profile.


Q: Does Tilex work the same way for everyone who takes it?

Research reviewed in regulatory assessments indicates that the findings on symptom improvement have been mixed across various studies. This means that the observed patterns of outcome are not consistently different from those of a placebo group, suggesting that the response may vary among individuals.


Q: Can Tilex interact with daily supplements like vitamins or herbal products?

The Glucosamine component is documented to have a low potential for pharmacokinetic interaction because it does not inhibit major drug-metabolizing enzymes. However, official regulatory documents do not provide a comprehensive list of specific interactions with all herbal products, and general caution is often described.


Q: What does the patient leaflet mean by 'contraindication' for Tilex?

A contraindication is a strict official statement that a drug must not be used by people with specific pre-existing conditions. For Tilex, this includes conditions like existing liver disease or a known shellfish allergy, because the risk of potential harm is judged to outweigh any possible benefits.


Q: How long can a person safely use Tilex?

Clinical trial data confirms the effectiveness of continuous treatment for Glucosamine sulfate formulations for up to three years. Regulatory safety has not been formally established for continuous treatment beyond this three-year period, as stated in official documents.


Q: What is the risk of dependence or withdrawal symptoms with Tilex?

Official regulatory documents do not classify the active ingredients in Tilex as controlled substances or agents with known potential for dependence. Furthermore, the drug is not classified as having known dependence potential.


Q: What are the signs of a severe allergic reaction to Tilex?

Official patient resources describe signs of a severe allergic reaction as potentially including a swollen face, eyes, lips, or tongue, difficulty breathing, or a widespread, itchy skin rash. The product label notes that allergic reactions, including angioedema, are serious potential adverse reactions.


Q: Does Tilex cause weight gain or loss?

Weight gain or loss is not listed among the documented common, very common, or uncommon adverse reactions in the official Summary of Product Characteristics (SmPC) documents. Therefore, it is not a frequently reported effect in the regulatory safety profile.


Q: Is Tilex safe to use if I have high blood pressure?

Studies on the Glucosamine component generally suggest no significant difference in blood pressure compared to placebo. However, it is noted in official information that patients may need to monitor their blood pressure after starting treatment.


Q: Can I use Tilex if I am currently taking an antidepressant?

Regulatory data on the Diacerein component suggests that it may potentially decrease the metabolism of some antidepressants. Official guidance states that patients must inform their healthcare provider about all current medications for an assessment of potential interactions.


Q: What should I do if the side effects of Tilex bother me?

Official guidance describes the process for reporting side effects, which involves communicating with a healthcare professional or directly submitting a report to the national regulatory body using their specific adverse event reporting system.


Q: What is the chance of getting a serious side effect from Tilex?

Serious side effects such as acute liver injury are listed with the frequency classification 'Not Known' in official documents. This means that the frequency cannot be reliably estimated from the available clinical trial and post-marketing data.


Q: Does Tilex affect fertility or reproductive health?

Official documents recommend against use during pregnancy due to a lack of sufficient safety data. While formal human studies on fertility are often absent, some research on the Glucosamine component suggests it may inhibit certain reproductive processes in non-human studies.


Q: Is there a generic version of Tilex available?

The availability of a generic version of the brand name Tilex varies by country and regulatory region. This is dependent on the expiration of local patents and the regulatory approval process for generic drugs in that specific jurisdiction.


Q: How is Tilex eliminated from the body?

The Glucosamine component is rapidly absorbed after being taken orally. Regulatory pharmacokinetic data indicates that approximately 50% of the dose is exhaled as carbon dioxide ( CO2) over a six-day period, with a portion also found in the urine.


Q: What should be included in my medical history when talking to a doctor about Tilex?

Key health history points that relate to the drug's official constraints include any history of liver disease, a shellfish allergy, diabetes or impaired glucose tolerance, severe renal impairment, and the use of Coumarin anticoagulant medications.


Q: Is the list of side effects in the packaging comprehensive?

The list is considered comprehensive based on the available clinical trial and post-marketing data. However, it may not include all rare effects, such as those listed with a 'Not Known' frequency.


Q: What happens if I take Tilex too close to my other daily medications?

The Diacerein component has specific regulatory guidance that it must be taken with meals to ensure optimal absorption. Taking the medication with food automatically creates a time separation from other daily medications, though general timing guidelines are not specified.


Q: What is the difference between an adverse event and a side effect for Tilex?

In regulatory terminology, an Adverse Event is any undesirable medical occurrence that happens while taking the drug. A Side Effect (or adverse reaction) is a specific undesirable event that is judged to be causally related to the drug's use.


Q: Can Tilex cause changes in mood or behavior?

Safety pharmacology studies on the Glucosamine component have indicated no effects on the Central Nervous System (CNS). Changes in mood or behavior are also not listed among the documented side effects reported in the regulatory product information.

How should Tilex be stored and disposed of?

How to Store and Dispose of Tilex (Glucosamine Sulfate)

Official regulatory documentation for Glucosamine Sulfate formulations outlines specific conditions for proper storage and disposal to maintain product integrity and safety.

Storage Requirements

The product must be kept out of the sight and reach of children and generally stored in its original package to protect from moisture. Depending on the formulation, storage may be required not to exceed 30 C (86 F), while some tablet forms do not require special temperature conditions. If packaged in certain containers, the product must be used within 6 months after the first opening.

Disposal Instructions

Expired or unused medicine must not be thrown into household waste or flushed down the toilet (wastewater). Patients are required to return the product to a pharmacy or designated local collection point for safe disposal, as the medication is not classified as hazardous waste requiring special handling.

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

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