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Inflamac retard

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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.

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Overview of Inflamac retard

Property Description
Active ingredient Diclofenac sodium
Form Prolonged-release tablet (Retard)
Pharmacological class Nonsteroidal Anti-inflammatory Drug (NSAID)
General purpose Relief from pain and inflammation
Origin Synthetic, acetic acid derivative

What Type of Medicine is Inflamac Retard?

Inflamac retard is a synthetic medicinal product intended for systemic use, containing Diclofenac sodium as its single active component. This substance is classified as a Nonsteroidal Anti-inflammatory Drug (NSAID), an acetic acid derivative that is recognized for its anti-inflammatory properties. This classification reflects its efficacy across various inflammatory conditions. As a prescription-only medication in many jurisdictions, Inflamac retard is positioned for the management of more persistent or severe inflammatory scenarios, differentiating it from common over-the-counter NSAIDs.


Understanding the Prolonged-Release Tablet Form (Retard)

Inflamac retard is presented specifically as a prolonged-release tablet, designated by the term "Retard," indicating a specialized, modified-release formulation. This system is engineered to control the rate at which Diclofenac is absorbed, ensuring a slow and consistent delivery of the active component over an extended duration. This feature allows the medication to maintain continuous therapeutic levels, a method utilized for improving patient convenience and consistency of symptom management. Modified-release formulations are designed to offer sustained action for patient benefit, differentiating this product from immediate-release Diclofenac preparations.


General Purpose: Pain and Inflammation Relief

The general purpose of Inflamac retard is to provide sustained systemic relief from the discomfort and symptoms associated with inflammatory processes, making it typically suitable for conditions such as chronic rheumatic pain. By inhibiting the synthesis of prostaglandins, the medication exerts a potent triple action. This includes an anti-inflammatory action that reduces physical signs like swelling, an analgesic effect for pain relief, and a supplementary anti-pyretic effect that helps modulate elevated body temperature.

Regulatory References

  1. Diclofenac: MedlinePlus Drug Information
  2. Guideline on the pharmacokinetic and clinical evaluation of modified-release dosage forms (EMA)
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What side effects are possible with Inflamac retard?

Safety Information and Adverse Effects

Inflamac retard contains diclofenac, a non-steroidal anti-inflammatory drug (NSAID). Like all medicines, it can cause side effects. The overall risk profile of diclofenac is well-established, with safety concerns primarily focused on the gastrointestinal and cardiovascular systems.

Commonly Reported Adverse Reactions

Adverse reactions that are frequently reported (common) often involve the gastrointestinal system and include nausea, vomiting, indigestion (dyspepsia), abdominal pain, and flatulence. Headache and dizziness are also noted as common effects.

Serious and Clinically Significant Risks

Administration of diclofenac is associated with an increased risk of serious dose-dependent adverse effects affecting the cardiovascular system. This includes a small increased risk of a heart attack (myocardial infarction) or stroke, particularly with high doses or prolonged use. Diclofenac is contraindicated in patients with established heart disease, such as heart failure (NYHA Class III-IV), ischemic heart disease, or cerebrovascular disease.

Serious gastrointestinal risks include the potential for ulceration, bleeding, and perforation of the stomach or intestines. These events can occur without warning symptoms and may be fatal. Additionally, severe, potentially life-threatening skin reactions, such as Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), have been reported rarely. Allergic reactions, including angioedema and anaphylaxis, may also occur.

Population-Specific Safety Considerations

  • Elderly Patients: Caution is required in the elderly due to a higher risk of serious gastrointestinal events. The lowest effective dose should be used for the shortest duration.
  • Pregnancy: Diclofenac is contraindicated during the last trimester of pregnancy as it may cause harm to the fetus's heart and kidneys and affect labor.
  • Existing Conditions: Use is restricted or requires caution in patients with active ulcers, severe heart, kidney, or liver failure, uncontrolled high blood pressure, and inflammatory bowel diseases (e.g., Crohn's disease, ulcerative colitis). Monitoring of liver and kidney function is often recommended during long-term therapy.
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Overdose and Emergency Response

Overdose and when to seek help — Official Regulatory Information for Inflamac retard

This section describes the officially documented overdose manifestations and emergency actions based strictly on government regulatory prescribing information for Diclofenac sodium.

Domain Official Regulatory Statements
Documented Overdose Presentations Common signs include gastrointestinal effects such as nausea, vomiting, diarrhoea, and stomach pain. Neurological manifestations may include drowsiness, headache, dizziness, and ringing in the ears.
Serious/Life-Threatening Outcomes Overdose can result in severe organ toxicity, including acute renal failure, hepatic failure, and potentially fatal gastrointestinal bleeding or perforation. Severe exposure may lead to seizures or coma.
Emergency-Response Statements No specific antidote is known for Diclofenac toxicity; treatment is strictly symptomatic and supportive. Procedures may involve administration of activated charcoal and gastric lavage. Continuous hospital monitoring is required for symptomatic cases.
When Immediate Medical Help is Required Patients must seek immediate medical attention right away. Urgent medical care is mandated for all symptomatic overdoses, especially if severe outcomes—such as signs of bleeding, confusion, or lack of urine output—are observed.
Population-Specific Notes The elderly and patients with pre-existing renal or hepatic impairment are at an increased risk for severe and potentially fatal outcomes following an overdose. The prolonged-release nature of Inflamac retard may contribute to delayed or extended effects.

Connection to the overall overdose profile: Regulatory documents define the overdose profile by listing expected clinical manifestations and severe organ-specific toxicities. This profile mandates a non-antidotal, symptomatic management approach, which directly translates to the required emergency action to seek immediate medical attention for any suspected overdose.

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Therapeutic Uses of Inflamac retard

Quick Facts: Uses of Inflamac retard

  • Support for joint discomfort: May offer relief for stiffness and pain associated with chronic joint conditions.
  • Helps manage inflammation: Intended to address swelling and other symptoms linked to inflammatory states.
  • Relief for certain pain: Used in managing specific instances of mild to moderate discomfort.

What Inflamac retard treats: main uses and benefits

Inflamac retard is a medication option prescribed by healthcare professionals to help support patient comfort by addressing symptoms related to various inflammatory conditions. Its primary use is in the management of signs associated with certain types of arthritis, including osteoarthritis and rheumatoid arthritis. In these contexts, the medication is intended to assist in relieving joint stiffness and reducing swelling to improve general well-being.

Additionally, Inflamac retard may be utilized to manage discomfort in specific situations, such as ankylosing spondylitis (a condition affecting the spine's joints) and in the relief of mild to moderate acute pain. This formulation is designed to contribute to a therapeutic regimen that aims to support symptom resolution within a reasonable timeframe, as determined by a physician.

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Eligibility and Restrictions for Use

Official Eligibility Profile for Inflamac retard

Inflamac retard (Diclofenac prolonged-release) eligibility is defined by official regulatory documents, strictly outlining who can use the medication and who is formally prohibited.

Absolute Contraindications

Use is prohibited in patients with a history of hypersensitivity to Diclofenac or any NSAID, including those with aspirin-sensitive asthma. It is also contraindicated in the presence of active gastrointestinal ulceration, bleeding, or perforation, and in the setting of severe cardiac, hepatic, or renal failure. The medicine must not be used during the last trimester of pregnancy (from 30 weeks gestation) or for peri-operative pain following Coronary Artery Bypass Graft (CABG) surgery.

Population and Conditional Restrictions

Age/Condition Regulatory Status
Children/Adolescents Not suitable or not recommended due to the prolonged-release strength and lack of established data.
Elderly Patients Use requires caution; the lowest effective dose should be considered, especially for frail patients.
Mild Organ Impairment Use requires caution and close monitoring in patients with mild to moderate renal or hepatic impairment.
Pregnancy (20–30 weeks) Use must be limited and only if clearly necessary.

Eligibility is generally established for adults (18 years and older) who do not possess any of the specified contraindications or limiting conditions.

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What should I know about interactions with other medicines?

Inflamac retard (Diclofenac sodium) has officially documented interaction profiles, resulting in specific regulatory restrictions and monitoring requirements when used with other products. Formal contraindications strictly prohibit its use in the third trimester of pregnancy and for the treatment of peri-operative pain associated with coronary artery bypass graft (CABG) surgery. Due to the risk of additive adverse effects, co-administration with other systemic Nonsteroidal Anti-inflammatory Drugs (NSAIDs), including COX-2 selective inhibitors, must be avoided.

Several interactions affect systemic drug concentrations. Co-administration is officially documented to increase the blood concentrations of Lithium and the serum concentration and half-life of Digoxin, requiring regulatory attention. Serious interactions have also been reported when the product is used with high-dose Methotrexate.

Other interactions relate to pharmacodynamic risk. Using Inflamac retard alongside Anticoagulants (such as Warfarin), Systemic Corticosteroids, or SSRIs/SNRIs significantly raises the officially documented risk of serious gastrointestinal bleeding. Furthermore, the product may diminish the intended effects of medicines used for blood pressure control, including ACE Inhibitors, ARBs, and Diuretics. Regulatory documents specify that this latter interaction carries a heightened risk of renal function deterioration when these combinations are used in the elderly or those with existing renal impairment. Finally, the regulatory labeling explicitly classifies the consumption of Alcohol during use as unsafe.

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Mechanism of Action

Inhibition of the Prostaglandin Synthesis Pathway

The mechanism of Inflamac retard's active ingredient, Diclofenac, involves its function as a reversible inhibitor of Cyclooxygenase (COX) enzymes, particularly the inducible COX-2 isoform. This interaction occurs at the enzyme's active site, blocking its ability to convert arachidonic acid into prostaglandin precursors. The resulting decrease in prostaglandin concentration initiates the downstream modulation of several physiological processes.

This molecular block reduces the chemical signaling that drives both peripheral nociceptor sensitization and local vascular permeability associated with inflammatory responses. The reduction in central prostaglandins in the hypothalamus results in the modulation of the body's thermoregulatory set-point.

Mechanism for Sustained Local Target Engagement

The prolonged-release formulation confers a specialized mechanistic profile, maintaining a sustained concentration of Diclofenac within tissue reservoirs like the synovial fluid. This sustained presence at the primary site of pathology maintains continuous COX-2 inhibition, thereby modulating activity within the targeted pathways over an extended duration.

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Dosage and Administration Information

How to Use Inflamac retard

Inflamac retard, a prolonged-release (retard) tablet formulation of Diclofenac sodium, is administered according to standardized clinical principles. Its specialized design dictates its usage patterns, focusing on standardized dosing and adherence to administrative constraints.


Official Administration Guidelines

Usage Aspect Guideline
Route & Form Administered orally as an extended-release tablet.
Standard Dosing The typical adult dose is 100 mg once daily. The total maximum daily dose of diclofenac should generally not exceed 150 mg across all forms.
Frequency Taken once daily.
Intake Timing May be administered with or after food. Intake may be timed for the evening to address morning symptoms.
Administration Method The tablet must be swallowed whole with liquid and must not be crushed, broken, or chewed.

Use Protocol and Duration Principles

The fundamental principle for the use of this medicine is to employ the lowest effective dosage for the shortest duration necessary to achieve the desired effect. This measure guides the overall treatment protocol.

Population-Specific Guidance: For older adults, instructions require using the lowest effective dosage for the shortest possible duration, reflecting a cautious approach. The prolonged-release form is not recommended for the pediatric population. For patients with mild to moderate renal impairment, no specific dose adjustment is typically required.

These instructions collectively establish the required procedural steps and boundaries for using the prolonged-release Diclofenac formulation.

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Recent Clinical Evidence

Research Evidence / Overview of Studies for Inflamac Retard

Evidence for Use in Osteoarthritis (OA)

Research exploring the use of this medication in conditions marked by functional limitations, such as osteoarthritis, primarily relies on short-term Randomized Controlled Trials (RCTs). These studies were designed to assess the patterns of symptoms measured during the study period. Studies generally focused on measuring outcomes related to physical discomfort, including patient-reported pain intensity, joint stiffness, and outcomes reflecting daily functioning or activity level in adults with confirmed OA. Studies monitored patient experiences over defined time intervals. Research provides insight into short-term changes observed in patients experiencing phases of heightened symptom activity.

Evidence for Use in Rheumatoid Arthritis (RA)

The medication was evaluated in controlled studies which explored patient-reported experiences related to joint pain and swelling. The research was observed in adult populations diagnosed with RA, often alongside patients receiving standard treatments. Studies monitored outcomes linked to inflammatory or irritative states and changes in global disease activity. A key limitation is that evidence quality varies across studies, and research indicates a primary focus on symptomatic changes. The research does not determine whether an individual will respond similarly, and data for certain subgroups remain insufficient for specific disease stages.

What Remains Uncertain or Under-Researched

Existing research provides context but also highlights several areas where data are still emerging or where certainty remains low. A significant gap is the lack of robust, consistent evidence demonstrating the drug’s potential to alter the structural progression of chronic conditions like OA or RA. Long-term effects are not fully established, especially concerning the durability of any observed changes in symptoms over many years of continuous use. Findings were mixed regarding the long-term impact on radiographic changes in conditions like ankylosing spondylitis, indicating that the research is ongoing. Comparative evidence is lacking in some areas, and follow-up durations were limited in many pivotal trials.

Key Studies & References Osteoarthritis in over 16s: diagnosis and management (NICE guideline NG226)

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Frequently Asked Questions (FAQ)

Common questions about Inflamac retard (FAQ)


Q: Can I take this medication if I am pregnant or breastfeeding?

Official product information contains a section detailing the use of this medicine during pregnancy and breastfeeding. This section outlines known risks, available human or animal data, and specific warnings. It is important to review the official product information and discuss your specific health needs with a qualified healthcare professional.


Q: Does this medicine contain a high amount of sodium, potassium, or sugar?

The ingredients of the medicine are listed in the official product documents, including inactive ingredients (excipients). If specific substances like sodium, potassium, or sugar derivatives are present in amounts that may be relevant to certain diets or conditions, this detail will be explicitly noted in the document.


Q: What should I do if I forget to take a dose?

Instructions for missed doses are clearly addressed in the approved patient labeling for Inflamac retard. This guidance provides specific directions, such as whether to take the dose as soon as you remember, skip it, or adjust your schedule. The patient information leaflet provides guidance, and you may also discuss the specific recommended action with a healthcare provider.


Q: Can I drink alcohol while taking this medicine?

Official regulatory warnings address the consumption of alcohol while using this medication. The product information will state if there is a known interaction, or if alcohol should be avoided entirely due to the potential for increased side effects or reduced effectiveness. Review the patient information leaflet for specific guidance regarding alcohol consumption.


Q: Does this medicine make you sleepy or affect my ability to drive?

Regulatory documents list potential side effects affecting the central nervous system, such as somnolence (sleepiness) or dizziness. The official product information also includes explicit warnings regarding the medicine’s potential to impair your ability to drive or safely operate machinery. Patients are advised to review the patient information leaflet if they experience these effects.


Q: Can children 2 years old use this medicine?

The official labeling specifies the approved population for the use of this medicine, including any minimum age or weight restrictions. If the age of 2 years falls outside of the established use, the documentation will state the age group for which the medicine's safety and effectiveness have been confirmed.


Q: Can I take this for migraines?

The official labeling lists the specific medical conditions or diseases for which Inflamac retard has been formally approved, known as therapeutic indications. The medicine is approved only for the conditions explicitly stated in this section of the regulatory document. Information on use for conditions not listed, like migraines, is not included in the official approval.

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How should Inflamac retard be stored and disposed of?

How to Store and Dispose of Inflamac Retard: Official Requirements

The storage and disposal instructions for Inflamac Retard are defined by regulatory documents to maintain the medicine's quality and ensure public safety.


Storage Conditions

  • Temperature: The product must be stored below 30°C.
  • Protection: The medicine must be protected from moisture and kept in the original blister pack to maintain stability.
  • Child Safety: Inflamac Retard must be kept out of the sight and reach of children.

Disposal Instructions

  • Restriction: The medicine must not be disposed of via wastewater or household waste.
  • Procedure: Unused or expired product should be disposed of in accordance with local regulatory requirements, typically through a pharmacy take-back program.

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

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