Aracenac

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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 Aracenac

What is Aracenac?

Aracenac is a pharmacological treatment belonging to the class of medications known as non-steroidal anti-inflammatory drugs (NSAIDs). It is primarily utilized for its analgesic and anti-inflammatory properties to manage conditions characterized by acute or chronic pain and inflammation.

Mechanism of Action

The active therapeutic process of Aracenac involves the inhibition of cyclooxygenase (COX) enzymes. These enzymes are responsible for the production of prostaglandins, which are lipid compounds in the body that act as mediators for pain, fever, and inflammatory responses. By reducing the synthesis of these compounds, Aracenac helps to mitigate swelling and alleviate discomfort associated with various musculoskeletal and joint disorders.

Primary Uses

Aracenac is commonly indicated for the symptomatic management of several inflammatory conditions, including:

  • Osteoarthritis: A degenerative joint disease characterized by the breakdown of cartilage.
  • Rheumatoid Arthritis: An autoimmune disorder that causes chronic inflammation of the joints.
  • Ankylosing Spondylitis: A type of arthritis that primarily affects the spine, leading to stiffness and pain.

In addition to these chronic conditions, it may be used for the short-term relief of pain resulting from injuries, such as strains, sprains, or other localized inflammatory processes.

Characteristics

As an NSAID, Aracenac is designed to provide systemic relief. It is formulated to be absorbed into the bloodstream to target inflammatory mediators throughout the body. While it is effective in managing symptoms like stiffness and loss of mobility, it does not cure the underlying cause of chronic inflammatory diseases but rather assists in maintaining functional capacity and quality of life for the patient.

What side effects are possible with Aracenac?

Possible side effects and safety information

The safety profile of Aracenac (Aceclofenac) is established by regulatory authorities based on its classification as a Non-Steroidal Anti-Inflammatory Drug (NSAID). Adverse reactions are systematically categorized by frequency and the body system affected, reflecting data documented in official governmental labeling.

Frequency and System-Organ Classification

The majority of reported adverse reactions are generally mild and transient, primarily affecting the gastrointestinal tract and nervous system.

Classification Examples of Reactions (SOC)
Common (ge 1/100 to <1/10) Dyspepsia, abdominal pain, nausea, dizziness, elevated liver enzymes (Gastrointestinal, Nervous System, Hepatobiliary)
Uncommon (ge 1/1,000 to <1/100) Flatulence, gastritis, rash, pruritus (Gastrointestinal, Skin and Subcutaneous Tissue)
Rare (ge 1/10,000 to <1/1,000) Gastrointestinal haemorrhage, ulceration, anaphylactic reaction, anaemia (Gastrointestinal, Immune System, Blood and Lymphatic System)

Serious Adverse Reaction Patterns

Official labeling documents risks associated with the entire NSAID class, which include potentially serious adverse reactions. These rare but clinically significant events include gastrointestinal bleeding or perforation, and an increased risk of serious cardiovascular thrombotic events such as myocardial infarction (MI) and stroke. The risk for these serious events may increase with the dose used and the duration of exposure. Rare, severe blistering skin reactions, such as Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), are also documented.

Population-Specific Safety Constraints

Regulatory documents emphasize that older adults are generally at a higher risk for adverse reactions, especially serious gastrointestinal complications. The medicine is contraindicated in severe hepatic or renal failure and during the third trimester of pregnancy due to the risk of fetal harm. Caution is advised for patients with a history of hypertension or cardiac failure, as fluid retention and oedema have been reported.

Overdose and Emergency Response

The official regulatory documents for Aceclofenac define the overdose profile through documented manifestations and the significant risk of severe organ toxicity. Manifestations commonly listed in official labeling include gastrointestinal symptoms such as nausea, vomiting, abdominal pain, and dyspepsia. Central Nervous System (CNS) effects, including dizziness, headache, and somnolence, are also described in overdose contexts.

A critical risk highlighted in official documents is the potential for severe, life-threatening complications. These include acute renal failure, hepatic failure, and serious gastrointestinal haemorrhage or ulceration. These risks are notably greater for the elderly and those with pre-existing organ impairment.

Regulatory authorities mandate that immediate medical attention must be sought for any symptoms suggestive of serious systemic events associated with the NSAID class, such as sudden weakness, trouble breathing, or chest pain. No specific antidote is known; therefore, the required management protocol focuses on symptomatic and supportive treatment. This may include procedural steps like gastric lavage or activated charcoal, alongside mandatory hospital monitoring of renal and hepatic function, as dictated by official prescribing information.

Therapeutic Uses of Aracenac

What Aracenac Treats: Main Uses and Benefits

The core therapeutic domain of Aracenac (Aceclofenac) is applied across domains where additional symptomatic support is needed for symptoms related to inflammatory or irritative states. As a Non-Steroidal Anti-Inflammatory Drug (NSAID), the medicine plays a role in managing symptoms that create noticeable physiological strain, particularly those associated with chronic joint conditions.

The medicine is utilized to help with symptoms related to physical discomfort and inflammatory processes in conditions presenting with systemic or localized discomfort, specifically: osteoarthritis, rheumatoid arthritis, and ankylosing spondylitis. It is considered relevant for easing symptoms related to physical discomfort and systemic imbalance in these conditions.

Aracenac may assist with addressing symptom clusters that become intense or disruptive during flare-ups. It may be part of symptomatic management that helps ease the overall symptom load and contributes to easing distress during periods of heightened symptoms. Supporting the patient during difficult episodes, it contributes to supportive relief when symptoms interfere with routine activities. It may help patients cope more steadily with symptom fluctuations.


Quick Fact: Support for Joint Discomfort

Eligibility and Restrictions for Use

Who Can and Cannot Use Aracenac?

Eligibility for Aracenac (Aceclofenac) is determined by official regulatory bodies, primarily restricting use based on age, physiological status, and underlying medical conditions. This information is derived from government-approved labeling.

Who Must Not Use Aracenac (Contraindications)

The medicine is contraindicated (must not be used) if a patient has:

  • A known allergy or hypersensitivity to Aceclofenac, Aspirin, or any other NSAID that has caused asthma, rhinitis, or urticaria.
  • Severe heart failure (NYHA Class II-IV), established ischemic heart disease, or cerebrovascular disease.
  • Active or recurrent peptic ulcer/haemorrhage or a history of gastrointestinal bleeding related to previous NSAID use.
  • Severe hepatic failure or severe renal failure.
  • Pregnancy in the third trimester.

Populations Requiring Conditional Use

Population/Condition Eligibility Status Official Requirement
Adults (General) Allowed Standard use for approved indications.
Children/Adolescents (<18) Not Recommended Use is not recommended due to insufficient clinical data.
Elderly Patients Conditional Permitted, but requires caution and close monitoring for adverse reactions.
Mild to Moderate Impairment Conditional Requires surveillance (e.g., in mild hepatic or renal function impairment).
Pregnancy/Lactation Not Recommended Use is generally not recommended; avoid if planning to conceive or breastfeeding.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Regulatory documents classify certain combinations with Aracenac (Aceclofenac) as prohibited due to interaction risk. The co-administration of Aracenac with other NSAIDs (including COX-2 selective inhibitors) and Aspirin at analgesic doses is officially contraindicated. This restriction is based on the increased regulatory risk of adverse effects, particularly gastrointestinal bleeding.

The interaction profile is primarily defined by two mechanisms: pharmacodynamic risk reinforcement and renal clearance modification.

Documented Pharmacokinetic Outcomes

Co-administration with Lithium or Digoxin can result in reduced renal clearance of these substances, leading to increased plasma concentrations and potential toxicity. Similarly, Methotrexate's plasma levels may be increased due to the inhibition of its renal clearance, requiring caution if doses are administered within 24 hours of each other.

Pharmacodynamic Risk and Restrictions

Concomitant use with Anti-coagulants (such as Warfarin), Systemic Corticosteroids, Anti-platelet agents, or SSRIs may result in an enhanced pharmacodynamic risk of gastrointestinal bleeding. Aracenac may reduce the effectiveness of Anti-hypertensives and Diuretics, and co-use with Diuretics, ACE-Inhibitors, or ARBs carries a heightened risk of acute renal failure in elderly or volume-depleted patients. Furthermore, NSAIDs must be avoided for 8–12 days following Mifepristone administration due to the potential reduction of Mifepristone’s efficacy.

Mechanism of Action

Cyclooxygenase-2 (COX-2) Preferential Inhibition

Aracenac's primary pharmacodynamic mechanism involves the selective suppression of the Cyclooxygenase-2 ( COX-2) enzyme. COX-2 is an inducible enzyme, and its activity is a key regulatory step in the arachidonic acid cascade, responsible for the synthesis of pro-inflammatory prostaglandins. By limiting the function of COX-2, the drug restricts the formation of these local mediators, initiating a cascade that contributes to a reduction in the output of pro-inflammatory mediators.


Modulating Inflammatory Mediator Signaling

Beyond its COX-2 action, the drug influences the signaling of several inflammatory cytokines, including interleukin-1 (IL-1beta ) and tumor necrosis factor-alpha ( TNFalpha ). The suppression of the activity or production of these key signaling proteins modifies the cellular signal transduction cascade. This engagement with mediator pathways alters the localized concentration of specific inflammatory proteins, influencing the overall cellular environment.


Influence on Connective Tissue Pathway Regulation

The mechanism extends to affecting the downstream activity of IL-1beta on certain catabolic enzymes. This targeted adjustment influences the enzyme-mediated regulation of connective tissue components within the joint, maintaining a purely biochemical level of modulation.

Dosage and Administration Information

How to Use Aracenac: Official Administration Guidelines

The usage of Aracenac (Aceclofenac) is governed by specific instructions outlined in official regulatory documents, which define the standardized approach to its administration and dosing.


Dosing and Administration Route

Aracenac is administered via the oral route, with the standard total daily dose for adults being 200 mg. This amount is typically divided and prescribed as two separate 100 mg film-coated tablets taken throughout the day. Official labels mandate that the total dose must not exceed 200 mg within a 24-hour period.

The film-coated tablets must be swallowed whole with an adequate amount of liquid and should not be crushed or chewed. The administration is recommended to occur with or immediately following food or a meal. If a dose is missed, regulatory instructions advise the patient to skip the forgotten dose and take the next dose at the scheduled time, strictly forbidding the ingestion of a double dose to compensate.


Procedural Principles and Special Populations

All regulatory authorities emphasize that the medicine must be used at the lowest effective dose for the shortest possible duration necessary to manage symptoms. This overarching principle is central to the prescribed course of use.

For specific populations, official instructions outline mandatory adjustments: a reduced initial daily dose of 100 mg is required for patients with known hepatic (liver) impairment. For older adults and patients with mild renal impairment, no dose modification is typically required based on pharmacokinetics, but its use is not recommended in children due to insufficient data supporting safety and efficacy in the pediatric population.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Aracenac

This overview describes the research landscape for Aceclofenac, focusing on the types of clinical studies that have been conducted and the outcomes researchers measured, without providing medical advice or recommendations.

Evidence for Use in Osteoarthritis and Rheumatoid Arthritis

Clinical evaluation primarily involved short-to-intermediate-term Randomized Controlled Trials (RCTs) in adults with Osteoarthritis (OA) and active Rheumatoid Arthritis (RA). Studies measured patient-reported outcomes, including pain intensity and daily functioning (for OA), and changes in inflammatory markers (for RA). Findings describe symptom patterns observed over periods of 4 to 12 weeks, with some studies reporting changes that aligned with those tracked for other anti-inflammatory comparator treatments. Research indicates an understanding of short-term symptom changes, but long-term effects are not fully established.

Evidence for Use in Ankylosing Spondylitis and Acute Pain

Aceclofenac was also studied for Ankylosing Spondylitis, examining outcomes related to measurements of spinal mobility and axial pain intensity. For Acute Pain and Inflammation, research explored short-term changes, such as time-to-onset of reported pain relief. While some findings indicate patterns of symptomatic changes, comparative evidence is lacking in certain acute pain models, and the certainty remains low regarding outcomes across all single-dose acute pain scenarios.

Follow-Up Duration and Research Limitations

The core evidence comes from trials with limited follow-up durations, mostly covering periods up to six months. Data for certain groups remain insufficient; for instance, controlled research is limited in children or pregnancy-related populations. Furthermore, many trials were designed to assess whether Aceclofenac was non-inferior to other existing anti-inflammatory medicines; therefore, research focused solely on comparison to a neutral substance (placebo) is limited for some indications. The evidence base includes documented research limitations, and research highlights what is known—and what is still uncertain.

Key Studies & References

  1. A Review of Aceclofenac: Analgesic and Anti-Inflammatory Effects on Musculoskeletal Disorders (Review covering OA, RA, AS and comparative studies)
  2. IPAR HEALTH PRODUCTS REGULATORY AUTHORITY - Aceclofenac Public Assessment Report (Regulatory data on efficacy/safety for RA, OA, AS, and patient populations)
  3. Aceclofenac 100 mg film-coated tablets UK/H/3717/001/DC - Public Assessment Report (Includes data on paediatric/elderly use and long-term data limitations)

Frequently Asked Questions (FAQ)

Common questions about Aracenac (FAQ)


Q: What is the core difference between Aracenac and other similar medicines described in official summaries?

According to the official product information, Aracenac (Aceclofenac) is a Non-Steroidal Anti-Inflammatory Drug (NSAID) that is related to Diclofenac. Its mechanism is described as the preferential suppression of the Cyclooxygenase-2 ( COX-2) enzyme. This action is documented as contributing to its anti-inflammatory effects.


Q: Can Aracenac be used as a standalone treatment?

Regulatory documents describe Aracenac as a single-ingredient product. It is officially indicated for the symptomatic relief of specific conditions, such as Osteoarthritis, Rheumatoid Arthritis, and Ankylosing Spondylitis.


Q: What kind of safety classification is Aracenac given by regulatory bodies?

Aracenac is classified as a Non-Steroidal Anti-Inflammatory Drug (NSAID). Like all medicines in this class, it is issued warnings about potentially serious events. These warnings highlight the risk of cardiovascular thrombotic events (like heart attack or stroke) and gastrointestinal bleeding.


Q: What are the official signs of an allergic reaction to Aracenac?

Official regulatory labeling documents the possibility of hypersensitivity or anaphylaxis, which are severe allergic reactions. Signs that have been documented include a rash, pruritus (itching), difficulty breathing, or swelling of the face or throat.


Q: Which organs does Aracenac primarily affect, as described in pharmacology documents?

Based on safety information and warnings, the drug primarily affects the gastrointestinal tract, where there is a risk of bleeding and ulceration. Official documents also caution that use requires special consideration for the liver and kidneys in patients with pre-existing impairment.


Q: Are there any specific foods or drinks mentioned in the guidelines that should be avoided with Aracenac?

Official administration guidelines state the tablet should be taken with or immediately following food. While specific foods are generally not restricted in the labeling, caution regarding alcohol use is generally included in standard NSAID safety information due to an increased risk of stomach irritation and bleeding.


Q: How long does it usually take for patients to feel the described effects of Aracenac?

Pharmacokinetic studies indicate that following an oral dose, the concentration reaches its peak in the bloodstream in approximately 1 to 3 hours. Clinical trials conducted for acute pain have measured the time-to-onset of reported pain relief.


Q: Do the official documents indicate that the efficacy of Aracenac lessens over time?

The core evidence for this medicine comes from short- to intermediate-term trials, typically up to six months. Official documents indicate that long-term effects are not fully established. As a general principle, the official guidelines emphasize use for the shortest possible duration.


Q: Are there any restrictions on activities, such as driving or operating machinery, while taking Aracenac?

Because Aracenac may cause side effects such as dizziness or drowsiness, official warnings caution patients to be careful. Official warnings advise against driving or operating machinery if these central nervous system effects are experienced.


Q: Why is Aracenac sometimes referred to with a high-risk safety classification?

The medicine carries mandatory warnings detailing the rare but serious risks associated with the entire NSAID class. These risks include the potential for cardiovascular thrombotic events (like heart attack and stroke) and severe gastrointestinal bleeding or perforation, which elevate the safety profile.


Q: What does the term 'contraindication' mean in the context of Aracenac?

A contraindication is a specific condition or circumstance where regulatory authorities strictly dictate that the medicine must not be used. This is because the risk of harm to the patient is considered to outweigh any potential therapeutic benefit in that situation.


Q: Is the onset of action of Aracenac considered rapid or delayed?

According to official pharmacokinetic studies, Aceclofenac is considered to be rapidly absorbed after oral administration. Its concentration typically reaches its peak in the bloodstream within 1 to 3 hours.


Q: What is the typical monitoring process described for patients using Aracenac long-term?

Official regulatory documents describe regular monitoring for individuals receiving long-term treatment. This typically involves tests for renal function, liver function, and blood counts due to the drug’s potential impact on these systems.


Q: Is headache a common side effect of Aracenac?

Yes, headache is explicitly listed in the official regulatory documents as a common side effect. Common side effects are generally those that may affect between 1 in 100 and 1 in 10 people.


Q: Does official information state that Aracenac can cause fatigue or affect energy levels?

The official documents list drowsiness as a possible side effect related to the central nervous system. This effect may cause a feeling of reduced energy or alertness.


Q: What information is available regarding the interaction between Aracenac and alcohol?

Aracenac, like all NSAIDs, has a documented risk of serious gastrointestinal side effects, including bleeding. Because consuming alcohol can increase this risk, caution regarding alcohol use is generally included in standard NSAID safety information.


Q: How does Aracenac interact with over-the-counter supplements like multivitamins?

Official patient information indicates that users should inform their healthcare provider about all medicines, vitamins, and herbal supplements they are taking. NSAIDs can interact with various substances, which may alter the effect of either product or potentially cause side effects.


Q: What is the expected duration of action for one dose of Aracenac?

The elimination half-life of Aceclofenac is approximately 4 to 4.3 hours. The half-life is the measure used to estimate the time required for the body to reduce the drug's concentration in the plasma by half.


Q: How long does the primary compound of Aracenac typically stay in the body's system?

The drug is eliminated from the plasma with a half-life of approximately 4 to 4.3 hours. This means it takes about four to five half-lives for the medicine to be almost entirely cleared. Approximately two-thirds of the administered dose is excreted via the urine.


Q: Where can I find the complete official regulatory documentation for Aracenac?

The complete official documentation, such as the Summary of Product Characteristics (SmPC) or the full drug label, is publicly available. These documents can be found on the websites of government regulatory authorities, including the EMA, FDA, and MHRA public databases.


Q: Is Aracenac available under a generic name?

Yes, the active ingredient in Aracenac is Aceclofenac. This compound is commonly available as a generic medicine.


Q: Is Aracenac classified as a controlled substance?

No, Aceclofenac is not listed as a controlled substance by the US Drug Enforcement Administration (DEA Schedule: None) or equivalent government bodies.


Q: What is the difference between the parent drug Aracenac and its metabolites?

The parent drug, Aceclofenac, is metabolized, or chemically transformed, primarily in the liver. This process creates breakdown products called metabolites, with Diclofenac being documented as one of the active metabolites.


Q: What clarification is provided for users who misunderstand how Aracenac is metabolized?

Official pharmacokinetic studies clarify that Aracenac is primarily metabolized in the liver. Most of the administered dose is then eliminated via the urine, largely in the form of these metabolites.


Q: What are the primary reasons a doctor might prescribe Aracenac over an alternative?

Regulatory documents describe Aracenac as a preferential COX-2 inhibitor. Compared to some other, non-selective NSAIDs, this profile has been associated with a lower incidence of certain gastrointestinal side effects in clinical studies.


Q: How does Aracenac affect lab test results?

A commonly reported adverse reaction is an elevation in liver enzymes (hepatic transaminases). For patients receiving long-term treatment, official warnings highlight the importance of regular monitoring of renal function tests, liver function tests, and blood counts.

How should Aracenac be stored and disposed of?

How to Store and Dispose of Aracenac

The storage of Aracenac (Aceclofenac) must adhere strictly to the conditions defined in official regulatory documents to maintain its quality and efficacy over its 3- to 4-year shelf life.

Official Storage Conditions

Requirement Official Statement
Temperature Store below 30 C or 25 C (ambient temperature).
Protection Keep protected from both light and moisture.
Container Store in the original package; keep tightly closed (if applicable).
Child Safety Mandatory to keep out of the reach and sight of children.

Disposal Instructions

Unused or expired Aracenac must not be disposed of using household waste or wastewater (down the sink or toilet). Disposal must be done in accordance with local pharmaceutical requirements, typically by returning the medicine to a pharmacist or approved take-back program.

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

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