Xrel

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Xrel

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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 Xrel

What is Xrel? An Overview

Property Description
Active Ingredients Aceclofenac and Paracetamol (Acetaminophen)
Form Oral solid form (e.g., film-coated tablets)
Pharmacological Class Non-Steroidal Anti-Inflammatory Drug (NSAID) and Non-Opioid Analgesic/Antipyretic
General Purpose Concurrent management of pain, inflammation, and fever
Origin Synthetic compounds

Xrel: Identity and Pharmacological Classification

Xrel is defined as a combination medicine that synthesizes the actions of two distinct, synthetic active ingredients: Aceclofenac and Paracetamol (Acetaminophen). This product is classified within two major pharmacological groups: Aceclofenac functions as a Non-Steroidal Anti-Inflammatory Drug (NSAID), and Paracetamol acts as a Non-Opioid Analgesic and Antipyretic. The final drug is typically supplied as an oral solid form, such as a film-coated tablet, and is intended for oral administration.

Composition and Fundamental Action

The composition of Xrel features Aceclofenac, which provides the primary anti-inflammatory property by interfering with chemical mediators. The companion ingredient, Paracetamol, is crucial for its distinct antipyretic property—the ability to reduce fever—and contributes significantly to overall analgesic property. Its dual mechanism ensures the medicine addresses the body’s temperature regulation and pain sensation centrally, while simultaneously managing localized inflammation. This combination is clinically recognized for optimizing both anti-inflammatory and pain-relief outcomes in a single formulation.

General Purpose of the Dual-Action Formulation

The general purpose of the Xrel combination is the comprehensive management of discomfort associated with the simultaneous presence of pain, inflammation, and fever. It is structurally designed to act broadly against the key physiological drivers of acute discomfort. By combining two established agents, this formulation provides a more encompassing strategy than individual components, making the drug type relevant for generalized situations where discomfort is compounded by swelling or elevated body temperature.

Regulatory References

  1. Acetaminophen PubChem Data

What side effects are possible with Xrel?

Possible Side Effects and Safety Information for Xrel

Xrel (rivaroxaban) is a prescription anticoagulant medicine. Its safety profile is primarily defined by the risk of hemorrhage, which can be serious or fatal.


Key Safety Warnings and Contraindications

Regulatory authorities include a Boxed Warning for Xrel highlighting two critical risks:

  • Premature Discontinuation: Stopping Xrel without adequate substitute anticoagulation increases the risk of serious thrombotic events (blood clots).
  • Spinal/Epidural Hematoma: Patients receiving neuraxial anesthesia (epidural) or undergoing spinal puncture are at risk of developing hematomas (collections of blood) which can result in long-term or permanent paralysis. This risk is increased by certain concomitant medications or a history of specific spinal procedures.

Use of Xrel is strictly contraindicated in patients with active pathological bleeding or a history of a severe hypersensitivity reaction to the drug.


Adverse Reactions

Classification Adverse Reaction
Most Common (>5%) in Adults Bleeding (Hemorrhage)
Common (>10%) in Pediatric Patients Bleeding, cough, vomiting, gastroenteritis

Serious bleeding is the most clinically significant adverse reaction. An agent to reverse the anti-Factor Xa activity of Xrel is available to manage critical bleeding events.


Population-Specific Safety Considerations

  • Hepatic Impairment: Xrel is generally avoided in patients with moderate (Child-Pugh B) and severe (Child-Pugh C) hepatic impairment or any hepatic disease associated with coagulopathy (impaired blood clotting).
  • Renal Impairment: Dose adjustments or avoidance are required based on the degree of renal impairment (measured by creatinine clearance, CrCl), particularly for those with CrCl below 30 mL/min depending on the condition being treated.
  • Other Restrictions: Xrel is not recommended for use in patients with prosthetic heart valves or those with triple positive antiphospholipid syndrome, due to increased risks in these populations.

Overdose and Emergency Response

Overdose and when to seek help

Overdose with Xrel may initially present with non-specific symptoms such as nausea, vomiting, diaphoresis, and epigastric pain. As officially documented in regulatory profiles, the primary life-threatening outcome is hepatic necrosis and severe liver damage, associated with the Paracetamol component. Acute systemic manifestations from the Aceclofenac component include the documented risk of acute renal failure, severe hypotension, and central nervous system effects such as convulsions and drowsiness.

Immediate medical attention or contacting emergency services is required in all cases of suspected overdose, regardless of whether initial symptoms are visible. This urgency is mandated due to the potential for delayed, yet fatal, hepatotoxicity. Hospital monitoring and observation of liver function tests are required procedural steps.

The regulatory guidance describes specific management, including measuring plasma Paracetamol concentration to guide the mandated administration of the specific antidote, N-acetylcysteine. Conversely, official documents explicitly state that no specific antidote is known for the Aceclofenac component, necessitating symptomatic and supportive treatment. Increased severity risk is also documented for patients with pre-existing hepatic or renal impairment.

Therapeutic Uses of Xrel

What Xrel Treats: Main Uses and Benefits

This medication is commonly applied in clinical settings marked by increased discomfort or tension, relevant in conditions characterized by periods of heightened symptoms. This combination may be part of symptomatic management relevant in conditions involving inflammatory or irritative processes, such as Osteoarthritis, Rheumatoid arthritis, and Ankylosing spondylitis.

Xrel is used to help manage symptoms related to inflammatory or irritative states, such as localized swelling, joint stiffness, and general muscular aches, and is also applied when supportive symptom management is appropriate for acute pain and post-trauma discomfort. Furthermore, it is commonly used to help with symptoms related to systemic imbalance, including sudden changes like generalized body aches and symptoms of increased neurological or muscular activity.

“Applied across domains where additional symptomatic support is needed, this combination helps address symptom clusters that may become intense or disruptive.”

This medication contributes to easing the overall symptom load, providing supportive relief when symptoms interfere with routine activities and systemic imbalance occurs.


Quick Fact: Symptomatic Support for Inflammatory States
This formulation is relevant for easing discomfort in scenarios involving both pain and visible signs of inflammation (swelling, heat), and it is commonly used when symptoms create noticeable physiological strain associated with acute tissue events or chronic joint issues.

Eligibility and Restrictions for Use

Who can and cannot use Xrel?

This section outlines the official population eligibility and non-eligibility rules for Xrel (Aceclofenac/Paracetamol) as defined in governmental regulatory labeling. Use is primarily established for adults.

Populations Prohibited (Contraindications)

Official labeling contraindicates Xrel for patients with severe organ function impairment, specifically severe hepatic failure or severe renal impairment. It is also prohibited for those with severe heart failure (NYHA II-IV), active GI bleeding, a history of recurrent peptic ulceration/hemorrhage, or ischemic heart disease/cerebrovascular disease. Individuals with known hypersensitivity to Aceclofenac, Paracetamol, or other NSAIDs must not use this medicine.

Restricted and Non-Recommended Use

Use is contraindicated during the third trimester of pregnancy and is not recommended during the first two trimesters or while breastfeeding. Children and adolescents (pediatric population) are not recommended to use this medicine as safety and efficacy are not established. Elderly patients require caution and close monitoring. Patients with mild to moderate hepatic or renal impairment may only use Xrel with surveillance and caution.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The use of Xrel (rivaroxaban) with certain other medicines requires careful management due to the potential for two main types of interactions: those that increase the risk of bleeding and those that change the level of Xrel in the body.

Increased Bleeding Risk (Pharmacodynamic Interaction):

Combining Xrel with any medication that affects blood clotting or platelet function significantly increases the risk of bleeding. These include:

  • Other anticoagulants, such as warfarin or heparin.
  • Platelet inhibitors, such as aspirin (acetylsalicylic acid) or clopidogrel.
  • Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), such as ibuprofen or naproxen.

Changes in Xrel Levels (Pharmacokinetic Interaction):

Xrel is processed in the body by the CYP3A4 enzyme and the P-glycoprotein (P-gp) transporter. Drugs that strongly affect both of these pathways can be highly significant:

  • Strong dual inhibitors of both CYP3A4 and P-gp, such as certain antifungal drugs (e.g., ketoconazole) and HIV protease inhibitors (e.g., ritonavir), are contraindicated. These drugs dramatically increase the level of Xrel in the blood, which raises the risk of severe bleeding.
  • Strong dual inducers of both CYP3A4 and P-gp, such as rifampicin and certain epilepsy medications (e.g., phenytoin, carbamazepine), can significantly lower the level of Xrel in the blood, potentially reducing its effectiveness.

Mechanism of Action

How Xrel Works: Mechanism of Action

Xrel employs a complementary dual-site mechanistic strategy, targeting both the chemical drivers of peripheral inflammation and the central regulation of thermoregulation and nociception.


Enzyme Inhibition and Peripheral Mediator Blockade

This domain describes how Aceclofenac acts by inhibiting Cyclooxygenase-2 (COX-2), an enzyme essential for synthesizing pro-inflammatory eicosanoids, such as prostaglandins ( PGE2). By blocking this key molecular step, the drug directly reduces the abundance of mediators associated with local vascular permeability and nociceptor sensitization, thus reducing prostaglandin-mediated enhancement of inflammatory signaling.


Central Modulation of Nociception and Thermoregulation

This domain covers the action of Paracetamol primarily within the Central Nervous System (CNS). It engages mechanisms that modulate key pathways in the hypothalamus to oppose the pyrogen-induced increase in the thermoregulatory set point, which initiates peripheral heat dissipation. Simultaneously, it modulates central nociceptive processing, partly by influencing the descending pain inhibitory pathways, influencing the dynamics of pain signal transmission in the central nervous system.

Dosage and Administration Information

How to Use Xrel (Aceclofenac/Paracetamol)

This section describes the standard administration protocol for the fixed-dose combination of Aceclofenac and Paracetamol. This information is purely descriptive and does not constitute medical advice.


Administration Guidelines

The usage of Xrel is strictly confined to the oral route of administration as an oral solid form, such as a film-coated tablet.

Category Labeled Instruction Principle
Standard Adult Dosing One tablet of the fixed-dose combination taken twice daily (B.I.D.). The maximum daily dose is two tablets.
Timing Relative to Meals The tablet should be taken preferably with or after food.
Physical Administration The tablet must be swallowed whole using a sufficient quantity of liquid. It is constrained against being broken, crushed, or chewed.
Duration Principle Treatment should adhere to the principle of using the lowest effective dose for the shortest duration necessary to manage symptoms.

Population and Procedural Context

Prescribing information establishes that Xrel is intended for short-term symptomatic relief, aligning with the duration principle for its NSAID component. While dose adjustments based solely on age are not universally mandated, caution and monitoring are advised when administering the drug to older adults. For individuals with mild hepatic impairment, a dose reduction for the Aceclofenac component may be specified, such as a total daily dose limit of 100 mg. These instructions collectively define the non-variable parameters for administration, detailing the exact quantity, frequency, and method by which the medicine is intended to be used.

Recent Clinical Evidence

Research Evidence Overview

This section summarizes the structure of the clinical evaluation of Xrel (Aceclofenac + Paracetamol), detailing the types of studies that exist, the populations they examined, and the specific outcomes that researchers monitored. Studies help show what has been observed so far, but the research does not provide individual predictions.


Evidence for Use in Acute Pain and Inflammation in Osteoarthritis

Research concerning Xrel in this area has primarily involved short-term, randomized controlled trials (RCTs) and systematic reviews used in research exploring how symptoms change over time during an Osteoarthritis flare-up. Researchers examined patient-reported outcomes describing perceived discomfort and functional status, utilizing standardized measures like the WOMAC Index and pain scales to monitor physiological strain or stress.

Findings described patterns observed in the studies where the combination, when studied against aceclofenac alone, showed variation in measured outcomes related to physical discomfort and functional activity. Systematic reviews documented that outcomes were observed at earlier time points than with the NSAID monotherapy alone. However, the reported outcomes were concentrated on measurements taken over the first few days and up to two weeks of administration.


Evidence for Use in Acute Musculoskeletal Pain

Comparative studies were performed, primarily in adult patients with conditions involving periods of heightened symptoms, such as acute low back pain or post-operative pain. This research examined temporary physiological imbalance and was evaluated in settings with varying symptom burdens. Studies explored outcomes related to physical discomfort using the Visual Analogue Scale (VAS) and monitored functional mobility measures.

Findings describe patterns where the combination's measured effect was observed in some studies to be similar to or different from that of various alternative fixed-dose combinations. The available data show patterns related to very short-term symptom changes, with evaluations typically occurring within the first week of treatment.


What the Research Literature Still Describes as Uncertain

The research base is heavily focused on acute, immediate-term symptom measurements; long-term effects are not fully established. Scientific literature suggests that follow-up durations were limited, and data monitoring outcomes related to daily functioning or activity level over extended periods are currently insufficient. Furthermore, specific, large-scale studies evaluating this fixed combination in specialized populations, such as pediatric patients or those with complex comorbidities, are not prominently described in the key efficacy trial summaries.

Key Studies & References

  1. The efficacy and safety of paracetamol for pain relief: an overview of systematic reviews (used for general context on paracetamol limitations and evidence gaps)

Frequently Asked Questions (FAQ)

Common questions about Xrel (FAQ)

Q: Can I take it for migraines?

A: According to the official product information, Xrel is approved for its indicated use, such as [Insert approved indication, e.g., 'pain' or 'fever']. The regulatory documents do not specifically list migraine treatment as an approved use for this medication. For information regarding specific conditions like migraines, consulting a healthcare professional is advisable.

Q: Is it safe long-term?

A: Regulatory documents, including the official label, summarize the safety profile of Xrel based on clinical trials and post-marketing experience. These sections describe known adverse reactions, warnings, and precautions related to the use of the medicine, which reflect the available safety data. Official documents present data on safety observed during clinical studies; however, discussions about the suitability of long-term use are best addressed by a healthcare provider.

Q: Can children 2 years old use it?

A: The official product information specifies the approved age range for Xrel. This medicine is authorized for use only in children who meet the minimum age requirement, which is typically [Insert documented age limit from label, e.g., '6 years and older']. Official approval for Xrel is limited to children within a specific age range; use outside this group, such as in 2-year-olds, is not supported by the product label.

How should Xrel be stored and disposed of?

Storage and Disposal Requirements for Xrel

Xrel must be stored at controlled room temperature, typically 68 F to 77 F (20 C to 25 C). It is essential to keep the medicine in its original container, tightly closed, and away from excessive heat, moisture, and direct light. Do not store Xrel tablets in the bathroom, and do not freeze any formulation, especially the oral suspension.

For the oral suspension, discard the remainder 60 days after opening the bottle. Any crushed tablets mixed with liquid or food must be taken immediately or discarded within four hours. Always store Xrel out of the sight and reach of children.

To dispose of unused or expired Xrel, do not flush it down a toilet or pour it into a drain unless instructed to do so. Ask a healthcare professional or pharmacist about local drug take-back programs or proper disposal methods.

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

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