Renox-A

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Renox-A

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Renox-A

What is Renox-A? (Foundational Definition)

Property Description
Active Ingredients Acetaminophen, Lornoxicam
Form Oral Tablet
Pharmacological Class Non-opioid Analgesic and NSAID Combination
Common Use Pain relief and inflammation reduction
Origin Synthetic Compound

Renox-A is a synthetic pharmaceutical product formulated as an oral tablet and classified as a Fixed-Dose Combination (FDC) product. This preparation belongs to the high-level pharmacological class of non-opioid analgesics, antipyretics, and Non-Steroidal Anti-Inflammatory Drug (NSAID) combinations. The primary purpose of this multi-ingredient drug is to provide comprehensive support in pain management and the mitigation of inflammation and fever, rather than relying on a single mechanism of action.


Active Ingredients and Composition (The Dual-Action Components)

The two active ingredients in Renox-A are Acetaminophen (Paracetamol) and Lornoxicam. Acetaminophen, a Para-aminophenol derivative, is widely recognized for its central analgesic and fever-reducing properties. Conversely, Lornoxicam is an Oxicam derivative belonging to the NSAID class, a chemically diverse group of medications that share the common therapeutic effect of alleviating inflammation, pain, and fever. NSAIDs like Lornoxicam work by controlling the body’s inflammatory responses. The distinct dual composition of Renox-A is a differentiating factor compared to many single-ingredient formulations, which often target only one of these two pain and inflammation pathways.


General Purpose and Benefit of the Combination

The inherent value of Renox-A is derived from its dual-action capability, achieved by combining ingredients that target different biological pathways. The combination is engineered to simultaneously address pain perception (via Acetaminophen’s central influence) and mitigate the underlying causes, such as local inflammation and elevated body temperature (fever). This dual pharmacological approach serves the general purpose of offering enhanced, multi-modal relief. A typical use scenario involves the need for simultaneous control over both physical discomfort and the body's inflammatory response, which is a core benefit of combining the two different classes of active agents.

Regulatory References

  1. WHO Essential Medicines List (Acetaminophen)

What side effects are possible with Renox-A?

Possible Side Effects and Safety Information

Renox-A, a combination medication, is associated with a safety profile primarily centered on the gastrointestinal and hepatobiliary systems, consistent with its active components.

Common Adverse Reactions

The most frequently reported side effects are categorized as common and generally affect the digestive system, including nausea, vomiting, indigestion (dyspepsia), stomach pain, and diarrhea.

Serious and Clinically Significant Risks

Serious adverse reactions, though considered rare, have been officially documented and require immediate attention. These include gastrointestinal bleeding, signs of which may manifest as black or bloody stools, and potentially fatal liver damage, especially when exceeding the recommended dose. Severe allergic reactions (e.g., swelling, rash, or difficulty breathing) are also possible.

Safety Restrictions and Monitoring

The medication is contraindicated in individuals with a known hypersensitivity to the components, active or recurrent peptic ulcer disease, gastrointestinal bleeding, severe liver failure, severe kidney failure, or severe heart failure. Use is not advised during pregnancy or breastfeeding, and the product is generally not recommended for use in children and adolescents below 18 years of age.

Patients must avoid alcohol consumption while taking this medication due to an increased risk of severe drowsiness and liver toxicity. Caution is advised regarding tasks requiring concentration, such as driving or operating machinery, if symptoms like dizziness or drowsiness occur. The potential for increased bleeding necessitates caution prior to any surgery or dental procedure. Due to the risk of side effects, long-term use is generally discouraged.

Overdose and Emergency Response

Overdose and when to seek help

Overdose of Renox-A is classified as severe due to the potential for life-threatening outcomes associated with its components. The primary risk stems from the Acetaminophen component, which can lead to severe hepatic failure and death. Initial overdose presentations are often non-specific, including nausea, vomiting, abdominal pain, and general malaise; critical signs of liver damage may be delayed by 24 to 48 hours or more.

Physiological systems affected, as stated in regulatory documents, include the Hepatic System (liver necrosis) and the Renal System (potential for kidney function changes) due to the NSAID component. Overdose situations are considered high-risk for individuals with pre-existing liver disease or chronic alcohol use, which may increase the likelihood of acute liver failure.

Emergency response statements mandate that immediate medical attention must be sought for any suspected ingestion of an excess quantity, even if the patient is asymptomatic or appears well. Regulators require contacting emergency services or a Poison Control Center immediately. The Acetaminophen component has a documented antidote, Acetylcysteine, which must be administered promptly for maximal protection. Management procedures include serial monitoring of hepatic and renal function and may involve supportive treatment such as activated charcoal or gastric lavage, as determined by medical professionals.

This profile defines the overdose scenario by focusing on the critical risk of delayed, severe organ injury and mandates urgent professional care as the primary required action.

Therapeutic Uses of Renox-A

What Renox-A Treats: Main Uses and Benefits

The primary therapeutic role of Renox-A is to provide additional symptomatic support in managing symptoms related to physical discomfort and mitigating the inflammatory or irritative states associated with various conditions. This combination is generally considered relevant when supportive symptom management is appropriate and where single-agent treatment may not provide sufficient relief.

Renox-A is applied across therapeutic domains where short-term symptomatic assistance is needed to ease the overall symptom load.

The medication is commonly used to manage symptomatic discomfort in conditions characterized by periods of heightened symptoms, including Osteoarthritis, Rheumatoid Arthritis, Ankylosing Spondylitis, sciatica, severe dental pain, and postoperative pain.

“Renox-A may assist with managing symptoms that interfere with daily comfort by providing supportive relief when symptoms become more disruptive during flare-ups.”

The combination is helpful in situations where multiple symptoms occur together, addressing the symptomatic triad of pain, inflammation, and elevated body temperature (fever). This approach supports the patient during difficult episodes by easing distress and is applied in contexts involving heightened systemic burden.


Quick Fact: Relief for Acute and Chronic Pain Exacerbations The dual formulation is commonly used across conditions presenting with acute episodes or recurrent/episodic manifestations that require management of intense discomfort and associated inflammation.

Eligibility and Restrictions for Use

Who Can and Cannot Use Renox-A? — Official Regulatory Information

Eligibility for Renox-A (Acetaminophen/Lornoxicam) is strictly defined by regulatory documents, focusing on patient health status and age.

Eligibility Status by Population

Category Eligibility Statement (Regulatory Basis)
Populations Allowed Adults (18 years of age and older) for short-term, acute conditions.
Contraindicated Populations Individuals with severe hepatic failure, severe renal failure, active peptic ulceration, gastrointestinal hemorrhage, or severe heart failure are prohibited from use.
Age-Related Restrictions The product is not recommended for children and adolescents under 18 years of age. Use is contraindicated during the third trimester of pregnancy.

Conditions for Use

Patients must not use Renox-A if they are simultaneously taking any other product containing Acetaminophen. Use requires regulatory caution and monitoring in individuals with mild-to-moderate renal or hepatic impairment and those with a history of hypersensitivity to NSAIDs. The safety profile is not established for long-term chronic use.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Renox-A, a fixed-dose combination of Acetaminophen and Lornoxicam, documents several mandatory constraints on co-administration.

Co-administration is formally restricted with any other medicine containing acetaminophen (prescription or nonprescription) to avoid the documented risk of severe hepatotoxicity. Similarly, co-administration with other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), including COX-2 selective inhibitors, is restricted due to the potential for additive gastrointestinal risk. The regulatory profile classifies these as contraindicated combinations.


Interactions Affecting Exposure and Function:

Interacting Substance or Class Official Interaction Pattern
**Anticoagulants/Antiplatelets** Increased documented risk of hemorrhage due to a pharmacodynamic interaction.
**Antihypertensives** (Diuretics, ACE/ARBs) Reduced official efficacy of these agents; increased risk of renal impairment.
**Lithium, Methotrexate** Increased adverse effects and systemic exposure due to reduced clearance.
**Alcohol** (Chronic ge 3 drinks/day) Documented increased potential for severe liver damage.

Metabolic interactions involving the CYP2C9 enzyme pathway for Lornoxicam and CYP2E1 inducers for Acetaminophen are documented as factors that can alter systemic exposure. Additionally, caution is noted in patients with mild to moderate renal impairment when combined with interacting agents that affect renal function.

Mechanism of Action

The pharmacological effect of Renox-A (Acetaminophen + Lornoxicam) is achieved through two complementary and spatially distinct mechanistic domains that modulate signaling pathways for pain and temperature.

Peripheral Inhibition of Inflammatory Mediators

This domain relates to Lornoxicam acting on the Cyclooxygenase ( COX) enzymes ( COX-1 and COX-2) in peripheral tissues. By inhibiting these enzymes, the drug suppresses the synthesis of prostaglandins ( PGE2), which modulate pain receptor sensitization and vascular permeability. This action directly targets the generation of peripheral pain signals.

Central Modulation of Nociception and Thermoregulation

This domain is mediated by Acetaminophen working primarily within the Central Nervous System (CNS). It involves modulating nociceptive signal processing by indirectly affecting receptors like TRPV1 and CB1 in the spinal cord, which leads to a centrally increased threshold for nociceptive signal transmission. Separately, this component interferes with PGE2 synthesis in the hypothalamus to reset an elevated thermal set-point, resulting in the adjustment of the core body temperature. This action focuses on the transmission and central processing of the physiological signals.

Dosage and Administration Information

How to Use Renox-A

Renox-A is an oral medication with a dual component that is administered according to principles governing both the NSAID and the analgesic ingredient. The usage pattern is defined by the administration route, standardized dosing schedule, and relationship to food intake.

Administration and Dosing Protocol

The medicine is supplied as a film-coated tablet intended for oral administration. The tablet must be swallowed whole with sufficient liquid and must not be chewed, broken, or crushed.

A typical dosing pattern consists of one tablet taken twice daily as part of a short-term regimen. The total daily intake of Lornoxicam from Renox-A is limited to 16 mg or less, and the total daily intake of Acetaminophen (Paracetamol) from all sources must not exceed 4,000 mg.

Contextual Usage Principles

To optimize the absorption profile of the Lornoxicam component, the tablets should generally be taken before meals (on an empty stomach). This timing instruction is a critical part of the administration procedure. If a dose is missed, it is recommended to skip the missed dose entirely and take the next scheduled dose at the usual time; doubling the next dose to compensate is not permitted.

Population-Specific Use

Usage is generally limited to short-term symptomatic treatment. Dosage adjustments may be necessary for specific patient populations. For patients with mild to moderate renal or hepatic impairment, a dose reduction is considered, which may limit the total daily Lornoxicam dose (e.g., to 12 mg). While older adults (over 65 years) may not require an adjustment based on age alone, their overall renal and hepatic function must be assessed.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Renox-A


Evidence for Use in Acute Pain Situations

Research exploring the fixed-dose combination (FDC) of Acetaminophen and Lornoxicam focuses on contexts involving acute symptom patterns, such as those following surgical procedures or dental work. This area of study primarily utilized short-term Randomized Controlled Trials (RCTs) and systematic reviews. These studies were applied in research contexts involving fluctuating or unstable pain symptoms, where participants were typically healthy adults undergoing elective surgery.

In these trials, studies monitored outcomes related to physical discomfort. Researchers examined endpoints such as pain intensity using standardized scales and the amount of supplemental rescue pain medication consumed over short periods. The body of evidence for this indication includes a High level of consistency in study design, reflecting the use of RCTs for acute pain evaluation; however, the results apply only to the specific, generally healthy populations studied and the follow-up durations were limited.


Evidence for Use in Chronic Symptom Management

The combination was evaluated in studies for conditions characterized by fluctuating or episodic manifestations, such as Osteoarthritis (OA), Rheumatoid Arthritis (RA), and Ankylosing Spondylitis (AS). Research examined the use of the combination during periods of heightened symptom activity, using primarily comparative clinical trials and observational data.

These studies explored outcomes capturing phases of heightened symptom activity, including reported changes in pain, stiffness, and overall physical functioning over defined time intervals. For conditions like OA, studies monitored patient-reported outcomes describing perceived discomfort over periods typically extending up to three months. Evidence for RA and AS was observed in some studies that focused on evaluating symptoms during acute flare-ups. The available research contributes to the broader evidence landscape related to symptom measurement in these conditions.


Research Gaps and Areas of Uncertainty

Research highlights what is known—and what is still uncertain—about Renox-A. One consistent research limitation frame is the fact that comparative evidence is lacking for large-scale, long-term studies that directly evaluate the fixed-dose combination against other contemporary, standard-of-care combination therapies.

Furthermore, evidence quality varies across studies. While studies contribute to understanding symptom patterns, the evidence relies heavily on the established efficacy profiles of the individual components, and research on the FDC itself tends to be of limited duration, leaving long-term effects not fully established.

Key Studies & References

  1. Comparison of the Analgesic Effects of Preemptive Lornoxicam and Paracetamol after Laparoscopic Cholecystectomy
  2. Fixed-Dose Combination of NSAIDs and Spasmolytic Agents in the Treatment of Different Types of Pain—A Practical Review

Frequently Asked Questions (FAQ)

Common questions about Renox-A (FAQ)

Q: How quickly should I expect Renox-A to start working?

The time it takes for a drug to begin affecting the body is called its onset of action. For the NSAID component of Renox-A, studies have typically observed the onset of action within 30 to 60 minutes following oral administration.

Q: Can Renox-A make you feel tired or dizzy?

According to official product information, dizziness is listed as a potential adverse effect. Unusual tiredness or fatigue is also noted in some regulatory summaries. If these symptoms occur, official documents note that caution is advised regarding activities that require concentration, such as driving or operating machinery.

Q: Is it normal to feel a mild headache after taking Renox-A?

Yes, official product information lists headache as a commonly reported side effect associated with this medication. This finding is included in regulatory summaries describing adverse events.

Q: Do I need a prescription to get Renox-A?

Regulatory status for the active ingredients varies globally. However, Lornoxicam, one of the primary components, is generally classified with a prescription-only legal status in the countries where the combination drug is approved.

Q: Are there any common foods or drinks that interact with Renox-A?

Regulatory documents specify that the tablets are generally recommended to be taken before a meal to optimize the absorption of the NSAID component. Additionally, chronic or excessive alcohol consumption is a documented restriction because it is associated with a documented increased risk of liver damage and stomach irritation.

Q: Does Renox-A interact with birth control pills?

Official sources indicate that NSAIDs, like Lornoxicam, may increase the risk of elevated potassium levels when used alongside certain types of oral contraceptives. The acetaminophen component may also cause an increase in the concentration of the estrogen component of some birth control pills.

Q: Has Renox-A been fully approved by the FDA?

Regulatory documents for this fixed-dose combination are primarily issued by authorities outside of the US, such as the European Medicines Agency (EMA). This is because Lornoxicam, one of the active components, is not widely approved by the US FDA as a stand-alone drug.

Q: Can Renox-A affect my blood pressure?

Official regulatory summaries list alterations in blood pressure as reported side effects. This means that both high blood pressure (hypertension) and low blood pressure (hypotension) have been documented in association with the drug.

Q: How long does Renox-A stay in your system?

The duration a drug remains in the system is described by its half-life. For the NSAID component (Lornoxicam), the mean elimination half-life is approximately 3 to 4 hours.

Q: Do I need to get blood tests while taking Renox-A?

Official warnings indicate that a healthcare provider may suggest periodic check-ups or blood tests while taking this medication. These tests are advised to monitor the function of organs like the liver and kidneys, as both active components can affect these systems.

Q: Why are there different versions or strengths of Renox-A?

Official product documentation shows that different strengths of the combination have been formulated. These different versions are typically formulated based on clinical trial data and regulatory requirements for various treatment needs.

Q: Does Renox-A affect my sleep schedule?

Sleeplessness or trouble sleeping (insomnia) is listed in official adverse event summaries for Renox-A. This is a recognized side effect that is included in regulatory documentation.

Q: Why is Renox-A contraindicated for people with kidney disease?

The contraindication is primarily due to the NSAID component (Lornoxicam). This class of medicine is associated with a risk of reducing kidney function, which is a factor in the contraindication for high-risk patients.

Q: Will stopping Renox-A cause withdrawal symptoms?

Regulatory materials do not specifically address withdrawal symptoms. However, regulatory materials suggest that individuals discuss with a healthcare professional before suddenly stopping the medication. This is because a healthcare professional may discuss the option of gradually reducing the dose to avoid a possible, unwanted increase in pain or inflammation.

Q: Is it better to take Renox-A in the morning or at night?

The official regimen involves a daily dose taken twice. Official documents focus on the required relationship to meals (before meals). Specific guidance on whether morning or night is preferred is a detail outside of the regulatory focus on meals, and is addressed by a healthcare professional's instructions.

How should Renox-A be stored and disposed of?

Official Storage and Disposal Requirements for Renox-A

Regulatory labeling dictates specific storage and handling requirements for Renox-A to ensure stability and safety.

Requirement Category Official Instructions
Storage Conditions Store the medicine in a clean, dry place, below 30°C. Protect the product from both light and excessive heat or moisture.
Packaging Keep the medication in its original container with the lid tightly closed to maintain product integrity.
Child Safety It is mandatory to keep Renox-A and all medications out of the sight and reach of children and pets. Safety caps should always be locked.
Disposal The official guidance for unused or expired Renox-A is to use a drug take-back program or collection point immediately. If take-back is unavailable, the product must be prepared for household trash disposal by mixing it with an undesirable substance (such as dirt) and sealing it in a container. Personal information must be removed from all packaging.

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

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