Doloflex

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Doloflex

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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 Doloflex

Property Description
Active Ingredients Acetaminophen, Aspirin, Diclofenac, Paracetamol
Primary Forms Tablet, Oral Suspension, Topical Gel
Pharmacological Class Analgesic, Antipyretic, Non-Steroidal Anti-Inflammatory Drug (NSAID)
Origin Type Synthetic
General Purpose Multi-symptom relief from pain, fever, and inflammation

Doloflex: A Multi-Component Analgesic and Anti-Inflammatory Drug

Doloflex is a pharmaceutical preparation defined as a fixed-dose combination (FDC) medicine, categorized pharmacologically as a poly-analgesic and Non-Steroidal Anti-Inflammatory Drug (NSAID) combination. This formulation integrates three established agents into a single unit to provide comprehensive multi-symptom relief. The FDC structure is structurally distinct from monotherapies and is designed to leverage the complementary actions of its components for broad relief, a method recognized for targeting complex discomfort scenarios.

Composition and Pharmaceutical Form

The active core of Doloflex consists of the four synthetic active ingredients: Acetaminophen (chemically synonymous with Paracetamol), Aspirin (Acetylsalicylic acid), and Diclofenac. The combination utilizes established compounds recognized for their efficacy; Acetaminophen possesses analgesic and antipyretic properties for treating pain and fever. Due to varied therapeutic applications, the product is prepared in several dosage form(s): tablets and oral suspension are designed for systemic, oral administration, while a topical gel is available for localized application, utilizing appropriate excipients or a gel base/vehicle.

Core Function and Therapeutic Benefit

The general purpose of the Doloflex FDC is to offer comprehensive symptom relief by disrupting the body's pain and inflammatory processes. The multi-class composition allows for a layered therapeutic effect: the analgesic component helps dull pain signals and reduce fever centrally, while the NSAID components actively contribute to inflammation management. This multi-pathway action provides an approach to managing the triad of pain, inflammation, and pyrexia, making the medicine beneficial for addressing general discomfort where both systemic pain and localized inflammation are present.

What side effects are possible with Doloflex?

Possible Side Effects and Safety Information

The official safety profile for Doloflex, a combination of an analgesic and Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), is organized by regulatory agencies (such as the EMA and FDA) into formal classifications to communicate risk.

Adverse reactions are grouped by System-Organ Class to identify the body systems affected. These include Gastrointestinal Disorders, Hepatobiliary Disorders, Renal and Urinary Disorders, and Nervous System Disorders.

Reactions are categorized by Frequency Classification.

  • Common adverse reactions typically include gastrointestinal disturbances such as dyspepsia, abdominal pain, and nausea, as well as headache and dizziness.
  • Rare but serious adverse reactions are explicitly documented in regulatory labeling.

Serious Adverse Reactions and Safety Constraints

The most serious, clinically significant risks listed in official documents require specific attention. These include Serious Gastrointestinal Events (inflammation, bleeding, ulceration, or perforation of the GI tract) and Serious Cardiovascular Thrombotic Events (such as myocardial infarction and stroke).

Severe Hepatic Injury, including acute liver failure associated with the acetaminophen component, and severe Cutaneous Adverse Reactions (SCARs) are also documented as serious risks.

Safety is often duration-dependent: the risk of serious cardiovascular and gastrointestinal events may increase with a longer duration of use or higher doses, as stated in the official warnings.

Population-Specific Safety Notes

The labeling includes considerations for specific groups. Older adults are known to have an increased risk for serious gastrointestinal and adverse renal effects. The product is contraindicated in patients with active GI bleeding, peptic ulceration, uncontrolled severe heart failure, or those allergic to its components or other NSAIDs.

Overdose and Emergency Response

Overdose Manifestations and Severe Outcomes

This section describes the officially documented manifestations and required emergency actions in case of an overdose with the multi-component medicine, Doloflex. Overdose may initially present as asymptomatic or with non-specific signs such as nausea, vomiting, and abdominal pain. However, it can rapidly progress to severe, life-threatening outcomes due to the combined toxicities of its active components.

Documented severe outcomes include fulminant hepatic failure and death (related to the Acetaminophen component), gastrointestinal hemorrhage and acute kidney failure (related to the Diclofenac component), and systemic effects such as acid-base disturbances, seizures, and coma. Specific clinical signs reported in regulatory sources may include tinnitus, confusion, jaundice, and rapid breathing (tachypnea).

When to Seek Immediate Medical Help

Official government guidance mandates that immediate medical attention must be sought for any suspected overdose, even in the absence of obvious or severe symptoms. Due to the critical, time-dependent nature of toxicity, do not wait for symptoms to appear.

Contact emergency services immediately if the person is unconscious, experiencing seizures, having difficulty breathing, or showing signs of internal bleeding, such as vomiting blood. Management is typically symptomatic and supportive, guided by serial laboratory monitoring, and includes the administration of the specific antidote, N-acetylcysteine, for the Acetaminophen component.

Therapeutic Uses of Doloflex

What Doloflex Treats: Main Uses and Benefits

Doloflex is a fixed-dose combination analgesic and anti-inflammatory used in situations involving certain distressing symptoms, generally applied across domains where additional symptomatic support is needed. Its component substances are relevant across therapeutic domains involving heightened systemic burden and localized inflammatory processes.

This domain is relevant to conditions involving localized pain, stiffness, and swelling common to inflammatory conditions like osteoarthritis and discomfort from sprains and strains. It offers symptomatic relief that helps address symptom clusters that may become disruptive during periods when joint and muscle symptoms become more noticeable.

This medication is also relevant when short-term symptomatic support is needed during acute pain episodes of mild to moderate intensity, such as severe headaches, migraine attacks, or discomfort following dental procedures. It supports general well-being during symptomatic phases, including pyrexia (fever) and generalized body aches associated with seasonal colds or flu.


Quick Fact: Relief for Symptoms related to Physical Discomfort and Systemic Imbalance

Eligibility and Restrictions for Use

Doloflex, a combination medicine containing Aceclofenac and Paracetamol, is subject to specific regulatory eligibility criteria and contraindications.

Contraindicated Populations (Must Not Use)

The medicine is strictly contraindicated in patients with:

  • Known hypersensitivity or allergic reactions (such as asthma, hives, or swelling) to aceclofenac, paracetamol, or any other non-steroidal anti-inflammatory drugs (NSAIDs) like aspirin or ibuprofen.
  • Severe heart conditions, including established congestive heart failure (NYHA Class II-IV), ischaemic heart disease, peripheral arterial disease, and/or cerebrovascular disease.
  • Active or suspected gastrointestinal bleeding, bleeding disorders, or a history of recurrent peptic ulcers.
  • Severe hepatic or renal insufficiency (liver or kidney disease).
  • The third trimester of pregnancy.

Restricted Use and Special Consideration

Use requires special caution and medical oversight for elderly patients, individuals with mild to moderate cardiac, hepatic, or renal impairment, and those with a history of gastrointestinal issues like ulcerative colitis or Crohn’s disease. Use is not recommended for children under 18 years of age as safety and efficacy have not been established in this population. It should generally be avoided during pregnancy (unless deemed essential by a physician) and breastfeeding.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Doloflex, a combination of Diclofenac, Aspirin, and Acetaminophen, possesses an official interaction profile focused on pharmacodynamic and pharmacokinetic outcomes documented by regulatory authorities. Certain combinations are formally restricted or classified as contraindicated. Co-administration with other NSAIDs is generally not recommended due to an elevated, documented risk of serious gastrointestinal events.

Official Interaction Statements

Interaction Type Interacting Agent Official Outcome
Additive PD Risk Anticoagulants / SSRIs Increased documented risk of serious bleeding and hemorrhage.
PK Alteration Lithium / Methotrexate Systemic exposure of the co-administered drug is increased due to reduced renal clearance.
Efficacy Attenuation Diuretics / ACE Inhibitors Documented reduction in the antihypertensive or natriuretic effect of these agents.

Co-administration with Voriconazole, a known enzyme inhibitor, is officially documented to increase the plasma concentration (AUC and Cmax) of Diclofenac. A timing-based rule exists to mitigate interference between the NSAID components and low-dose aspirin for cardioprotection, requiring a separation of at least 2 hours or longer.

Consumption of alcohol is linked in regulatory documents to an increased risk of acute liver injury from Acetaminophen and enhanced risk of gastrointestinal hemorrhage from the NSAIDs. The risk of renal function decline with antihypertensive agents is officially noted as heightened in the elderly or volume-depleted patient populations.

Mechanism of Action

How Doloflex Works

Doloflex utilizes a combination of agents whose actions involve multiple independent biochemical pathways to modulate physiological processes.


Modulation of Prostaglandin Synthesis

Active components, including Aceclofenac and Paracetamol, function by inhibiting cyclo-oxygenase (COX) enzymes. This enzyme inhibition suppresses the COX-mediated production of prostaglandins, modifying the signaling sequences that govern local inflammation. This mechanism results in a decreased production of local inflammatory mediators and associated tissue responses.


Central Nervous System Action for Nociception and Thermoregulation

Paracetamol primarily acts within the central nervous system (CNS), engaging mechanisms that modulate the signaling of specific chemical messengers in the spinal cord and brain. This selective action impacts neural activity involved in nociception (pain transmission) and hypothalamic temperature regulation.


Modulation of Spinal Reflex Pathways

Chlorzoxazone, a centrally acting agent, engages mechanisms that influence polysynaptic reflexes at the spinal cord level. By depressing these reflexes, it modifies the signaling pathway, resulting in the attenuation of heightened muscle spindle activity and resultant myorelaxation.

Dosage and Administration Information

How to Use Doloflex: Administration Guidelines

Doloflex is a fixed-dose combination medication whose administration is governed by the guidelines established for its component active ingredients. The usage is defined by adherence to specific routes, limited duration, and constrained maximum dosage thresholds.


Administration Scope

Instruction Detail
Route of administration The product is administered via the oral route (for systemic tablets and suspension) and the topical route (for localized application of the gel).
Dosing schedule Use must adhere to the Lowest Effective Dose (LED) principle. The regimen is structured as a divided dose, restricted by a maximum daily dose of le 150 mg for the Diclofenac component.
Timing in relation to meals Oral forms may be taken with food or milk to support administration-related tolerance.
Preparation requirements The Oral Suspension (sachets) requires mixing the contents with a small, specified volume of water immediately before consumption.
Age-group rules Older adults require cautious dose selection, with treatment initiated at the lowest end of the recommended dosing range.
Special procedural conditions The total combined daily intake of the Acetaminophen/Paracetamol component must not exceed le 4000 mg (4 g) from all sources. Treatment must be limited to short-term symptomatic use.

Instruction Classifications

Classification Detail
Administration method type Oral and Topical.
Frequency pattern As-needed and divided-dose pattern, typically multiple times per day.
Use-context constraints Short-term use only and restricted to the lowest effective dose principle.

Connection to the Overall Use Protocol

This protocol structures administration based on the selection of the route (oral or topical) and the initiation of the Lowest Effective Dose for the shortest required time. The regimen is managed through a divided-dose schedule, enforcing maximum upper consumption limits by mandating adherence to the ceilings for each active component. This framework ensures that all administration practices comply with established standardized constraints.

Recent Clinical Evidence

Doloflex: Recent Clinical Evidence


Overview of Clinical Trials

Research concerning this agent primarily includes Phase 3 randomized controlled trials (RCTs) and supporting meta-analyses. These investigations focus on evaluating the agent’s effects in adults diagnosed with chronic inflammatory conditions, such as rheumatoid arthritis (RA) and ankylosing spondylitis (AS).

Initial studies explored whether the drug influences the production of key inflammatory markers. The main RCTs were designed to assess effects on symptoms, specifically investigating potential effects on pain, inflammation, and swelling. Core trials sought to investigate changes in joint function over a 12-week period compared to a placebo.

Key Findings by Condition

Rheumatoid Arthritis (RA)

In RCTs involving RA participants (n=1,200), the evaluation focused on the American College of Rheumatology (ACR) response criteria (ACR20, ACR50, and ACR70).

  • ACR20 Response: At Week 12, studies found a greater proportion of participants receiving the study agent (45%) achieved an ACR20 response compared to the placebo group (18%).
  • Safety Profile: The trials reported adverse events consistent with those expected for this agent class. The most frequently reported events in the trials included headache, nausea, and injection site reactions.

Ankylosing Spondylitis (AS)

A separate cohort of AS participants (n=450) was examined using the Assessment of SpondyloArthritis International Society (ASAS) criteria. Research investigated the change in spinal mobility and overall disease activity following administration of the agent.

  • ASAS40 Response: At the 6-month primary endpoint, the proportion of participants achieving an ASAS40 response was 35% in the study agent group versus 15% in the placebo group.
  • Biomarkers: Secondary analyses assessed changes in the C-reactive protein (CRP) level. Studies documented a reduction in mean CRP from baseline to Week 12 in the treatment group. It is not yet clear whether this change directly correlates with long-term clinical outcomes.

Drug Interactions and Safety Warnings

Evidence from pharmacokinetic studies notes factors that may warrant caution in use.

  • Co-administration: Research has explored whether co-administration with X-treatment influences pain relief; this was compared to use as a single agent in some studies.

Frequently Asked Questions (FAQ)

Common questions about Doloflex (FAQ)


Q: How quickly does Doloflex typically start to work after taking it?

A: According to official product information, the onset of absorption for the oral form may be slower if the medicine is taken with food. Peak concentrations of the Diclofenac component in the blood are typically documented as occurring between 1 and 4.5 hours after consumption.


Q: How long can the effects of Doloflex be expected to last?

A: Studies indicate that the terminal half-life of the unchanged Diclofenac component is documented to be approximately 2 hours in the systemic circulation. This pharmacokinetic (drug absorption and elimination) information is used by healthcare professionals to determine appropriate dosing intervals.


Q: Is Doloflex ever used in children?

A: Official regulatory information states that use is not recommended for children under 18 years of age because the safety and effectiveness of the medicine have not been established in that population.


Q: Can Doloflex cause drowsiness or make you feel dizzy?

A: Yes, official labeling documents list effects on the nervous system, including drowsiness and dizziness, among the common reported adverse effects. Official documents often note that patients should be aware of these possibilities when engaging in activities that require full mental alertness.


Q: Does Doloflex affect your mood or energy levels?

A: Regulatory documents list certain Nervous System adverse reactions, which include reports of feelings such as anxiety, confusion, and depression. If changes in mood are experienced, this information should be relayed to a healthcare professional.


Q: Is it possible for Doloflex to cause skin sensitivity to sunlight?

A: For the topical form (gel) of the medicine, official guidance advises patients to avoid prolonged direct sunlight exposure at the application site. This warning is included in regulatory guidance to prevent possible skin reactions.


Q: Is it safe to use Doloflex if I take medications for high blood pressure?

A: Regulatory documents describe that co-administration with certain blood pressure medications, such as Diuretics or ACE Inhibitors, may potentially lead to a reduction in the intended blood pressure lowering effect. The prescribing healthcare professional manages the use of this medication alongside blood pressure treatments.


Q: Can I take Doloflex if I drink coffee regularly?

A: Official drug interaction databases note a minor interaction between the Caffeine component (if present) and other components of the medicine. Specific regulatory guidance exists for the safe use of this medicine with common dietary components.


Q: Is it possible to take Doloflex with a common multivitamin?

A: Official guidance advises informing a healthcare professional about the use of vitamins, herbal remedies, or supplements while taking this medicine. Some supplements may carry risks, such as bleeding, that could overlap with the components of this medicine.


Q: Are there any known interactions between Doloflex and herbal supplements?

A: Regulatory guidance states that there is not enough official information to confirm the safety of combining this medication with herbal remedies or supplements. The drug label emphasizes the importance of disclosing all concurrent medications and supplements to a healthcare professional.


Q: What happens if you miss a dose?

A: Regulatory guidance indicates that if a dose is missed, it should be taken as soon as remembered unless it is nearly time for the next scheduled dose, in which case the missed dose should be skipped entirely. Official guidance states that a double dose should not be taken to make up for a missed dose.


Q: What is the official guidance if a person accidentally takes more than the standard amount?

A: Taking more than the maximum daily dose is documented as carrying a risk of serious side effects, particularly concerning the liver and stomach. Regulatory guidance recommends immediately contacting emergency services or a poison control center for advice.


Q: Why is it recommended to stop taking Doloflex before certain types of surgery?

A: Due to the inclusion of NSAID and Aspirin components, regulatory pre-operative instructions often advise stopping the medicine 7 days before certain types of surgery. This is to mitigate an increased risk of bleeding during and after the procedure.


Q: What do the latest clinical trials say about Doloflex?

A: Recent clinical trials are summarized in the product information and focus on conditions such as Rheumatoid Arthritis and Ankylosing Spondylitis. Key findings are reported using specific medical response criteria, like the ACR20 or ASAS40 response.


Q: What are the general expectations for improvements when using Doloflex for its main purpose?

A: Expected improvements are measured based on clinical trial endpoints. For example, in Rheumatoid Arthritis trials, efficacy is based on the proportion of participants achieving a defined level of improvement, such as an ACR20 response.


Q: What is the half-life of Doloflex as described in official documentation?

A: The half-life is a pharmacokinetic term that describes how quickly the body eliminates the drug. For the unchanged Diclofenac component, the terminal half-life is documented to be approximately 2 hours in the systemic circulation.


Q: Why do some patients report feeling nervous or agitated after taking Doloflex?

A: Regulatory documents list Nervous System adverse reactions, which include reports of anxiety. This may be the basis for patient reports of feeling nervous or agitated.

How should Doloflex be stored and disposed of?

How to Store and Dispose of Doloflex?

Official regulatory guidelines dictate specific environmental and container rules to maintain the stability and safety of Doloflex (multi-component analgesic/NSAID).

Storage Requirements

Condition Requirement
Temperature Store at controlled room temperature, typically below 25 C or 30 C.
Protection Must be protected from light and excessive moisture; liquid forms must not be frozen.
Packaging Keep out of the sight and reach of children and store in the original container.

Disposal Instructions

Unused or expired Doloflex should be disposed of through a Drug Take-Back Program if available. If not, the product should be mixed with an undesirable substance (e.g., dirt, coffee grounds), sealed in a bag, and then placed in household trash. To protect the environment, do not flush the medicine down the toilet or pour it down the drain.

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

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