Adolor Extra

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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 Adolor Extra

Property Description
Active ingredient Acetaminophen (Paracetamol) and Caffeine (1,3,7-Trimethylxanthine)
Form Tablet (Oral dosage form)
Pharmacological class Non-opioid analgesic, Antipyretic, and Central Nervous System Stimulant
Common use General pain relief and fever reduction (Symptomatic management)
Origin Synthetic, Non-narcotic

Adolor Extra: Defining its Identity and Pharmacological Class

Adolor Extra is defined as a poly-ingredient drug, a fixed-dose combination product for oral use, typically manufactured as a tablet. It falls under the general pharmacological class of a non-opioid analgesic and antipyretic agent that is formulated with a Central Nervous System stimulant. This combination structure is clinically recognized for its use in managing general symptoms of discomfort, distinguishing it from single-substance analgesics. The non-narcotic product is designed for convenient oral dosage form delivery, suitable for general symptomatic management.

Composition and the Synergistic Effect of its Active Ingredients

The active ingredients in the medicine are the synthetic compounds Acetaminophen (Paracetamol) and Caffeine. Acetaminophen is a well-established para-aminophenol derivative that provides the core pain and fever-reducing effects. The key differentiating factor is the inclusion of Caffeine, which functions as a stimulant that provides a synergistic effect with the primary pain reliever. The addition of caffeine to analgesics is intended to provide an increase in the proportion of individuals who experience a good level of pain relief. This means the formulation is supported by pharmacological studies for providing enhanced analgesic efficacy compared to its single-ingredient counterparts.

General Purpose: What Adolor Extra Aims to Relieve

The general therapeutic uses of Adolor Extra are centered on the symptomatic management of general pain relief and associated fever reduction. Caffeine is used in this product to enhance the analgesic effect of Acetaminophen. This strategic structure confirms the dual purpose: the analgesic component handles the symptom, while the stimulant component optimizes the therapeutic response. The core purpose of this fixed-dose combination is to serve as an effective option for the short-term, general management of discomfort.

What side effects are possible with Adolor Extra?

Possible Side Effects and Safety Information

The official safety profile for the Acetaminophen/Caffeine combination is structured around the potential risks associated with each active component, as classified in regulatory documents.

Frequency and System Classification

Adverse reactions are formally grouped by the body system affected and their reported frequency. Common effects, related primarily to the central nervous system stimulant, include insomnia, nervousness, irritability, and restlessness. Gastrointestinal disturbances, such as nausea and vomiting, are also frequently listed. Effects are officially categorized under System-Organ Classes such as Nervous System Disorders, Gastrointestinal Disorders, and Cardiac Disorders (e.g., palpitations).

Serious Adverse Reactions

The most significant safety concern, as documented by regulatory agencies, is the risk of acute liver failure (hepatotoxicity) associated with the acetaminophen component, particularly in cases of excessive intake. Rare but serious reactions explicitly listed in labeling include severe hypersensitivity events, such as life-threatening anaphylaxis, and severe cutaneous adverse reactions like Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN).

Population and Usage Constraints

Official safety statements note cautions for use in specific populations, including individuals with pre-existing hepatic impairment or those with a history of chronic alcohol consumption, due to the increased risk of liver damage. The critical regulatory safety constraint is the explicit warning against taking this medicine simultaneously with any other product containing acetaminophen to prevent inadvertent dose exceeding the maximum limit.

Overdose and Emergency Response

Documented Overdose Manifestations

Overdose manifestations are primarily defined by the effects of the acetaminophen and caffeine components, as documented in regulatory labeling. Initial signs may include general malaise, nausea, vomiting, and diaphoresis. Due to the risk of delayed hepatotoxicity from the acetaminophen component, clinical and laboratory evidence of severe liver injury may not be apparent until 48 to 72 hours post-ingestion. The caffeine component can also contribute severe symptoms, including cardiac stimulation (tachycardia), tremor, irritability, and seizure. Rare but documented severe outcomes associated with the components include acute liver failure (ALF), which can be fatal, and potentially fatal skin reactions such as Stevens-Johnson Syndrome (SJS).

Emergency Actions and Management

The official regulatory guidance requires that patients seek immediate medical attention upon ingestion exceeding the threshold of 4000 milligrams of acetaminophen per day, even if the patient appears asymptomatic. Furthermore, immediate medical care must be sought if signs of severe allergy or anaphylaxis occur. Overdose management is structured around the immediate administration of the antidote N-acetylcysteine (NAC), which is indicated to prevent or mitigate hepatic injury. Hospital monitoring is required, particularly for patients with underlying liver disease or concurrent alcohol ingestion, due to the increased risk of severe outcomes.

Therapeutic Uses of Adolor Extra

What Adolor Extra Treats: Main Uses and Benefits

Adolor Extra is generally applied in contexts where short-term symptomatic assistance is needed for pain and fever. This combination is considered relevant for conditions involving episodic or fluctuating manifestations that may temporarily interfere with daily stability. The inclusion of caffeine is commonly used to help with the pain-relieving effects of the primary analgesic. The product is commonly used for the short-term, general management of discomfort.

This medicine is commonly used to help with symptom clusters that may become intense or disruptive, including acute headache, episodic migraine attacks, general body aches, muscular pain, toothache, and fever associated with colds and influenza. It supports the role of the medication in managing these symptoms.

“The medicine is considered relevant for easing symptoms that interfere with daily comfort, and it supports patients during difficult episodes by easing distress.”

Quick Fact: Symptomatic Relief

Category Typical Symptoms Managed Primary Therapeutic Benefit
Pain Domains Headaches, Muscular Pain, Dysmenorrhea Supports easing the overall symptom load
Systemic Symptoms Fever, Body Aches, Sore Throat (Cold/Flu) Contributes to improved comfort and stability

Regulatory References

  1. NIH NCBI Bookshelf overview on combination analgesics

Eligibility and Restrictions for Use

Official Eligibility and Contraindications

Adolor Extra is authorized for use only within population groups defined by official government regulatory labeling. The medicine is contraindicated (must not be used) in patients with a known hypersensitivity or allergic reaction to Acetaminophen (Paracetamol), Caffeine, or any excipient. A critical and absolute prohibition is the concurrent use of any other medicine containing Acetaminophen, due to the high risk of liver toxicity.

Age and Organ Function Restrictions

The product is not recommended for children under 12 years of age. Use is approved for adults and adolescents aged 16 years and over, while the dosage is restricted for the 12 to 15-year-old group. The medicine is contraindicated in patients with severe hepatic (liver) impairment or severe renal (kidney) impairment. Patients with less severe organ impairment, chronic alcoholism, or who are malnourished require specific caution and professional assessment.

Special Population Limitations

Use is generally not recommended for women who are pregnant or breastfeeding due to the presence of the Caffeine component. The regulatory label also mandates special caution for individuals with pre-existing conditions sensitive to stimulants, such as uncontrolled severe hypertension or a history of severe heart disorders.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Adolor Extra contains paracetamol and caffeine. Interactions are predominantly related to the paracetamol component's metabolism and the combined stimulant effect of caffeine.

Contraindicated and High-Risk Combinations

  • Paracetamol-Containing Products: This medicine must not be taken with any other product containing paracetamol to prevent exceeding the maximum dose, which carries a risk of severe liver damage and failure.

Pharmacokinetic Interactions (Paracetamol)

The absorption and metabolism of paracetamol can be affected by certain drugs:

  • Increased Absorption: Medicines that speed up gastric emptying, such as metoclopramide and domperidone, may increase the rate at which paracetamol is absorbed.
  • Decreased Absorption: Cholestyramine reduces paracetamol absorption if administered within one hour of this product.
  • Enzyme Inducers: Concomitant use with liver enzyme-inducing agents, including antiepileptics (phenytoin, phenobarbitone, carbamazepine, primidone) and rifampicin or St John’s Wort, may increase the potential for paracetamol-related toxicity, especially in overdose.

Clinically Significant Interactions

  • Anticoagulants (e.g., Warfarin): Prolonged, daily use of the paracetamol component may enhance the effect of coumarin anticoagulants, increasing the risk of bleeding. Occasional use is typically acceptable, but close monitoring of International Normalized Ratio (INR) is advised for chronic use.
  • Flucloxacillin: Co-administration may increase the risk of high anion gap metabolic acidosis (HAGMA), particularly in patients with pre-existing risk factors such as sepsis, malnutrition, or severe renal impairment, due to depletion of glutathione reserves.

Caffeine-Related Considerations

  • Caffeine-Containing Products: The caffeine content of this product is additive. Users should limit intake of other caffeine sources (coffee, tea, soft drinks) to avoid excessive stimulation, which may lead to nervousness, insomnia, or palpitations.

Mechanism of Action

Adolor Extra comprises two distinct pharmacological agents with activity across both the central nervous system (CNS) and periphery. The primary constituent, a non-steroidal anti-inflammatory drug (NSAID), functions as a non-selective inhibitor of the cyclooxygenase (COX) enzymes, specifically COX-1 and COX-2. This competitive inhibition prevents the conversion of arachidonic acid to downstream prostanoids, including prostaglandin E2 ( PGE2). The resultant decrease in PGE2 synthesis modulates localized nociceptor sensitization. The second agent is a central analgesic whose mechanism involves multiple targets. It acts as a weak inhibitor of PGE2 synthesis, primarily in the CNS. Furthermore, its activity includes the potentiation of descending inhibitory serotonergic pathways. A metabolite, AM404, may also contribute by functioning as an agonist at the transient receptor potential vanilloid-1 (TRPV1) receptor and modulating the endocannabinoid system. The systemic physiological consequence is a reduction in central thermoregulatory set-point and attenuation of nociceptive signaling transmission at both spinal and supraspinal levels.

Dosage and Administration Information

Adolor Extra is formulated for oral administration as a fixed-dose tablet or caplet, with each unit containing 500 mg of Acetaminophen and 65 mg of Caffeine. The use of this product is defined by guidelines concerning dosage, frequency, and duration.

The standard single dose for adults and children 12 years and over is two tablets, which delivers 1,000 mg of Acetaminophen and 130 mg of Caffeine. This dose may be repeated every six hours as needed for symptomatic management, though standard instructions specify that the dose should not be repeated more frequently than every four hours.

Instruction Classification Official Use Pattern
Administration Route Oral (Tablet/Caplet)
Frequency Pattern As-needed (p.r.n.), Every 4 to 6 hours
Daily Maximum Do not exceed 8 tablets in a 24-hour period

General labeling indicates that the product is intended for short-term use only; typically, it should not be taken for more than 10 consecutive days for pain or 3 days for fever unless usage is extended by a healthcare professional. A critical administration constraint is the requirement to limit concurrent consumption of caffeine from foods and beverages, and it is stated that this product must not be taken with any other medication containing Acetaminophen (Paracetamol). This overall protocol ensures standardized intake within recognized parameters.

Recent Clinical Evidence

Research evidence / Overview of studies for Adolor Extra

Evidence for Use in Acute Pain and Primary Headaches

Clinical evidence for the Acetaminophen/Caffeine combination is built upon Randomized Controlled Trials (RCTs) and comprehensive systematic reviews that focus on the assessment of short-term pain patterns. This research was primarily used in a context exploring outcomes related to physical discomfort. Studies examined adults experiencing various models of mild to moderate acute pain, including those resulting from procedures like postoperative dental pain and postpartum pain, as well as episodic tension-type headaches or migraines.

Researchers designed these studies to assess the proportion of individuals who reached a predefined threshold of patient-reported perceived discomfort over limited timeframes, typically 4 to 6 hours post-dose. Outcomes examined included the attainment of a pain-free state or a significant headache response at specific time points.


Antipyretic Role and Study Gaps

The evidence exploring the combination’s role in outcomes related to systemic or functional imbalance associated with fever is documented, though it primarily stems from the regulatory and clinical profile of the Acetaminophen core ingredient alone. Official regulatory documents describe an established pattern of measurable body temperature change that was observed after the administration of the core active ingredient.

A transparent review of the clinical research highlights several areas where certainty remains low. The current data are focused on single-dose study design, meaning long-term effects are not fully established for sustained use. Evidence is limited in specialized populations, and comparative evidence is lacking for certain specific pain types.

Key Studies & References

  1. Combination Analgesics. In: StatPearls [Internet] (Comprehensive Overview)
  2. Acetaminophen, aspirin, and caffeine in the treatment of tension-type headache (Clinical Study)
  3. Acetaminophen (Paracetamol) Drug Monograph: Properties, Indications, and Pharmacology

Frequently Asked Questions (FAQ)

Common questions about Adolor Extra (FAQ)

Q: Can I take Ibuprofen if I am pregnant?

Regulatory documents state that ibuprofen is contraindicated (should not be used) during the third trimester of pregnancy. This is due to known risks of harm to the fetus. If you are in the first six months of pregnancy, consultation with a healthcare professional is recommended before using this medicine.

Q: Is Tylenol PM (acetaminophen/diphenhydramine) safe for long-term use?

The sleep-aid component in this product (diphenhydramine) is generally labeled for the temporary relief of occasional sleeplessness. Official information advises against continuous long-term use. If sleeplessness continues for more than two weeks, consultation with a doctor is appropriate to investigate the cause.

Q: Can I use Benadryl (diphenhydramine) every night to help me sleep?

Official labeling indicates that the ingredient diphenhydramine should be used for occasional sleeplessness and should not be used for more than two weeks without medical guidance. If you feel reliant on medicine to help you sleep, a conversation with a healthcare provider is recommended to ensure underlying health issues can be discussed.

Q: Will antibiotics help me get over a common cold?

Antibiotics are medicines specifically designed to fight infections caused by bacteria. Since the common cold is typically caused by a virus, antibiotics are not effective for treating it. Using antibiotics when not needed can contribute to the public health issue of antibiotic resistance.

Q: Should I take an Aspirin every day to prevent a heart attack?

Official over-the-counter (OTC) labels for aspirin do not include directions for taking it daily to prevent a heart attack or stroke. This type of use requires specific medical consideration based on an individual's risk factors. Consultation with a healthcare professional is necessary to determine if daily low-dose aspirin is appropriate for your personal health situation.

How should Adolor Extra be stored and disposed of?

Official Storage and Handling Requirements

Regulatory documentation mandates specific conditions for storing Adolor Extra (Acetaminophen/Caffeine) tablets. The medicine must be kept at controlled room temperature, typically between 20 C and 25 C (68 F and 77 F), to maintain its stability and effectiveness until the expiry date. The product must be stored in its original container, which must be kept closed tightly to protect the contents from moisture and away from excessive heat.

Child-Safety and Disposal

It is an explicit regulatory requirement that Adolor Extra be kept out of the sight and reach of children at all times. When the tablets are expired or unused, the official instruction is to dispose of the product according to local regulations. The preferred method for disposal is using a drug take-back location or program. If no take-back option is available, the medicine can be mixed with an undesirable substance (like coffee grounds) and placed in a sealed bag before being put in the household trash, ensuring no personal information is legible on the packaging.

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

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