Adol 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 Adol extra

Property Description
Active Ingredients Acetaminophen and Caffeine
Form Oral tablet (Fixed-Dose Combination)
Pharmacological Class Non-opioid Analgesic and Antipyretic Combination
Common Use Symptomatic relief of acute, mild-to-moderate discomfort
Origin Synthetic chemical compounds

Defining Adol extra: Composition and Pharmacological Class

Adol extra is a brand name for a fixed-dose combination (FDC) medicinal product, typically supplied as an oral dosage form tablet. It is classified as a non-opioid analgesic and antipyretic combination, recognized for its dual-action formula. The two primary synthetic active ingredients are Acetaminophen (Paracetamol) and Caffeine. The primary compound, Acetaminophen, is a widely recognized essential medicine. The final preparation involves compounding these active compounds with excipients for reliable delivery via the oral route.

The Purpose of the Combination: A Dual-Action Approach

The central purpose of Adol extra’s FDC formulation is to utilize pharmacological synergy to offer enhanced symptomatic relief for acute, mild-to-moderate discomfort. While Acetaminophen is responsible for pain-signal modulation and temperature regulation, the inclusion of Caffeine acts as an adjuvant analgesic, amplifying the pain-relieving efficacy of the primary compound. The addition of caffeine is utilized to improve the effectiveness of pain relievers. Furthermore, the mild Central Nervous System (CNS) stimulant properties of Caffeine help counteract the common lethargy and sense of fatigue that can accompany discomfort, supporting mental clarity.

Form, Type, and Identity

Adol extra is identifiable as a combination preparation, intended solely for symptomatic treatment, not curative action. The product’s structure as a solid tablet ensures the controlled co-administration of both active agents. The distinction as a non-opioid, dual-action agent solidifies its role as a widely accessible therapeutic option. Its identity focuses on providing a boosted analgesic effect compared to single-ingredient acetaminophen products.

Regulatory References

  1. WHO Essential Medicines List - Paracetamol

What side effects are possible with Adol extra?

Possible side effects and safety information

The safety profile for the fixed-dose combination of Acetaminophen and Caffeine is documented by government regulatory agencies (e.g., FDA, EMA SmPC) and is organized by the frequency and physiological system affected.


Frequency-Classified Adverse Reactions

The regulatory documentation classifies adverse effects based on frequency of occurrence:

  • Common: Adverse reactions primarily related to the Central Nervous System (CNS) stimulant effects of the Caffeine component, including insomnia, nervousness, restlessness, and tremor. Gastrointestinal effects like nausea and vomiting may also be reported.
  • Very Rare: These include rare but serious events such as severe cutaneous adverse reactions (SCARs), specific blood dyscrasias (e.g., agranulocytosis), and severe systemic allergic responses like anaphylaxis.

System-Organ-Class Safety Groupings

Adverse reactions are formally grouped by the body system affected, consistent with regulatory standards. Effects are documented across Nervous System Disorders, Cardiac Disorders (e.g., palpitations), Gastrointestinal Disorders, Immune System, and Skin and Subcutaneous Tissue Disorders.


Critical Safety Considerations

The safety profile mandates attention to the risk of hepatotoxicity associated with the Acetaminophen component. Official regulatory constraints emphasize that this risk is directly linked to the total cumulative daily dose. The product is generally constrained from use in individuals with severe hepatic impairment. Furthermore, the safety profile notes that co-ingestion of high amounts of dietary caffeine can potentiate the caffeine-related adverse effects.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for an overdose of Adol extra (Acetaminophen/Caffeine) is centered on the primary and delayed risk of Acetaminophen hepatotoxicity. Immediate medical attention must be sought for any suspected overdose, even if no symptoms are present, due to the delayed onset of severe liver damage.

Overdose Scope Regulatory Statements
Documented Manifestations Initial, non-specific symptoms may include nausea, vomiting, pallor, and diaphoresis. High doses may also lead to tachycardia and CNS excitation from the caffeine component.
Serious Outcomes The critical danger is progressive hepatic necrosis, potentially leading to acute liver failure, coma, or death. Acute renal tubular necrosis is also documented.
Emergency Action Mandate Seek immediate medical advice or contact emergency services immediately. Patients should be referred to the hospital for urgent medical attention.

Management & Risk Regulatory Statements
Antidote & Monitoring The documented antidote is N-acetylcysteine (NAC), which must be administered promptly. Monitoring of plasma paracetamol concentration and hepatic enzyme levels is required in a hospital setting.
Population-Specific Notes The risk of severe toxicity is greater in individuals with chronic alcohol consumption, malnutrition, or pre-existing hepatic impairment.

The regulatory structure emphasizes that the danger of overdose persists beyond the initial symptom phase, making the prompt administration of the antidote and required hospital monitoring the essential components of official management protocols.

Therapeutic Uses of Adol extra

Adol extra is commonly used to provide symptomatic relief from acute, mild-to-moderate discomfort.

The combination of Paracetamol and Caffeine is commonly used to help manage symptoms related to physical discomfort, particularly headaches and systemic imbalance.

The medication may be part of symptomatic management for episodic discomfort, including tension headaches, acute migraine manifestations, generalized body aches, and minor pain following simple procedures. It is considered relevant in conditions marked by a clustering of symptoms often associated with viral illnesses.

“The goal is generally to provide support for symptoms that may become intense or disruptive, offering symptomatic relief that helps patients cope more steadily with difficult episodes.”

A recognized benefit is related to managing pain that is often accompanied by feelings of lethargy or drowsiness. The unique formulation supports the patient when these symptoms create noticeable functional strain, contributing to easing the overall symptom load during the acute phase.


Quick Fact: Relief for Headaches, Fever, and Aches


Regulatory References

  1. FDA Verification Portal

Eligibility and Restrictions for Use

Population Eligibility for Adol extra

Adol extra (Paracetamol/Acetaminophen and Caffeine) use is strictly governed by regulatory labeling which defines eligible age groups, medical conditions, and physiological states.

Approved Age Groups: Use is authorized for adults and adolescents aged 12 years and over. The medicine is contraindicated and must not be used in children under 12 years of age.


Absolute Contraindications Restricted Use (Use with Caution)
Known hypersensitivity to paracetamol, caffeine, or excipients. Patients with renal impairment or liver impairment (non-severe).
Concomitant use with any other paracetamol-containing product. Individuals with high blood pressure (hypertension) or irregular heart rhythms.
Severe hepatocellular insufficiency or severe active liver disease. Patients with glutathione depletion (e.g., chronic alcoholism, malnutrition).

Pregnancy and Lactation: Adol extra is not recommended for use during pregnancy or by breastfeeding individuals. This restriction is based on the specific risks and excretion of the caffeine component as stated in official labeling.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Adol extra focuses on pharmacokinetic and pharmacodynamic interactions that alter drug exposure or increase toxicity risk. Co-administration is strictly contraindicated with any other medicine containing Acetaminophen or Paracetamol to prevent unintentional overdose and subsequent liver damage.

Interactions affecting absorption rate include Metoclopramide and Domperidone, which are documented to increase the speed of Acetaminophen absorption. Conversely, Colestyramine is listed as an agent that may reduce the overall systemic absorption of Acetaminophen.

A clinically significant pharmacodynamic interaction exists with Warfarin and other Coumarins: prolonged regular daily use of this product may enhance the anticoagulant effect, resulting in a documented risk of bleeding. The combination with Lithium is not recommended, as the Caffeine component is known to increase the elimination and clearance of Lithium from the body.

Substances that affect metabolism and toxicity risk include potent enzyme inducers like Phenytoin, Carbamazepine, Rifampicin, and the herbal product St John’s Wort; these agents may induce liver enzymes, increasing the documented hazard of toxic metabolite formation from Acetaminophen. Furthermore, Ciprofloxacin can increase the concentration of Caffeine in the blood. Chronic ingestion of Alcohol is a specifically documented risk factor that increases the overall hazard of liver damage associated with this medication. Cautions regarding Flucloxacillin co-administration are also noted in patients with severe renal impairment.

Mechanism of Action

Adol extra is a combination product containing Paracetamol (Acetaminophen) and Caffeine. Paracetamol primarily exhibits its biological effects through the inhibition of cyclooxygenase (COX) enzymes, particularly in the central nervous system (CNS) and under low peroxide tone in peripheral tissues. This inhibitory interaction decreases the biosynthesis of prostaglandins (PGs), specifically PGE2, which are lipid mediators synthesized from arachidonic acid via the COX pathway. The resulting system-level modulation is a decrease in PGE2-mediated signaling.

Caffeine is a non-selective antagonist that primarily targets adenosine receptors ( A1, A2 A) in the CNS. The antagonism of these purinergic receptors reduces the inhibitory feedback on neurotransmitter release. Additionally, Caffeine modulates Paracetamol's action via pharmacodynamic synergy, potentially by inhibiting COX-2 protein synthesis in glial cells and by accelerating the absorption rate of Paracetamol from the gastrointestinal tract, leading to modified systemic Paracetamol concentrations.

Dosage and Administration Information

How to Use Adol extra

Adol extra is a fixed-dose combination product containing Acetaminophen 500 mg and Caffeine 65 mg per unit, intended strictly for oral administration. Usage protocol emphasizes specific dosage limits and required time intervals.


Official Dosing and Administration

Population Standard Single Dose Maximum Daily Dose Frequency Special Condition
Adults (and ge 16 years) Two caplets (1000 mg Acetaminophen) Eight caplets (4000 mg Acetaminophen) Every 4 to 6 hours Minimum interval 4 hours
Adolescents (12-15 years) One caplet (500 mg Acetaminophen) Four caplets (2000 mg Acetaminophen) Up to 4 times daily Not for children under 12 years

The tablets or caplets are to be swallowed whole with water and may be administered with or without food. Dosing is based on an intermittent, as-needed schedule for acute episodes, not continuous long-term treatment. Duration of use is generally limited to three consecutive days for pain relief in the absence of medical consultation.

Because the combination contains Caffeine, a critical instruction tied to proper administration is the need to limit the intake of other caffeine-containing products while using the medicine. Furthermore, clinical guidelines advise dose reduction or avoidance of the product in patients with pre-existing hepatic or severe renal impairment.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Adol extra

Evidence for Acute Pain Relief

The evidence base for the Acetaminophen and Caffeine combination was studied for research exploring how symptoms change over time that is mild-to-moderate. The most common study design is the short-term, single-dose Randomized Controlled Trial (RCT) and systematic reviews that compile these findings. Research examined the combination's use against a placebo or against Acetaminophen alone in highly controlled settings, often involving standardized pain models, such as pain following minor dental or surgical procedure. These findings describe patterns observed in the studies regarding short-term symptom changes in the observed populations. Evidence from meta-analyses that compile these controlled trials describes patterns observed in these specific acute pain scenarios.

Evidence for Episodic Headache and Acute Migraine

The combination was evaluated in a number of randomized trials specifically for its role in the study of conditions characterized by fluctuating or episodic manifestations, such as episodic tension-type headache and acute migraine attacks. These research contexts involved trials assessing short-term symptom patterns, focusing on outcomes capturing phases of heightened symptom activity. Key measurements used in this research include the time until a participant achieved a pain-free status and the reduction of pain intensity within the first few hours following a dose. Findings from these studies report how symptoms evolved in the observed populations of adult individuals who met the criteria for these specific headache types. The collected data shows patterns related to how participants reported their pain levels and overall discomfort during the measured period.

Research Evidence for Other Studied Conditions

Research explored whether the combination was observed in other specific conditions involving periods of heightened symptoms. For instance, trials have focused on outcomes related to physical discomfort during episodes of primary dysmenorrhea (menstrual pain). Separately, the antipyretic (fever-reducing) action was studied for the combination, but this research often relies heavily on the well-established evidence base of the Paracetamol component alone.

What Research Still Seeks to Clarify (Uncertainty and Gaps)

While much research has explored the combination's use, certainty remains low in several areas. Evidence quality varies across studies, and there is a noted need for further clarification on the unique contribution of the caffeine component beyond its known role as an analgesic adjuvant. Comparative evidence is lacking against the full range of alternative non-opioid pain relievers. The available studies describe what has been observed so far regarding group patterns, not personal outcomes, and they contribute to the broader evidence landscape by highlighting what is known—and what is still uncertain.

Key Studies & References

  1. PARACETAMOL + CAFFEINE - 500 mg/65 mg Film-Coated Tablet Analgesic / Antipyretic (Regulatory Label Example)

Frequently Asked Questions (FAQ)

Common questions about Adol extra (FAQ)


Q: Is Adol extra different from regular Adol?

A: Regulatory documents describe Adol extra as a fixed-dose combination product containing both Acetaminophen (Paracetamol) and Caffeine. This differs from a standard or 'regular' acetaminophen product, which typically contains only the single acetaminophen ingredient.

Q: Why is it called 'extra'?

A: Official documentation indicates that the product's formulation is intended to provide a boosted analgesic effect or enhanced symptomatic relief. This enhanced effect is achieved through the addition of the caffeine component to the acetaminophen.

Q: How quickly does Adol extra start working?

A: Clinical studies have measured symptom changes and pain reduction patterns, often capturing results within the first few hours following a single dose. Official information notes that the caffeine component is documented to increase the speed at which the acetaminophen component is absorbed.

Q: How long do the effects of Adol extra last?

A: Regulatory guidance defines the use frequency as no more than once every 4 to 6 hours. This interval is specified in official instructions for proper administration time.

Q: What are the most common side effects of Adol extra?

A: The official safety profile lists common adverse reactions that are mostly linked to the stimulating effects of the caffeine component. These can include insomnia, nervousness, restlessness, tremor, nausea, and vomiting.

Q: Does Adol extra make you drowsy?

A: The regulatory safety profile does not list drowsiness as a common side effect. Common reactions noted in official documents are related to the Central Nervous System (CNS) stimulant action of the caffeine component, such as insomnia and nervousness.

Q: What kind of research evidence is there for Adol extra's effectiveness?

A: Research has focused primarily on the use of the combination for short-term relief of mild-to-moderate acute pain. Additionally, studies have explored its use in the management of symptoms associated with episodic tension-type headaches and acute migraine attacks.

Q: Is the 'extra' formulation considered stronger than the regular one?

A: Official product information describes the combination as being intended to utilize pharmacological synergy to provide a boosted analgesic effect. This effect is an enhancement compared to single-ingredient acetaminophen products.

Q: What do studies say about Adol extra's use for tension headaches?

A: The combination was specifically evaluated in randomized trials for the study of episodic tension-type headache. Research findings captured patterns related to how participants achieved a pain-free status and reported pain intensity reduction in the initial hours after a dose.

Q: Can I take Adol extra for back pain?

A: Regulatory documents list the medicine as being indicated for the relief of painful conditions, which includes general body discomforts such as backache and muscular aches and pains.

Q: Can Adol extra cause stomach issues?

A: Regulatory documentation lists specific gastrointestinal effects, including nausea and vomiting, as common adverse reactions. Other non-specific gastrointestinal disturbances may also be reported in official safety profiles.

Q: Is Adol extra suitable for children?

A: Official labeling specifies that use is authorized for adolescents aged 12 years and over. The product is contraindicated, meaning it must not be used, in children under 12 years of age.

Q: Are there any age restrictions for using Adol extra?

A: The product is contraindicated for use in children under 12 years. Official information states that use is authorized for adults and adolescents 12 years and over. Use in the elderly may require caution based on a person's concurrent health issues.

Q: What happens if I take Adol extra with alcohol?

A: The official safety profile documents that chronic ingestion of alcohol is a specific risk factor. This chronic use may increase the overall hazard of liver damage associated with the acetaminophen component of the medication.

Q: Is Adol extra safe to take if I have liver problems?

A: Regulatory guidance specifies that the product is contraindicated—meaning it should not be used—in individuals with severe hepatocellular insufficiency or severe active liver disease. Caution is officially advised for those with other forms of liver impairment.

Q: Can I use Adol extra while pregnant?

A: Official regulatory labeling states that the combination product is not recommended for use during pregnancy. This restriction is based on specific risks associated with the caffeine component.

Q: Is Adol extra safe during breastfeeding?

A: Official regulatory labeling states the combination product is not recommended for use by breastfeeding individuals. This is due to the caffeine content, which may have a documented stimulating effect on the infant.

Q: Why do some people say Adol extra keeps them awake?

A: The product's caffeine component is classified as a Central Nervous System (CNS) stimulant. Regulatory documents list insomnia (difficulty sleeping) as a common adverse reaction directly related to this stimulating effect.

Q: Is it common to feel jittery after taking Adol extra?

A: Official documents list nervousness, restlessness, and tremor as common adverse reactions. These effects are related to the CNS stimulant properties of the caffeine component in the formulation.

Q: What should I do if I forget a dose of Adol extra?

A: Official patient information describes taking a missed dose as soon as remembered, provided the next scheduled dose is not due soon. If it is almost time for the next dose, the missed dose should be skipped to maintain the proper time interval.

Q: Can Adol extra be used for menstrual cramps?

A: Regulatory documents list the medicine as indicated for the relief of painful conditions, including dysmenorrhoea (menstrual pain). Research has explored outcomes related to physical discomfort during episodes of primary dysmenorrhea.

Q: What is the risk of overdose with Adol extra?

A: The critical safety profile highlights that the risk of overdose is primarily linked to the total cumulative daily dose of the acetaminophen component, which can lead to liver damage (hepatotoxicity). Official warnings advise against combining it with other acetaminophen-containing products.

Q: Is Adol extra described as being non-addictive?

A: The medicine is classified as a non-opioid analgesic and antipyretic combination. Regulatory information for the acetaminophen class often describes it as generally not having habit-forming properties when used as directed.

Q: Are there different strengths of Adol extra tablets?

A: The product is defined in regulatory documents as a fixed-dose combination containing Acetaminophen 500 mg and Caffeine 65 mg per unit. Official documents do not list different strengths for this specific combined formulation.

Q: Can Adol extra interact with my cold or flu medicine?

A: Official regulatory warnings strictly contraindicate co-administration with any other medicine containing Acetaminophen or Paracetamol. Since many cold and flu medicines contain acetaminophen, this combination should be carefully avoided to prevent unintentional overdose.

Q: What common food items might interact with Adol extra?

A: Official administration instructions specify the need to limit the intake of other caffeine-containing products while using the medicine. High amounts of dietary caffeine can potentiate the common caffeine-related adverse effects.

Q: Can Adol extra be crushed or split?

A: Official administration instructions specify that the tablets or caplets are to be swallowed whole with water. This instruction defines the standardized approach to using the medicine.

Q: Can I take Adol extra if I have asthma?

A: The safety profile notes bronchospasm (narrowing of the airways) as a possible very rare adverse reaction. This is generally noted as more likely in patients who have a known sensitivity to aspirin and other non-steroidal anti-inflammatory drugs (NSAIDs).

Q: Is Adol extra intended for chronic pain?

A: The administration protocol in regulatory documents describes an intermittent, as-needed schedule for acute episodes, not for continuous long-term treatment. Official guidance generally limits administration to a short period for pain relief.

How should Adol extra be stored and disposed of?

Adol Extra tablets must be stored at a temperature not exceeding 30 C and protected from light and moisture, as specified in regulatory labeling. The product should be kept in the original container to maintain its integrity until the official expiry date.

For mandatory safety, the medicine must be stored out of the reach and sight of children. Do not refrigerate the product.

Disposal Instructions

Expired or unused Adol Extra should not be disposed of via wastewater or household waste. Official regulatory documents instruct the user to ask a pharmacist how to dispose of medicines no longer required. This ensures proper pharmaceutical waste handling and minimizes environmental impact.

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

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