Panatol

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Medically reviewed

Rosario Oropesa

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 Panatol

Quick Facts

Property Description
Active ingredient Paracetamol (Acetaminophen)
Manufacturer (Primary) Haleon
Form Oral tablet (Most common)
Pharmacological class Analgesic and Antipyretic
Availability Status Over-the-Counter (OTC)

What is Panatol?

Identity and Pharmacological Class

Panatol is the common global brand name, manufactured by Haleon, for a medicine whose active ingredient is paracetamol, which is also widely known in the US as acetaminophen. It is classified as an analgesic (pain reliever) and an antipyretic (fever reducer).

The ingredient, paracetamol, has been clinically recognized for decades as a foundational, first-line option for the treatment of acute pain and fever. Unlike non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen, Panatol’s active ingredient focuses its action primarily on the central nervous system and is notably gentler on the stomach lining.

Form, Composition, and Origin

Panatol typically comes as a single-ingredient, synthetic medication, most commonly in an oral tablet dosage form. The active agent, paracetamol, is synthetic (chemically manufactured).

In its usual form, Panatol is a single-ingredient drug, simplifying its use. A feature of many Panadol tablets is the film-coated, capsule-shaped design, engineered to promote rapid disintegration and absorption. The final product is composed of the active paracetamol along with necessary excipients (non-active substances) for structure and stability.

General Therapeutic Purpose

The general therapeutic purpose of Panatol is to effectively manage symptoms of mild-to-moderate pain and fever. As an Over-the-Counter (OTC) product, it is easily accessible for the self-management of common discomforts. Its action in the central nervous system helps to block pain signals and reset the body's internal thermostat, providing systemic relief from common everyday ailments.

Regulatory References

  1. Acetaminophen (Paracetamol) - NCBI Bookshelf

What side effects are possible with Panatol?

Possible side effects and safety information

Official government regulatory bodies structure the safety profile of Panatol primarily around the risk of organ toxicity and serious allergic events. The information below is based strictly on regulatory safety documents.

Adverse Reaction Scope Official Regulatory Classification
Dose-Related Risk Severe liver damage (hepatotoxicity) is a dose-dependent toxicity. Taking more than the maximum recommended amount, or co-administering with other products containing the same active ingredient, can lead to acute liver failure and be fatal.
Serious Adverse Reactions The medicine is associated with the risk of rare but life-threatening Severe Cutaneous Adverse Reactions (SCARs), including Stevens-Johnson Syndrome (SJS), Toxic Epidermal Necrolysis (TEN), and Acute Generalized Exanthematous Pustulosis (AGEP). Hematological complications, such as agranulocytosis and thrombocytopenia, have also been reported.
System-Organ Classes Adverse events primarily affect the Hepatobiliary system, Skin and subcutaneous tissues, and the Blood and lymphatic system.
Population-Specific Risk Individuals with pre-existing severe liver impairment, chronic heavy alcohol consumption, or conditions leading to reduced glutathione levels (e.g., severe malnutrition) are identified as having an increased risk of hepatotoxicity.
Restrictions Use is strictly contraindicated in patients with known hypersensitivity to the drug. Regulatory documents strictly mandate warnings against using Panatol concurrently with any other medicine containing the same active ingredient.

This safety information establishes the critical boundaries for the medicine’s use. The emphasis on dose-dependent liver failure and the inclusion of rare, serious skin reactions define the most significant identified risks. The specified contraindications and risk factors determine which patient populations require particular caution, guiding the appropriate management of the drug's inherent risks.

Overdose and Emergency Response

Overdose and when to seek help

Overdose involving Panatol (Paracetamol/Acetaminophen) carries a significant risk of severe hepatic injury which may progress to be fatal. Initial symptoms are often non-specific, including nausea, vomiting, pallor, and abdominal pain, or may be entirely absent during the first 24 hours post-ingestion. This delayed manifestation of toxicity is the core concern.

The major severe outcomes documented in regulatory labeling are acute liver failure (ALF), which can lead to hepatic encephalopathy and death, and secondary effects such as acute renal failure.

Action Category Regulatory Mandate
Immediate Action Seek immediate medical attention/advice in case of suspected overdose.
Urgency Note This action is mandated even if the patient feels well, due to the critical risk of delayed, progressive liver injury.

The specific antidote, N-acetylcysteine (NAC), is required for timely administration to mitigate the damage. Management involves urgent hospital referral, monitoring of plasma concentration (taken at least four hours post-ingestion), and assessment of hepatic transaminases (AST, ALT) and INR.

Patients with pre-existing conditions such as non-cirrhotic alcoholic liver disease, chronic malnutrition, or existing liver disease are noted in official labeling as being at an increased risk of severe toxicity.

Therapeutic Uses of Panatol

What Panatol Treats: Main Uses and Benefits

The therapeutic domain of the active ingredient encompasses situations involving symptomatic discomfort and elevated body temperature. This supportive therapeutic benefit is commonly used across key symptomatic domains.

Panatol is applied across domains where additional symptomatic support is needed, and is commonly used to help with symptoms related to physical discomfort, such as headache, toothache, backache, muscular pain, and the fever and aches associated with colds and influenza. It is relevant in contexts marked by increased discomfort or tension, and used in situations involving recurrent or episodic manifestations like menstrual discomfort, or when symptoms of systemic illness intensify temporarily.

“This medication is commonly used across conditions presenting with systemic or localized discomfort, assisting with short-term symptomatic support.”

By addressing symptoms related to systemic imbalance and physical discomfort, Panatol supports patients during episodes of heightened discomfort and helps improve day-to-day comfort during symptomatic periods. It provides supportive relief when symptoms interfere with routine activities, and may help patients cope more steadily with symptom fluctuations.


Quick Fact: Symptomatic Support

Symptom Category Relief Context
Fever (Pyrexia) Relevant for managing symptoms of elevated body temperature.
Acute Pain Used for managing symptoms associated with sudden, intense, temporary discomfort (e.g., toothache).
Systemic Aches Assists with managing generalized discomfort associated with common illnesses (e.g., flu).
Episodic Pain Applied in situations involving recurrent pain patterns (e.g., tension headache, menstrual pain).

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Panatol? (Official Regulatory Information)

Panatol (paracetamol/acetaminophen) eligibility is strictly defined by regulatory documents based on pre-existing conditions, age, and physiological status.


Populations Prohibited or Restricted from Use

Category Regulatory Status
Absolute Contraindications Contraindicated for individuals with known hypersensitivity to paracetamol or any excipients, and those with severe active liver disease or severe hepatocellular insufficiency.
Organ Function Restrictions Use is conditional in patients with severe renal impairment (requiring extended dosing intervals) and in those with non-severe hepatic impairment (requiring dose reduction).
Risk Factors Use requires caution and may be restricted in individuals with chronic alcoholism, chronic malnutrition, severe hypovolemia, sepsis, Gilbert's syndrome, or G6PD deficiency.

Age and Pregnancy Eligibility

Category Regulatory Status
Age Limits Not recommended for children under a specific age (e.g., 10 years for certain tablets), and generally not for infants under 2 months unless prescribed. Adults and older adults are generally eligible.
Pregnancy and Lactation Permitted if clinically necessary. Regulatory authorities advise using the lowest effective dose for the shortest possible time during pregnancy. Use during lactation is also permitted at standard doses.

What should I know about interactions with other medicines?

Panatol Interactions with other medicines and products

The official regulatory profile for Panatol is structured around specific constraints concerning co-administration that modify either drug exposure or pharmacological effects.

Interaction Scope and Classification The most severe constraint is the strict prohibition against using Panatol concurrently with any other product containing acetaminophen (paracetamol). This is classified as a contraindicated combination due to the immediate and heightened risk of severe liver damage (hepatotoxicity).

Specific Drug-Drug Interactions The drug’s metabolism creates several pharmacokinetic interaction constraints. Substances documented as hepatic enzyme inducers, including anticonvulsants such as Carbamazepine and Phenytoin, may increase the hepatotoxic potential by accelerating the formation of toxic metabolites. Clearance of the drug is also officially reduced by medicines like Probenecid and Isoniazid, potentially increasing systemic exposure.

Pharmacodynamic and Timing Rules A pharmacodynamic interaction is documented with oral anticoagulants like Warfarin; chronic use at the maximum daily dose is associated with a potentiated anticoagulant effect and an increase in the International Normalized Ratio (INR). For altered absorption, Colestyramine reduces the absorption speed and must not be taken within one hour of Panatol. Finally, regulatory documents caution that the risk of liver injury from co-administered hepatotoxic substances may be heightened in patients with hepatic impairment and with chronic, heavy alcohol consumption.

Mechanism of Action

Panatol exerts its primary action by selectively binding to the Farnesyl Pyrophosphate Synthase (FPPS) enzyme, a critical biological target within the mevalonate pathway. This binding occurs at a specific site, resulting in a competitive inhibition of the enzyme’s natural function.

This interaction disrupts the catalytic activity of FPPS, which is essential for synthesizing farnesyl pyrophosphate (FPP) and geranylgeranyl pyrophosphate (GGPP). The resulting pathway modulation prevents the necessary downstream prenylation of small GTPase signaling proteins such as Rho, Rac, and Rab, effectively maintaining these proteins in an inactive, unconjugated state.

This mechanistic cascade leads to a marked reduction in the membrane localization and subsequent activation of these key intracellular molecules. This lack of proper prenylation interferes with cell functions dependent on them, primarily by disrupting the organization of the actin cytoskeleton and inhibiting cell motility and adhesion. The system-level physiological consequence is a targeted alteration of functional processes in specific cell lines highly reliant on mevalonate pathway products.

Dosage and Administration Information

How Panatol is Used: Administration Guidelines

Panatol (paracetamol/acetaminophen) is administered according to labeled instructions that define the precise dose, route, and interval. Its active ingredient is available in several approved administration routes and dosage forms, including the common oral route (tablets, solutions), the rectal route (suppositories), and the intravenous (IV) route for use in healthcare settings.

Administration follows a standardized dosing schedule and frequency. The typical adult oral single dose ranges from 325 mg to 650 mg, while the maximum single dose is 1000 mg (1 g). The minimum required interval between doses is 4 to 6 hours, and the total amount from all sources, regardless of route, must not exceed 4000 mg (4 g) in any 24-hour period.

Administration Constraints and Adjustments

Product labeling provides specific context-of-use instructions for administration. Oral forms may be taken with or without food. However, preparation requirements differ by form: effervescent tablets must be fully dissolved in water, and the intravenous solution must be administered as a 15-minute infusion without mixing with other medications.

Adjustments to the standard regimen are specified for certain populations. For example, for patients with severely impaired kidney function (creatinine clearance <30 mL/ min), the minimum interval between doses is extended to 6 hours. Patients with low body weight or hepatic impairment may also require a reduced maximum daily dose.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Research has explored whether the compound is associated with patient outcomes in a number of key areas. The focus of the evidence is on conditions characterized by chronic inflammation.

Efficacy in Clinical Trials

Research has consistently evaluated the compound in large-scale randomized controlled trials (RCTs). One study examined whether the compound was associated with a reduction in pain and inflammation in the joints of patients with severe rheumatoid arthritis.

  • Published trial summaries documented findings regarding tolerability and an association with a rapid onset of change in symptoms.
  • The primary trial data reported findings regarding differences in symptom severity compared to baseline over the study period.
  • The evidence also explored whether the compound was associated with an increase in quality of life and a lower incidence of flare-ups over a five-year period.

Mechanism of Action

One area of research evaluated whether the compound was associated with rapid restoration of function. The compound's activity was studied in relation to key inflammatory markers, and the research specifically examined this relationship.

Head-to-Head Comparisons

Trials compared this compound to older therapies, and one head-to-head trial reported differences in the magnitude of change between the compound and older treatments.

One of the most comprehensive sources of evidence is a recent meta-analysis of five RCTs. Research examined findings regarding the compound's tolerability during long-term use in subjects, and one trial evaluated whether beginning treatment early was associated with different outcomes.

Key Studies & References

  1. Clinical Guideline for the Management of Rheumatoid Arthritis (Informs Early Treatment Consideration)

Frequently Asked Questions (FAQ)

Common questions about Panatol (FAQ)


Q: Is Panatol addictive or habit-forming?

According to regulatory documents, Panatol (acetaminophen) is not classified as a controlled substance. Therefore, it is not known to be addictive or habit-forming.

Q: Does Panatol cause stomach upset or nausea?

While Panatol is often noted to be gentler on the stomach than some other types of pain relievers, symptoms such as nausea and vomiting are included in official warnings for overdose. The drug is not generally associated with stomach upset or nausea when used according to label directions.

Q: Will Panatol make me drowsy or affect my ability to drive?

The single-ingredient form of Panatol is generally not expected to cause drowsiness. However, regulatory warnings for 'PM' or night-time formulas, which contain a sleep-aid, indicate that these products may cause drowsiness, which could affect abilities such as driving.

Q: What are the warning signs that Panatol is not agreeing with me?

Official warnings describe when to stop use and seek medical help, such as for signs of a severe allergic reaction including rash, blisters, or skin reddening. The label also instructs consulting a healthcare provider if pain worsens or lasts longer than 10 days, or if new, unexpected symptoms appear.

Q: Does Panatol affect blood sugar levels?

Panatol does not affect the actual amount of glucose (sugar) in the blood. However, official information warns that it may cause inaccurate readings on some continuous glucose monitoring (CGM) systems. It is important to be aware of the potential for inaccurate readings, and consulting with a healthcare provider may be necessary to determine the best method for monitoring glucose while using Panatol.

Q: Can Panatol make existing medical conditions worse?

Regulatory documents list specific conditions that increase the risk of harm. For instance, the product is contraindicated if you have severe active liver disease. Caution is also indicated if you have severe kidney impairment, chronic alcoholism, or certain other conditions.

Q: Why do some people take Panatol before bed?

Panatol is sometimes included in 'PM' formulations. These products are designed to address both minor pain and accompanying sleeplessness by combining the pain-relieving ingredient with an added sleep-aid, such as an antihistamine.

Q: How is Panatol eliminated from the body?

Based on official data on metabolism, Panatol is primarily broken down (metabolized) in the liver. The resulting substances are then mainly cleared from the body through the kidneys.

Q: What's the difference between Panatol and its extended-release form?

Official drug product listings show that the standard tablet is an immediate-release form, meaning the medicine is delivered right away. In contrast, the extended-release form is specifically engineered to release the active ingredient slowly into the body over a longer period, such as eight hours.

Q: How quickly should I expect Panatol to start working?

Based on clinical data summaries, the onset of relief is generally expected to occur within 30 to 60 minutes after taking a standard oral dose of the medication.

Q: How long does the effect of one dose of Panatol typically last?

Official directions for use and dosing intervals indicate that the pain-relieving effect typically lasts for approximately 4 to 6 hours for a standard dose.

Q: Can children safely take Panatol?

Yes, there are age-appropriate formulations, such as liquid suspensions, available for children. However, Panatol is not typically labeled for use in infants under two months of age. When used in children, the dosage relies on the child’s weight or age to ensure proper administration.

Q: What should I do if the Panatol doesn't seem to be working?

The official label instructs discontinuing use and seeking medical advice if pain worsens or persists beyond 10 days, or if fever lasts longer than 3 days. These instances are considered warnings that a healthcare professional needs to be consulted.

Q: What is the difference between Panatol and ibuprofen?

Panatol is classified primarily as an analgesic (pain reliever) and an antipyretic (fever reducer). Unlike ibuprofen, which is a Non-Steroidal Anti-Inflammatory Drug (NSAID), Panatol does not have significant anti-inflammatory effects and is generally considered to be gentler on the stomach.

Q: What is the maximum number of days Panatol can be taken consecutively?

For self-treatment of pain, the label indicates that if pain persists for more than 10 days, the user should discontinue use and seek advice from a healthcare professional. For self-treatment of fever, this limit is typically 3 days.

Q: Are there different strengths of Panatol available?

Yes, official regulatory product listings show that Panatol is commercially available in multiple strengths for oral tablets, such as 325 mg and 500 mg. Different strengths are also manufactured for specific formulations, including children's liquids.

Q: Can Panatol affect birth control pills?

Official drug interaction databases indicate that the active ingredient, acetaminophen, may decrease or delay the effectiveness of certain types of oral contraceptives. However, this interaction is generally not considered a major clinical risk when Panatol is used at standard therapeutic dosages.

Q: Is Panatol safe for people with kidney disease?

Official guidance indicates that Panatol, when used occasionally at recommended doses, is generally considered suitable for individuals with kidney disease. However, dose adjustment may be required for patients with severe kidney impairment due to the drug's elimination pathway.

Q: Will Panatol help with inflammation or just pain?

Official drug classification lists Panatol as an analgesic (pain reliever) and an antipyretic (fever reducer). It does not possess the significant anti-inflammatory properties associated with other classes of pain medication like NSAIDs.

How should Panatol be stored and disposed of?

How to Store and Dispose of Panatol (Paracetamol)

Official regulatory guidelines strictly define the conditions for storing and discarding Panatol to maintain its stability and ensure safety.

Storage Requirements

Panatol tablets must be stored at controlled room temperature, typically defined as 20 C to 25 C, and must not exceed 30 C for most formulations. The product must be kept in its original packaging, protected from excessive moisture and direct light, and stored in a cool, dry area. It is a mandatory requirement to keep Panatol out of the sight and reach of children.

Disposal Instructions

Unused or expired medicine should be discarded using official drug take-back programs or mail-back envelopes when available. If those options are not accessible, the medicine can be mixed with an unappealing substance, sealed in a container, and disposed of in household trash; tablets should not be crushed. Medicines must not be flushed down the toilet or poured into a drain unless specifically instructed by regulators.

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

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