Painol

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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 Painol

Property Description
Active ingredient Paracetamol (Acetaminophen)
Form Typically Oral Tablets or Caplets
Pharmacological class Analgesic (Pain Reliever) and Antipyretic (Fever Reducer)
Common Use Temporary relief of mild to moderate pain and reduction of fever
Origin Over-the-counter (OTC) medicine

Painol is a widely available and trusted over-the-counter (OTC) medicine used primarily for its ability to temporarily relieve pain and reduce fever. Its core component is Paracetamol, also known as Acetaminophen, a substance that is one of the most frequently used medicines globally for its efficacy and relatively high safety profile when used correctly.

Therapeutic Classification and Use

Painol is classified as both an analgesic and an antipyretic. This means its primary therapeutic effects are to ease minor to moderate discomfort and to help lower an elevated body temperature. It achieves these effects without possessing significant anti-inflammatory properties, distinguishing it from NSAIDs like ibuprofen.

Paracetamol's established role in managing pain and fever is recognized by major health organizations worldwide. The Painol brand, often manufactured for distribution in specific international markets, offers a standard formulation that is a reliable option for short-term symptomatic relief of conditions such as headaches, muscle aches, toothaches, and the fever and aches associated with the common cold or flu.

Pharmacological studies support that the active ingredient works by inhibiting certain chemical pathways in the central nervous system to effectively raise the body's overall pain threshold and influence the temperature-regulating center in the brain. The brand may also include other formulations, such as those combined with decongestants, to target specific symptom clusters.

Regulatory References

  1. recognized by major health organizations
  2. Pharmacological studies

What side effects are possible with Painol?

Possible Side Effects and Safety Information

This information reflects the documented safety profile of Painol (acetaminophen) as established by government regulatory bodies, detailing possible adverse reactions and required safety precautions.

Serious and Clinically Significant Risks

Official regulatory documents emphasize specific severe risks:

  • Severe Liver Damage: The most critical safety risk is severe, sometimes fatal, liver damage (hepatotoxicity). This risk is significantly increased when the maximum daily dose is exceeded or when taken concurrently with other products containing acetaminophen or with three or more alcoholic drinks daily.
  • Severe Skin Reactions: In rare cases, Painol has been associated with severe, potentially fatal skin reactions, including Stevens-Johnson Syndrome (SJS), Toxic Epidermal Necrolysis (TEN), and Acute Generalized Exanthematous Pustulosis (AGEP). Regulatory advice mandates immediate discontinuation of use at the first appearance of skin reddening, rash, or blisters.
  • Allergic/Hypersensitivity Reactions: Acute hypersensitivity reactions, including anaphylaxis and angioedema, have been reported and require immediate medical attention.

Adverse Reactions by Frequency

Classification Examples of Reactions
Rare Blood disorders (thrombocytopenia, agranulocytosis), Hypersensitivity reactions (e.g., rash, angioedema).
Very Rare Severe skin reactions (SJS, TEN, AGEP), Liver failure.

Restrictions and Population-Specific Considerations

Official labeling defines strict limitations and considerations for use:

  • Do not use if you are allergic to acetaminophen or any of the inactive ingredients.
  • Do not take with any other prescription or non-prescription drug that contains acetaminophen (or paracetamol).
  • Population Risk: Use in patients with severe liver or kidney impairment and in chronic alcohol users requires particular caution.
  • Pregnancy and Breastfeeding: Regulatory bodies advise that use during pregnancy and breastfeeding should only occur after consultation with a healthcare professional, limiting use to the lowest effective dose for the shortest possible duration.

Overdose and Emergency Response

Overdose and when to seek help

The official documentation for Painol overdose emphasizes the serious risk of delayed, life-threatening organ injury following ingestion of a toxic quantity. The profile mandates specific actions regardless of the presence of initial symptoms.

Overdose Scope Regulatory Documentation Summary
Documented Manifestations Initial signs, often within 24 hours, include nausea, vomiting, pallor, sweating, and abdominal pain. Later, delayed manifestations may involve signs of severe liver damage, such as jaundice and coagulation defects.
Physiological Systems Affected Primarily the Hepatic system (acute liver failure), the Renal system (acute kidney failure), and the Central Nervous System (hepatic encephalopathy).
Risk Factors Increased risk of severe liver injury is noted in patients with pre-existing hepatic impairment, chronic malnutrition, low body weight (under 50 kg), and chronic alcoholism.
When to Seek Urgent Help Seek immediate medical attention right away following any suspected overdose. Urgent care is required even if no symptoms are present.

Official Overdose Statements

  • The overdose is classified as potentially causing severe liver damage, acute liver failure, and death.
  • The antidote N-acetylcysteine (NAC) is the indicated treatment and is most effective when administered within the first hours following ingestion.
  • Management requires symptomatic and supportive treatment and mandated hospital monitoring of liver function and serum concentration levels.

Connection to the overall overdose profile: Regulatory documents define the overdose profile by establishing that the potential for delayed, life-threatening liver damage may be preceded by only minor or absent initial symptoms. This necessitates a mandatory immediate medical action upon suspected toxic exposure to ensure the timely administration of the specified antidote. Official guidance requires clinical monitoring, including measuring serum acetaminophen concentrations, to guide definitive treatment.

Therapeutic Uses of Painol

What Painol Treats: Main Uses and Benefits

Painol (Paracetamol/Acetaminophen) may be part of symptomatic management for symptoms related to physical discomfort and systemic imbalance, supporting patients with maintaining functional stability during episodes of heightened symptoms.

The core therapeutic domains involve providing symptomatic relief for mild to moderate pain and reducing fever. It is relevant for easing symptoms related to physical discomfort such as common headaches, dental pain, and general muscle aches, and for managing symptoms that create noticeable physiological strain, like elevated body temperature associated with the common cold or influenza.


Key Therapeutic Applications

Painol is considered relevant when supportive symptom management is appropriate for conditions characterized by episodic or recurrent manifestations. It plays a role in managing symptoms that appear suddenly or fluctuate, is commonly used during phases when symptoms become more noticeable.

“This medication is applied across domains where additional symptomatic support is needed, contributing to easing the overall symptom load during difficult episodes.”

Specific use scenarios include assists with maintaining support for the discomfort associated with menstrual cramps (dysmenorrhea) and may assist with pain after certain minor procedures. This approach supports improved comfort, which may help maintain a sense of stability when symptoms are more noticeable.

Quick Fact: Relief for Pain and Fever Painol's primary therapeutic application is the non-opioid management of mild to moderate pain levels and the reduction of elevated body temperature, is considered relevant in contexts involving heightened systemic burden.

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Who Can and Cannot Use Painol: Official Eligibility

Official regulatory documents define specific populations who are permitted, restricted, or prohibited from using Painol (Paracetamol/Acetaminophen).

Absolute Contraindications

Use of the medicine is contraindicated in two key patient groups, meaning they must not use Painol:

  • Individuals with severe active hepatic impairment or severe liver disease.
  • Patients with a known history of hypersensitivity or severe allergic reaction to Paracetamol or any of the product's components.

Conditional and Restricted Use

Eligibility is restricted for certain populations, requiring caution as defined in official labeling:

Population Group Regulatory Status
Severe Renal Impairment Restricted Use; often requires dose interval adjustment.
Mild/Moderate Hepatic Impairment Conditional Use; requires caution and potential dose/duration limitations.
Pregnancy Permitted only if clinically necessary, at the lowest effective dose for the shortest duration.
Infants/Young Children Not Recommended or Contraindicated below a specified minimum age/weight threshold.

Otherwise, the medicine is approved for use in the general adult and adolescent population, and is generally considered compatible with breastfeeding at therapeutic doses.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation structures the interaction profile of Painol (Paracetamol/Acetaminophen) based on pharmacokinetic and pharmacodynamic consequences. Co-administration with any other product containing Acetaminophen/Paracetamol is strictly prohibited due to the risk of exceeding the maximum daily dose, which can lead to severe liver toxicity.

Documented Pharmacokinetic Interactions

Interacting Substance/Class Official Regulatory Description
Probenecid Reduces Painol's clearance, formally resulting in increased exposure.
Metoclopramide or Domperidone Accelerate gastric emptying, thereby increasing the rate of Painol absorption.
Cholestyramine Reduces Painol absorption; administration must be separated by at least one hour before or four to six hours after.
Enzyme-Inducing Medicinal Products (e.g., Carbamazepine, Rifampicin, St. John's Wort) May alter metabolism, leading to reduced plasma concentrations and increased potential for hepatotoxicity.

Documented Pharmacodynamic Interactions

Interacting Substance/Class Official Regulatory Description
Warfarin and other Coumarins Prolonged, regular use may enhance the anticoagulant effect, officially increasing the risk of bleeding.
Flucloxacillin Concurrent intake is associated with an increased risk of High Anion Gap Metabolic Acidosis, particularly in patients with severe renal impairment or malnutrition.
Alcohol (Ethanol) Daily ingestion of three or more alcoholic drinks constitutes an official risk factor for severe liver damage.

Mechanism of Action

Targeting Central Nervous System Pathways

Painol primarily acts within the central nervous system (CNS). The drug's mechanism engages pathways that influence descending inhibitory signals, leading to predictable physiological adjustments that induce a shift in neuronal pathway dynamics.


Modulating Prostaglandin Synthesis

The drug modulates key pathways associated with the production of prostaglandins—lipid compounds involved in signaling processes. Painol is thought to achieve this by influencing cyclooxygenase (COX) enzyme activity, particularly within the CNS. This action modifies early molecular steps that shape systemic physiological outcomes, which influences downstream effects related to pathway hyperactivity.


Influencing Cannabinoid and Serotonergic Systems

A complex mechanistic domain involves the drug’s active metabolite, AM404, which initiates signaling sequences in the brain and spinal cord. AM404 engages mechanisms that regulate overactive or dysregulated processes by potentially activating TRPV1 receptors and the endocannabinoid system, while also potentially modulating the function of descending serotonergic pathways. This cascade modulates the signaling magnitude driven by key mediators, shaping the resulting systemic physiological adjustments.

Dosage and Administration Information

Painol's use is structured by official guidelines that define administration routes, strict dose limits, and necessary interval constraints. While the medicine is commonly used via the oral route (tablet or caplet), the active ingredient is also approved for intravenous and rectal administration in supervised clinical settings.

Dosing and Frequency

For adults weighing 50 kg or more, the standard single dose typically ranges from 650 mg to 1,000 mg. The administration protocol requires a minimum interval of 4 hours between doses of immediate-release formulations. Crucially, the maximum total daily dose from all sources and routes, including other combination products containing the active ingredient, must not exceed 4,000 mg in a 24-hour period.

Administration and Duration

The medicine may be taken with or without food, although administration without food may result in a faster onset of effect. Liquid and effervescent forms require specific preparation, such as dissolving or using a calibrated measuring device. Usage is defined as short-term symptomatic relief and is generally not intended to exceed 3 days for fever or 10 days for pain.

Population Adjustments

Dosing requires modification in patients with impaired organ function. For adults with severe renal impairment, the protocol mandates extending the minimum dosing interval (to 6 or 8 hours) to prevent accumulation. Similarly, dose reduction or interval extension is specified for individuals with chronic hepatic impairment. Pediatric dosing is determined strictly by body weight.

Recent Clinical Evidence

Painol: Recent Clinical Evidence

Research has explored the use of the compound in individuals with Type 2 diabetes. The goal of these studies was to assess the association between the compound and glycemic control and other related metabolic markers.


Glycemic Control Studies

Clinical trials evaluated whether the compound was associated with changes in glycemic control, as measured by A1C levels and fasting plasma glucose (FPG).

  • A1C Results: Studies monitored A1C levels and assessed the potential for maintained changes. The studies documented an observation of a mean change in A1C ranging from 1.0% to 1.5% in participants over a six-month period.
  • FPG and Postprandial Glucose: Research also examined the potential change in fasting plasma glucose and postprandial glucose (glucose levels after meals).
  • Long-Term Research: Larger, extended studies evaluated long-term clinical outcomes, such as cardiovascular events, in participants receiving the compound compared to a control group.

Weight Loss Outcomes

Research also examined the change in satiety and noted a mean weight loss of 5–8% in study participants over a nine-month trial period. This finding describes an observed change in body weight in participants receiving the compound as an addition to diet and exercise.


Side Effects and Tolerability

Studies monitored the compound's safety profile and reported potential gastrointestinal issues, including nausea, vomiting, and diarrhea.

  • Common Events: The trials noted that these side effects were predominantly reported as mild to moderate and that the frequency or severity of reports typically lessened over the first few weeks of treatment.
  • Severe Adverse Events: Researchers recorded the occurrence of severe adverse events. Observed severe events were reported in a small number of participants.

Other Areas of Research

Some studies explored its use in individuals with pre-diabetes to assess the potential for changes in the progression of the condition. The scope of these initial trials was limited.


Overall, the research describes the evaluated therapeutic profile and monitored the associated safety reports of the compound across the studied populations.

Frequently Asked Questions (FAQ)

Common questions about Painol (FAQ)

Q: How long does it take for Painol's effects to be noticed?

Official product information indicates that the drug usually reaches its highest level in the bloodstream within about 90 minutes after you take a dose. The rate at which the body absorbs the medicine can vary based on factors like whether it is taken with food.

Q: Are there any known herbal supplements that interact with Painol?

Official documentation mentions that herbal products which may affect liver enzymes, like St. John’s Wort, are a recognized potential interaction. This type of interaction is a concern because it can alter how the body processes the medicine.

Q: What age group is Painol approved for according to regulatory agencies?

Regulatory agencies provide approved dosing information for children as young as 2 months of age. The appropriate formulation and quantity are strictly determined by the child’s body weight and age. The official dosing tables contain the necessary information for pediatric use.

Q: What foods or drinks should be avoided while taking Painol?

According to official warnings, consistent, excessive consumption of alcohol (three or more drinks daily) should be avoided when taking Painol. This practice has been officially identified as a risk factor for severe liver damage.

Q: Where is Painol primarily absorbed in the body?

The medicine is primarily absorbed in the gastrointestinal tract, which includes the stomach and intestines. The speed of absorption is influenced by factors like the rate at which the stomach empties.

Q: Has Painol been studied for use in long-term treatment?

Official warnings state that use is generally defined as short-term symptomatic relief. Prolonged use or taking doses higher than recommended is associated with an increased risk of serious liver damage.

Q: What type of research evidence supports the approved uses of Painol?

The approved uses for temporary relief of acute pain and fever are supported by clinical trials described in the official labeling. The studies referenced in the official labeling examine the drug's effects in both adult and pediatric populations.

Q: Does Painol cause drowsiness or fatigue?

Clinical trial data indicates that fatigue is a reported adverse reaction. Dizziness is also listed as a reported effect in clinical data.

Q: What is the average time Painol stays active in the body?

Regulatory-based pharmacological data indicates the elimination half-life of the drug is typically between 1.5 and 2.5 hours. The half-life refers to the time it takes for half of the drug to be eliminated from the bloodstream.

Q: Is Painol considered a blood thinner?

The drug is not classified as a blood thinner (anticoagulant). However, official drug interaction information notes that prolonged, regular daily use of Painol may enhance the effect of certain blood-thinning medicines, such as warfarin.

Q: Can Painol affect blood pressure readings?

Low blood pressure, technically known as hypotension, is listed as a reported adverse reaction in clinical trial data.

Q: Is it normal to feel a mild headache when first starting Painol?

Headache is listed among the reported adverse reactions in official clinical trial data. However, the reported occurrence rate was often similar to that observed in participants who received a placebo (an inactive substance).

Q: Does Painol contain any stimulants or caffeine?

The active ingredient, Acetaminophen (Paracetamol), is classified as a simple pain reliever and fever reducer. It is not classified as a stimulant.

Q: Can Painol be taken by older adults or seniors?

The official label includes specific guidance for use in the geriatric population (older adults). The label notes that caution is advised because this population may have an increased sensitivity to the drug’s effects or may have other health conditions.

Q: Is Painol described as potentially addictive or habit-forming?

Official regulatory sources confirm that single-agent Painol is not considered to be addictive or habit-forming. This confirmation is made for the product containing the active ingredient alone.

Q: Does Painol carry a 'Black Box' warning from the FDA or similar agency?

Prescription products that contain the active ingredient in Painol are required to carry a Boxed Warning (sometimes called a Black Box Warning) from the FDA. This warning specifically addresses the potential risk of severe, sometimes fatal, liver damage (hepatotoxicity).

Q: Can I cut or crush Painol tablets before taking them?

Generally, it is not recommended to cut, crush, or otherwise alter tablets before use. This practice is generally discouraged unless the official product instructions specifically state that the tablet form is designed to be dispersed or chewed.

Q: Is Painol safe for people with a history of heart conditions?

Official literature notes the drug's use in patients with cardiovascular concerns. It does not carry the cardiovascular thrombotic risk warning associated with nonsteroidal anti-inflammatory drugs (NSAIDs).

Q: Where can I find the official patient information leaflet for Painol online?

The official Patient Information Leaflet or Medication Guide is provided with the product. This document is available on the websites of national regulatory agencies, such as the FDA or the European Medicines Agency (EMA).

Q: Can Painol cause dizziness or lightheadedness?

Dizziness and a feeling of lightheadedness are reported adverse reactions that appeared in official clinical trial data.

Q: Does Painol affect the effectiveness of hormonal birth control pills?

Official drug interaction literature notes that hormonal contraceptives may affect how the body processes Painol, which could potentially reduce its concentration. Conversely, Painol may affect the concentration of the hormones in the birth control pill.

Q: Is Painol available in a generic version?

Painol is a brand name for the active ingredient, which is widely available from many different manufacturers under its generic name, Acetaminophen or Paracetamol.

Q: Does Painol cause difficulty sleeping or insomnia?

Insomnia (difficulty sleeping) is listed as a reported adverse reaction in official clinical trial data. This effect has been reported in patients using the medicine.

Q: Is it necessary to monitor certain lab tests while using Painol?

Routine lab monitoring is generally not required for the average person taking Painol as directed. However, the need for medical supervision and dose adjustment is noted for patients with severe kidney or liver impairment.

Q: Have there been any clinical trials for Painol specifically in adolescents?

Clinical trials were conducted to support the use of the drug for acute pain and fever in the pediatric population, a category which includes adolescents. This research is referenced in the official regulatory documentation.

How should Painol be stored and disposed of?

Storage and Disposal of Painol

Official regulatory guidelines strictly define the conditions under which Painol (Paracetamol/Acetaminophen) must be stored and discarded.

Storage Requirements

Painol must be stored at controlled room temperature, generally defined as below 25 C (77 F). The medicine must be protected from moisture and should not be frozen. It is required to keep Painol out of the reach and sight of children and to store it in the original container with the lid tightly closed.

Disposal Instructions

Unused or expired Painol must not be flushed down the toilet or poured down the sink. The preferred method for disposal is using a recognized drug take-back program (e.g., pharmacy collection). If a take-back option is unavailable, the product should be mixed with an unappealing substance, sealed in a bag, and then placed into the household trash, ensuring personal information is obscured from packaging.

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

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