Paradol

Quick links to important sections

Paradol

Treatment option:

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 Paradol

This section provides a clear definition and classification for Paradol, focusing on its identity, composition, and general therapeutic purpose as an analgesic and antipyretic.

Property Description
Active Ingredient Paracetamol (Acetaminophen)
Common Forms Tablet, capsule, oral solution, suppository
Pharmacological Class Analgesic (non-opioid) and Antipyretic
General Purpose Symptomatic relief from pain and fever
Origin/Status Synthetic; commonly Over-the-Counter (OTC)

Identity, Definition, and Status

Paradol is a systemic pharmaceutical agent defined by its primary actions as an analgesic (pain reliever) and an antipyretic (fever reducer). The sole, active component is Paracetamol, internationally recognized by the synonym Acetaminophen (APAP), which is categorized as a para-aminophenol derivative. The active ingredient is clinically recognized as a foundational agent for managing pain symptoms globally. The drug is therapeutically classified as a non-opioid analgesic, distinguishing its mechanism from narcotic pain relievers. Paradol is a synthetic compound that is widely available for self-care, typically sold as an Over-the-Counter (OTC) medicine.


Composition and General Purpose

The medication functions as a single-active-ingredient product, with its effects derived entirely from Paracetamol. Its general purpose is to grant symptomatic relief by centrally influencing the body's sensitivity to pain and lowering an elevated fever. This agent’s primary role is the central modulation of pain and temperature signals. Unlike Nonsteroidal Anti-inflammatory Drugs (NSAIDs), Paradol provides targeted relief without significant peripheral anti-inflammatory effects, focusing its action on the Central Nervous System (CNS).


Available Forms and Administration

Paradol is manufactured in multiple dosage forms to accommodate diverse patient needs and routes of administration. The most common preparations for the oral route include the tablet, capsule, and oral solution or suspension. Flexibility is further provided by specialized preparations, such as the suppository for rectal administration, and the intravenous (IV) solution used in clinical settings.

Regulatory References

  1. Acetaminophen: MedlinePlus Drug Information

What side effects are possible with Paradol?

Possible side effects and safety information

The official safety documentation for Paradol (Paracetamol/Acetaminophen) primarily establishes the potential for Hepatotoxicity (liver damage) as the most critical safety issue. This risk is explicitly dose-dependent and associated with acute ingestion exceeding the labeled amount or chronic excessive use, necessitating strict adherence to regulatory maximum daily limits.

Adverse reactions are formally classified by their frequency and grouped into System-Organ Classes (SOCs), as standardized in regulatory documents. Most effects outside of overdose scenarios are documented as Rare or Very Rare. Common reactions (occurring in 1% to 10% of users) such as Hypotension and Injection Site Reactions are mainly observed with the intravenous administration form.

Serious adverse reactions, though rare, are officially documented and include potentially life-threatening events. These are often classified under the Immune System and Skin and Subcutaneous Tissue Disorders SOCs, encompassing severe allergic reactions (Anaphylaxis) and conditions like Stevens-Johnson syndrome (SJS). Effects on the Blood and Lymphatic System may also occur, such as Agranulocytosis.

Regulatory documents stipulate specific safety constraints for particular populations. Use is formally restricted or contraindicated in individuals with severe active liver disease or severe hepatic impairment. There are also specific safety considerations for patients with severe renal impairment, chronic alcohol users, and those with chronic malnutrition due to increased susceptibility to liver effects. Furthermore, the risk of developing nephropathy (kidney effects) is formally linked to prolonged, high-dose exposure.

Overdose and Emergency Response

Overdose and When to Seek Help

Immediate medical advice must be sought in the event of a Paradol overdose, even if you feel well. Symptoms of overdose may not reflect the severity of poisoning and can be delayed, making prompt emergency intervention essential.

Documented Overdose Manifestations

Initial symptoms (within the first 24 hours) may be vague, often including pallor, nausea, vomiting, anorexia, and abdominal pain. These early signs do not reliably indicate the risk of serious organ damage.

Serious outcomes are primarily related to liver damage (hepatotoxicity), which may become apparent 12 to 48 hours after ingestion and can progress to hepatic failure, encephalopathy, haemorrhage, metabolic acidosis, and death. Acute renal failure with acute tubular necrosis has also been reported.

Urgent Response Requirements

Action/Condition Official Regulatory Statement
Seeking Help Immediate medical advice is required, and patients should be referred to hospital urgently for attention.
Antidote Treatment with N-acetylcysteine is essential; its maximum protective effect is achieved when administered within 8 hours post-ingestion.
Initial Management Treatment with activated charcoal should be considered if the overdose has been taken within one hour.
Dose Risk Ingestion of 10 grams or more in adults is associated with a high risk of liver damage. Toxicity can also occur from smaller doses (5g or more) if risk factors are present, such as non-cirrhotic alcoholic liver disease.

Treatment management for overdose is based on the time since ingestion and the measured concentration of the drug in the blood.

Therapeutic Uses of Paradol

Paradol is commonly used to help with symptoms related to physical discomfort and systemic imbalance. The core therapeutic benefit is to provide symptomatic relief, assisting patients in coping more steadily with difficult episodes.

Ease of Mild-to-Moderate Pain and Everyday Aches

Paradol is applied across domains where additional symptomatic support is needed for acute episodes of mild-to-moderate pain. It is considered relevant for easing symptom clusters that may become intense or disruptive, such as headaches, muscle aches, and menstrual cramps. It generally helps ease the overall burden of symptoms associated with acute or episodic changes.

Management of Fever and Systemic Discomfort

The medication is relevant in clinical settings that involve acute or unstable symptom patterns, where additional symptomatic support is needed, particularly when an infection or illness causes elevated body temperature (fever). It is commonly used across conditions presenting with acute episodes like colds and influenza, where groups of symptoms may become intense or disruptive. In these scenarios, it supports patients during phases of increased distress.

Quick Fact: Supportive Symptom Easing

Paradol is generally considered relevant for easing symptoms in specific groups like pediatric patients and pregnant women, providing supportive therapeutic benefit across domains where short-term symptomatic assistance is appropriate.

Regulatory References

  1. NIH MedlinePlus Medical Encyclopedia overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Paradol? — Official Regulatory Information

The eligibility profile for Paradol (Paracetamol/Acetaminophen) is determined by absolute prohibitions, age criteria, and pre-existing medical conditions, as defined by regulatory authorities.

Absolute Contraindications

Paradol is contraindicated and must not be used in the following populations:

  • Patients with known hypersensitivity to the active substance or its excipients.
  • Individuals with severe hepatic impairment or severe active liver disease.

Condition-Based and Age Restrictions

Use is restricted or requires special caution in several populations:

  • Organ Function: Patients with severe renal insufficiency are eligible but must extend the minimum interval between administrations to at least six hours. Caution is also advised for those with mild to moderate hepatic insufficiency.
  • Lifestyle/Comorbidity: Caution is required in patients with chronic alcoholism, chronic malnutrition, or severe hypovolemia, often necessitating a reduction in the maximum daily dose.
  • Age Groups: Safety and effectiveness for acute pain are not established for certain formulations in pediatric patients younger than two years of age. Older adults (geriatric patients) may use the medicine without general dose modification, as no overall difference in safety or effectiveness has been observed.

Pregnancy and Lactation

Use during pregnancy is permitted when clinically needed, provided it is at the lowest effective dose for the shortest possible duration. The medicine is excreted in breast milk, but its use during lactation is generally not contraindicated in regulatory documents.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Paradol (Paracetamol/Acetaminophen) interaction patterns are officially documented and classified based on effects on drug clearance, absorption, and potentiation, as defined by regulatory authorities.

Documented Pharmacokinetic and Clearance Interactions

The simultaneous use of several medicinal products can alter Paradol's plasma exposure. Probenecid is documented to inhibit Paradol's clearance, which significantly increases its plasma concentration. Conversely, Metoclopramide and Domperidone accelerate the rate of absorption, while Cholestyramine reduces absorption. Regulatory documents mandate separation of administration: Paradol must be taken at least 1 hour before or 4 hours after Cholestyramine.

Co-administration with enzyme-inducing medicinal products such as Phenytoin, Carbamazepine, and Rifampicin increases Paradol's metabolism, which officially elevates the potential for hepatotoxicity.

Pharmacodynamic and Substance Interactions

Paradol is strictly contraindicated with any other product containing Paracetamol or Acetaminophen to prevent exceeding the maximum safe dose and causing severe liver damage. The prolonged, regular daily use of Paradol is documented to enhance the anticoagulant effect of Vitamin K antagonists (e.g., Warfarin), increasing the risk of bleeding. Furthermore, regulatory labels warn that the chronic, heavy consumption of alcohol officially increases the susceptibility to severe liver injury.

Mechanism of Action

How Paradol Works

Paradol is an analgesic and antipyretic agent whose mechanism of action (MoA) centers on activity within the central nervous system (CNS). The primary biological target involves the inhibition of cyclooxygenase (COX) enzymes, particularly the COX-3 isoform hypothesized to exist predominantly in the brain and spinal cord.

This molecular interaction type leads to the pathway modulation of prostaglandin synthesis. Prostaglandins are lipid compounds that act as local mediators of inflammation and pain signaling. By inhibiting their formation in the CNS, Paradol reduces the sensitization of nociceptors and modulates descending pain pathways. This mechanistic cascade modulates the central transmission of pain signals.

At the system level, the resulting physiological consequence is the action of lowering elevated body temperature. This antipyretic effect is achieved by modulating the set point of the thermoregulatory center in the hypothalamus, which is often increased during fever due to pyrogen-induced prostaglandin release. The drug directly interferes with this central signaling process.

Dosage and Administration Information

Official Administration Guidelines for Paracetamol / Acetaminophen

Standard instructions govern the safe use of paracetamol (also known as acetaminophen), detailing specific rules for dosing, frequency, and administration route. The medicine is available for Oral (tablets, liquid), Rectal (suppositories), and Intravenous (IV) use, typically administered as a 15-minute infusion in clinical settings.


Dosing Schedule and Maximum Limits

Population Single Dose Range Minimum Dosing Interval Maximum Daily Dose (Total)
Adults (ge 50 kg) 500 mg to 1000 mg 4 hours 4000 mg (4 g)
Children/Adolescents Determined by weight (10 mg/kg to 15 mg/kg) 4 hours (generally) 75 mg/kg per day (up to max. adult dose)

Administration Rules

Administration Scope General Instructions
Timing in Relation to Meals May be taken with or without food.
Liquid/Suspension Preparation Shake the bottle well before measuring. Use only the dosing device provided (e.g., syringe) to ensure accuracy.
Missed Dose Rule Take the next dose only after the prescribed minimum time interval (e.g., 4 hours) has passed since the last dose. Do not double the dose to compensate.
Special Conditions Do not exceed the maximum daily dose cap, as this limit applies to all paracetamol-containing products used concurrently. Reduced dosing or prolonged intervals (e.g., 6 or 8 hours) are required for patients with specific conditions, such as severe renal impairment.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Paradol

Evidence for Use in Acute Pain (General Mild to Moderate)

Research examining Paradol for acute pain has primarily used short-term Randomized Controlled Trials (RCTs). These studies monitored outcomes related to physical discomfort, primarily focusing on how symptoms evolved in the observed populations over limited time intervals. Studies reported measurements related to pain and compared them against control groups. Some research described measured differences during the study period compared to placebo, and studies monitored the use of rescue medication. What remains uncertain is the full understanding of patterns observed over long time intervals for this agent. Follow-up durations were limited, meaning there is limited information for long-term outcomes.

Evidence for Use in Fever (Pyrexia)

Research has explored the use of Paradol for fever, a condition characterized by temporary physiological imbalance. These studies monitored outcomes related to systemic or functional imbalance and patient-reported outcomes describing perceived discomfort. Trials reported patterns related to changes in measured body temperature. However, the findings were mixed regarding the magnitude of temperature reduction compared to other options. Research provides insight into short-term changes, but the evidence level remains low regarding measured outcomes in adult populations with milder forms of fever.

Evidence for Use in Osteoarthritis (Knee/Hip)

The use of Paradol for the chronic pain associated with knee and hip osteoarthritis was studied for intermediate-term periods. Research examined changes in outcomes related to physical discomfort and outcomes reflecting daily functioning or activity level. Studies reported only small-scale changes in pain intensity scores compared to placebo. Long-term effects are not fully established. Data for certain groups remain insufficient, especially for those with severe osteoarthritis or multiple coexisting conditions, as these groups were typically not included in the main studies.

Evidence in Special Populations and Uncertainties

Research examining special populations, such as children, older adults, or those with other chronic conditions, is often more limited. Data for certain groups remain insufficient. A primary uncertainty is the full characterization of patterns observed over long time intervals, as much of the evidence is derived from short time intervals. Evidence quality varies across studies, and the findings were mixed for several indications.

Key Studies & References

  1. Paracetamol is ineffective for acute low back pain even for patients who comply with treatment: complier average causal effect analysis of a randomized controlled trial
  2. Feverish illness in children Assessment and initial management in children younger than 5 years (NICE Guideline)

Frequently Asked Questions (FAQ)

Common questions about Paradol (FAQ)


Q: How fast does Paradol work for pain?

Based on clinical studies, Paradol typically starts to show an effect within 30 minutes to an hour. This timeframe is based on clinical data, but individual patient responses may vary.

For appropriate use, including dosing for different levels of pain, individuals should consult the product label or discuss specific needs with a healthcare professional.


Q: Can I take Paradol if I have high blood pressure?

Non-steroidal anti-inflammatory drugs (NSAIDs) like Paradol may, in some individuals, affect blood pressure. The decision to use Paradol with high blood pressure involves reviewing potential risks with a healthcare provider, especially for prolonged use.

Individuals with pre-existing conditions, including high blood pressure, are advised to discuss the use of NSAIDs with their doctor before starting the medication, as close monitoring may be required. Regulatory information for all pain relievers should be consulted for a full list of warnings and potential interactions.


Q: What is the best way to avoid stomach upset when taking Paradol?

Gastrointestinal (GI) side effects, such as stomach irritation, are a known risk with NSAIDs. Taking Paradol with food or milk is a common recommendation found in patient materials to help minimize this risk.

While this practice may help, it does not guarantee the prevention of all GI side effects, which may still occur. The product label often advises against taking this medication on an empty stomach. If you have a history of stomach upset, discuss the best approach for you with a healthcare provider.

How should Paradol be stored and disposed of?

How to Store and Dispose of Paradol

Paradol (paracetamol/acetaminophen) must be stored and discarded according to official regulatory requirements to ensure its stability and prevent accidental harm.

Storage Requirements

Condition Requirement
Temperature Store below 30°C (or 25°C), protected from heat.
Environment Protect from moisture and light.
Container Keep in the original container.
Child Safety Must be stored out of the sight and reach of children.

Disposal Instructions

Expired or unused Paradol should be disposed of using an official drug take-back program or mail-back service. If these are unavailable, the medicine should be mixed with an undesirable substance (such as dirt or coffee grounds) and sealed in a container before being placed in household trash. Disposal into sinks or toilets (wastewater) is prohibited unless the product is specifically listed as safe to flush by regulatory authorities.

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

Equivalent of Paradol found in:

A-Z Index: