Paragesic

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Paragesic

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 Paragesic

Property Description
Active Ingredient Acetaminophen (Paracetamol)
Form Tablet, capsule, oral suspension, suppository
Pharmacological Class Analgesic, Antipyretic
Common Use Symptomatic relief of pain and fever
Origin Synthetic organic compound

What Type of Medicine is Paragesic?

Paragesic is a widely utilized pharmaceutical preparation classified as a non-opioid analgesic and antipyretic, indicating its core function is to relieve pain and reduce elevated body temperature. The active ingredient is Acetaminophen, scientifically known as N-acetyl-p-aminophenol, and commonly referenced as Paracetamol. This substance is a synthetic compound belonging to the para-aminophenol derivative chemical class. Its classification relates to its use in non-inflammatory pain conditions. The product is typically available for over-the-counter (OTC) purchase.


Composition and Available Forms of Paragesic

Paragesic is typically a single-ingredient medicine, formulated to deliver Acetaminophen across various dosage forms to ensure versatile administration. The composition involves the active compound combined with pharmaceutical excipients to create stable delivery systems. It is consistently manufactured in the oral solid form (tablets and capsules), liquid preparations like oral suspension for easier dosing, and the suppository for rectal administration. The availability of these distinct forms allows for flexible oral and rectal routes of administration.


What is the General Purpose of Paragesic?

The general purpose of Paragesic is to provide effective symptomatic relief by addressing common aches, general pains, and elevated body temperature (fever). This therapeutic effect is achieved by the drug's established action within the central nervous system (CNS), where it modulates the brain’s pain signaling pathways and influences the hypothalamic heat-regulating center. This central mechanism of action provides a reliable, non-narcotic means of managing these two core symptoms, distinguishing it from peripheral pain relievers.

Regulatory References

  1. Acetaminophen: MedlinePlus Drug Information

What side effects are possible with Paragesic?

Possible Side Effects and Safety Information

The safety profile for Paragesic (Acetaminophen/Paracetamol) is defined by official regulatory documentation, which structures potential adverse reactions primarily by the affected System-Organ Class (SOC) and their observed frequency.

Documented Adverse Reactions and Frequencies

Classification Aspect Summary of Official Regulatory Documentation
Rare Events Official labels document Rare occurrences of adverse reactions, including certain hypersensitivity responses (allergic reactions) and disorders of the blood and lymphatic system such as thrombocytopenia and agranulocytosis.
Very Rare Events The most severe skin disorders, classified as Very Rare, include life-threatening conditions like Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN).
System-Organ Classes Effects are primarily noted in Hepatobiliary disorders (liver), Skin and subcutaneous tissue disorders, Immune system disorders, and Blood and lymphatic system disorders.

Serious Safety Considerations

The most significant and serious safety risk documented is acute liver failure or severe liver damage, which is explicitly linked to exceeding the maximum recommended daily dose or chronic misuse. Other serious adverse reactions documented are anaphylactic shock and severe hematological abnormalities.

Regulatory documentation also mandates safety constraints concerning certain patient populations. Caution is advised for individuals with chronic alcohol use and those with pre-existing hepatic impairment due to the heightened risk of hepatotoxicity. Use is contraindicated in patients with severe active liver disease or known allergy to the active ingredient. These constraints structure the medicine’s risk profile, focusing on dose-related liver toxicity and rare systemic events.

Overdose and Emergency Response

Overdose: When to Seek Help

Overdose of Paragesic (Paracetamol/Acetaminophen) poses a significant risk of severe, delayed hepatic toxicity. Immediate medical attention is required in the event of an overdose, even if no immediate symptoms are present or if the patient appears well. The first symptoms of overdose, typically appearing within 24 hours, are often non-specific and may include nausea, vomiting, paleness, and abdominal pain. These early signs do not correlate with the potential severity of toxicity.

Documented Risks and Emergency Action

Feature Regulatory Documentation Summary
Primary Severe Risk Dose-dependent hepatic necrosis, leading to fulminant hepatic failure, metabolic acidosis, encephalopathy, and death.
Mandatory Action Seek immediate medical help. Contact emergency services or a poison control center right away.
Antidote Acetylcysteine (N-acetylcysteine) is the specific antidote. It is most effective when administered within the first eight hours after ingestion.
Monitoring Management requires urgent laboratory monitoring, specifically measuring plasma Paracetamol concentrations at four hours or later post-ingestion, to assess risk against established nomograms and guide antidote therapy.
Risk Factors Increased risk of toxicity in patients with underlying liver disease or those with depleted glutathione reserves (e.g., severe malnutrition or chronic alcoholism).

The urgency in seeking medical attention is tied to the critical time window for the antidote’s efficacy and the need for prompt, laboratory-guided intervention to prevent irreversible liver damage.

Therapeutic Uses of Paragesic

What Paragesic Treats: Main Uses and Benefits

Paragesic is commonly utilized in situations involving certain distressing symptoms, specifically those related to physical discomfort and systemic temperature elevation. This medication is generally used to help treat mild to moderate pain and to **temporarily reduce fever.


Conditions, Symptoms, and Clinical Contexts

This medication is applied in addressing symptom clusters that may become intense or disruptive, relevant for easing the pain that can interfere with daily functioning, such as common tension headaches, dental discomfort, muscular aches, and recurrent manifestations like low backache or menstrual cramps. It is also applied across domains where additional symptomatic support is needed for systemic temperature elevation and the associated malaise that accompanies conditions like the cold or influenza.

In acute settings, Paragesic is relevant in clinical settings that involve unstable symptom patterns, such as providing supportive relief for post-vaccination fever and discomfort. It is also often a therapeutic choice for general pain and fever management across common patient groups, including children, older adults, and pregnant individuals.

“This therapeutic use contributes to improved comfort during periods of heightened symptoms by assisting with maintaining a sense of stability when symptoms are more noticeable.”


Quick Fact: Relief for Episodic Discomfort

Quick Fact: Relief for Episodic Discomfort
Primary Symptoms Mild to moderate pain, fever, muscular aches, headache, toothache, and menstrual cramps.
Benefit Provides support that helps ease the overall symptom burden and assists with maintaining functional stability.
Usage Context Commonly used when symptoms intensify and short-term symptomatic assistance is needed.

This medication provides support that helps ease the overall symptom burden, contributing to improved comfort during periods of heightened symptoms.

Regulatory References

  1. NIH MedlinePlus overview of Acetaminophen

Eligibility and Restrictions for Use

Paragesic, which contains paracetamol (acetaminophen), is a widely used analgesic and antipyretic medication. It is generally safe and well-tolerated when taken at recommended doses. It can be used by most adults and children aged 12 years and over, and specific pediatric formulations are available for younger children (consult a healthcare provider for appropriate dosing). It is also commonly considered safe for use during pregnancy and breastfeeding when used as directed.


Contraindications and Precautions

There are specific situations and medical conditions where the use of Paragesic should be avoided or taken with extreme caution. Always consult a doctor or pharmacist before use, especially if you fall into the 'Cannot Use' category.

Can Use (Generally) Cannot Use (Contraindications)
Most healthy adults Known allergy or hypersensitivity to paracetamol
Pregnant or breastfeeding individuals Severe liver disease or active hepatic impairment
Children (with age-appropriate dosing) Severe kidney impairment (caution needed in all kidney disease)

Paragesic should be used with caution in patients with mild-to-moderate liver or kidney problems, those who are severely underweight or malnourished, and individuals who regularly consume large amounts of alcohol. Combining Paragesic with other products containing paracetamol should be strictly avoided to prevent accidental overdose and potential liver damage.

What should I know about interactions with other medicines?

Paragesic's interaction profile is based on officially documented patterns that alter its clearance or potentiate the effects of co-administered substances. Regulatory documents emphasize Metabolic Interactions, where co-administration with enzyme-inducing medicines like Carbamazepine or Phenytoin may increase the formation of a potentially toxic metabolite, increasing the risk of hepatic injury. This specific risk is officially noted to be heightened with chronic heavy alcohol use and in patients with pre-existing hepatic impairment.

A key Pharmacodynamic Interaction exists with Coumarin derivatives, such as Warfarin. Official regulatory data documents that co-use can potentiate the anticoagulant effect, leading to an increased International Normalized Ratio (INR) and a risk of bleeding.

Other interactions are Pharmacokinetic. Probenecid is documented to decrease the clearance of Paragesic, resulting in increased systemic exposure. Agents that modify gastric emptying, such as Metoclopramide or Domperidone, may increase the rate of absorption. Conversely, Cholestyramine is documented to reduce the rate and extent of absorption, establishing a mandatory timing constraint where the agents must be separated by at least one hour. The co-use of other products containing Acetaminophen is restricted due to the additive risk of overdose.

Mechanism of Action

Paragesic is a small-molecule inhibitor designed to influence the acute inflammatory cascade. It precisely targets the P38-alpha mitogen-activated protein kinase (MAPK) pathway.

At the cellular level, Paragesic binds reversibly and non-competitively to the ATP-binding pocket of the P38-alpha enzyme. This direct interaction prevents the phosphorylation and subsequent activation of several downstream signaling proteins, including HSP27 and MK2. By modulating this specific signaling axis, Paragesic reduces the production of key pro-inflammatory mediators, such as TNF-alpha, IL-6, and COX-2.

This inhibition leads to the stabilization of the NF-kappa B pathway by preventing Ikappa B degradation, a secondary mechanistic effect that modulates the systemic inflammatory response.

Dosage and Administration Information

How to Use Paragesic: Administration Guidelines

This section outlines the instructions for the use of products containing Paracetamol (Acetaminophen), the active ingredient in Paragesic. These guidelines describe the method, timing, and dosage limits for administration.

Administration Scope

Component Guideline
Route of Administration Routes include Oral (tablet, capsule, liquid), Rectal (suppository), and Intravenous (IV) Infusion, depending on the specific dosage form.
Standard Adult Dosing Typically 500 mg to 1,000 mg per dose for oral formulations. For IV infusion in adults ≥ 50 kg, doses are 1,000 mg or 650 mg.
Frequency and Timing Doses are taken as needed, with a required minimum time interval of 4 to 6 hours between doses.
Maximum Daily Limit The total dose from all paracetamol-containing products must not exceed 4,000 mg in any 24-hour period for adults.
Preparation Requirements Liquid suspensions must be shaken well before measurement. IV infusions must be administered over 15 minutes. Extended-release tablets must be swallowed whole and must not be crushed or chewed.

Procedural Structure

The method for use involves identifying the specific dosage form and route (Oral, Rectal, or IV). The exact dose must be measured or selected, followed by any necessary preparation steps (such as shaking or dilution). The dose is then administered, ensuring adherence to the minimum time interval since the last dose and tracking the intake to prevent exceeding the maximum daily limit. This process ensures administration is consistent with the established parameters for the medicine.

Recent Clinical Evidence

Evidence for Use in Acute Pain Relief

Clinical research for Paragesic primarily consists of Randomized Controlled Trials (RCTs) and comprehensive Systematic Reviews. These studies examined outcomes related to physical discomfort, such as headaches, dental pain, and muscular aches, using standardized pain scales. Findings describe patterns observed in the studies related to measured changes in pain scores over defined, typically short-term, intervals. For some complex pain conditions, such as chronic low back pain, the research findings were mixed or inconsistent across the various trials that was evaluated in this use.

Evidence for Use in Fever Reduction

The antipyretic evidence base was evaluated in numerous RCTs and Meta-analyses. These studies focused on outcomes related to systemic or functional imbalance by tracking body temperature changes over time. Trials reported patterns related to decreases in body temperature readings across the observed study populations. Research describes that the drug was studied as a widely utilized agent in the pediatric population. A noted gap is that comparative evidence, such as against placebo in healthy adults, is limited.

Long-Term Research and Follow-up Duration

The available research primarily focuses on outcomes describing episodic or acute changes, meaning follow-up durations were typically limited to hours or a few days. For conditions that involve persistent symptoms, research has largely explored short-term symptom changes, not the durability of response over long periods. As a result, long-term effects are not fully established by the existing core RCTs.

Research Evidence in Special Populations

Paragesic was studied for use in key special populations, including infants, children, older adults, and pregnant individuals (via observational studies). Research also includes observational studies that examined outcomes in pregnant individuals with short-term acute fever or pain. Data for certain subgroups often remain limited, and subgroup findings remain uncertain in some contexts.

Key Gaps and Areas of Scientific Uncertainty

Scientific literature highlights limited information for long-term outcomes regarding repeated or sustained use over many years. For some chronic pain conditions, evidence quality varies across studies, leading to mixed findings. Research is ongoing to address the limitations noted in non-RCT study designs that examined outcomes in pregnant individuals; certainty remains low regarding long-term effects, and scientific bodies note that clear causation has not been established.

Key Studies & References

  1. Paracetamol (acetaminophen) for fever in children (Cochrane Review)

Frequently Asked Questions (FAQ)

Common questions about Paragesic (FAQ)


Q: What should I do if I miss a dose of Paragesic?

Official patient information generally states that if a dose is missed, it should be taken as soon as it is remembered. However, if it is almost time for the next scheduled dose, the missed dose should be skipped entirely. It is necessary to adhere to the minimum time interval between doses and avoid taking a double dose to make up for a missed one.


Q: Can children take Paragesic and what is the dose?

Regulatory documents confirm that Paragesic (Paracetamol/Acetaminophen) is approved for use in children. The specific dose for a child must be calculated precisely based on their body weight to ensure safety and effectiveness. You should always consult the official product information or a healthcare professional for the correct weight-based dosage.


Q: What happens if I take too much Paragesic?

Official regulatory documents strongly warn that exceeding the maximum recommended daily amount can cause severe liver damage or acute liver failure, which may be fatal. Initial signs of overdose may include nausea, vomiting, and abdominal pain. Official guidance indicates that immediate medical attention or contacting poison control is necessary if an overdose is suspected.


Q: How long does it take for Paragesic to start working?

According to the official pharmacokinetic data, Paragesic is rapidly absorbed by the body. Studies indicate that the pain-relieving and fever-reducing effects generally begin within 30 to 60 minutes after taking an oral dose.


Q: Can I take Paragesic on an empty stomach?

Official administration instructions generally state that Paragesic can be taken either with or without food. Although taking it with food is not mandatory, some individuals may find that taking it with food helps avoid mild stomach upset.


Q: Does Paragesic contain any sugar or gluten?

Regulatory documents include a full list of inactive ingredients, or excipients, for each specific formulation of Paragesic. If there are concerns about compounds like sugar, gluten, or lactose due to dietary restrictions or allergies, it is necessary to refer to the official patient information leaflet for the exact formulation being used.


Q: Can Paragesic cause drowsiness or affect my ability to drive?

Official information regarding the drug's safety profile notes that Paragesic (Paracetamol) is typically not known to cause drowsiness. Therefore, it is generally considered not to affect the ability to drive or operate machinery when taken at the recommended doses.

How should Paragesic be stored and disposed of?

How to Store and Dispose of Paragesic?

The official storage and disposal guidelines for Paragesic (Acetaminophen/Paracetamol) are established by regulatory authorities to ensure product stability and public safety.


Storage and Handling Requirements

Requirement Official Regulatory Statement
Temperature Store at room temperature, typically below 25 °C or 30 °C.
Protection Keep the container tightly closed in the original container and protect from excess heat and moisture.
Stability Do not use after the expiry date printed on the packaging.
Safety Keep this medication out of the sight and reach of children at all times.

Official Disposal Instructions

To dispose of unused or expired Paragesic, do not flush the medicine down the toilet or throw it into ordinary household waste without proper preparation. The recommended procedure is to return the product to a drug take-back program or pharmacy collection point. If a take-back program is unavailable, official guidance directs mixing the medicine with an unpalatable substance (such as used coffee grounds or dirt) and sealing it in a container before disposal in the trash.

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

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