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Paracetamol Adipharm

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Paracetamol Adipharm

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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.

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Overview of Paracetamol Adipharm

Paracetamol Adipharm is an over-the-counter (OTC) medication used for the temporary relief of mild to moderate pain and the reduction of fever. It belongs to the pharmacological class of non-opioid analgesics and antipyretics.

Quick Facts

Feature Details
Active Ingredient Paracetamol (Acetaminophen)
Typical Strength 500 mg per tablet
Manufacturer Adipharm (Bulgaria)
Status Over-the-counter (OTC) in many markets

Formulation and Differentiation

Its active ingredient, Paracetamol (also known as acetaminophen in the United States), is a compound that is classified as an essential medicine. Its primary mechanism of action is central, making it effective for fever and pain, but it possesses only mild anti-inflammatory properties, distinguishing it from NSAIDs like ibuprofen.

Paracetamol Adipharm is typically available as a 500 mg oral tablet and is manufactured by the Bulgarian pharmaceutical company Adipharm. The tablets are white to off-white, round, and feature a score line, allowing them to be divided into two equal halves to facilitate precise dosing, especially when a half-dose is clinically appropriate. The formulation contains excipients such as lactose monohydrate and sodium starch glycolate, which help the tablet dissolve and release the active ingredient for absorption.

Paracetamol Adipharm is widely available across several countries in Eastern Europe and Central Asia as an accessible option for common conditions like headache, toothache, minor muscular or joint pain, and to alleviate fever associated with viral or bacterial infections. It is a suitable option for individuals seeking pain and fever relief who may need to avoid or use caution with non-steroidal anti-inflammatory drugs.

Regulatory References

  1. World Health Organization (WHO) as an Essential Medicine
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What side effects are possible with Paracetamol Adipharm?

Possible Side Effects and Safety Information

The safety profile of Paracetamol Adipharm, based on official regulatory labeling, highlights the critical concern of hepatotoxicity (severe liver damage), which is primarily associated with exceeding the maximum total daily dose or using the medicine concurrently with other products containing paracetamol or acetaminophen. This constraint is the key safety limitation enforced across regulatory agencies.


Adverse reactions are classified by frequency, demonstrating the typical regulatory approach to communicating risk:

  • Rare (ge 1/10,000 to < 1/1,000 users): Includes various hypersensitivity reactions, such as skin rash.
  • Very Rare (< 1/10,000 users): Includes severe blood disorders (e.g., thrombocytopenia) and life-threatening Serious Cutaneous Adverse Reactions (SCARs), such as Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN).

Officially documented adverse effects are grouped into specific system-organ classes, principally affecting the Hepatobiliary System, Blood and Lymphatic System, and Skin and Subcutaneous Tissue. Serious adverse reactions primarily encompass acute liver failure and the documented SCARs.

Safety statements include specific considerations for patient populations. The product is contraindicated in individuals with severe hepatic impairment. Caution is necessary for those with severe renal impairment and individuals with risk factors for glutathione depletion, such as chronic malnutrition, or those consuming large amounts of alcohol, due to the increased risk of liver damage. Furthermore, prolonged regular daily use may enhance the effects of oral anticoagulants, increasing the risk of bleeding.

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Overdose and Emergency Response

Suspected overdose of Paracetamol mandates immediate professional intervention, even if the patient appears well, due to the critical risk of delayed hepatotoxicity. Initial manifestations are often non-specific, including pallor, nausea, and vomiting. However, the primary life-threatening outcome is severe liver injury (hepatic necrosis), which can progress to fulminant hepatic failure, acute renal failure, and death. The physiological systems primarily affected are the hepatobiliary and renal systems.

The overdose profile highlights the critical role of timing in management. Treatment efficacy relies on the specific antidote N-acetylcysteine (NAC), which is maximized when administration begins within eight hours of acute ingestion. Management requires urgent hospitalization for monitoring, including measurement of the plasma Paracetamol concentration and liver function tests (INR, transaminases). Supportive and symptomatic treatment may also be required.

Official regulatory guidelines state that individuals must seek immediate medical attention or contact a Poison Center right away, regardless of symptom presence. A heightened risk of severe toxicity is noted for populations with depleted glutathione stores, such as those with chronic alcoholism or malnutrition, requiring increased clinical vigilance.

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Therapeutic Uses of Paracetamol Adipharm

What Paracetamol Adipharm Treats: Main Uses and Benefits

Paracetamol Adipharm is generally used in situations involving certain distressing symptoms and applied across domains where additional symptomatic support is needed, primarily for symptoms related to physical discomfort and systemic imbalance. It is commonly used for managing symptoms associated with mild to moderate pain manifestations, including tension headaches, dental pain (toothache), and musculoskeletal aches in the back, joints, and muscles. The compound is applied in clinical settings that involve acute or unstable symptom patterns, assisting the patient with maintaining functional stability. This use is relevant in scenarios where acute manifestations interfere with function, supporting patients during episodes of heightened discomfort.


The medication is also utilized to lower an elevated core body temperature, generally providing a key supportive benefit in conditions marked by increased physiological stress, such as the common cold and influenza. It helps manage symptom clusters like high temperature and generalized body aches that often accompany feverish states, commonly contributing to improved comfort during periods of heightened symptoms.

Quick Fact: Relief for Fever and Aches

Paracetamol Adipharm is relevant when symptoms become temporarily overwhelming, offering an alternative for patients who require management of pain and fever but may need to avoid or use caution with non-steroidal anti-inflammatory drugs (NSAIDs) due to concerns like stomach sensitivities. This use generally contributes to easing the overall symptom load during periods of heightened symptoms.

“The product is commonly used when short-term symptomatic assistance is needed and may assist with managing multiple symptoms that appear suddenly or fluctuate.”

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Eligibility and Restrictions for Use

Eligibility and Contraindication Status

This medication is a general paracetamol product and is contraindicated (must not be used) if you have a known hypersensitivity or allergy to paracetamol or any of the product's inactive ingredients. Use is also formally prohibited for individuals with severe and active liver disease.

Use is not recommended for children under 10 years of age.

Special consideration and caution are required for patients with severe renal impairment, severe hepatic impairment, or non-cirrhotic alcoholic liver disease, as these conditions increase the risk of toxicity and overdose. Chronic alcohol abuse also requires careful attention due to heightened overdose hazard. These patients must seek medical advice before use.

Population Group Eligibility Status (Regulatory)
Hypersensitivity/Allergy Contraindicated
Severe Liver Disease Contraindicated
Children under 10 years Not Recommended
Severe Renal Impairment Caution/Special Consideration
Severe Hepatic Impairment Caution/Special Consideration
Pregnancy Can be used if clinically needed, at the lowest effective dose for the shortest duration.
Lactation (Breastfeeding) Not Contraindicated (Excreted in non-significant amounts)

During pregnancy, the medicine is permitted if clinically needed, but regulatory guidance strictly advises using the lowest effective dose for the shortest possible duration. Available data does not contraindicate use during breastfeeding.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents describe specific interaction patterns for Paracetamol Adipharm, primarily concerning its metabolism, elimination, and additive effects. A formal contraindication exists against co-administration with any other medicinal product containing paracetamol (acetaminophen) due to the severe risk of accidental overdose and subsequent acute liver failure. This restriction is absolute and based on additive toxicity.

Pharmacokinetic and Pharmacodynamic Interactions

Interaction Type Interacting Substances (Examples) Official Regulatory Effect
Metabolic Risk Enzyme Inducers (e.g., Rifampicin, Carbamazepine, St. John's Wort) Increased risk of hepatotoxicity due to enhanced formation of toxic metabolites.
Absorption Rate Metoclopramide, Domperidone Increased speed of paracetamol absorption.
Clearance Reduction Probenecid Reduces paracetamol clearance, leading to increased plasma concentrations.
PD Enhancement Warfarin and other Coumarins Enhances anticoagulant effect and risk of bleeding with prolonged, regular use.

Furthermore, the official label notes that concurrent intake with Flucloxacillin is associated with a risk of high anion gap metabolic acidosis. For substances that reduce absorption, such as Cholestyramine, official regulatory advice specifies that administration should be separated by at least one hour. Patients with chronic alcohol consumption or underlying severe hepatic impairment are identified as populations with a heightened risk profile for toxicity.

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Mechanism of Action

Central Enzyme Inhibition and Thermoregulatory Effects

This domain covers the drug's primary mechanism for influencing thermoregulation by targeting Cyclooxygenase (COX) enzymes within the hypothalamus of the Central Nervous System (CNS). By selectively inhibiting COX in this low-peroxide environment, the molecule reduces the synthesis of PGE2, which contributes to the functional reversal of the elevated thermoregulatory set point.

Potentiation of Descending Antinociceptive Signaling

This second mechanism, which governs the modulation of pain signals, involves the drug's metabolism to an active metabolite, AM404. AM404 modulates the central Endocannabinoid System and activates the TRPV1 receptor, leading to the indirect activation of CB1 receptors. This cascade strengthens the descending antinociceptive pathways, thereby modulating the ascending nociceptive signal transmission as it travels up the spinal cord.

Mechanistic Selectivity and Peripheral Functional Limitations

The drug's mechanism possesses a high degree of selectivity due to its sensitivity to local oxidative stress (peroxides). This constraint means the COX inhibitory action is functionally weak in the high-peroxide environment of peripheral inflammatory tissues. This mechanistic limitation results in negligible functional COX inhibition in localized peripheral inflammatory tissues.

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Dosage and Administration Information

How to Use Paracetamol Adipharm

The use of Paracetamol Adipharm 500 mg tablets follows standard administration guidelines. The formulation is intended exclusively for oral administration. The tablets are often scored, facilitating division into two 250 mg halves for precise dose administration when necessary.


Dosing and Frequency Protocol

The standard adult single dose is 500 mg to 1000 mg (one to two tablets). The maximum total daily dose is generally capped at 4000 mg over a 24-hour period. A minimum interval of 4 hours must elapse between consecutive doses to ensure the body clears the active ingredient adequately, and doses should not be repeated more often than every 4 to 6 hours as required. The medication may be taken with or without food; administration without food may result in a faster onset of action.


Usage Constraints and Adjustments

The medication is intended for short-term symptomatic use. Usage for self-medication is typically limited to 5 days for pain or 3 days for fever before professional guidance is required. A critical constraint is the prohibition of concurrent use with any other product containing paracetamol (acetaminophen). Dose adjustments are necessary for patients with impaired renal function, requiring the dosing interval to be prolonged to 6 or 8 hours depending on the severity of the impairment, ensuring appropriate systemic clearance.

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Recent Clinical Evidence

Research Evidence / Overview of Studies for Paracetamol Adipharm

Evidence for Fever Reduction (Antipyretic Effect)

Paracetamol Adipharm was studied for outcomes related to physiological strain or stress when an elevated core body temperature is present. Studies conducted include Randomized Controlled Trials (RCTs) and comprehensive systematic reviews that examined changes in core body temperature and patient-reported outcomes describing perceived discomfort. High-level evidence data show patterns related to measured changes in core body temperature during acute, short-term use.

However, the evidence is limited when specifically exploring its use alongside other common agents in studies involving children. Furthermore, long-term effects are not fully established, as research primarily focuses on short follow-up durations of 24 hours or less.

Evidence for Acute Mild to Moderate Pain Relief

Research has extensively explored whether paracetamol was associated with changes in outcomes related to physical discomfort across a variety of acute, short-term scenarios. The evidence base includes numerous RCTs and meta-analyses that examined changes in pain intensity using standardized measures, as well as the consumption of concurrent pain-relieving agents. The research describes patterns related to measured changes in pain intensity scores observed in some studies focusing on short-term use.

Specific Studies for Musculoskeletal and Joint Pain

Paracetamol was evaluated in studies focused on specific musculoskeletal conditions, notably osteoarthritis affecting the knee and hip joints. Findings from these higher-level studies describes patterns related to measured changes in pain scores observed in some studies for conditions like knee and hip osteoarthritis. However, high-quality research exploring acute low back pain data show patterns related to an absence of measured change in pain outcomes, highlighting that results apply only to the populations studied.

Evidence Gaps and Research Uncertainty

Specific research was conducted during periods of increased symptom activity in children to evaluate their responses, but for conditions like acute ear pain, the evidence is limited by small sample sizes and low certainty. The current evidence landscape highlights what is known—and what is still uncertain. Comparative evidence is lacking for many situations, and data are still emerging for many long-term or niche uses.

Key Studies & References WHO Model List of Essential Medicines (22nd List, April 2021)

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Frequently Asked Questions (FAQ)

Common questions about Paracetamol Adipharm (FAQ)

Q: Is Paracetamol Adipharm the same as regular paracetamol?

A: Regulatory documents state that the active ingredient in Paracetamol Adipharm is Paracetamol, also known as Acetaminophen. This is the same pharmaceutical compound found in other paracetamol products.

The difference lies in the specific manufacturer (Adipharm), the trade name, and the inactive ingredients (excipients) used in this specific tablet formulation.

Q: What is the difference between Paracetamol Adipharm and other pain relievers?

A: Official documents describe that paracetamol's mechanism of action works mainly in the central nervous system (the brain and spinal cord) to help with pain and fever.

This central action is described as giving it only mild anti-inflammatory effects in the rest of the body, which is a key distinction from other types of pain relievers, such as non-steroidal anti-inflammatory drugs (NSAIDs).

Q: Does Paracetamol Adipharm contain aspirin?

A: Regulatory documents confirm that the sole active ingredient in this medicine is Paracetamol.

Official information describes this product as not being a combination medicine containing aspirin.

Q: How quickly does Paracetamol Adipharm usually start to work?

A: Studies on oral formulations indicate that the medicine is absorbed relatively quickly.

The maximum concentration of the active ingredient in the blood is typically reached within 30 to 60 minutes after taking the tablets.

Q: How long do the effects of Paracetamol Adipharm last?

A: The general pain and fever-reducing effects of the medicine usually last for 4 to 6 hours.

Official studies describe the antipyretic (fever-reducing) effect as lasting at least 6 hours.

Q: Is a slight stomach upset a normal side effect of Paracetamol Adipharm?

A: Nausea, vomiting, and abdominal pain are noted among the documented possible adverse reactions to paracetamol in regulatory sources.

Regulatory documents classify these effects as uncommon or very rare when the medicine is used at the recommended dose.

Q: What happens if I forget to take a dose of Paracetamol Adipharm?

A: Official guidance advises that if a dose is forgotten, it should be taken as soon as remembered, unless it is almost time for the next dose.

Official guidance further describes that a double dose should not be taken to compensate for a missed dose.

Q: Is it safe to take Paracetamol Adipharm before driving?

A: Official regulatory documents indicate that paracetamol is described as having no or negligible effect on an individual’s ability to drive or to operate machinery.

Q: Can Paracetamol Adipharm make you drowsy?

A: Sedation, which is a state of calm or sleepiness, is listed in regulatory documents as a possible adverse reaction.

It is classified as a rare or very rare side effect.

Q: What foods should be avoided when taking Paracetamol Adipharm?

A: Regulatory documents do not list any specific foods that must be avoided when taking this medicine.

Regulatory information indicates the medicine can be taken with or without food.

Q: Is Paracetamol Adipharm safe for teenagers to take?

A: Official information indicates that the medicine is indicated for use in adolescents aged 12 years and above.

Regulatory documents specify that the appropriate dose for teenagers is dependent on their age and body weight, often aligning with the adult dose for those 16 years and over.

Q: Can older adults use Paracetamol Adipharm?

A: Official documents note that the metabolism of paracetamol is generally not modified in elderly individuals compared to younger adults.

Typically, no specific dose adjustment is required for older adults based on age alone.

Q: What are the signs of taking too much Paracetamol Adipharm?

A: In the first 24 hours following an overdose, documented symptoms may include pallor (unusual paleness), nausea, vomiting, loss of appetite, and abdominal pain.

The onset of signs related to liver damage is described as sometimes not being apparent until 12 to 48 hours later.

Q: Is it possible to become dependent on Paracetamol Adipharm?

A: Regulatory sources address a risk of medicine-overuse headache (MOH) developing after prolonged, frequent use of pain relievers, including paracetamol.

Upon stopping the medicine following such use, temporary withdrawal symptoms may be experienced.

Q: What distinguishes Paracetamol Adipharm from generic paracetamol?

A: Paracetamol Adipharm is a brand name product manufactured by the company Adipharm, while generic paracetamol is sold under its chemical name.

Although the active ingredient is identical, brand-name and generic products can differ slightly in their non-active ingredients (excipients) and physical formulation.

Q: How does Paracetamol Adipharm compare in strength to ibuprofen (without making a claim)?

A: Paracetamol is classified differently from non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen.

Regulatory documents state that paracetamol’s mechanism results in it having only mild or negligible anti-inflammatory properties at the site of peripheral injury.

Q: Can Paracetamol Adipharm affect my ability to fall asleep?

A: Sedation, which is a state of calm or sleepiness, is listed in regulatory documents as a possible adverse reaction.

It is classified as a rare or very rare side effect.

Q: What should I do if a rare side effect occurs while taking Paracetamol Adipharm?

A: Official government health authorities, such as the MHRA, have established processes for the reporting of suspected adverse reactions or side effects that occur while taking the medicine.

This process is in place to continually monitor the medicine's benefit and risk profile.

Q: Is Paracetamol Adipharm effective for nerve pain?

A: Official indications for the medicine include the symptomatic treatment of mild to moderate pain.

This is specifically documented in regulatory sources to cover conditions such as neuralgia (nerve pain).

Q: Is it important to take Paracetamol Adipharm at the same time every day?

A: Official instructions emphasize two main timing factors: a minimum interval of 4 hours must elapse between consecutive doses, and the total maximum daily dose must not be exceeded.

There is no regulatory requirement to take the medicine at the exact same clock time every day, only that the minimum interval is respected.

Q: Why do doctors commonly recommend paracetamol for pain management?

A: Regulatory and authoritative guidance refers to its safety profile when used correctly, which makes it a widely used option.

Paracetamol is often recommended as a preferred pain reliever for many populations due to its suitability as an alternative for individuals who must avoid or use caution with non-steroidal anti-inflammatory drugs (NSAIDs).

Q: What is the general safety classification of Paracetamol Adipharm?

A: Regulatory and authoritative guidance refers to its safety profile when used correctly, which contributes to its wide availability.

For example, it is mentioned as the preferred pain reliever for pregnant women, to be used at the lowest effective dose for the shortest duration, indicating its general status.

Q: Does Paracetamol Adipharm contain gluten or lactose?

A: Official regulatory documents confirm that the tablet formulation contains the excipient lactose monohydrate.

Formulations must list all non-active ingredients, and while specific gluten status may vary, the presence of lactose is confirmed by official sources.

Q: Are there specific instructions for use related to liver conditions (descriptive only)?

A: Official guidance describes that patients with impaired hepatic function (liver problems) or Gilbert's syndrome should seek professional medical advice before using the medicine.

This is because dose adjustments may be required, or the interval between doses may need to be prolonged.

Q: Is Paracetamol Adipharm ever used for menstrual cramps?

A: Official indications for the medicine include the symptomatic treatment of mild to moderate pain.

This is specifically documented in regulatory sources to cover conditions such as period pains.

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How should Paracetamol Adipharm be stored and disposed of?

How to Store and Dispose of Paracetamol Adipharm?

Paracetamol Adipharm must be stored according to mandatory conditions defined in the official labeling to ensure its stability.

Storage Requirements

Condition Requirement
Temperature Store at a temperature below 25 C
Protection Protect from light and moisture
Container Keep the tablets in their original container
Child Safety Keep out of the sight and reach of children

Disposal Instructions

To prevent environmental contamination, unused or expired Paracetamol Adipharm must not be disposed of via wastewater or household waste. The medicine and any waste material must be discarded strictly in accordance with local requirements for pharmaceutical waste.

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

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