Analgan

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Medically reviewed

Marina Burgos

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 Analgan

Property Description
Active Ingredient Acetaminophen (Paracetamol)
Pharmacological Class Analgesic and Antipyretic
Principal Forms Tablet, Capsule, Liquid, Suppository
Common Use Symptomatic relief of pain and fever
Origin Synthetic

What Type of Medicine is Analgan?

Analgan, which is defined here as a pharmaceutical product containing the single active substance Acetaminophen, is a synthetic medicine officially classified as an Analgesic (pain reliever) and Antipyretic (fever reducer). The chemical substance, N-acetyl-para-aminophenol, is internationally recognized by the nonproprietary name Paracetamol. This confirms that both names refer to the exact same compound. The pharmacological distinction of Analgan is that it is a non-opioid compound; this categorization separates its mechanism and safety profile from that of narcotic pain relievers. The medicine is used for the management of acute, mild-to-moderate pain conditions.

Composition, Forms, and General Purpose

The composition of Analgan features Acetaminophen as the sole active compound, which is combined with standard excipients to create various forms suitable for administration. This medication is available as a single-ingredient product in multiple preparations, typically including Tablets, Capsules, Liquid solutions, and Suppositories, allowing for flexible routes of administration based on patient needs or preference. Acetaminophen's primary effects are achieved by acting centrally in the brain to reduce the sensation of pain and to reset the body's elevated temperature. This central action defines the therapeutic purpose of Analgan: providing focused symptomatic relief for generalized minor aches and fever, such as that accompanying a common cold or influenza.

What side effects are possible with Analgan?

Possible Side Effects and Safety Information

The official safety information for Analgan (Acetaminophen/Paracetamol) primarily focuses on the potential for hepatic injury (liver damage) and the classification of adverse reactions across body systems, as documented by regulatory authorities (EMA, FDA). This information is structured to communicate the medicine’s risk profile without providing clinical advice.

Adverse Reaction Scope

The safety profile centers on the risk of Acute Liver Failure (ALF), a severe, dose-dependent toxicity that can occur when the maximum recommended daily dose is exceeded. Symptoms of liver injury may be delayed, sometimes appearing 48 to 72 hours after an event.

Adverse effects are classified by regulatory frequency and System-Organ Class (SOC):

Classification Examples of Effects System Organ Class (SOC)
Common Increased hepatic enzymes, headache, nausea, vomiting, rash. Hepatobiliary, Nervous, Gastrointestinal, Skin
Rare/Very Rare Thrombocytopenia, Anaphylactic reactions, Severe Cutaneous Adverse Reactions (SCARs). Blood, Immune System, Skin

Serious Adverse Reactions and Safety Constraints

Serious adverse reactions documented in official labeling include ALF, Anaphylactic Shock, and SCARs such as Stevens-Johnson Syndrome (SJS). The medicine is contraindicated in individuals with severe hepatic impairment or severe active liver disease. Caution is also required in cases of severe renal impairment. Regulatory documents stipulate that Analgan must be immediately discontinued at the first sign of a rash or other hypersensitivity symptoms.

Overdose and Emergency Response

Analgan Overdose Manifestations and Severe Outcomes

Overdose involving Analgan (Acetaminophen/Paracetamol) is officially documented for its potential to cause severe Liver damage (Hepatotoxicity), which can progress to Acute Liver Failure and a potentially fatal outcome. Initial manifestations may be non-specific, including nausea, vomiting, paleness, and general malaise. A critical regulatory note is that clinical signs of severe toxicity, such as jaundice, abdominal pain in the upper right side, and coagulopathy, may be delayed for up to 24 hours or more after ingestion. The severe outcomes are focused on the hepatic, renal, and central nervous systems.

Mandatory Emergency Action

Governmental guidance mandates that individuals must seek immediate medical attention or contact emergency services (Poison Control) as soon as an overdose is suspected. This required action must be taken regardless of symptoms, due to the critical nature of the delayed effects. The regulatory profile notes that individuals with pre-existing liver disease or chronic alcohol use have an increased susceptibility to severe hepatic injury. Hospital monitoring and continuous observation of clinical status and blood parameters are required for assessment.

Antidote and Procedural Steps

The official overdose protocol involves the administration of the specific antidote, N-acetylcysteine (NAC). This treatment is maximally protective if initiated within the initial hours post-ingestion. Management further requires supportive treatment and laboratory monitoring of blood parameters, including serum acetaminophen levels and liver function tests, utilizing tools like the Rumack-Matthew Nomogram for risk prediction.

Therapeutic Uses of Analgan

What Analgan Treats: Main Uses and Benefits

Analgan (Acetaminophen/Paracetamol) is applied for symptomatic support, which supports easing symptoms across two main domains: easing various pain types and is used for managing symptoms related to systemic imbalance, such as fever. Its role supports patients, and it may assist with maintaining functional stability when symptoms are more noticeable.

The medicine is utilized for mild to moderate pain and to help reduce fever. This application may assist in managing symptom intensity across acute clinical presentations.


Easing Pain and Feverishness

Analgan is commonly used to help with symptom clusters related to physical discomfort that may intensify temporarily. This addresses symptoms associated with acute or episodic changes such as headache, toothache, muscular aches, and temporary discomfort like period pain (dysmenorrhea). It is also applied in scenarios where additional management of discomfort is required following minor procedures, supporting patients during difficult episodes. Furthermore, it is relevant for easing elevated body temperature and other systemic symptoms, such as aches and general malaise, notably in conditions where symptoms may intensify temporarily, such as colds and influenza.

“A main benefit is providing support that helps ease the overall symptom burden, contributing to improved comfort during periods of heightened symptoms.”


Quick Fact: Supportive Management for Episodic Discomfort

Analgan is applied in situations involving recurrent or episodic manifestations, applied as short-term supportive symptom management for diverse patient groups including adults, children, and those with gastrointestinal sensitivities.

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Who Can and Cannot Use Analgan?

The eligibility profile for Analgan (Acetaminophen/Paracetamol) is defined by official regulatory documentation and is based on a patient's physiological status and age.

Eligibility Status Patient Group or Condition
Contraindicated Known hypersensitivity to the medicine or its excipients. Severe active liver disease or severe hepatic impairment.
Conditional Use Severe renal impairment (requires caution; dose interval extension may be needed). Non-severe hepatic impairment or active liver disease. Chronic malnutrition or severe hypovolemia.

Age-Related Eligibility The medicine is generally permitted for use in adults and adolescents. However, use is not established for intravenous formulations in pediatric patients younger than two years of age. For certain oral formulations, use may not be recommended in children under ten years. Older adults typically show no overall differences in safety compared to younger subjects.

Pregnancy and Lactation Use during pregnancy is permitted if clinically needed, but must be at the lowest effective dose for the shortest possible duration. The medicine is generally considered compatible with breastfeeding at therapeutic doses.

What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Analgan

Interaction Scope

Category Official Regulatory Documentation
Medicinal product categories with documented interactions Enzyme inducers (e.g., antiepileptics), Coumarin derivatives, Prokinetics, Bile acid sequestrants, Uricosurics, Products containing Acetaminophen.
Mechanistic basis of interactions (only if stated in label) Pharmacokinetic: Altered clearance or absorption, Enzyme induction. Pharmacodynamic: Potentiation of anticoagulant effect.
Timing-based interaction rules (if applicable) Co-administration with Colestyramine requires separation by at least one hour.
Population-specific interaction notes (if applicable) Heightened susceptibility to adverse outcomes of metabolic interactions in patients with hepatic impairment.
Interaction-related restrictions Strict prohibition of co-administration with other products containing Acetaminophen.

Interaction Classifications (High-Level)

Classification Official Regulatory Documentation
Interaction severity classification (as defined in official documents) Contraindicated Combination (with other Acetaminophen products); Clinically Significant Interaction (e.g., Warfarin, Probenecid).
Interaction-context constraints (as defined in official documents) The pharmacodynamic interaction with Warfarin is noted specifically with regular, prolonged use.

Resulting Interaction Structure

Official interaction statements:

  • Prohibition of use with other products containing Acetaminophen prevents exceeding the dose limit.
  • The uricosuric Probenecid is documented to increase Analgan plasma exposure by reducing its clearance.
  • Warfarin's anticoagulant effect may be potentiated during regular, prolonged use, elevating the International Normalized Ratio (INR).
  • Substances classified as enzyme inducers (e.g., Carbamazepine, Rifampicin, and chronic heavy alcohol use) are stated to increase the risk of hepatotoxicity.
  • The absorption rate is accelerated by Metoclopramide and delayed by Propantheline; Colestyramine reduces absorption and requires a time separation rule.

Connection to the overall interaction profile (2–4 sentences): The regulatory documentation defines Analgan's interaction profile through mandatory prohibitions and strict timing constraints for certain co-administered agents. This structure is detailed by official statements on the pharmacodynamic potentiation of anticoagulants and the heightened hepatotoxicity risk associated with metabolic enzyme inducers. The profile strictly outlines these officially documented interaction patterns without providing clinical recommendations or therapeutic context.

Mechanism of Action

Analgan's mechanism involves mathbfinhibiting Cyclooxygenase (COX) enzymes primarily within the mathbfhypothalamus of the brain. This selective central action suppresses the synthesis of mathbfProstaglandin E2 ( PGE2), a key mediator that elevates the body's thermal setpoint, which initiates mathbfheat loss mechanisms and contributes to the reduction of the elevated thermoregulatory setpoint.

Concurrently, the drug's metabolite, mathbfAM404, acts in the CNS to mathbfmodulate the endocannabinoid system ( ECS) by inhibiting the enzyme mathbfFAAH. This process enhances the activity of the mathbfendogenous cannabinoid anandamide ( AEA) on mathbfCB1 receptors, which contributes to mathbfdescending inhibition of nociceptive signaling in the spinal cord and results in an elevated central pain threshold.

Importantly, the mechanism is significantly mathbfconstrained in the periphery by local biochemical factors, preventing effective inhibition of peripheral mathbfCOX enzymes. This functional constraint means Analgan does not alter the pathways responsible for mathbfperipheral inflammation or mathbfplatelet COX-1 activity, resulting in a negligible anti-inflammatory effect or impact on platelet function.

Dosage and Administration Information

How Analgan is Used: Administration Guidelines

Analgan (Acetaminophen/Paracetamol) administration is based on standardized protocols focusing on approved routes, precise dosing schedules, and time constraints. The medicine is available for use via the Oral route (as tablets, capsules, and liquids), the Rectal route (as suppositories), and through Intravenous (IV) infusion.

Oral forms may be taken with or without food. The total amount of Acetaminophen from all sources is strictly controlled, as the maximum total daily dose for adults weighing 50 kg or more is 4,000 mg in any 24-hour period.


Dosing and Frequency Patterns

The standard single oral dose for adults typically ranges from 325 mg to 1,000 mg. Doses are separated by a minimum time interval of 4 hours to 6 hours, and the use is designated for short-term management of acute symptoms. The IV formulation is administered as a 1,000 mg dose every 6 hours or 650 mg every 4 hours, delivered via a 15-minute intravenous infusion.


Population and Procedural Adjustments

Standard parameters include dosing adjustments for certain patient groups. For adults and adolescents weighing less than 50 kg, the dose is typically determined by body weight (e.g., 15 mg/ kg per dose). Furthermore, for patients with reduced renal function (GFR 10 to 50 mL/ min), the dosing interval is extended to every 6 hours. Special formulations, such as extended-release tablets, require specific administration, as they must be swallowed whole to preserve their release profile.

Recent Clinical Evidence

Research evidence / Overview of Studies for Analgan

Evidence Supporting the Relief of Acute Mild-to-Moderate Pain

Research related to Analgan was studied in research exploring outcomes related to physical discomfort, relying extensively on randomized controlled trials (RCTs). These studies were used in research exploring how symptoms change over time across populations with conditions characterized by fluctuating or episodic manifestations, such as discomfort following minor procedures, headache, or dental procedures. Findings describe patterns observed in the studies where participants exhibited differences in measured pain scores compared to those receiving a placebo, and some trials also monitored the use of rescue medication. The follow-up durations were limited, as these studies primarily focused on short-term changes; the durability of the observations is not fully established for extended use.

Evidence Supporting the Reduction of Fever

Analgan was studied in research examining temporary physiological imbalance, specifically elevated body temperature, which is an outcome linked to systemic or functional imbalance. The evidence primarily comes from numerous short-term RCTs and subsequent systematic reviews conducted during periods of increased symptom activity. These trials monitored physiological strain by assessing the core outcome of absolute temperature measurements and the duration of the observed temperature measurements. Findings indicate patterns related to a measured change in body temperature observed within a few hours of administration. Research, particularly in severe patient groups, sometimes reported inconsistent observations regarding overall patient outcomes beyond the immediate temperature measurements themselves, meaning the full clinical significance of this change remains uncertain.

Research on Chronic Pain Management

Systematic reviews examined trials where Analgan was studied using continuous dosing regimens for outcomes reflecting daily functioning in chronic conditions marked by functional limitations, such as osteoarthritis. The evidence is limited; research explored how symptoms evolved over intermediate-term use (typically around 6 to 12 weeks), but the reported results were often modest. Follow-up durations were limited for a condition that lasts a lifetime, and long-term patterns are not fully established for continuous use, resulting in low certainty regarding its role as a sustained treatment when used alone.

Key Studies & References

  1. Acetaminophen (Paracetamol): Drug Information Portal

Frequently Asked Questions (FAQ)

Common questions about Analgan (FAQ)


Q: How quickly does Analgan usually start working?

According to official pharmacokinetic data, the active ingredient in Analgan is rapidly absorbed by the body. Peak concentrations are typically observed approximately 30 minutes to 2 hours after a person takes an oral dose.


Q: How long does the effect of Analgan typically last?

Regulatory documents indicate that the duration of action for Analgan is generally noted to be approximately 3 to 4 hours. This duration is often the basis for recommended time intervals between doses.


Q: What are the most commonly reported side effects of Analgan?

Official product information, such as regulatory labeling, classifies common adverse reactions by the body system they affect. These typically include increased hepatic enzymes (related to the liver), headache, nausea, vomiting, and rash.


Q: What kind of warnings are listed for Analgan in official documents?

Key regulatory warnings focus on the potential for severe liver injury, including acute liver failure, which is a risk noted when the maximum recommended dose is exceeded. Warnings also exist for rare, severe cutaneous (skin) reactions.


Q: What should I know about Analgan before a planned surgery?

Regulatory information states that regular, prolonged use of Analgan's active ingredient may intensify the effect of certain blood thinners, such as warfarin. This potentiation can elevate the risk of bleeding. The interaction is relevant when discussing overall patient risk factors for any procedure.


Q: Are there any known issues with Analgan and caffeine consumption?

The primary safety warnings in official labeling focus on avoiding co-administration with other pain relievers and chronic alcohol use. Caffeine is not listed as a primary contraindication or interaction in standard single-ingredient product information, which primarily focuses on these other high-risk interactions.


Q: Does Analgan interact with alcoholic beverages?

Official regulatory warnings advise that chronic heavy alcohol use is documented to increase the risk of hepatotoxicity (liver damage). This risk is linked to a metabolic interaction involving certain enzymes.


Q: Is Analgan suitable for people with reduced kidney function?

Regulatory documents state that caution is required for patients with severe renal impairment (reduced kidney function). For patients with reduced renal function, dose interval adjustments may be advised.


Q: Is Analgan suitable for people with a history of liver problems?

The medicine is officially contraindicated (strictly advised against) for individuals with severe hepatic impairment or severe active liver disease. Caution is also required in cases of non-severe liver impairment or active liver disease, according to regulatory standards.


Q: What is the intended duration of use for Analgan?

Oral use of the medicine's active ingredient is generally designated for the short-term management of acute symptoms. Official labeling may note that use beyond a few days is not recommended without a reassessment by a healthcare professional.


Q: What is the difference between Analgan and similar non-prescription products?

Official descriptions highlight that Analgan works primarily in the central nervous system (the brain and spinal cord) to reduce pain and fever. Unlike similar nonsteroidal anti-inflammatory drugs (NSAIDs), its mechanism does not significantly affect peripheral inflammation or platelet function.


Q: Can Analgan be taken by people who have stomach sensitivities?

The medicine's mechanism does not affect the peripheral pathways that can cause stomach irritation or bleeding, which is a concern with other classes of pain relievers. Official documents state that oral forms may be taken with or without food.


Q: Is it common to feel a slight headache after taking Analgan?

Official regulatory documents list headache as a common adverse reaction in the Nervous System Organ Class. This indicates that a headache is a frequently reported experience.


Q: Can I take Analgan if I am taking over-the-counter cold medicine?

Regulatory documents strictly prohibit co-administration with any other products that contain the active ingredient in Analgan (Acetaminophen). This rule is in place to prevent a person from exceeding the maximum daily dose, which is associated with a severe risk of liver damage.


Q: Do food or certain meals affect how Analgan is absorbed?

Official guidance confirms that oral forms of the medicine may be taken with or without food. However, regulatory documents also note that absorption may be reduced if taken concurrently with certain bile acid sequestrants, requiring a specific time separation.


Q: Why is Analgan sometimes recommended over other pain relievers?

Official descriptions establish Analgan as an effective, non-opioid medicine for managing mild-to-moderate pain and fever. The profile is sometimes cited for situations where nonsteroidal anti-inflammatory drugs (NSAIDs) may be unsuitable.


Q: Are there any long-term studies on the safety of Analgan?

The safety of Analgan is well-documented for short-term use, but official research summaries note that evidence for its role in chronic (long-term) conditions is limited. Follow-up durations in related studies are noted as short, meaning long-term safety patterns for continuous use are not fully established.


Q: Does Analgan cause rebound headaches?

Medication overuse headaches (rebound headaches) are a potential concern documented with the long-term, frequent use of many common pain relievers, including this active ingredient, when used over extended periods.


Q: Is Analgan known to affect sleep patterns?

Official documentation for adverse reactions does not typically list drowsiness or insomnia as common or frequent effects. This indicates that the medicine is not generally associated with changes to sleep patterns.


Q: Is Analgan a non-habit forming medication?

Analgan is officially classified as a non-opioid analgesic and antipyretic. This regulatory classification separates it from narcotic pain relievers, which are associated with a documented risk of physical dependence or habit formation.


Q: Are there specific groups of people who should avoid Analgan completely?

Official regulatory documents define individuals who are contraindicated (should avoid use completely). This includes those with a known hypersensitivity to the medicine or its ingredients, or those diagnosed with severe active liver disease or severe hepatic impairment.


Q: Can Analgan be used for chronic pain management?

Official research summaries state that evidence supporting the use of the active ingredient for continuous chronic pain management is limited. Studies focused on chronic conditions often reported modest results, and long-term use patterns have not been fully established.


Q: Is it possible for Analgan to cause mood changes?

Mood changes are not typically listed in the common or frequent adverse reaction sections of official regulatory documentation. This is not documented as a common or frequent adverse reaction in official product information.


Q: Why do some people say Analgan did not work for their pain?

Official descriptions of the mechanism note that the medicine's activity is primarily focused centrally (in the brain and spinal cord) and does not significantly alter the pathways responsible for inflammation in the body’s periphery. This functional constraint may mean its effect is limited for pain strongly driven by peripheral inflammation.


Q: Does Analgan interact with herbal supplements like St. John's Wort?

While certain herbal supplements may not be explicitly listed, regulatory documents warn against co-administration with substances classified as enzyme inducers. These agents are documented to increase the risk of hepatotoxicity (liver damage).


Q: How is the effectiveness of Analgan measured in studies?

The medicine's effectiveness is assessed in research using objective metrics. These include measuring changes in pain scores, monitoring the use of rescue medication, and recording absolute temperature measurements for fever reduction.


Q: What clinical trials support the uses of Analgan?

Evidence supporting the medicine's approved uses relies primarily on data gathered from randomized controlled trials (RCTs) and subsequent systematic reviews. These studies have explored outcomes related to both pain and elevated body temperature in various populations.

How should Analgan be stored and disposed of?

The storage and disposal of Analgan (Acetaminophen/Paracetamol) must follow official governmental guidelines to maintain product integrity and prevent accidental exposure.

Storage Requirements

Condition Regulatory Mandate
Temperature Store at room temperature, typically between 20 C and 25 C (68 F and 77 F), or below 30 C for certain formulations.
Environment Keep the medicine away from excess heat and moisture; storage in bathrooms is generally prohibited.
Packaging Keep the medication in the original container and maintain the lid tightly closed to protect it from the environment.
Child Safety Mandatory instruction: Keep the product out of the sight and reach of children, utilizing locked safety caps.

Disposal Instructions

Regulators recommend utilizing an authorized drug take-back program (e.g., at pharmacies or police stations) to dispose of expired or unused Analgan. If a take-back program is unavailable and the product is not on the FDA flush list, the medication must be mixed with an undesirable substance, such as used coffee grounds, and placed in a sealed container before discarding it in the household trash. Do not flush the product down the toilet or pour it into a drain. All personal information should be scratched out from packaging prior to disposal.

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

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