Glotadol

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Medically reviewed

Laura Arias

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 Glotadol

Property Description
Active Ingredient Acetaminophen (Paracetamol)
Pharmacological Class Analgesic (Pain Reliever) and Antipyretic (Fever Reducer)
Common Form Oral Tablet/Capsule
Origin Synthetic Compound
Classification Non-opioid, Over-the-Counter (OTC)

What Type of Medicine is Glotadol?

Glotadol is the brand name for a common, single-ingredient non-opioid medicine whose active component is Acetaminophen, also known internationally as Paracetamol. It is classified primarily as an analgesic and an antipyretic. This drug is readily available as an Over-the-Counter (OTC) medication, positioning it as a fundamental choice for self-managing general discomfort. It is indicated for the treatment of mild to moderate pain and fever. The active ingredient is recognized for its role in providing fever relief.

Composition and General Purpose

The core of Glotadol is the synthetic chemical compound Acetaminophen. Glotadol is typically manufactured as an oral tablet or capsule but is also available in liquid or suppository forms for alternative routes of administration. Unlike some competitors, the Glotadol formulation often includes options specifically positioned for adult users or in formats like quick-dissolving tablets, catering to specific patient needs.

The general purpose of Glotadol is derived from its dual pharmacological actions. Acetaminophen’s effects are primarily central, distinguishing it from NSAIDs which have stronger anti-inflammatory properties. Glotadol’s benefit lies in its reliable and accessible ability to provide temporary relief, making it suitable for a typical use scenario like easing a headache or reducing a sudden fever.

Regulatory References

  1. MedlinePlus: Acetaminophen Information
  2. NIH: General Information on Acetaminophen

What side effects are possible with Glotadol?

Possible Side Effects and Safety Information

The safety profile of Glotadol (Acetaminophen/Paracetamol), as documented in regulatory sources such as the EMA Summary of Product Characteristics (SmPC) and FDA labeling, is structured around the potential for organ toxicity and rare, serious hypersensitivity reactions.


Officially Documented Adverse Reactions

Adverse reactions are predominantly classified as Rare or Very Rare, or noted as Frequency Not Known from post-marketing reports.

Classification (Regulatory Standard) System-Organ Class Documented Adverse Reactions
Rare Blood and Lymphatic System Thrombocytopenia, Leukopenia
Very Rare Immune System Anaphylactic Shock
Very Rare Skin and Subcutaneous Tissue Severe Cutaneous Adverse Reactions (SCARs)

Serious adverse reactions are explicitly highlighted in regulatory labeling. The primary concern is Acute Liver Failure/Severe Hepatic Injury, which is strongly associated with use that exceeds the maximum recommended daily amount (supratherapeutic dosing). Additionally, Severe Cutaneous Adverse Reactions (such as Stevens-Johnson Syndrome, SJS, and Toxic Epidermal Necrolysis, TEN) and severe Hypersensitivity Reactions are documented as rare but potentially life-threatening events.


Safety Constraints and Special Populations

Regulatory documents outline specific safety constraints. Glotadol is formally contraindicated in individuals with known severe hepatocellular insufficiency (severe liver impairment). Furthermore, the risk of liver damage is officially noted to be heightened in patients with chronic alcoholism and in those who concurrently use other products containing acetaminophen. Caution is also advised when treating patients with severe renal impairment.

Overdose and Emergency Response

Glotadol Overdose and When to Seek Help

Overdose with Glotadol (Acetaminophen) is officially documented as having the potential to cause severe and potentially fatal Hepatotoxicity. Regulatory labeling establishes Acute Liver Failure as the most serious documented outcome following ingestion of a potentially toxic dose.

Overdose Scope Official Regulatory Information
Documented Presentations Initial signs may be non-specific or absent, including Nausea, Vomiting, Pallor, and Anorexia. Evidence of liver injury, such as Jaundice and Right Upper Quadrant Abdominal Pain, typically develops after the initial 24 hours.
Physiological System Affected The primary system affected is the Hepatic System. Severe overdose can also lead to serious complications involving the coagulation system and acute renal tubular necrosis.
Risk Factors Increased risk of severe toxicity is documented in patients with chronic alcoholism, pre-existing hepatic impairment, or conditions involving severe malnutrition.

Emergency-Response Statement

Immediate medical attention is mandatory for any suspected Glotadol overdose, regardless of whether symptoms are currently present. This urgent response is required because severe, life-threatening liver damage may progress without obvious early signs, necessitating prompt intervention. Management is time-critical and requires hospital monitoring of plasma Acetaminophen concentration and the administration of the documented antidote, N-acetylcysteine (NAC). Early treatment significantly mitigates the risk of irreversible liver damage and death.

Therapeutic Uses of Glotadol

Glotadol (Acetaminophen/Paracetamol) is a widely used non-opioid medicine primarily used to provide symptomatic relief and supportive comfort in situations involving common, acute distress. Its therapeutic benefit is linked to its role across two main symptomatic domains: pain and fever. The medication is used to relieve pain from headaches, muscle aches, and to reduce fever.


Easing Acute and Musculoskeletal Pain Discomfort

Glotadol is commonly used for conditions characterized by periods of heightened symptoms that involve physical discomfort, particularly those classified as mild to moderate in intensity. Indications include common headache, backache, muscular aches, and pain associated with menstrual cramps. It helps ease the overall symptom burden and contributes to improved day-to-day comfort when pain interferes with routine activities.


Management of Systemic Fever and Viral Aches

The medication is applied in clinical settings where supportive symptom management of systemic high temperature is appropriate. Glotadol helps address symptom clusters that may become intense or disruptive and often accompany viral illnesses, such as fever and generalized body aches due to colds and influenza. It provides support that helps patients cope more steadily with difficult episodes of high temperature.


Quick Facts: Therapeutic Support

Glotadol is commonly used for managing pain and fever across adults, children, and specialized populations, contributing to its relevance in providing short-term symptomatic assistance. It supports ease of Fever and Aches associated with acute or episodic changes.

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Glotadol (Acetaminophen/Paracetamol) eligibility is strictly defined by regulatory guidelines, classifying users into permitted, restricted, or prohibited populations.

Contraindicated Populations

Use of Glotadol is absolutely prohibited in:

  • Individuals with a known hypersensitivity (allergy) to acetaminophen or any component of the formulation.
  • Patients diagnosed with severe hepatic impairment or severe active liver disease.

Age-Related Eligibility

  • Adults and adolescents (ge 12 years) are generally permitted for use.
  • Use is not recommended in infants under 12 weeks of age, unless specifically advised by a healthcare provider.
  • Older adults do not typically require a dosage adjustment from standard adult recommendations.

Conditional Use and Restrictions

Caution and conditional restrictions are required for patients with:

  • Severe renal impairment (creatinine clearance le 30 mL/min).
  • Mild to moderate hepatic impairment or states of glutathione depletion (e.g., chronic alcoholism or malnutrition).
  • The product must not be used concurrently with any other medicine containing acetaminophen.

Pregnancy and Lactation

  • Pregnancy: Permitted if there is a clinical need; use must be limited to the lowest effective dose for the shortest duration.
  • Lactation: Permitted; generally considered safe for use as long as recommended doses are not exceeded.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Glotadol's interaction profile is officially defined by effects on plasma exposure, additive toxicity risk, and specific pharmacodynamic outcomes documented in regulatory labels.


Category Description
Pharmacodynamic Interactions Prolonged, regular use of Glotadol may enhance the anticoagulant effect of Warfarin and other Coumarins, increasing the officially documented risk of bleeding. Occasional use is not considered clinically significant.
Exposure and Absorption Co-administration with Metoclopramide or Domperidone is documented to increase the speed of Glotadol absorption. Conversely, the bile acid sequestrant Cholestyramine reduces absorption and requires a mandatory one-hour separation in administration.
Metabolic and Toxicity Risks Liver enzyme inducers (e.g., Carbamazepine, Rifampicin) may increase the risk of liver toxicity due to accelerated toxic metabolite formation. The combination with chronic alcohol consumption or other acetaminophen-containing products is strictly restricted due to the high risk of severe liver damage.
Specific Drug-Drug Concerns Caution is advised when Glotadol is administered concomitantly with Flucloxacillin, particularly in patients with pre-existing risk factors like severe renal impairment or malnutrition, as this combination has been associated with the development of High Anion Gap Metabolic Acidosis.

Regulatory documents define this product's interaction structure by noting agents that modify its clearance or absorption, highlighting the prohibition against co-administration with other acetaminophen products, and specifying constraints like timing rules or increased risk of toxicity under certain conditions.

Mechanism of Action

Glotadol functions primarily as a selective agonist at the 5-HT1B and 5-HT1D serotonin receptors, which are highly expressed on trigeminal nerve endings and within the central nervous system. Binding of Glotadol to these presynaptic G-protein-coupled receptors initiates a conformational change that activates the coupled Gi/o protein complex.

This Gi/o activation leads to a downstream cascade involving the inhibition of adenylyl cyclase, which subsequently reduces the intracellular concentration of cyclic adenosine monophosphate (cAMP). The decrease in cAMP concentration modulates the activity of protein kinase A (PKA), resulting in the inhibition of neurotransmitter release, specifically calcitonin gene-related peptide (CGRP) and substance P, from perivascular trigeminal fibers.

At the systemic level, Glotadol-induced 5-HT1B agonism in peripheral and meningeal vessels mediates vasoconstriction, resulting in a quantifiable decrease in vessel luminal diameter. The combined peripheral vasoconstriction and central inhibition of neuropeptide effluence constitutes the resultant system-level physiological modulation.

Dosage and Administration Information

Glotadol administration follows established protocols to ensure precise usage patterns. The medicine is available for administration via multiple routes, including oral (tablets, liquid, caplets), rectal (suppositories), and intravenous (IV) infusion in clinical settings. The choice of route depends on the medical context.

For adults weighing 50 kg or more, the standard dose is 650 mg every 4 hours or 1,000 mg every 6 hours, with a maximum single dose of 1,000 mg. A minimum interval of four hours must be maintained between doses. The total intake from all sources in 24 hours must not exceed 4,000 mg. Dosing for individuals under 50 kg is weight-based, typically 15 mg/kg, with a maximum daily dose not exceeding 75 mg/kg.

Specific administration rules apply to certain conditions and forms. Patients with documented hepatic impairment often require a dose reduction, typically limiting the total daily intake to 2,000 mg or extending the dosing interval. Oral forms can be taken with or without food, but liquids must be measured precisely using the device provided. Extended-release forms must be swallowed whole to ensure correct drug delivery over time. Continuous use for self-medication is generally restricted to a maximum of 10 days for pain or 3 days for fever.

Recent Clinical Evidence

Glotadol: Recent Clinical Evidence


Evidence for Use in Symptomatic Fever Reduction

Research has explored Glotadol’s profile in conditions characterized by systemic imbalance across numerous Randomized Controlled Trials (RCTs) and subsequent Systematic Reviews. These studies examined outcomes related to systemic or functional imbalance, specifically monitoring changes in body temperature in both adults and pediatric patients. Findings describe patterns observed in the studies related to the time taken for temperature changes to be measured. Research generally focuses on exploring short-term symptom changes monitored over a brief, defined time interval. Long-term effects are not fully established, as the evidence is almost entirely focused on short-term changes.


Evidence for Relief of Acute Mild to Moderate Pain

The evidence base for Glotadol was studied for its use in pain relief using placebo-controlled RCTs and Meta-Analyses. This research examined outcomes related to physical discomfort, including patient-reported outcomes describing perceived discomfort via pain intensity scores (using research scales). Studies were typically conducted during periods of increased symptom activity in populations like healthy adults experiencing short-term pain. Research also monitored the need for rescue analgesia.

Follow-up durations were limited in most of these trials, meaning the research mostly addresses immediate, acute symptom patterns. The results apply only to the populations studied, and there is limited information for long-term outcomes regarding sustained use.


Evidence for Use in Musculoskeletal Conditions

Glotadol was studied for its use in specific musculoskeletal conditions, particularly osteoarthritis and acute low back pain. Some meta-analyses reported the difference in pain scores compared to placebo in osteoarthritis trials, often characterizing the measured effect as small. High-quality research exploring Glotadol's profile for the management of acute low back pain reported patterns related to a lack of observed difference when compared to a placebo. Evidence quality varies across studies, and comparative evidence is lacking for many other chronic pain conditions.

Key Studies & References

  1. Efficacy and safety of ibuprofen and acetaminophen in children and adults: a meta-analysis and qualitative review
  2. Systematic Review on Treatments for Acute Pain: Surveillance Report 3 (AHRQ)

Frequently Asked Questions (FAQ)

Common questions about Glotadol (FAQ)

Q: How long does it usually take for Glotadol's effects to become noticeable after beginning use?

Official product information does not specify an exact time frame for the onset of effects. Instead, guidelines define the recommended dosing intervals for adults as typically every 4 hours or every 6 hours. This interval indicates the time that must pass before re-dosing is permitted.

Q: What are the most commonly reported side effects associated with Glotadol in clinical trials?

While regulatory documents primarily focus on rare and serious reactions, general reports describe potential effects that may include temporary gastrointestinal discomfort such as nausea or stomach pain. Regulatory labeling provides detailed information about more severe adverse reactions, which are often classified as rare.

Q: Do certain groups of people experience side effects from Glotadol more frequently?

Official regulatory warnings identify specific patient populations with an officially noted heightened risk. Individuals with chronic alcoholism or pre-existing liver conditions are stated to have an increased risk of developing severe liver toxicity. This regulatory statement highlights the increased risk associated with use in these populations.

Q: Is it described as safe to take Glotadol alongside other prescription medicines?

The regulatory label notes that co-administration with other prescription medicines should be reviewed by a healthcare professional. This review is advised due to the documented potential for drug-drug interactions that could affect the safety or function of Glotadol or the other prescriptions.

Q: Why are some people concerned about using Glotadol, based on public discussions?

Health authorities frequently issue warnings regarding the major safety risk associated with the active ingredient. This concern centers on the potential for severe liver injury or acute liver failure if a person exceeds the maximum recommended daily amount or uses Glotadol at the same time as other products containing acetaminophen.

Q: Is there evidence that Glotadol is effective in a diverse range of patient populations?

Research evidence applies specifically to the patient groups included in the original clinical trials and studies. Official summaries indicate that there is limited evidence available for long-term outcomes regarding sustained use.

Q: What do official guidelines say about the expected maximum duration of effect for Glotadol?

Official guidelines define the regulatory dosing intervals for adults as typically every 4 hours or every 6 hours. These intervals are defined by regulatory authorities to determine the minimum time between doses.

Q: Are the side effects of Glotadol temporary, or can they be long-lasting?

Regulatory warnings strictly focus on the potential for cumulative risk associated with long-term or chronic daily use. This includes risks that may affect the liver and kidneys.

Q: Is there a risk of dependence or withdrawal symptoms described in the official documents for Glotadol?

According to official regulatory labeling, Glotadol is classified as a non-opioid analgesic (pain reliever). Its single-ingredient formulation does not contain specific warnings or information related to the risk of physical dependence or withdrawal symptoms.

Q: Can Glotadol be taken at the same time as common over-the-counter vitamins or supplements?

Official data generally indicates no specific interaction has been reported with common multivitamins or mineral supplements. However, the standard practice described in regulatory materials is for patients to discuss the use of all supplements with a healthcare professional.

Q: Does Glotadol interact with birth control pills or hormone therapies?

Official regulatory documents describe that certain oral contraceptives containing estrogen may be associated with a decrease or delay in Glotadol's effects. However, concurrent use at the usual therapeutic doses is generally not considered to introduce a significant additional safety risk.

Q: Is Glotadol appropriate for people with a history of heart issues?

Official safety information notes specific regulatory constraints for use in individuals with pre-existing hypertension (high blood pressure). Regular daily intake of the maximum dose has been associated with an increase in systolic blood pressure, which is a factor in cardiovascular risk.

Q: What common misunderstandings exist about how Glotadol should be used?

Patient safety materials from health authorities frequently highlight a critical misunderstanding: the failure to recognize the active ingredient. Taking Glotadol along with any other acetaminophen-containing product may contribute to unintentionally exceeding the recommended maximum daily intake.

Q: How long has Glotadol been available on the market since its initial approval?

The active ingredient used in Glotadol, which is known internationally as Acetaminophen or Paracetamol, is a widely researched and established compound. It was introduced to the market and became generally available for use as early as the mid-1950s.

Q: Does Glotadol interact with medication for blood pressure or cholesterol?

Official information focuses on the drug's effect on the body itself rather than direct interaction with most medications in these classes. Regular daily intake of the maximum dose has been associated with an increase in blood pressure, and the regulatory framework suggests that caution is required for patients with pre-existing hypertension.

How should Glotadol be stored and disposed of?

Storage and Disposal Requirements

Glotadol (Acetaminophen/Paracetamol) must be stored and disposed of strictly according to regulatory guidelines to ensure product stability and prevent accidental harm.

Storage Conditions

Requirement Official Instruction
Temperature Store at Controlled Room Temperature (20 C to 25 C).
Protection Keep away from excessive heat (above 40 C), moisture, and freezing conditions.
Container Keep in the original container, which must be tightly closed.

Handling and Disposal

The product must be stored out of the sight and reach of children and pets, and the container's safety cap must be locked. Unused or expired Glotadol should be disposed of via an official medicine take-back program. If a take-back option is unavailable, the product must be mixed with an undesirable substance, sealed in a bag, and placed in the household trash. Do not flush the medicine down the toilet.

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

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