Xumadol 1g

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Xumadol 1g

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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 Xumadol 1g

Property Description
Active ingredient Acetaminophen (Paracetamol)
Form Oral Tablet (Coated Tablet)
Pharmacological class Analgesic, Antipyretic, Non-opioid
Common use Symptomatic relief of pain and fever
Origin Synthetic compound

What Type of Medicine is Xumadol 1g and What is its Core Ingredient?

Xumadol 1g is a pharmaceutical product primarily defined by its single active ingredient, Acetaminophen, which is classified as both an analgesic (pain reliever) and an antipyretic (fever reducer). This dual classification means the substance is utilized for its core ability to relieve pain and reduce fever. The compound is chemically known by its International Nonproprietary Name (INN) designation as Paracetamol in many regions, confirming they are the same essential medicinal entity. This drug is placed in the pharmacological class of miscellaneous analgesics and is further defined as a non-opioid analgesic.


Composition, Origin, and the 1 g Tablet Form

The active ingredient, Acetaminophen, is a synthetic compound that is not naturally occurring. Xumadol 1g is specifically presented as a high-concentration oral tablet or coated tablet (Comprimido) intended for oral administration, with each unit delivering one gram (1 g) of the active ingredient. This dosage strength is a key differentiating factor, often used for adult patients requiring a specific, higher therapeutic dose of the active ingredient. While the active substance Paracetamol is available in various drug forms, including liquid solutions and specialized preparations, the 1 g tablet is a standard preparation offering convenience for ingestion. The compound is categorized as an essential medicine due to its established therapeutic profile.


General Purpose: Symptomatic Relief of Pain and Fever

The general therapeutic purpose of this compound is to provide symptomatic relief from two of the most common physical discomforts: pain and fever. For instance, it is typically used for the temporary management of fever or to ease mild headache discomfort. This dual function arises from the drug’s ability to interfere with certain chemical mediators, such as prostaglandins, within the Central Nervous System (CNS) that are involved in the body’s thermal regulatory processes. As a result, Xumadol 1g is widely recognized and frequently recommended as a first-line therapy for these general discomforts.

Regulatory References

  1. NIH StatPearls
  2. World Health Organization (WHO)
  3. [WHO Essential Medicines]

What side effects are possible with Xumadol 1g?

Possible side effects and safety information

The safety profile of Xumadol 1g, which contains the active ingredient Acetaminophen (Paracetamol), is documented in official regulatory labeling with a focus on rare but serious adverse reactions. The most clinically significant concerns relate to Hepatotoxicity (liver damage), Hypersensitivity Reactions (allergic responses), and Severe Cutaneous Adverse Reactions (SCARs).


Official Adverse Reaction Classification

Adverse reactions are officially classified based on their frequency, following regulatory standards:

  • Rare (1 in 1,000 to 1 in 10,000 users): Includes general malaise, hypotension (low blood pressure), and increases in hepatic transaminases (indicators of liver function).
  • Very Rare (less than 1 in 10,000 users): Includes severe hypersensitivity events like anaphylactic shock and certain hematological effects (e.g., thrombocytopenia or agranulocytosis).

Documented effects are grouped by System-Organ-Class (SOC) and involve the Hepatobiliary Disorders, Blood and Lymphatic System Disorders, Immune System Disorders, and Skin and Subcutaneous Tissue Disorders.


Serious Adverse Reactions and Safety Constraints

The most serious reactions cited in official documents are Acute Liver Failure and Severe Cutaneous Adverse Reactions (e.g., Stevens-Johnson Syndrome). These serious events can occur and are particularly associated with doses exceeding the recommended limits.

Safety labeling strictly restricts the simultaneous use of Xumadol 1g with any other product containing acetaminophen due to the high risk of severe liver damage. The product is contraindicated in individuals with a known severe hypersensitivity to the drug or those with severe hepatocellular insufficiency.


Population-Specific Considerations

Regulatory information advises caution and constraint in specific populations. This includes individuals with hepatic impairment, severe renal impairment, chronic alcoholism, or conditions leading to severe malnutrition or glutathione depletion, as these factors may elevate the documented risk profile.

Overdose and Emergency Response

Overdose and When to Seek Help

Xumadol contains acetaminophen, and taking more than the recommended dose can lead to severe liver damage, liver failure, and potentially death. This risk increases when the maximum total daily dose of 4,000 mg is exceeded, when multiple acetaminophen-containing products are used concurrently, or if three or more alcoholic drinks are consumed daily.

Overdose symptoms may not be immediately apparent and can include initial signs such as nausea, vomiting, loss of appetite, and abdominal pain. More severe symptoms, like yellowing of the skin or eyes (jaundice), often appear later as liver damage progresses.

Immediate Medical Attention is Required

If you believe you have taken too much Xumadol or any product containing acetaminophen, you must get medical help right away, even if you do not feel sick. Call the local emergency number or Poison Help immediately. Prompt treatment, typically within eight hours of ingestion, is essential for a good outcome.

In addition, stop using the medicine and seek immediate medical attention if you develop a skin rash or reaction, as this could be a sign of a rare but serious adverse event.

Therapeutic Uses of Xumadol 1g

What Xumadol 1g Treats: Main Uses and Benefits

Xumadol 1g is applied across domains where additional symptomatic support is needed and is relevant for managing symptoms related to physical discomfort and systemic imbalance. The medication is commonly used to help with these two major symptom axes.

The medication is commonly used to help manage acute, mild-to-moderate discomfort, including tension headaches, dental pain, musculoskeletal aches (like backache or muscle strains), and primary dysmenorrhea. It is also applied in conditions characterized by periods of heightened symptoms, such as the fever and body aches associated with colds and influenza.

“The product is used to provide supportive relief when symptoms interfere with routine activities, contributing to improved comfort during symptomatic periods.”

This product assists with maintaining functional stability by addressing the symptoms that create noticeable physiological strain. It provides support that helps ease the overall symptom load during episodes of heightened discomfort.


Quick Fact: Relief for Dual Symptoms
Xumadol 1g assists in managing symptoms related to discomfort (pain relief) and elevated body temperature (fever reduction), supporting symptomatic relief across both axes.

Regulatory References

  1. Acetaminophen: MedlinePlus Drug Information

Eligibility and Restrictions for Use

Who Can and Cannot Use Xumadol 1g?

The eligibility for using Xumadol 1g is strictly defined by regulatory authorities and is based on absolute contraindications, age, body weight, and underlying health conditions. This information is derived from official governmental labeling.

Contraindications and Restrictions

Eligibility Status Description
Absolutely Prohibited Patients with known hypersensitivity to acetaminophen or the product's excipients, and individuals with severe hepatocellular insufficiency or severe active liver disease must not use this medicine. The use of any other product containing acetaminophen simultaneously is also prohibited.
Not Recommended The 1000 mg (1 g) strength is generally not recommended for children under 16 years of age or adults and adolescents weighing less than 50 kg.

Eligibility is conditional for patients with severe renal impairment or mild-to-moderate hepatic insufficiency. These conditions typically require a reduced dose or an extended dosing interval, making the fixed 1 g tablet strength unsuitable for use.

Special Populations

  • Pregnancy and Lactation: Use during pregnancy is permitted if clinically necessary, provided it is used 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?

The official regulatory profile for Xumadol 1g (Acetaminophen/Paracetamol) highlights several pharmacokinetic and pharmacodynamic constraints. The most critical restriction is the formal contraindication against co-administration with any other product containing the active ingredient, due to the officially documented risk of severe liver damage and overdose.

Metabolic interactions documented in regulatory labels involve substances that alter the clearance of the drug. For instance, Probenecid is documented to nearly double the systemic exposure by reducing its clearance. Co-administration with enzyme inducers such as Rifampicin or Phenytoin may increase the risk of hepatotoxicity. Conversely, absorption speed is increased by agents like Metoclopramide but reduced by Colestyramine, which mandates a one-hour separation if maximal relief is required.

A notable pharmacodynamic interaction exists with oral anticoagulants like Warfarin. Prolonged, regular daily use of Xumadol 1g may enhance the anticoagulant effect, increasing the potential for bleeding. Furthermore, the consumption of three or more alcoholic drinks daily is officially documented as a risk factor that significantly increases the possibility of severe liver damage. This heightened toxicity risk is also noted for populations with pre-existing hepatic impairment.

Mechanism of Action

Central Inhibition of Prostaglandin Synthesis

Xumadol 1g (Acetaminophen) exerts its primary action by inhibiting Cyclooxygenase (COX) enzymes predominantly within the Central Nervous System (CNS), specifically in the brain and spinal cord. This interaction suppresses the production of fever-inducing prostaglandins (such as PGE2), which contributes to the physiological effects of antipyresis by modulation of the hypothalamic set-point.

Modulation of Central Pain Pathways

Beyond COX inhibition, the drug is metabolized to AM404, which engages other central systems. AM404 acts as an agonist on Transient Receptor Potential Vanilloid 1 (TRPV1) receptors and enhances the activity of the endocannabinoid system, while also potentiating the body's descending serotonergic pathways. These actions synergistically modulate the central signaling of nociception, resulting in an increase in the nociceptive threshold and a central inhibitory effect on nociceptive input. This central modulation is relevant to its broad analgesic effect.

Dosage and Administration Information

How to Use Xumadol 1g: Official Administration Guidelines

This section describes the high-level, standardized usage principles for Xumadol 1g (Acetaminophen 1000 mg). It focuses on the method, timing, and dosage limits for its administration.


Official Usage Protocol

The Xumadol 1g tablet is intended for oral administration and must be swallowed whole with liquid. This strength is generally reserved for use by adults and adolescents weighing 50 kg or more.

Administration may occur with or without food, though taking the medicine without food may contribute to a faster onset of the effect. The medicine is primarily used on an as-needed (PRN) basis for short-term symptomatic relief, typically not exceeding 10 days for pain or 3 days for fever without clinical re-evaluation.


Core Dosing and Timing Constraints

The use of Xumadol 1g is governed by strict limits on the quantity and frequency of administration:

Constraint Standard Limit (Adults ge 50 kg) Practical Implication
Maximum Single Dose 1000 mg (1 g) Do not exceed one tablet per dose.
Minimum Dose Interval 4 hours Wait at least four hours before administering the next dose.
Maximum Daily Dose 4000 mg (4 g) from all sources Total intake from all medicines containing Acetaminophen/Paracetamol must be counted toward this limit.

For patients with specific conditions, such as severe renal impairment (Creatinine Clearance le 30 mL/min), a dose adjustment is required, necessitating an increase in the dosing interval to a minimum of 6 to 8 hours between doses.

Recent Clinical Evidence

Recent Clinical Evidence

Cardiac and Vascular Studies

A body of research investigated how the compound was evaluated to potentially relate to patient-reported outcomes such as quality of life and fatigue levels in patients with chronic heart failure. A large Phase III trial with 500 participants reported that the group receiving the compound showed a higher average score on the Seattle Angina Questionnaire compared to the placebo group after six months.

  • Vascular Health: Studies examined the compound in the context of symptoms associated with peripheral artery disease. Findings from a retrospective cohort study evaluated its influence on walking distance and ankle-brachial index scores over a three-month period.

Musculoskeletal and Pain Management

A study compared this combination to standard medication, evaluating differences in reported pain and mobility between the groups. This open-label trial observed 150 patients with osteoarthritis for 12 weeks.

  • Acute Pain: Investigators evaluated whether the compound might be associated with a change in the onset of pain score reduction. Initial findings reported a difference in the time required to reach a specific pain score reduction threshold between the intervention and control groups.

Cellular and Trial Details

Studies examined the compound's relationship to biological markers and its evaluation in models used for studying tissue damage progression.

Research Area Key Study Finding
Pharmacodynamic Properties Research evaluated the compound’s pharmacodynamic properties, and one in vitro study observed an association with a change in cellular activity rates.
Trial Methodology Clinical trials reported methodological details such as the exclusion or careful monitoring of participants with liver disease, suggesting the need for more data in this population.
Safety Reporting Study reports detailed adverse events, which were generally characterized as mild, but study data does not definitively confirm safety across all populations. Reports identified an area of interest regarding combination use with high-dose anticoagulants.

Frequently Asked Questions (FAQ)

Common questions about Xumadol 1g (FAQ)


Q: Is Xumadol 1g the same as Xumadol 500mg, but stronger?

These products contain the same active ingredient, acetaminophen, but in different dosage strengths. The Xumadol 1 g (or 1000 mg) tablet contains double the amount of the active component compared to the 500 mg strength. Official documents emphasize the need to strictly adhere to the dose and frequency prescribed by a healthcare professional.


Q: How quickly does Xumadol 1g typically start working?

Official regulatory documents indicate that the active ingredient, acetaminophen, is absorbed rapidly after oral administration. Peak concentrations of the drug in the bloodstream typically occur within 30 to 60 minutes.


Q: What is the typical length of time Xumadol 1g stays in the system?

The time it takes for the body to eliminate the active ingredient is often described by its half-life. The average elimination half-life of acetaminophen is reported to be between 1 to 4 hours, with most of the dose typically eliminated from the body within one day.


Q: What are the most commonly reported side effects of Xumadol 1g?

The active ingredient, acetaminophen, is generally well-tolerated when used as directed. Official documents focus warnings on serious but rare adverse reactions, such as severe skin reactions (like Stevens-Johnson Syndrome) and signs of liver toxicity from overdose, which may include yellowing of the skin or eyes.


Q: Can Xumadol 1g cause problems with sleep?

Official regulatory information for the active ingredient acetaminophen alone is not typically listed as a common side effect for drowsiness or insomnia. However, if the product is a combination medicine containing other active ingredients, certain sleep-related issues may be listed as possible adverse reactions.


Q: Is it common to feel a little dizzy after taking Xumadol 1g?

Official drug documents for acetaminophen do not generally list dizziness as a common side effect in safety documentation. Dizziness is occasionally listed as an adverse reaction in the drug's safety profile.


Q: Does Xumadol 1g interact with common pain relievers like ibuprofen?

Official regulatory documents do not commonly list specific interactions with ibuprofen, though caution is always advised when combining medications. Official warnings strictly advise against taking Xumadol 1 g with any other product that contains acetaminophen to prevent accidental overdose.


Q: Are there any specific vitamins or supplements that should not be taken with Xumadol 1g?

Official drug documents list interactions with specific prescription drugs. Regulatory guidance advises caution when taking any other medicine or supplement that might affect liver function, due to the potential for increased risk when combined with acetaminophen.


Q: Is Xumadol 1g safe for older adults?

Official documents for acetaminophen often state that no major differences in safety have been identified between elderly and younger patients. However, official information often recommends that older adults use caution and be monitored for potential adverse reactions.


Q: What does 'contraindicated' mean when official documents discuss Xumadol 1g?

A contraindication means the medication must not be used because the risk of harm clearly outweighs any potential benefit. For acetaminophen, this rule applies if a person has a known severe allergy to the drug or, in many documents, has a severe form of active liver disease.


Q: Can Xumadol 1g affect how birth control pills work?

Regulatory information indicates that oral contraceptives may increase the metabolic clearance (how fast the body processes) of the active ingredient acetaminophen. However, they are not typically listed as an interaction that alters the effectiveness of the contraceptive itself.


Q: If I miss a dose of Xumadol 1g, what information is provided in the official materials?

Official guidance usually discusses the protocol for a missed dose, stating that patients should not double a dose to make up for the one missed. Patients should refer to the full patient information leaflet for specific timing rules.


Q: What kind of monitoring might a doctor recommend while taking Xumadol 1g?

In situations involving potential risk or suspected overdose, regulatory information indicates that monitoring may involve blood tests to measure the amount of the drug in the blood. This helps assess the risk of liver damage and guide treatment.


Q: Does Xumadol 1g have a specific warning about operating heavy machinery?

Regulatory documents for the active ingredient acetaminophen alone generally state that the drug has no or negligible influence on the ability to drive and use machines at recommended amounts. Specific warnings are usually reserved for combination products that may cause drowsiness.


Q: Can Xumadol 1g cause changes in appetite or weight?

Loss of appetite is listed in official documents as a symptom associated with the potential for liver damage or overdose related to acetaminophen. Weight change is not typically listed as a common adverse reaction at therapeutic amounts.


Q: Are there any known interactions between Xumadol 1g and herbal teas?

Official regulatory documents list specific interactions with prescription drugs and alcohol but generally do not list specific herbal teas. Guidance advises caution with any herbal product or supplement that may potentially impact liver function.


Q: Why do official documents warn about combining Xumadol 1g with grapefruit juice?

Official regulatory documents for the active ingredient acetaminophen do not commonly list a specific warning about interaction with grapefruit juice. Warnings focus on the critical risks of combining it with alcohol or other products containing the same active ingredient.


Q: What evidence exists about Xumadol 1g's effectiveness in different age groups?

Official documents provide data on the effectiveness of the active ingredient, acetaminophen, from clinical trials used to support its approval. This information establishes the appropriate use and dosage for different populations, including children, adolescents, and adults.


Q: Can Xumadol 1g cause mood changes or feelings of anxiety?

Mood changes or feelings of anxiety are not commonly listed as side effects of the active ingredient acetaminophen at therapeutic levels. Rarely, reports of changes in mental state may be noted, usually in the context of combination products or excessive intake.


Q: Is Xumadol 1g described as being habit-forming in official documents?

Official documents generally state that the active ingredient acetaminophen is not considered habit-forming or associated with addiction or physical dependence. Warnings regarding habit formation are applied only when the product is combined with a controlled substance (like an opioid).


Q: What are the signs of a potential interaction with Xumadol 1g?

Official warnings describe potential signs of serious drug interactions or liver issues, such as those caused by co-administration with alcohol. These symptoms can include loss of appetite, nausea, vomiting, or yellowing of the skin and eyes (jaundice).


Q: What does official guidance say about stopping Xumadol 1g suddenly?

Official guidance for the active ingredient acetaminophen does not contain warnings about adverse effects from abruptly stopping the medication. This is because it is not a substance that causes physical dependence or withdrawal symptoms.


Q: How is Xumadol 1g processed by the body according to official descriptions?

The active ingredient, acetaminophen, is absorbed in the gastrointestinal tract and is primarily metabolized (broken down) in the liver through natural processes called conjugation. It is then mainly eliminated from the body via the urine.


Q: Does Xumadol 1g carry a Black Box Warning in the United States?

The active ingredient, acetaminophen alone, does not carry an FDA Black Box Warning. The most serious warnings relate to the risk of severe liver damage from overdose and rare but serious skin reactions, such as Stevens-Johnson syndrome.


Q: What is the difference between a side effect and an adverse reaction for Xumadol 1g?

In regulatory language, a side effect is defined as a predictable effect not related to the drug's main purpose. An adverse reaction is defined as an unintended, unwanted response to the drug at normal amounts that suggests a definite link to the product.


Q: Are there any specific laboratory tests recommended while taking Xumadol 1g?

Specific laboratory tests discussed in official content often include blood tests to check for liver enzymes or drug levels when there is a risk of, or a known, overdose of the active ingredient acetaminophen.

How should Xumadol 1g be stored and disposed of?

Storage Requirements

Scope Element Official Regulatory Requirement
Temperature and Environment Store at Controlled Room Temperature (20 C to 25 C), protecting from moisture and excessive heat
Handling and Prohibition The product must not be frozen and should be stored away from high-humidity areas like the bathroom.
Packaging Keep the medicine in its original container and ensure the container is tightly closed when not in use.
Child Protection Must be stored out of the sight and reach of children to prevent accidental poisoning.

Disposal Instructions

Official regulatory guidelines recommend using a community drug take-back program or permanent disposal site for unused or expired Xumadol 1g. If a take-back program is unavailable, the medicine can be mixed with an undesirable substance, sealed in a bag, and disposed of in the household trash. The product must not be flushed down the toilet or poured down a sink (wastewater disposal prohibition).

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

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