Quitadol

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Quitadol

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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 Quitadol

Quick Facts

Property Description
Active Ingredient Paracetamol (Acetaminophen, APAP)
Form Tablet, Capsule, Liquid Suspension, Suppository
Pharmacological Class Non-opioid Analgesic and Antipyretic
Common Purpose Relief from Pain and Fever
Origin Synthetic Compound

What Type of Medicine is Quitadol?

Quitadol is the trade name for a synthetic, monosemic pharmaceutical entity whose sole active ingredient is Paracetamol, universally known as Acetaminophen (APAP). Pharmacologically, it is classified as a non-opioid analgesic and antipyretic, a designation signifying its core function in relieving pain and reducing fever. This classification establishes its fundamental role in supportive symptom management without the use of opioid compounds. Paracetamol is effective for treating pain in the acute setting, providing reliable, short-term relief from discomfort. Unlike the more broadly acting Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), Quitadol is clinically recognized for its differential mechanism, with its primary action centered within the Central Nervous System (CNS).


Composition, Origin, and Available Forms

The active composition of Quitadol is centered entirely on the molecule Paracetamol, a pure synthetic compound manufactured through controlled chemical synthesis. This process ensures a specific chemical structure and high purity for therapeutic use. The medicine is prepared with standard pharmaceutical excipients necessary to stabilize the active substance and create its final forms. Paracetamol has an established safety and efficacy profile for general use, reinforcing its role in self-medication for common symptoms. Quitadol is often positioned for broad use across various patient groups, including pediatric and adult forms, and is frequently available as an over-the-counter (OTC) medicine. It is commonly supplied in multiple dosage forms, including the oral tablet, capsule, and liquid suspension, as well as the rectal suppository, offering flexibility for administration.


What is Quitadol's General Purpose?

Quitadol's general purpose is to provide relief from pain and to normalize an elevated body temperature back toward a healthy set point. This dual function stems from its ability to modulate key chemical processes in the brain, where it helps inhibit the production of prostaglandins, chemical mediators responsible for signaling pain and raising the body's temperature. By achieving pain signal reduction and a temperature regulation reset through this central action, Quitadol effectively addresses two of the most frequent general symptoms associated with various underlying conditions.

Regulatory References

  1. Acetaminophen (Paracetamol) Drug Information

What side effects are possible with Quitadol?

Possible Side Effects and Safety Information

The safety profile for Quitadol (Paracetamol/Acetaminophen) is officially defined by government regulatory documents, focusing heavily on the risk of severe liver damage and the classification of rare, serious adverse events.


Adverse Reaction Scope

Category Description (Based on Regulatory Documents)
Key Adverse Reaction Categories Hepatotoxicity (acute liver failure), Severe Skin Reactions (Stevens-Johnson Syndrome (SJS), Toxic Epidermal Necrolysis (TEN)), and Blood Dyscrasias (e.g., Thrombocytopenia).
Frequency Classification Rare (geq1/10,000 to <1/1,000): Confusion, tremor, abnormal vision, gastrointestinal effects, decreased hepatic function, jaundice, and skin reactions (e.g., rash, pruritus). Very Rare (<1/10,000): Anaphylaxis, severe skin reactions, and blood disorders.
System-Organ Classes Involved Hepato-biliary, Immune System, Skin and Subcutaneous Tissue, Blood and Lymphatic System, Gastrointestinal, and Renal and Urinary Disorders.
Serious Adverse Reactions Acute liver failure (potentially fatal), Severe Skin Reactions, and Anaphylactic Reactions are documented as serious risks in regulatory sources.

Population-Specific Safety Considerations

Contraindication is noted for patients with severe hepatic impairment or severe active liver disease. Caution is required for patients with severe renal impairment, chronic alcoholism, or conditions of chronic malnutrition. Prolonged use has been linked to potential analgesic overuse headache.

Safety-Related Restrictions or Limitations

Regulatory documents strictly prohibit combination with any other products containing Paracetamol/Acetaminophen to prevent dose exceedance, which is the primary cause of acute liver injury. This risk is greater in individuals consuming significant amounts of alcohol.


Resulting Safety Structure

The official safety information structures the understanding of risks by establishing a clear relationship between dose exceedance and the highest danger, which is acute hepatic injury. The profile is fundamentally defined by the explicit restrictions and cautions aimed at protecting the liver and managing hypersensitivity risks.

Overdose and Emergency Response

Overdose of Quitadol (Paracetamol/Acetaminophen) poses a significant regulatory concern due to the risk of severe, delayed, and potentially fatal organ damage. Initial clinical manifestations may be non-specific, often including nausea, vomiting, abdominal pain, pallor, and anorexia. However, regulatory documents stress that patients can be asymptomatic immediately following ingestion, a state that does not preclude the risk of developing life-threatening hepatotoxicity, or severe liver damage, within 24 to 72 hours. This toxicity can progress to Fulminant Liver Failure, requiring continuous hospital monitoring and aggressive management.

For this reason, immediate medical attention must be sought after any suspected overdose, regardless of how well the individual feels. Regulatory authorities require calling emergency services or a Poison Control Center right away. The specific antidote, N-acetylcysteine (NAC), is used to counter toxicity, but its efficacy is highly time-dependent, being most effective when administered within eight hours of acute ingestion. Management involves obtaining serial measurements of plasma paracetamol concentration and monitoring hepatic function (e.g., INR, transaminases). Individuals with chronic risk factors, such as chronic alcoholism or severe malnutrition, are officially noted to be at a significantly increased risk for severe outcomes.

Therapeutic Uses of Quitadol

What Quitadol Treats: Main Uses and Benefits

Quitadol is applied across domains where additional symptomatic support is needed due to its properties as an analgesic and antipyretic. It is primarily used to address symptoms related to physical discomfort and systemic imbalance. The medication helps address symptom clusters that may become intense or disruptive, particularly those involving mild-to-moderate pain and elevated body temperature.


Core Therapeutic Contexts

This medicine is commonly used across conditions presenting with acute episodes where short-term symptomatic support is needed. It helps with the discomfort of headache, muscular aches, toothache, and period pain, as well as managing fever associated with conditions like the common cold and flu. It is generally applied when appropriate across diverse populations, including children and patients requiring pain relief during pregnancy or breastfeeding. It is relevant for easing symptoms and supports the patient during difficult episodes by easing distress.


Quick Fact: Symptomatic Relief
Symptom Category Mild-to-moderate pain, Fever (Pyrexia)
Use Context Acute episodes, Seasonal illness, Post-procedural discomfort
Patient Benefit Supports easing overall symptom burden

Regulatory References

  1. NIH MedlinePlus on Acetaminophen

Eligibility and Restrictions for Use

Who Can and Cannot Use Quitadol?

The population eligibility for Quitadol (Paracetamol/Acetaminophen) is strictly defined by regulatory authorities and centers on underlying health status and age.

Contraindications and Absolute Restrictions

Quitadol must not be used by individuals who have known hypersensitivity (allergy) to Paracetamol or any other component of the medicine. It is also contraindicated in patients diagnosed with severe hepatic impairment or active acute liver disease, as documented in official prescribing information.


Conditions Requiring Caution or Conditional Use

Use of Quitadol is permitted but requires caution or specific restriction in certain patient groups:

  • Organ Function: Patients with moderate-to-severe renal impairment must use the medicine under specific conditions, which typically involve mandated lengthening of the interval between administrations. Caution is also necessary in cases of mild-to-moderate hepatic impairment.
  • Comorbidities: Caution is required for patients with chronic alcoholism or chronic malnutrition, due to an increased risk of liver toxicity.

Age and Physiological Status

Quitadol is generally permitted for use across a wide range of age groups, including adults, adolescents, and children over the age of three months. Use in premature neonates or infants under three months is generally not recommended or not established.

For pregnancy and lactation, use is permitted when clinically necessary. Official guidance advises using the lowest effective dose for the shortest possible duration during these periods.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Quitadol (Paracetamol/Acetaminophen) identifies interactions critical to safety and plasma exposure, strictly documented in government drug labels.

Documented Interaction Patterns

Interaction Entity Map Official Interaction Pattern / Entity
Contraindicated Combinations Co-administration with other Acetaminophen-containing products is formally prohibited to prevent hepatotoxicity from dose overdose.
Pharmacodynamic Interaction Prolonged, regular daily use with Warfarin and other coumarin anticoagulants may enhance the anticoagulant effect, officially increasing the risk of bleeding.
Metabolic Interactions Inducers of hepatic enzymes (e.g., rifampicin, phenytoin) may increase the formation of the medicine's hepatotoxic metabolite, raising the potential for liver damage.
Exposure-Modifying Agents Metoclopramide and Domperidone increase the rate of absorption and faster maximum plasma concentration ( C max), while Cholestyramine reduces absorption.

Administration Constraints

The FDA label includes a required warning noting a significantly increased risk of severe liver damage in individuals who regularly consume three or more alcoholic drinks per day. Administration with Cholestyramine requires mandatory separation; it should not be taken within one hour of Quitadol to mitigate reduced absorption. Patients with severe hepatic impairment are officially noted to have an amplified risk of toxicity from these interactions.

Mechanism of Action

Central Modulation of Thermoregulation and Nociception via COX Inhibition

Quitadol's mechanism is anchored by the reversible inhibition of Cyclooxygenase ( COX) enzymes primarily within the Central Nervous System ( CNS)—the brain and spinal cord. This targeted action interferes with the synthesis of Prostaglandin E2 ( PGE2), a key mediator. The PGE2 reduction in the hypothalamus resets the elevated temperature set point, while its reduction in the spinal cord attenuates nociceptive signal transmission. This mechanism is distinct from peripheral COX inhibition, as its activity is significantly constrained by high levels of peroxides in highly inflamed peripheral tissues, precluding the potent, localized suppression of PGE2 synthesis characteristic of peripheral anti-inflammatory mechanisms.


Metabolite-Driven Analgesia via Multi-Receptor Engagement

A unique secondary mechanism involves the active metabolite, AM404, which modulates nociceptive transmission through two key neurological systems. This metabolite acts as an activator of Transient Receptor Potential Vanilloid 1 ( TRPV1) receptors and indirectly enhances the Endocannabinoid System ( ECS) signaling by inhibiting the reuptake of endogenous ligands, such as anandamide, leading to potentiation of CB1 receptors. This combined, multi-receptor approach within the CNS attenuates the transmission of nociceptive signals along the descending inhibitory pathways.

Dosage and Administration Information

Administration Scope and Dosage Rules

The administration of Quitadol, which is based on the active ingredient Paracetamol (Acetaminophen), is governed by prescribing information. The medicine is used via three primary routes: Oral (tablets, capsules, solutions), Rectal (suppositories), and Intravenous (IV) Infusion, providing options for various patient needs.

Standard adult dosing for immediate-release oral forms typically ranges from 325 mg to 1000 mg per dose. For extended-release oral tablets, a single administration is 1300 mg. The maximum total dose from all acetaminophen-containing products and all routes must not exceed 4000 mg in any 24-hour period for adults weighing 50 kg or more.


Frequency, Timing, and Special Conditions

Dosing Interval: The frequency is set by the minimum time interval required between administrations. Immediate-release oral and rectal doses are typically repeated every 4 to 6 hours, while extended-release forms require an 8-hour interval. IV doses are administered every 4 or 6 hours, depending on the strength of the dose.

Administration Context: Oral forms may generally be taken regardless of food intake. For the IV route, the solution is administered via a slow infusion over a period of 15 minutes when used in a clinical setting.

Adjustments and Duration: Dosing is weight-based for low-weight adults and pediatric patients (e.g., 15 mg/kg), and the dosing interval is prolonged for patients with confirmed kidney or liver impairment. The product is designated for short-term symptomatic management only, with usage for fever often limited to 3 days and for pain limited to 10 days without further medical consultation.

Recent Clinical Evidence

Quitadol: Recent Clinical Evidence


Evidence for Acute Pain and General Discomfort

Research on Quitadol's active ingredient, Paracetamol, has primarily focused on exploring its role in short-term pain (e.g., post-operative, dental) using Randomized Controlled Trials (RCTs) and meta-analyses. Researchers examined outcomes related to changes in pain intensity scores over short time frames, typically hours to 24 hours, and the documentation of requirements for additional pain relief medication. The evidence describes outcomes related to physical discomfort based on these observations. However, long-term effects for chronic or sustained pain management are not fully established, as the research primarily reflects acute, immediate symptom patterns.


Evidence for Symptomatic Fever Management

The role of Quitadol's active ingredient was evaluated in research exploring fever (pyrexia) in a large volume of studies, including RCTs applied in both adult and pediatric populations. These studies monitored outcomes such as the degree and rate of body temperature reduction. Research describes patterns related to documented temporary physiological imbalance. It is not fully characterized whether this change is associated with broader clinical outcomes related to the underlying illness that caused the fever.


Evidence for Musculoskeletal Pain and Uncertainty

Research explored specific pain conditions, notably tension-type headache and chronic conditions like osteoarthritis (OA). For OA, intermediate-duration studies monitored pain intensity and functional outcomes, with many reports indicating a modest level of change. Research examining acute low back pain showed findings where outcomes were comparable to control groups.

The evidence landscape includes studies exploring outcomes across pediatric and older adult populations. However, the majority of clinical data centers on acute episodes, meaning follow-up durations were limited. The research consistently highlights that results apply primarily to the populations studied, and data for comprehensive long-term outcomes remain insufficient across certain groups.

Key Studies & References

  1. Acetaminophen - LiverTox (Drug Record)
  2. Acetaminophen (Paracetamol) - MotherToBaby (Fact Sheet on Pregnancy and Breastfeeding)

Frequently Asked Questions (FAQ)

Common questions about Quitadol (FAQ)

Q: How quickly can someone generally expect to notice the effects of Quitadol?

The onset of action, or how quickly the effects begin, can vary based on the specific form of the medicine used. Official pharmacokinetic studies indicate that oral forms generally begin working in approximately 37 minutes after being taken.

Q: Does Quitadol stay in the body for a long time after the last dose?

Official pharmacokinetic studies describe that the medicine is typically eliminated from the body relatively quickly. The time it takes for half of the medicine to be cleared from the bloodstream (the elimination half-life) is generally stated to be between 1.9 and 2.5 hours.

Q: What is the difference between Quitadol and other common treatments for the same condition?

Official information notes that Quitadol’s primary mechanism of action is focused within the Central Nervous System (the brain and spinal cord). This central action is distinct from the more peripheral anti-inflammatory mechanisms used by some other classes of commonly used pain-relief medications.

Q: Why did the FDA or other regulatory bodies approve Quitadol?

Regulatory bodies, such as the FDA and EMA, approved the medicine after a comprehensive review of the evidence. This review confirmed the drug's safety profile and its effectiveness in treating pain and fever.

Q: Is Quitadol used for things other than its main purpose?

According to official product information, the primary purpose of Quitadol is for the relief of general pain and fever. Studies have also examined its use in managing symptoms of specific acute conditions, such as post-operative pain and particular types of headaches. The evidence primarily focuses on these short-term uses for symptomatic relief.

Q: Is there a generic version of Quitadol available?

The active ingredient in Quitadol is widely available. Regulatory information indicates that it is frequently supplied in numerous generic and store-brand forms that do not require a prescription.

Q: Why do some people need a higher dose of Quitadol than others?

Official administration protocol notes that doses are adjusted based on the patient's weight, particularly for children and low-weight adults. Additionally, the time interval between doses is typically required to be lengthened for individuals with confirmed kidney or liver impairment to allow the body more time to process the medicine.

Q: What if Quitadol doesn't seem to be working for me after a few weeks?

The official guidance designates the medicine for short-term symptomatic use only. Usage is typically limited to a maximum of 3 days for fever and 10 days for pain without further medical consultation. If symptoms persist beyond these official short-term limits, consulting a healthcare professional is typically recommended.

Q: If I miss a dose of Quitadol, what is the generally accepted advice?

The generally accepted advice is adhering to the specific directions listed on the product label regarding the time interval required between doses. This guidance helps ensure the maximum total daily dose, which is critical for safety, is never exceeded.

Q: What are some common mild side effects people report when taking Quitadol?

Official documents classify side effects by how frequently they are reported. Common effects, which occur in 1% to 10% of users, can include feelings of drowsiness, dizziness, or lightheadedness. These effects may temporarily influence a person’s ability to concentrate.

Q: Is it normal to feel a little dizzy when first starting Quitadol?

Regulatory documents classify dizziness as a potential side effect in the Common or Uncommon range of reported events. Because dizziness is a known possibility, official guidance often highlights the need for caution regarding activities like driving or operating machinery.

Q: Does Quitadol cause 'brain fog' or difficulty concentrating?

Official documents list confusion as a potential side effect, though it is categorized as a rare occurrence. Patient-reported experiences such as 'brain fog' or difficulty concentrating may be related to this documented effect, or to other nervous system effects like dizziness or drowsiness.

Q: Is it safe to drive or operate machinery while taking Quitadol?

Regulatory documents note that the medicine may cause potential side effects such as confusion, dizziness, or drowsiness. Because of these potential effects, it is generally noted that individuals should determine how the medicine affects them before engaging in such activities.

Q: Are there specific symptoms that warrant calling a doctor immediately while taking Quitadol?

Regulatory documents document serious adverse reactions such as acute liver failure and severe skin reactions. Immediate medical attention is often required if symptoms such as blistering of the skin, widespread rash, swelling, or yellowing of the skin or eyes (jaundice) are observed.

Q: Is Quitadol appropriate for older adults (seniors)?

The medicine is generally permitted for use by older adults. However, some regulatory guidance suggests a precautionary measure of reducing the maximum total daily dose, for example, to not exceed 3,000 mg in 24 hours. A scheduled approach to dosing is often noted as a preferred administration strategy for this population.

Q: What foods or drinks should be avoided while on Quitadol?

Official warnings state that regularly consuming three or more alcoholic drinks per day may be associated with increased risk and is generally discouraged due to the increased risk of severe liver damage. Additionally, taking the medicine within one hour of the drug Cholestyramine may reduce its absorption, and a mandatory separation period is noted.

Q: Does Quitadol interact with over-the-counter pain relievers like ibuprofen?

According to official drug interaction information, taking Quitadol alongside Nonsteroidal Anti-inflammatory Drugs (NSAIDs) like ibuprofen may be permitted under certain conditions. However, this combination is noted to potentially increase the risk of certain adverse side effects.

Q: Can Quitadol be taken alongside common vitamin supplements?

Official drug interaction information highlights potential concerns when combining Quitadol with common supplements. This is based on findings that high doses of certain vitamins, such as Vitamin C, may potentially increase the concentration of the medicine in the body.

Q: What should I know about taking herbal remedies with Quitadol?

Official information highlights potential concerns regarding herbal remedies, especially those that have the potential to be liver-toxic. Co-administration with such remedies may amplify the risk of liver damage associated with Quitadol.

Q: Can Quitadol interact with blood pressure medications?

Emerging evidence, which is a topic of specific caution in official documents, suggests the medicine can potentially cause a minor increase in blood pressure. This effect is observed in some individuals, particularly those with pre-existing heart conditions.

Q: If I'm taking multiple medications, how do I check for Quitadol interactions?

The official process for checking interactions involves two steps: first, reviewing the labels of all your other medicines and supplements for the presence of the active ingredient. Second, reviewing the complete medication list with a qualified health professional if questions or concerns about potential drug interactions arise.

Q: Is Quitadol addictive or habit-forming?

The medicine is classified as a non-opioid analgesic. Regulatory sources do not list it as a federally controlled substance, and the major diagnostic manual does not classify its single active ingredient as a substance use disorder.

Q: Is Quitadol a federally controlled substance?

The medicine is classified as a non-opioid analgesic. Official information confirms that Quitadol is not listed in the schedules of the U.S. Controlled Substances Act and is not designated as a federally controlled substance.

Q: Does Quitadol require regular blood tests or monitoring?

Routine blood testing is not generally mandated by official guidance for short-term use. Tests to measure the concentration of the medicine in the blood are usually only performed if an overdose is suspected or required for monitoring treatment after an overdose has occurred.

Q: Is there an official patient leaflet or information sheet for Quitadol?

Yes, all products authorized by major regulatory bodies, including the FDA and the MHRA, are required to provide official patient information leaflets or Summaries of Product Characteristics (SmPCs). These documents contain all the necessary, validated safety and usage information.

Q: Does Quitadol affect fertility in men or women?

Based on a review of the available evidence, regulatory-backed information indicates that there is no good evidence to suggest that using the medicine will negatively affect or reduce fertility in either men or women.

How should Quitadol be stored and disposed of?

Storage and Disposal Requirements for Quitadol

Official labeling mandates specific conditions for storing and discarding Quitadol (Paracetamol/Acetaminophen) to maintain its stability and ensure safety.

Storage Requirements

Quitadol must be stored at a Controlled Room Temperature, typically 20 C to 25 C (68 F to 77 F). The product must be protected from excess heat, moisture, and direct light. The container must be kept tightly closed, and liquid forms must not be frozen. To prevent accidental poisoning, Quitadol must be stored out of the sight and reach of children.

Disposal Instructions

Unused or expired Quitadol should be disposed of through an authorized drug take-back program. It is a regulatory requirement that this medicine not be flushed down a toilet or poured down a drain, as it is not on the official flush list.

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

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