Antalgil

Quick links to important sections

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 Antalgil

Property Description
Active ingredient Ibuprofen
Form Film-coated tablet
Pharmacological class Non-Steroidal Anti-Inflammatory Drug (NSAID)
General purpose Symptomatic relief of pain, inflammation, and fever
Origin Synthetic compound (propionic acid derivative)

Antalgil is a single-ingredient synthetic medicinal product whose active component is Ibuprofen, which belongs to the therapeutic class of Non-Steroidal Anti-Inflammatory Drugs (NSAIDs). The drug is chemically defined as a propionic acid derivative, a classification indicating its precise molecular structure. This oral preparation is commonly presented as a film-coated tablet, designed for systemic absorption and distribution throughout the body.


What Type of Medicine is Antalgil?

Antalgil's classification as an NSAID fundamentally defines its mode of action in the body. The drug functions by interfering with the physiological production of prostaglandins, which are substances that mediate the pain sensation, trigger inflammatory responses, and regulate body temperature. Ibuprofen acts as a non-selective inhibitor of cyclooxygenase (COX) enzymes. This mechanism is utilized for controlling pain and fever in various populations. As a non-opioid pain reliever, its triple action—analgesic (pain-relieving), anti-inflammatory, and antipyretic (fever-reducing)—is what sets Ibuprofen apart from single-action pain relievers.


Composition and General Therapeutic Benefit

The composition of Antalgil relies solely on the active substance Ibuprofen, making it a monotherapy product commonly used for managing acute physical symptoms. For instance, it is often employed to relieve the pain and inflammation associated with mild conditions like muscular strain. The general therapeutic benefit for the patient is the provision of effective symptomatic relief for acute discomfort and elevated temperature. By reducing the body's ability to produce the key mediators of these responses, the medication provides a measurable impact on patient comfort, representing a reliable and well-established approach within the general pharmaceutical domain.

What side effects are possible with Antalgil?

Possible side effects and safety information

The safety profile of Antalgil (Ibuprofen), a Non-Steroidal Anti-Inflammatory Drug (NSAID), is formally documented across multiple System-Organ Classes (SOC) and classified by frequency as Common, Uncommon, Rare, or Very Rare in regulatory labeling.

Key Adverse Reaction Categories

Classification Affected System-Organ Classes (SOC)
Common Gastrointestinal Disorders (e.g., dyspepsia, nausea, abdominal pain); Nervous System Disorders (e.g., headache, dizziness)
Uncommon to Rare Skin and Subcutaneous Tissue Disorders (e.g., rash, pruritus); Immune System Disorders (hypersensitivity); Blood and Lymphatic System Disorders; Hepato-biliary and Renal Disorders

Serious Safety Risks and Patterns

Regulatory sources highlight two major safety concerns that may be fatal and can occur at any time during treatment:

  • Gastrointestinal Risk: Increased risk of serious adverse events, including bleeding, ulceration, and perforation of the stomach or intestines. This risk is officially noted to be higher in the elderly.
  • Cardiovascular Thrombotic Events: Increased risk of serious events such as Myocardial Infarction (MI) and Stroke. This risk may increase with long-term continuous use and is associated with high doses (e.g., 2400, mg/day), as stated in the FDA Prescribing Information.

Other serious documented risks include Severe Cutaneous Adverse Reactions (SCARs), such as Stevens-Johnson Syndrome (SJS), with the highest risk period documented as being early in the course of therapy.

Population-Specific Safety Restrictions

Official labeling defines specific restrictions for certain populations and pre-existing conditions:

  • Pregnancy: The medication is contraindicated from the beginning of the third trimester (30 weeks gestation) due to the risk of premature closure of the fetal ductus arteriosus and fetal renal dysfunction. Use is also restricted for peri-operative pain after Coronary Artery Bypass Graft (CABG) surgery.
  • Aspirin-Sensitive Asthma: Use is restricted in patients who have experienced asthma, urticaria, or allergic-type reactions after taking aspirin or other NSAIDs.

Overdose and Emergency Response

Overdose and when to seek help

A suspected overdose of Antalgil (Ibuprofen) requires immediate medical attention. Regulators explicitly mandate contacting a Poison Control Center or emergency services right away if overdose is suspected. This immediate action is necessary because, while many ingestions may result in mild symptoms, massive doses carry the risk of severe systemic outcomes.

Documented Manifestations and Severe Outcomes

Official labeling states that overdose presentation can include common gastrointestinal symptoms (nausea, vomiting, abdominal pain), central nervous system (CNS) effects such as headache, dizziness, and drowsiness, and sensory disturbances like tinnitus. Severe or life-threatening outcomes documented in regulatory sources include seizures, coma, metabolic acidosis, acute kidney failure, respiratory depression, and significant hypotension or cardiac arrhythmias. The elderly population is specifically documented to be at greater risk for serious gastrointestinal complications.

Official Emergency Response

Treatment for an overdose is defined as symptomatic and supportive, as no specific antidote is known. Procedures that may be considered include the administration of activated charcoal or gastric lavage within one hour of ingestion of a potentially toxic amount. Hospital observation and continuous monitoring of vital signs are required to manage potential severe complications.

Therapeutic Uses of Antalgil

What Antalgil Treats: Main Uses and Benefits

Antalgil (Ibuprofen) may be part of symptomatic management across multiple therapeutic domains, and is relevant across therapeutic domains involving three primary symptom axes: pain, inflammation, and fever. This medication is commonly used when additional support for symptom management is needed.

It is relevant for managing symptoms that interfere with daily functioning, such as common headache, toothache (odontalgia), muscle pain, or the elevated temperature (pyrexia) that accompanies systemic illness. This is applied in clinical settings that involve acute or unstable symptom patterns, offering symptomatic relief that helps ease the overall symptom burden.

This medication is also relevant in conditions involving inflammatory or irritative processes, including arthritis, minor sprains and strains, and pain associated with menstrual cramping (primary dysmenorrhea). In clinical settings marked by recurrent or episodic manifestations, Antalgil supports patients by helping to maintain a sense of stability when symptoms, such as migraine attacks or postoperative pain, become more noticeable.


Quick Fact: Relief for Acute Musculoskeletal Pain
Common Use Context: Applied in scenarios where additional management of discomfort is required following minor injuries, may assist with easing associated swelling and stiffness.

Regulatory References

  1. NIH MedlinePlus Drug Information overview

Eligibility and Restrictions for Use

Eligibility Scope

Category Official Regulatory Statement
Populations for whom use is allowed Adults and adolescents (12 years and over) are generally permitted to use over-the-counter (OTC) formulations. Children aged 3 months and older are eligible for use under medical supervision, often via weight-based liquid formulations.
Populations for whom use is contraindicated Patients with known hypersensitivity to ibuprofen or other NSAIDs, including those with aspirin-sensitive asthma. Individuals with active gastrointestinal bleeding or recurrent peptic ulceration. Patients with severe heart failure (NYHA Class IV), severe renal failure, or severe hepatic failure.

Eligibility Classifications

Category Regulatory Status
Pregnancy Eligibility Status Contraindicated in the third trimester of pregnancy. Regulatory guidance recommends avoiding use at 20 weeks or later in pregnancy due to the risk of fetal renal dysfunction. Use during the first two trimesters is permitted only when clearly necessary.
Age-Related Restrictions OTC adult-strength tablets are not recommended for children under 12 years. The older adult population is eligible, but official labels mandate the lowest effective dose for the shortest duration due to an increased risk of serious gastrointestinal events.
Condition-Specific Rules Use is contraindicated for treating pain right before or after Coronary Artery Bypass Graft (CABG) surgery. Caution is required for patients with a history of heart disease, uncontrolled hypertension, or mild-to-moderate renal or hepatic impairment.

Connection to the overall eligibility profile

Regulatory documents define Antalgil's use by establishing absolute contraindications based on critical organ function and high-risk medical history, such as severe heart, kidney, or liver failure and NSAID hypersensitivity. For populations with higher but non-prohibitive risks, such as older adults and those with cardiovascular conditions, official labeling mandates restricted use under strict conditions.

What should I know about interactions with other medicines?

Antalgil, which contains ibuprofen, is a Non-Steroidal Anti-inflammatory Drug (NSAID). Its use with other medications requires careful consideration due to the potential for significant interactions. These interactions often stem from ibuprofen's effect on blood clotting, stomach lining, and kidney function.

Clinically Relevant Interactions

Interacting Product Category Potential Effect of Interaction
Anticoagulants (e.g., warfarin, heparin) Increased risk of serious bleeding and gastrointestinal hemorrhage. Close monitoring is essential.
Other NSAIDs (including COX-2 inhibitors) Greatly increased risk of gastrointestinal ulcers and bleeding. Concurrent use is generally avoided.
Low-dose Aspirin (for heart protection) Ibuprofen may interfere with the antiplatelet effect of aspirin, potentially reducing its cardioprotective benefit, especially with regular use.
Diuretics and Antihypertensives (e.g., ACE Inhibitors, ARBs) Ibuprofen may reduce the blood pressure-lowering and fluid-removing effects of these medicines. This combination may also increase the risk of kidney damage, especially in the elderly or those with existing risk factors.
Corticosteroids or SSRIs Increased risk of gastrointestinal bleeding.
Lithium or Methotrexate Ibuprofen can increase the blood levels of these drugs, raising the risk of toxicity. Lower doses or alternative pain relief may be necessary.

It is critical to inform a healthcare provider of all prescription, over-the-counter, and herbal products currently being taken before starting an ibuprofen-containing medicine.

Mechanism of Action

Targeting the Cyclooxygenase (COX) Enzyme System

Antalgil's mechanism involves the non-selective, reversible inhibition of the Cyclooxygenase (COX) enzymes, encompassing both the COX-1 and COX-2 isoforms. These enzymes serve as the critical catalyst in the arachidonic acid cascade, the metabolic pathway responsible for converting the substrate into key local mediators, including prostaglandins and thromboxanes.

Modulating Prostanoid Synthesis and Physiological Responses

By blocking COX enzyme activity, the drug rapidly suppresses the synthesis of these eicosanoid mediators. Prostaglandins are signaling molecules involved in sensitizing peripheral afferent nerve endings and elevating the body's thermoregulatory set point within the hypothalamus. This mechanistic interference modulates activity within these specific humoral pathways, resulting in altered afferent nerve signal transmission and hypothalamic temperature regulation.

Dual Action Across COX-1 and COX-2 Pathways

Antalgil is classified as a non-selective inhibitor, engaging both COX-1 (associated with homeostatic processes) and COX-2 (often induced during specific physiological challenges). The mechanistic consequence of blocking the induced COX-2 pathway involves a significant reduction in the synthesis of prostanoids relevant to temperature elevation and neural sensitization, while its influence on COX-1 results in additional modulation of homeostatic prostanoid-regulated processes.

Dosage and Administration Information

How to Use Antalgil

Antalgil, which contains the active substance Ibuprofen, is administered according to established dosing and scheduling principles. The medication is generally intended for short-term use and must be administered at the lowest effective dosage for the shortest duration necessary to manage symptoms.

Administration and Dosing Protocol

The primary and most common route of administration for Antalgil is oral (e.g., film-coated tablets). The active ingredient is also authorized for intravenous use in specific clinical and hospital settings. Standard adult dosing for symptomatic relief typically involves single doses ranging from 200 mg to 400 mg. For chronic inflammatory conditions, the total daily dose is divided and may range from 1200 mg up to a maximum daily dose of 3200 mg, depending on the therapeutic context.

Usage Constraint Standard Instruction
Dosing Frequency Doses are scheduled for administration every 4 to 6 hours as needed, and must be separated by a minimum of four hours.
Intake Condition The oral tablet may be taken with food or milk to reduce the potential for gastrointestinal irritation, although it can be administered under fasting conditions.
Population Rule Dosing for older adults requires particular attention, with the lowest possible dose used for the shortest duration.

If a scheduled dose is missed, it should be skipped if it is almost time for the next scheduled intake, and the patient should return to the regular schedule.

Recent Clinical Evidence

Research evidence / Overview of Studies for Antalgil

Evidence for Use in Acute Pain and Inflammation

Research concerning Antalgil’s clinical evaluation in acute symptomatic episodes is primarily based on short-term Randomized Controlled Trials (RCTs). These studies were applied in research contexts involving fluctuating or unstable symptoms, such as those experienced after minor dental procedures or in cases of muscle strain and common headache. Researchers explored outcomes related to physical discomfort, primarily monitoring the change in patient-reported pain scores and assessing the frequency of supplemental pain relief medication use over short, defined time intervals.

Studies monitored how symptoms evolved in the observed populations, and findings describe patterns observed in the studies where pain scores were monitored following administration. The evidence level for these short-term outcomes is considered High. However, research so far indicates that comparative evidence is limited or mixed when studies examined Antalgil against certain other standard pain relievers across all acute symptomatic episodes.


Evidence for the Management of Fever (Pyrexia)

Antalgil was evaluated in studies focusing on elevated body temperature, or fever. The research is primarily composed of RCTs and systematic reviews, with a significant focus on the pediatric population. Studies examined outcomes related to systemic or functional imbalance, such as the absolute change in measured body temperature and the duration of that change.

Studies monitored that the administration of Antalgil was associated with a change in body temperature within the studied short-term timeframe compared to baseline. The evidence level supporting the study outcomes for fever is widely regarded as High. Data for certain groups remain insufficient; for example, evaluative data specifically concerning fever change in healthy adult populations are not as robust as the large volume of data collected for children.


Evidence for Primary Dysmenorrhea and Chronic Rheumatic Conditions

Primary Dysmenorrhea (Menstrual Cramping)

Antalgil was evaluated in studies focusing on conditions characterized by fluctuating or episodic manifestations, specifically menstrual cramping (Primary Dysmenorrhea). Research examined patient-reported outcomes describing perceived discomfort and outcomes reflecting daily functioning.

Trials explored how symptoms evolved in the observed populations, with studies describing patterns in patient-reported pain scores during the observation period compared to placebo. Follow-up durations were limited to observing one or a few menstrual cycles.

Chronic Rheumatic Conditions

Research explored Antalgil's profile in longer-term trials focusing on conditions marked by functional limitations, such as Osteoarthritis and Rheumatoid Arthritis. These studies monitored outcomes reflecting daily functioning or activity level, including measures of stiffness and mobility. Long-term studies reported how symptoms evolved in the observed populations, and the evidence level for these long-term studies is generally Moderate.


What is Still Uncertain About the Research for Antalgil

Regulatory and scientific reviews consistently point to several areas where the evidence is limited or where further research is needed. Long-term effects are not fully established for patients using Antalgil intermittently over many years, as most formal RCTs focus on short-term symptom changes. Comparative evidence is lacking or findings were mixed when trying to definitively characterize outcomes related to physical discomfort across all acute symptomatic episodes. Follow-up durations were limited in many core studies, which contributes to uncertainty.

Key Studies & References

  1. Comparison between ibuprofen and paracetamol in primary dysmenorrhea (RCT)

Frequently Asked Questions (FAQ)

Common questions about Antalgil (FAQ)


Q: What should I do if I miss a dose?

If a dose is missed, official regulatory instructions generally state to skip the missed dose if it is almost time for the next scheduled dose. The recommended approach is to return to the regular schedule to prevent potential overuse of the medicine.


Q: Does Antalgil treat my high blood pressure?

No, Antalgil is not approved as a treatment for high blood pressure. Label information includes a warning that this class of medicine may be associated with new or worsening high blood pressure (hypertension). It may also reduce the intended effects of certain blood pressure-lowering medications.


Q: How does Antalgil relieve pain and fever?

Antalgil is thought to act by interfering with the body’s production of substances called prostaglandins. These substances are chemical messengers that promote inflammation, signal pain, and elevate body temperature. By reducing their synthesis, the medication helps provide symptomatic relief.


Q: How long does Antalgil take to start working?

Official information regarding how the drug is absorbed indicates that it is rapidly absorbed. The active substance typically reaches its highest concentration in the bloodstream approximately one to two hours after administration.


Q: Can I drink alcohol while taking Antalgil?

Regulatory warnings highlight that the risk of serious stomach bleeding is increased if a user consumes three or more alcoholic drinks every day while taking this medication. Product labels emphasize the importance of discussing alcohol consumption with a healthcare provider.


Q: Is there a maximum number of days I can take Antalgil?

For over-the-counter strengths of Antalgil, regulatory bodies generally advise against taking it for longer than 10 days for pain or longer than 3 days for fever. It is important not to exceed these limits without the specific direction of a healthcare professional.

How should Antalgil be stored and disposed of?

The storage and disposal of Antalgil (Ibuprofen tablets) are governed by specific regulatory requirements to ensure product quality and public safety.

Official Storage Requirements

Condition Regulatory Mandate
Temperature Store at Controlled Room Temperature, typically not exceeding 25 C (77 F) [Source 4.1, 4.5].
Protection Keep the product in its original outer carton to protect from light and moisture [Source 4.5].
Child Safety It is mandatory to keep the medication out of the sight and reach of children [Source 4.2].

Official Disposal Instructions

Disposal of unused or expired tablets must be in accordance with local requirements [Source 2.1]. A universal instruction from regulatory authorities is not to dispose of the product into wastewater (e.g., sink or toilet), as the active substance poses a risk to the environment. The preferred method for discarding is utilizing an authorized drug take-back program or collecting facility [Source 1.2, 1.5]. If a take-back option is unavailable, the drug should be mixed with an undesirable substance (e.g., coffee grounds) and sealed before being placed in the household trash [Source 2.6].

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

Available in countries:

Equivalent of Antalgil found in:

A-Z Index: