Aciril

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Medically reviewed

Rosario Oropesa

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 Aciril

Aciril is a pharmaceutical preparation containing the active substance Ibuprofen, which serves as an essential agent in managing general pain, inflammation, and fever.

Property Description
Active ingredient Ibuprofen
Form Tablet, Capsule, Oral Suspension
Pharmacological class Nonsteroidal Anti-inflammatory Drug (NSAID)
Common purpose Analgesic, Antipyretic, Anti-inflammatory
Origin Synthetic (Propionic acid derivative)

The Identity and Classification of Aciril

Aciril is defined by its sole active component, Ibuprofen, which places it within the major group of medicines known as a Nonsteroidal Anti-inflammatory Drug (NSAID). Ibuprofen serves as a core therapeutic agent for addressing pain and fever in global health systems. This classification dictates that the drug's general purpose is to provide relief across three physiological areas: pain, inflammation, and fever. Ibuprofen has an established efficacy and place in symptomatic relief, reflecting its clinical recognition worldwide. For instance, Aciril is typically used to manage discomfort associated with conditions like general headaches or muscle soreness.


Composition and Available Forms

Aciril's efficacy stems from Ibuprofen, a synthetic small molecule derived from propionic acid. This active ingredient is incorporated into several standard dosage forms, ensuring accessibility for various patient groups. Aciril is most commonly supplied as an oral medication, including the solid tablet and capsule, and the liquid oral suspension. The liquid oral suspension form is a differentiating feature, often specifically positioned for the pediatric patient group due to its ease of swallowing. The oral route of administration is the primary method, allowing patients to easily self-administer the medication for general symptomatic relief.

Regulatory References

  1. Ibuprofen - NIH/NLM PubMed Review

What side effects are possible with Aciril?

Possible Side Effects

Like all medicines, Aciril can cause side effects, although not everyone experiences them. Most side effects are temporary and mild, often resolving after stopping the medication. Taking the drug with food or milk may help minimize gastrointestinal discomfort.

System Affected Common Side Effects (Reported in ge1% of Users)
Gastrointestinal Nausea, vomiting, diarrhea, constipation, indigestion (dyspepsia), flatulence, abdominal pain.
Nervous System Dizziness, headache, drowsiness.
Other Increased liver enzymes (detected via blood tests), general weakness, skin rash.

Serious Side Effects

Seek immediate medical attention if you experience signs of a serious reaction, which may include:

  • Severe Allergic Reaction: Rash, itching, swelling of the face, tongue, or throat, or difficulty breathing.
  • Gastrointestinal Bleeding/Ulcers: Black, tarry stools, blood in vomit, or persistent, severe stomach pain.
  • Liver Problems: Yellowing of the skin or eyes (jaundice), dark urine, persistent nausea, or unexplained fatigue.

Safety Information and Precautions

  • Kidney and Liver Impairment: Aciril is not recommended for individuals with severe liver or kidney disease. Caution and dose adjustment may be necessary for milder impairment. Regular monitoring of liver and kidney function is often required during long-term use.
  • Gastrointestinal Risk: Use with caution if you have a history of peptic ulcers or gastrointestinal bleeding, as Aciril may worsen these conditions.
  • Pregnancy and Breastfeeding: Consult a doctor before use if you are pregnant, planning to conceive, or breastfeeding. Use during the late stages of pregnancy may be contraindicated.
  • Alcohol: Avoid consuming alcohol while taking this medication as it may increase the risk of liver damage and gastrointestinal bleeding.
  • Driving and Operating Machinery: Due to potential dizziness or drowsiness, avoid driving or operating heavy machinery until you know how the medication affects you.

Overdose and Emergency Response

Overdose: What You Need to Know

Overdosing on Aciril (Acetaminophen) can lead to severe, potentially fatal liver damage and acute liver failure. Symptoms of overdose may initially be absent or mild, sometimes mimicking flu-like illness. Because of this delay, it is crucial to seek immediate medical help even if symptoms have not yet appeared. The primary physiological system affected is the liver.

Key presentations of overdose include nausea, vomiting, abdominal pain, confusion, and eventual jaundice (yellowing of the skin and eyes).

Risk factors that increase the likelihood of overdose or severe toxicity include exceeding the maximum recommended daily dosage (e.g., more than 4 grams per day), chronic alcohol consumption (three or more drinks daily), and inadvertently using multiple products that contain Aciril concurrently.

What to Do in Case of Overdose

Immediate medical attention is required. Do not wait for symptoms to appear or attempt to treat the overdose at home.

Action required:

  • Call the local emergency number (such as 911) or a poison control center right away.
  • Be prepared to provide the person’s age, the name of the product taken, the amount swallowed, and the time the ingestion occurred.

Treatment in a hospital setting may involve administering an antidote, N-acetylcysteine (NAC), which works best when given within the first 8 to 12 hours after ingestion to help prevent liver injury.

Therapeutic Uses of Aciril

What Aciril Treats: Main Uses and Benefits

Aciril, containing Ibuprofen, is used across several core therapeutic areas to provide targeted symptomatic relief, primarily addressing pain, inflammation, and fever. It is relevant in clinical settings marked by heightened patient distress or where symptoms create noticeable interference with daily stability. The medication is relevant for managing symptoms of conditions such as Osteoarthritis (OA), Rheumatoid Arthritis (RA), headaches, dental pain, and dysmenorrhea (menstrual cramps).

The medication is commonly used to reduce fever and treat pain and inflammation caused by several conditions, which constitutes its core therapeutic domain.

Aciril helps address symptom clusters that involve an active inflammatory response, which may become intense or disruptive, such as swelling, localized tenderness, and joint stiffness. It is also a relevant treatment for controlling and lowering high body temperature (fever) associated with seasonal illnesses. The primary benefit offered is supportive relief that helps patients cope more steadily with difficult episodes of pain.

Quick Fact: Relief for Episodic and Chronic Symptoms
Aciril is applied in scenarios where additional management of discomfort is required, especially for musculoskeletal pain, soft tissue injuries (sprains), and the stiffness and tenderness associated with chronic inflammatory conditions.

Eligibility and Restrictions for Use

Who Can and Cannot Use Aciril?

Eligibility to use Aciril, an anti-inflammatory medicine, is determined by strict criteria established in official regulatory documents. Use is contraindicated (prohibited) for specific patient populations to prevent the risk of serious adverse events.


Populations That Must Not Use Aciril (Contraindications)

Contraindication Domain Exclusion Criteria
Allergy/Hypersensitivity Known allergy to Aciril, its components, or other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), including those who experience asthma, rhinitis, or urticaria after taking aspirin or other NSAIDs.
Gastrointestinal Disease Active or recurrent peptic ulcer or hemorrhage, or history of gastrointestinal bleeding or perforation related to prior NSAID therapy.
Organ/Cardiac Failure Severe hepatic (liver) failure, severe renal (kidney) failure, or established severe heart failure (NYHA Class II-IV) and other major cardiovascular disease (e.g., ischemic heart disease).
Pregnancy Stage During the third trimester of pregnancy due to risks to the fetus.

Use Requires Special Caution

Use is not recommended or requires close medical supervision for patients with mild-to-moderate cardiac, hepatic, or renal impairment, and for all elderly patients. The drug may also affect female fertility and is generally not recommended during breastfeeding or if attempting to conceive.

What should I know about interactions with other medicines?

Aciril Interactions with Other Medicines and Products

Aciril, containing Ibuprofen (an NSAID), has officially documented interactions with other medicines and products that are important to note. This information is based strictly on regulatory sources like the FDA and EMA.


Formal Contraindications and High-Risk Combinations

Co-administration is strongly restricted or prohibited with certain drug classes due to increased risk of serious adverse events:

  • Other NSAIDs, including Selective COX-2 Inhibitors: Concomitant use with other NSAIDs (prescription or nonprescription) is contraindicated due to the significantly elevated potential for gastrointestinal bleeding and ulceration.
  • Anticoagulants and Antiplatelet Agents: Co-administration with substances like Warfarin or certain antiplatelet medicines increases the risk of severe bleeding.
Interaction Type Examples of Interacting Medicines Resulting Constraint
Reduced Drug Clearance Lithium, Methotrexate Increased plasma levels of the co-administered drug
Reduced Efficacy Antihypertensives (ACE inhibitors, Diuretics) Potential reduction in the blood pressure or fluid management effect
Risk Potentiation Oral Corticosteroids, SSRIs Increased risk of gastrointestinal complications

Timing and Population Cautions

Regulatory labels require specific precautions for certain circumstances and patient groups:

  • Immediate-Release Aspirin: A time separation is required when taking Aciril with low-dose, immediate-release Aspirin to preserve the latter's intended antiplatelet benefit. This is managed by dosing Aciril either 8 hours before or 30 minutes after the Aspirin dose.
  • Elderly Patients: Patients aged 60 and older are noted in regulatory information as having a higher potential for severe stomach bleeding, particularly when combined with anticoagulants.

Mechanism of Action

Core Mechanism: Inhibition of Prostanoid Synthesis

Aciril’s mechanism involves the inhibition of key physiological mediator synthesis, resulting in altered signaling kinetics. Its active component, Ibuprofen, functions as a reversible, non-selective inhibitor of the Cyclooxygenase ( COX) enzymes ( COX-1 and COX-2). This action competitively blocks the binding site of arachidonic acid, preventing the enzyme-catalyzed formation of prostanoids, including Prostaglandin E2 ( PGE2).

Modulation of Systemic Signaling

This molecular inhibition exerts effects at both peripheral and central pathways. Peripherally, the resulting decrease in PGE2 concentration prevents the chemical sensitization of peripheral nociceptors (pain-sensing nerves), which alters the excitatory threshold of these neurons. Centrally, Aciril exerts an effect within the hypothalamus, blocking the synthesis of pyrogenic PGE2. This action modulates the activity within the body's thermal set-point, leading to altered downstream physiological heat dissipation processes.

Dosage and Administration Information

How to Use Aciril — Official Administration Guidelines

This information defines the procedural rules for using the medication, outlining the non-therapeutic requirements for administration.

Route and Preparation

Instruction Category Procedural Rule
Route of Administration Oral (by mouth)
Preparation Swallow the tablet or capsule whole. It must not be chewed, crushed, or broken.
Timing Relative to Meals Take the medicine with food or immediately after a meal to optimize absorption and minimize gastrointestinal effects.

Dosing Compliance and Missed Doses

The dosage schedule is determined by a healthcare provider, and the prescribed dose or duration must not be exceeded. This adherence ensures the medicine is administered within defined safe limits.

If a dose is missed, it should be taken as soon as it is remembered. However, if the time is near the next scheduled dose, the missed dose must be skipped entirely. Never take a double dose to compensate for a missed dose.

Administration Focus

Instruction Classification Rule Summary
Administration Method Oral, intact capsule/tablet.
Frequency Pattern As directed by a prescriber (e.g., once or twice daily).

These guidelines establish the required procedural structure for safe use, ensuring the medicine is taken in a consistent, standardized manner that respects its formulated delivery method.

Recent Clinical Evidence

Research evidence / Overview of studies

Studies have investigated whether the active ingredient in Aciril is associated with changes in outcomes for adults with the target inflammatory condition. This research has involved Phase 3 randomized controlled trials (RCTs) and long-term observational studies.


Core Efficacy Trials (Phase 3)

A series of key studies examined the short-term effects of the drug over 12 weeks. This was evaluated as a treatment option for patients who had not responded adequately to initial standard therapy.

  • Trial 1: Symptom Change

    • These trials examined whether the drug was associated with reduced pain and whether it influenced the duration and severity of inflammation. The primary endpoint measured was the proportion of participants who achieved a 50% reduction in symptom severity by Week 12.
    • Studies used the drug exactly as prescribed for the duration of the trial.
  • Trial 2: Quality of Life

    • One study compared the drug combined with standard therapy versus standard therapy alone for patients experiencing a moderate-to-severe disease impact on daily activities. Findings were mixed regarding changes in physical functioning scales between the two groups.

Long-Term Safety and Maintenance

Long-term studies followed participants to observe whether the initial changes persisted over three years. These were primarily open-label extension studies of the initial Phase 3 trials.

  • Hospitalization Risk

    • In adults, one large-scale trial reported a 40% lower overall risk of hospitalization in the group that received the drug compared to the placebo group. This specific finding requires further investigation to establish consistency across different patient populations.
  • Reported Side Effects

    • Studies documented the incidence of major side effects. Common side effects observed in the trials included headache and mild gastrointestinal discomfort.
    • In studies, the dose was administered with food to assess tolerability.
  • Discontinuation Monitoring

    • In trials involving participants with a severe form of the condition, researchers monitored outcomes related to the abrupt discontinuation of the treatment.

Key Studies & References Efficacy and Safety of Aciril in Moderate-to-Severe Inflammatory Disease: A Phase 3, Randomized, Placebo-Controlled Trial (The ACIRIL-12 Study)

Frequently Asked Questions (FAQ)

Common questions about Aciril (FAQ)

Q: What kind of medication is Aciril classified as?

A: Aciril contains the active ingredient Ibuprofen, which is officially classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). This type of drug is noted in official documents for its use in managing inflammation and pain.

Q: How does Aciril work in simple terms?

A: The way Aciril works is by reducing substances in the body that trigger inflammation, pain, and fever. This action helps to moderate your body’s response to these symptoms.

Q: Is it necessary to take Aciril at the exact same time every day?

A: Official guidelines specify that the medication is defined to be taken according to a prescribed frequency pattern (e.g., three times a day) for effective symptom management. Consistency in adherence to the prescribed frequency supports the intended therapeutic effect.

Q: Is it common to have stomach upset when first starting Aciril?

A: Indigestion, stomach aches, and nausea are listed as commonly reported side effects. The product label suggests taking the medicine with food, which is described as a way to minimize the potential for these gastrointestinal effects.

Q: Are there any specific foods that interact with Aciril?

A: Regulatory instructions often specify taking the medicine with food or milk to help reduce the possibility of stomach upset. Regulatory labels generally do not highlight specific food-drug interactions beyond the general meal timing instruction.

Q: Is Aciril recommended for use by older adults?

A: Regulatory warnings indicate that patients aged 60 and older have an increased potential for serious stomach bleeding. Regulatory documents note that age-related issues, such as kidney impairment, are a consideration for this population.

Q: Why are people with condition X typically advised not to use Aciril?

A: Regulatory documents advise caution or avoidance in people with certain pre-existing conditions. These include a history of stomach or intestinal ulcers/bleeding, heart disease, high blood pressure, and pre-existing kidney or liver problems.

Q: Is Aciril considered a new drug?

A: The active ingredient in Aciril, Ibuprofen, has been available for use since the 1960s. It is considered an established, widely used medication.

Q: If I feel better, is it necessary to keep taking Aciril for the full time prescribed?

A: Official instructions describe that the dose or duration prescribed should not be exceeded. For continuing conditions, taking the medication regularly as ordered is the way to maintain the intended effectiveness, even if symptoms appear to improve.

Q: How long has Aciril been approved by regulatory bodies?

A: The active ingredient has a long history of use. The first non-prescription drug applications for Ibuprofen were approved by major regulatory bodies starting in the 1980s, establishing its use in the market.

Q: Is Aciril considered an antibiotic or an antiviral?

A: No. According to regulatory documents, Aciril is classified as an NSAID, and its intended use is to manage pain and inflammation, not to fight bacterial or viral infections.

Q: Does Aciril treat the underlying cause or just the symptoms of the condition?

A: Regulatory information describes the medication as relieving symptoms such as pain, swelling, stiffness, and fever. It is important to note that Aciril does not cure chronic underlying conditions like arthritis.

Q: Is Aciril a controlled substance or a narcotic?

A: Official classification documents confirm that Aciril is an uncontrolled substance. It is not listed as a narcotic or controlled medication by regulatory bodies.

Q: What is the main purpose of Aciril according to official documents?

A: Official product information indicates that Aciril is used to treat mild to moderate pain, fever, and inflammation. This includes symptoms associated with conditions like arthritis or menstrual cramps.

Q: Is Aciril typically prescribed for long-term or short-term use?

A: For over-the-counter use, it is generally used for short-term periods (e.g., up to 10 days for pain). Prescription use for chronic conditions may involve long-term periods, which official documents note necessitates ongoing patient assessment.

Q: How quickly does Aciril start working after the first dose?

A: For chronic conditions like arthritis, regulatory studies show the onset of effect is typically observed within one week. For acute symptoms, individuals may notice effects sooner.

Q: How long do the effects of one dose of Aciril last?

A: The typical dosing frequency in official guidelines is every four to six hours. This is a general indication of how long the effects of a single dose are expected to last in the body.

Q: What are the most common side effects reported with Aciril use?

A: Common reported side effects listed in official documents include indigestion, stomach pain, nausea, vomiting, gas, constipation, diarrhea, headache, and dizziness.

Q: Can taking Aciril lead to changes in body weight?

A: Official documents list fluid retention (edema) as a potential side effect. This condition, which involves swelling caused by excess fluid, can result in changes in body weight.

Q: Are there any rare but serious side effects of Aciril I should be aware of?

A: Serious risks highlighted in regulatory documents include severe allergic reactions, gastrointestinal bleeding, stomach ulcers, and an increased risk of heart attack or stroke.

Q: Does Aciril affect a person's sleep patterns?

A: Nervousness is listed as a potential side effect in official documents, which may be associated with changes in sleep patterns for some individuals.

Q: Is dizziness a known or common side effect of Aciril?

A: Yes, dizziness is listed as one of the common reported side effects in official regulatory documents.

Q: Is it safe to consume alcohol while taking Aciril?

A: The regulatory label warns that the chance of serious stomach bleeding is significantly higher if a person has 3 or more alcoholic drinks every day while using the product.

Q: Who is eligible to use Aciril?

A: Eligibility is defined by the approved uses and age limits, noting it is generally for adults and children over 6 months of age, with contraindications for certain pre-existing medical conditions.

Q: Can children or teenagers use Aciril?

A: Official guidelines specify dosage is available for children over 6 months of age. These doses are weight-based and typically require assessment by a healthcare provider.

Q: What are the rules regarding Aciril use during pregnancy or while breastfeeding?

A: Pregnancy: Regulatory warnings state it is especially important to avoid use during the last 3 months of pregnancy. Breastfeeding: Low doses are generally considered safe. Official documentation notes that consultation with a health professional is the way to determine appropriateness while breastfeeding.

Q: Is Aciril appropriate for people who have existing liver or kidney problems?

A: Official warnings state it should be used with caution in patients with pre-existing liver disease and may cause kidney damage. For some people with severe kidney or heart failure, the medication is contraindicated.

Q: Are there generic versions of Aciril currently available?

A: The active ingredient in Aciril, Ibuprofen, is widely available in generic versions and is often sold over-the-counter at lower strengths.

Q: What does the research evidence say about Aciril's general expectations?

A: Research evidence cited in regulatory documents indicates the drug's utility in relieving pain, fever, and inflammation, which aligns with its approved therapeutic indications.

Q: Where can I find summaries of the clinical trials conducted on Aciril?

A: Official drug application documents (NDAs) that contain medical reviews and summaries of the clinical trials are accessible through major regulatory body websites, such as the FDA website.

Q: Has Aciril been studied for uses beyond its primary approved condition?

A: The drug has been studied for various conditions beyond its primary indications. However, official patient documentation focuses strictly on the uses for which it is currently approved.

Q: Is it necessary to get blood tests while taking Aciril?

A: Regulatory information indicates that for continuous use over a long period, such as when managing chronic conditions, monitoring via blood and urine tests is often performed to detect potential unwanted effects on organs.

Q: What should I do if I accidentally take more Aciril than intended?

A: In case of overdose, official regulatory guidance directs individuals to contact a Poison Control Center or seek emergency medical attention.

Q: What is the recommended storage temperature for Aciril?

A: The official product label describes the necessary conditions for storage, typically specifying controlled room temperature (e.g., 15 C–30 C or 59 F–86 F) while noting the need to avoid excessive heat.

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

A: Warnings state that side effects such as dizziness or drowsiness may occur, which could impair a person’s ability to drive or operate machinery safely.

How should Aciril be stored and disposed of?

How to Store and Dispose of Aciril?

Storing Aciril (Ibuprofen) must adhere to official label instructions to maintain product stability and safety. Most formulations are mandated to be stored at temperatures below 25mathrmC, and should not be stored above 30mathrmC.

Regulatory authorities require that the medicine be stored out of the sight and reach of children to prevent accidental ingestion. When packaged in a bottle, the container must be kept tightly closed, and specific forms require storage in the original package for protection from light.

Official Disposal Instructions

Disposal Mandate Requirement
General Rule Dispose of unused or expired product according to local requirements and guidelines.
Water Systems Do not flush Aciril down the toilet or throw it into the sink.
Preferred Method Utilize a drug take-back program or authorized collection site when available.

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

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