Metafen Ibuprofen

Medically reviewed

Last updated on 10/01/2026

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 Metafen Ibuprofen

Quick Facts

Property	Description
Active Ingredient	Ibuprofen (INN)
Form	Oral dosage form (Tablet, Oral Suspension)
Pharmacological Class	Nonsteroidal Anti-inflammatory Drug (NSAID)
Common Use	Symptomatic relief of pain, inflammation, and fever
Origin	Synthetic (Propionic acid derivative)

What Type of Medicine is Metafen Ibuprofen?

Metafen Ibuprofen is a pharmaceutical preparation whose active ingredient, Ibuprofen, is classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). This chemical entity is a synthetic drug and a monocomponent product, belonging specifically to the propionic acid derivative group. The effectiveness of NSAIDs for managing pain and inflammation is established.

The NSAID classification defines the medicine's mode of action, providing a comprehensive profile that includes analgesic (pain-relieving), anti-inflammatory (swelling-reducing), and antipyretic (fever-reducing) effects. The preparation is intended for oral administration, facilitating a systemic effect throughout the body.

Composition and Pharmaceutical Form

The core of Metafen Ibuprofen is the single active ingredient, Ibuprofen (INN). The chemical structure of this compound is clearly identified, confirming its foundation as a singular chemical entity used for therapeutic purposes.

This active compound is typically formulated into an oral dosage form, most frequently as a tablet or film-coated tablet, but is also available as an oral suspension. The preparation includes inactive components (such as binders and coatings) which are necessary to create a stable final product structure and ensure the proper absorption of Ibuprofen in the body.

General Purpose: Anti-inflammatory, Analgesic, and Antipyretic Action

The general purpose of Metafen Ibuprofen is to provide symptomatic support by targeting the underlying processes that cause discomfort. This is achieved through its ability to temporarily inhibit the production of prostaglandins, which are key chemical messengers that mediate inflammation, pain, and fever responses. By disrupting this synthesis, the drug provides simultaneous relief from pain, swelling, and elevated body temperature, which is the defining characteristic of its broad application.

What side effects are possible with Metafen Ibuprofen?

Possible side effects and safety information

Ibuprofen, the active ingredient in Metafen Ibuprofen, has an officially documented safety profile, with potential adverse reactions generally classified by the frequency of their occurrence and the body's system affected.

Official Adverse Reaction Scope

Adverse effects are categorized by System-Organ Class (SOC), with primary focus on Gastrointestinal Disorders, Cardiovascular Disorders, and Renal and Urinary Disorders.

Classification	Examples of Reactions (Regulatory Terminology)
Common	Dyspepsia, nausea, vomiting, abdominal pain, headache.
Uncommon	Hypersensitivity reactions (e.g., rash), renal impairment.
Rare	Gastrointestinal perforation or severe bleeding, aseptic meningitis, severe liver dysfunction.

Serious adverse reactions documented in regulatory sources include Serious Cardiovascular Thrombotic Events (such as myocardial infarction and stroke) and severe Gastrointestinal Bleeding, Ulceration, and Perforation. The risk for these serious events is associated with high doses (e.g., 2400 mg/day) and may increase with duration of use.

Population and Contextual Safety

Severe Cutaneous Adverse Reactions (SCARs), including Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), are rare but documented risks, with patients at the highest risk early in the course of therapy.

Specific safety considerations exist for certain groups. The elderly have an increased frequency of adverse reactions, particularly fatal gastrointestinal bleeding. Use is contraindicated during the third trimester of pregnancy due to risks to the fetus. Furthermore, use is contraindicated in individuals with severe heart failure (NYHA Class IV), severe renal failure, or severe hepatic failure, as stated in official labeling.

Overdose and Emergency Response

Overdose and When to Seek Help

The information below summarizes the official, label-based regulatory documentation regarding an overdose of Ibuprofen and mandated emergency actions.

Feature	Official Regulatory Statement
Documented overdose presentations	CNS effects (drowsiness, confusion, agitation, convulsions) and GI disturbances (nausea, vomiting, abdominal pain, heartburn, diarrhea, tinnitus).
Physiological systems affected	Gastrointestinal, Central Nervous System, Renal (acute kidney failure), Cardiovascular (hypotension/shock), and Metabolic (acidosis).
Dose-related or exposure-related factors	The risk of chronic organ injury is associated with the ingestion of very large overdoses.
Population-specific overdose notes	Individuals aged 60 or older have a documented increased risk of serious gastrointestinal bleeding events.
Emergency-response statements	Seek immediate medical attention or contact a Poison Control Center immediately. Management is supportive, as no specific antidote is known.
When immediate medical help is required	Required for suspected overdose or presentation of severe manifestations such as chest pain, shortness of breath, sudden weakness, or slurred speech.

Official Overdose Statements

Severe outcomes documented include acute kidney failure, metabolic acidosis, gastrointestinal bleeding, and, in rare cases, cardiac arrest.
Immediate medical attention must be sought for suspected overdose or upon the presentation of any severe symptom, as mandated by regulatory authorities.
Management involves observation and supportive care, including the administration of activated charcoal, intravenous fluids, and respiratory support, based on the official documentation.

Connection to the Official Overdose Profile

The regulatory documents strictly define the overdose profile by listing specific systemic manifestations, emphasizing severe or life-threatening outcomes, and subsequently mandating immediate emergency action. This structure informs the user about the clinically documented overdose patterns and the necessity of seeking urgent, supportive medical care as the required official response.

Therapeutic Uses of Metafen Ibuprofen

Metafen Ibuprofen provides a core supportive therapeutic benefit by addressing the three main symptom axes of pain, inflammation, and fever. This medication is commonly used in situations involving certain distressing symptoms that may interfere with daily comfort. The primary purpose is to offer supportive relief when symptoms become more noticeable.

The medication is applicable across therapeutic domains where short-term symptom management is needed, particularly for acute presentations like headaches, dental pain, pain from minor injuries or muscular aches, and the symptomatic burden of conditions such as osteoarthritis, rheumatoid arthritis, and menstrual cramps. It generally helps address symptom clusters that may appear suddenly or intensify temporarily.

Quick Fact: Focus on Main Symptom Areas

Domain	Focus Symptom	Intended Support
Analgesia	Mild to moderate pain	Eases overall symptom burden
Anti-inflammatory	Swelling and stiffness	Contributes to easing the overall symptom load
Antipyretic	Elevated temperature	Assists with maintaining functional stability

This use of Ibuprofen is relevant in clinical settings marked by heightened inflammation or systemic imbalance, providing supportive relief when symptoms interfere with routine activities.

Regulatory References

NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Official Eligibility Profile

Metafen Ibuprofen (Ibuprofen, an NSAID) is governed by strict population eligibility rules set by health authorities.

Eligibility Scope

Populations for whom use is allowed: Adults, adolescents, and children generally 6 months of age and older. Use is also considered compatible with breastfeeding.
Populations for whom use is contraindicated: Individuals with known hypersensitivity to Ibuprofen or any other NSAID (including aspirin-induced asthma or urticaria). Use is prohibited for pain management right before or after CABG heart surgery.
Condition-specific eligibility rules: Use is strictly contraindicated in patients with active gastrointestinal ulceration or bleeding and those with severe heart, renal, or hepatic impairment. Older adults (60 years) are classified as a high-risk group.
Pregnancy Status: Use is contraindicated at and after 20 weeks gestation due to documented risk of fetal renal and cardiovascular issues.

Eligibility Classifications (High-Level)

Severity Classification: Contraindicated, Restricted Use, Use Not Established (for infants < 6 months).

Connection to the Overall Eligibility Profile

Regulatory documents define eligibility through mandatory exclusions based on hypersensitivity, critical concurrent diseases, and late-stage pregnancy. For eligible populations, use is restricted to the shortest duration possible, particularly when risk factors for cardiovascular disease, gastrointestinal problems, or advanced age are present.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Ibuprofen defines specific restrictions and interaction patterns with co-administered substances, classified by their outcome on drug clearance or pharmacodynamics.

Documented Interaction Patterns

Interaction Type	Interacting Medicines	Official Regulatory Outcome
Contraindicated Combinations	Other NSAIDs (including COX-2 inhibitors)	Increased risk of gastrointestinal adverse effects and bleeding.
Reduced Drug Clearance	Lithium, Methotrexate	Decreased renal elimination leading to increased plasma concentrations and toxicity risk.
Pharmacodynamic Risk	Anticoagulants (e.g., Warfarin), Corticosteroids	Heightened risk of severe bleeding or GI ulceration.
Efficacy Interference	Anti-hypertensives, Low-dose Aspirin	Reduction of blood pressure lowering effects; potential attenuation of Aspirin's antiplatelet effect.

Official Restrictions and Notes

Regulatory labeling establishes mandatory administration timing rules for co-administration with cardioprotective low-dose Aspirin, requiring Ibuprofen to be taken either 8 hours before or 30 minutes after the Aspirin dose. The risk of gastrointestinal bleeding is officially documented to be significantly increased when combined with the daily consumption of three or more alcoholic drinks. Furthermore, interaction risks are noted to be elevated in elderly patients and those with existing renal impairment.

Mechanism of Action

Metafen Ibuprofen exerts its primary action as a reversible, non-selective inhibitor of the Cyclooxygenase (COX) enzymes, specifically COX-1 and COX-2. This molecular interaction blocks the active site of both enzymes, suppressing the conversion of arachidonic acid into prostaglandin H2 (PGH2), the necessary precursor for all prostanoids. The resulting intracellular cascade reduces the synthesis and release of key signaling molecules, such as Prostaglandin E2 (PGE2), throughout peripheral tissues. This reduction in PGE2 concentration leads to a multifaceted system-level physiological modulation.

In the peripheral neurosensory system, decreased PGE2 limits the sensitization of nociceptors, increasing the threshold required for nerve activation. Concurrently, the mechanism acts centrally in the hypothalamus, where suppression of PGE2 synthesis alters the body's thermal set-point. This physiological consequence initiates processes that regulate the core temperature and modifies local vascular and cellular activity.

Dosage and Administration Information

The administration of Metafen Ibuprofen is structured by guidelines that dictate the appropriate route, maximum dosage, and frequency patterns. The primary route of administration is oral, available in various strengths including 200 mg, 400 mg, 600 mg, and 800 mg tablets, though intravenous infusion is also an option for use in supervised settings.

Dosing regimens are distinctly segmented by use. For non-prescription (OTC) applications, the maximum adult daily dose is established as 1200 mg, taken in divided doses with at least four to six hours between each administration. For higher, prescription-level use in inflammatory conditions, the total daily dosage may range up to 3200 mg in divided doses. The foundational usage principle is to employ the lowest effective dose for the shortest duration necessary for treatment.

Oral forms should be swallowed whole and may be administered with meals or milk if digestive discomfort occurs during intake, as food minimally alters the drug's overall absorption. For pediatric use, dosing is based on body weight (e.g., 5 to 10 mg/kg), and the lowest dose is advised for older adults. Treatment duration for self-managed use is generally limited to short-term courses. If a dose is missed, it is advised to take it as soon as possible, but not to double the next dose.

Recent Clinical Evidence

Metafen Ibuprofen: Recent Clinical Evidence

Mechanism of Action Research

Studies were conducted to characterize how Metafen Ibuprofen is thought to act. Research explored the drug's activity related to inflammatory processes by examining its effect on the production of certain chemical messengers, such as prostaglandins, within the body. This understanding helps characterize the drug class to which Ibuprofen belongs.

Clinical Efficacy Studies

Short-Term Outcomes (Acute Pain)

Research has assessed the effectiveness of Ibuprofen in managing various types of acute pain, including tension headache, menstrual pain, and mild musculoskeletal injuries. Clinical trials have investigated whether participants reported a change in pain intensity and duration following administration of the drug. A number of studies involving large participant groups have been used to establish the standard dosing guidelines for short-term use.

Long-Term Outcomes (Chronic Conditions)

Studies focused on chronic pain conditions like rheumatoid arthritis and osteoarthritis have also been conducted. Research evaluated the impact of extended use on measures of functional status and joint mobility. Evidence on the sustained maintenance of these effects requires ongoing study, and the risk-benefit profile for long-term use is continually monitored by regulatory bodies.

Safety and Tolerability Profile

Clinical trials consistently collect data on the drug’s safety profile. The most frequently reported adverse events in trials typically involve the gastrointestinal system, such as upset stomach or nausea. These events are generally reported as minor and observed for a limited duration.

Specific studies were also conducted to understand the drug's properties in participants with certain pre-existing conditions, particularly related to cardiovascular and renal health, to characterize its risk profile across various populations.

Frequently Asked Questions (FAQ)

Common questions about Metafen Ibuprofen (FAQ)

Q: How can a user identify the signs of a possible serious side effect from Metafen Ibuprofen?

Official regulatory documents state that immediate emergency medical attention is necessary if certain warning signs are noticed. These signs of a possible serious adverse event include vomiting blood, having bloody or black stools, slurred speech, chest pain, or experiencing sudden weakness in one part of the body.

Q: Can taking Metafen Ibuprofen cause or worsen high blood pressure?

Official product information indicates that Ibuprofen can potentially lead to the onset of new high blood pressure or may worsen high blood pressure that already exists. For this reason, regulatory documents recommend that blood pressure is monitored closely throughout the course of treatment.

Q: Are dizziness or drowsiness listed as known side effects of Metafen Ibuprofen?

Yes, regulatory documents list potential effects on the central nervous system. These include reports of dizziness and somnolence, which is the medical term for drowsiness. Other related effects such as headache and nervousness are also noted.

Q: Why are stomach ulcers mentioned as a risk associated with ibuprofen-containing medications?

The risk of stomach ulcers is related to the drug's mechanism of action. Ibuprofen works by inhibiting the COX-1 enzyme, which is responsible for producing protective prostaglandins. Reducing these prostaglandins compromises the natural defense barrier of the stomach lining against gastric acid.

Q: Is Metafen Ibuprofen generally appropriate for use by elderly patients?

Official guidelines indicate that elderly patients (generally aged 65 or older) are classified as high-risk, necessitating careful management. This population has an increased frequency of adverse effects, such as gastrointestinal bleeding and heart failure. The general regulatory principle is to use the lowest effective dose necessary for treatment.

Q: Is it necessary to stop taking Metafen Ibuprofen before certain types of surgery?

The medicine is strictly contraindicated for pain relief immediately before or after a Coronary Artery Bypass Graft (CABG) surgery. Given the drug's known risk of bleeding and its anti-platelet effect, official sources note that consultation with a healthcare provider is required before any scheduled procedure.

Q: What kind of symptoms are associated with taking more than the maximum recommended amount of Metafen Ibuprofen?

Official sources classify taking more than the maximum recommended amount as a medical emergency. Symptoms of overdose are commonly related to the central nervous system or the gastrointestinal system. These effects may include severe drowsiness, vomiting, or breathing difficulties.

Q: What common over-the-counter cold and flu medicines should be checked for interactions with Metafen Ibuprofen?

Official labeling contraindicates combining the medicine with any other product that contains a Non-Steroidal Anti-Inflammatory Drug (NSAID). Therefore, checking product labels for other NSAIDs is necessary to avoid potential contraindications, including those found in some cold and flu remedies.

Q: How long after taking Metafen Ibuprofen can a user expect to feel pain relief?

According to official product information, the medicine is rapidly absorbed following oral administration. The maximum concentration in the blood, which typically corresponds with the peak pain-relieving effect, is reached within 1 to 2 hours.

Q: Does Metafen Ibuprofen affect brain receptors in a way that causes a 'high' or euphoric effect?

The mechanism of action is limited to the inhibition of chemical messengers called prostaglandins, primarily affecting pain, inflammation, and fever. While the official labeling confirms some effects on the central nervous system, such as dizziness or confusion, euphoria or abuse potential is not documented.

Q: Can Metafen Ibuprofen be taken close to the time of a minor dental procedure?

Ibuprofen has an anti-platelet effect that can temporarily prolong bleeding time, which is a key factor in surgical and dental procedures. Due to this potential bleeding risk, consultation with the healthcare provider or dentist is necessary before any minor procedure.

Q: Are there known effects of Metafen Ibuprofen on alertness or the ability to drive?

Regulatory documents note that adverse effects on the central nervous system, such as dizziness, fatigue, or drowsiness (somnolence), can occur. Official cautions note that if these effects are experienced, activities like driving or operating machinery may be affected.

How should Metafen Ibuprofen be stored and disposed of?

Storage and Disposal of Ibuprofen (Metafen)

Storage Conditions

Ibuprofen must be stored at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F), with permissible excursions up to 30 C. The medicine must be protected from excessive heat (above 40 C), direct light, and moisture, and should not be frozen. It is a mandatory requirement to keep the product out of the sight and reach of children at all times.

Disposal Instructions

Unused or expired Ibuprofen should be disposed of in accordance with local requirements. The preferred method is using an official drug take-back location. If this is unavailable, the U.S. FDA advises mixing the medicine with an undesirable substance, such as dirt or cat litter, placing the mixture in a sealed container, and discarding it in the household trash. The medicine should not be flushed down the toilet.

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

Available in countries:

Poland

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