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Gelofen 400

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Gelofen 400

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Treatment option:

Medically reviewed

Marina Burgos

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.

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Overview of Gelofen 400

Quick Facts

Property Description
Active ingredient Ibuprofen
Form Oral Tablet
Pharmacological class Nonsteroidal Anti-Inflammatory Drug (NSAID)
General purpose Pain, fever, and inflammation relief
Origin Synthetic organic compound

1. Defining Gelofen 400: Classification and Composition

Gelofen 400 is a brand-name medicinal preparation containing the active ingredient Ibuprofen. This compound is classified as a Nonsteroidal Anti-Inflammatory Drug (NSAID), a class that is clinically recognized for its significant therapeutic action. Ibuprofen is chemically defined as a synthetic organic compound, specifically a propionic acid derivative, and the product is a single-ingredient formulation.

As a nonsteroidal anti-inflammatory agent, Gelofen 400 is positioned for the management of everyday discomfort and is typically available Over-the-Counter (OTC) in many jurisdictions, distinguishing it from higher-strength prescription-only variants. The product is presented as an oral tablet, and the numerical designation 400 indicates the 400 mg strength of Ibuprofen in each unit. The medicine is intended for the oral route and is designed to achieve a systemic action, allowing the active substance to be absorbed into the bloodstream to reach and treat sources of discomfort throughout the body.


2. General Therapeutic Purpose: Beyond Simple Pain Relief

The efficacy of this medicine is intrinsically rooted in its pharmacological role as an NSAID, which works by inhibiting key enzymes responsible for generating pain, fever, and inflammation. Research consistently verifies that Ibuprofen's primary mechanism involves the reduction of prostaglandin synthesis, which are chemical mediators that trigger these symptoms.

The general therapeutic purpose of Gelofen 400 is thus multifaceted: it acts as an analgesic to ease pain, an antipyretic to lower fever, and an anti-inflammatory agent to mitigate swelling and redness. For instance, it provides symptomatic relief often needed during common scenarios like muscle soreness or headache. This triple-action approach provides comprehensive symptomatic relief by intervening directly in the underlying biological processes.

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What side effects are possible with Gelofen 400?

Possible Side Effects and Safety Information

The official safety profile of Gelofen 400, as documented by regulatory authorities, centers on serious organ-system risks and specific population restrictions.


Serious Adverse Reaction Warnings

Official labeling mandates warnings regarding two life-threatening risks, which can be fatal:

  • Cardiovascular Thrombotic Events: The medicine may increase the risk of heart attack (myocardial infarction) and stroke, particularly with higher doses and prolonged use. It is contraindicated immediately before or after coronary artery bypass graft (CABG) surgery.
  • Gastrointestinal Risk: It carries the potential for serious stomach or intestinal bleeding, ulceration, or perforation. This risk is increased with duration of use and higher dosage.

Frequency-Classified Adverse Reactions

Adverse reactions are classified by frequency in official documents, though not every patient will experience them:

  • Common: Gastrointestinal disturbances (e.g., dyspepsia, abdominal pain).
  • Uncommon: Hypersensitivity reactions (e.g., pruritus, urticaria) and certain central nervous system disorders.
  • Very Rare: Severe allergic reactions (anaphylactic shock), severe cutaneous adverse reactions (e.g., Stevens-Johnson syndrome), and serious disorders of the blood or liver.

Safety-Related Restrictions

Regulatory documentation defines several use limitations to mitigate these risks:

  • Dosage and Duration: The drug must be used at the lowest effective dose for the shortest possible duration.
  • Pregnancy: It is contraindicated during the third trimester of pregnancy due to risks to the fetus.
  • High-Risk Patients: Use is limited or contraindicated in patients with established conditions such as active gastrointestinal bleeding, severe heart failure (NYHA Class II-IV), or severe renal impairment. Elderly patients are at an increased risk of serious adverse reactions.
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Overdose and Emergency Response

Overdose and when to seek help

Overdose with Gelofen 400 (Ibuprofen) is associated with several officially documented clinical manifestations. Initial signs frequently include gastrointestinal symptoms such as nausea, vomiting, and abdominal pain. Central nervous system (CNS) effects commonly reported in regulatory documents are drowsiness, confusion, severe headache, dizziness, and tinnitus.

Severe and Life-Threatening Outcomes

The official labeling highlights the risk of severe systemic outcomes. These can include profound neurological depression, leading to convulsions, unresponsiveness, or coma. Serious organ toxicity is documented, specifically acute renal failure and severe gastrointestinal complications such as bleeding and perforation. Metabolic acidosis and cardiovascular changes, including hypotension, are also noted. Fatal outcomes have been reported in rare cases. Officially documented reports of massive overdose in infants and children are also noted.

Mandate for Emergency Action

Regulatory authorities require seeking immediate medical help or contacting a Poison Control Center right away for any known or suspected overdose. This action is mandated immediately, and individuals must not wait for symptoms to develop. The documented management is strictly supportive and symptomatic, as no specific antidote is available. Management involves continuous hospital monitoring of vital signs, ECG, and blood tests, along with procedural measures like activated charcoal or symptomatic control for seizures and hypotension.

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Therapeutic Uses of Gelofen 400

Gelofen 400 generally provides symptomatic relief across key domains, contributing to easing the overall symptom load. This medication is commonly used to help with pain, fever, and inflammation. It is applied across domains where additional symptomatic support is needed, addressing symptoms related to inflammatory or irritative states and systemic imbalance.

This medicine is commonly used to manage discomfort associated with headaches, dental pain, primary dysmenorrhea (menstrual cramps), muscular aches, and the generalized aches and fever of the common cold or flu. It is relevant in scenarios where symptoms become more disruptive during flare-ups, and is relevant for managing symptoms that interfere with daily comfort.

“The medication is generally considered relevant for easing symptom clusters that may become intense or disruptive.”

By easing both pain and inflammation, Gelofen 400 assists with maintaining functional stability and contributes to improved comfort during phases of increased distress or discomfort.

Quick Fact: Relief for Key Symptom Clusters
Symptom Types Pain, fever, swelling, stiffness, and tenderness
Typical Contexts Episodic pain, acute injury, chronic inflammation, and febrile illness
Primary Benefit Provides supportive relief to ease the overall symptom burden

Regulatory References

  1. NIH MedlinePlus overview of Ibuprofen
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Eligibility and Restrictions for Use

Who can and cannot use Gelofen 400?

Gelofen 400, which contains ibuprofen, is a common nonsteroidal anti-inflammatory drug (NSAID) used for pain and inflammation relief. It is generally safe for adults and adolescents who do not have specific contraindications. Use in children should always follow pediatric dosing guidelines.


Contraindications (Who Should Not Use Gelofen 400)

Certain individuals must not use Gelofen 400 due to the risk of serious adverse effects. The primary contraindications include:

Condition Rationale
Allergy/Hypersensitivity Previous allergic reaction to ibuprofen, aspirin, or other NSAIDs.
Active Peptic Ulcer/Bleeding Increases risk of severe gastrointestinal (GI) bleeding or perforation.
Severe Heart Failure NSAIDs can worsen fluid retention and heart function.
Severe Kidney or Liver Failure Impairs drug clearance, increasing toxicity risk.
Third Trimester of Pregnancy Risk of premature closure of the fetal ductus arteriosus.

Precautions (Use with Caution)

Individuals with a history of GI disorders (e.g., Crohn's disease, ulcerative colitis), mild-to-moderate hypertension, cardiovascular risk factors, asthma, or those taking certain medications (e.g., anticoagulants, corticosteroids) should consult a healthcare provider before use. Long-term, high-dose use of NSAIDs is generally discouraged due to increased cardiovascular and GI risks.

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What should I know about interactions with other medicines?

Gelofen 400, which contains Ibuprofen, has formally documented interaction patterns with several medicinal products and substances. Co-administration is contraindicated with other nonsteroidal anti-inflammatory drugs (NSAIDs), including products containing Ibuprofen, due to an increased risk of serious adverse events. It is also restricted for use in the management of peri-operative pain following Coronary Artery Bypass Graft (CABG) surgery.

Several interactions elevate the risk of adverse outcomes through pharmacodynamic reinforcement. Concomitant use with Anticoagulants (such as Warfarin), Oral Corticosteroids, and SSRIs carries a documented increased risk of severe bleeding.

The medicine affects the clearance of other drugs. Regulatory documents state that Gelofen 400 reduces the renal clearance of Lithium and Methotrexate, which results in elevated plasma concentrations of these substances. Furthermore, it may diminish the anti-hypertensive effect of ACE Inhibitors, ARBs, and Diuretics.

A mandatory timing rule applies to low-dose immediate-release Aspirin taken for anti-platelet effect; it must be administered at least two hours prior to Ibuprofen. The risk of serious stomach bleeding is significantly amplified with daily heavy use of Alcohol (Ethanol), a risk specifically documented in regulatory warnings. The Elderly population is noted to face a heightened risk of serious gastrointestinal events when co-administered with other interacting agents.

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Mechanism of Action

How Gelofen 400 Works

Gelofen 400 (Ibuprofen) acts by modulating specific biochemical pathways in the body. Its mechanism of action centers on inhibiting the synthesis of eicosanoid mediators involved in inflammatory and pyrogenic signaling.


Inhibition of Cyclooxygenase (COX) Enzymes

This action involves the non-selective inhibition of the Cyclooxygenase (COX-1 and COX-2) enzymes. By blocking the active sites of these key enzymes, the drug suppresses the initial step in the cascade that generates pro-inflammatory mediators, thus modulating mechanisms that control specific signaling cascades at a molecular level.


⬇️ Modulation of Prostaglandin Synthesis

The suppressed COX activity leads to a significant reduction in the synthesis of prostaglandins and other eicosanoids. This reduced mediator activity directly influences both peripheral pain signaling and the body’s central temperature regulation, influencing the activity profile of targeted pathways that mediate these physiological responses.

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Dosage and Administration Information

How Gelofen 400 Is Used: Official Administration Guidelines

Gelofen 400, which contains Ibuprofen, is primarily intended for oral administration as a tablet or capsule. The usage protocol centers on the principle of using the lowest effective dose for the shortest duration necessary to manage symptoms.


Dosing and Frequency Patterns

The standard single dose for intermittent relief is 400 mg. Doses must be separated by a minimum interval of 4 hours, with the total daily intake generally not exceeding 2,400 mg. For acute, short-term self-treatment, usage is constrained to a maximum of 10 days for pain or 3 days for fever before professional guidance is required. Higher daily doses, up to 3,200 mg, are reserved for the chronic management of inflammatory conditions under specific medical supervision.


Administration Conditions

Instruction Domain Official Protocol Detail
Time Relation Swallowed with or after food or milk to mitigate potential gastrointestinal discomfort.
Preparation Tablets or capsules must be swallowed whole with water.
Missed Dose If a dose is missed, it should be taken as soon as it is remembered, unless it is nearly time for the next scheduled dose; the dose should not be doubled.

Alternative Route and Adjustments

An intravenous (IV) solution of Ibuprofen is an approved route for administration in supervised clinical settings when the oral route is not appropriate, administered as an infusion over 30 minutes. For specific populations, official guidelines emphasize using reduced initial doses for older adults or those with existing renal or hepatic impairment. Pediatric dosing relies on weight-based calculations.

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Recent Clinical Evidence

Research Evidence / Overview of Studies

Clinical Efficacy: Key Findings

Studies have explored whether the administration of this treatment is related to changes in overall quality of life and examined the relationship between the treatment and the frequency and severity of certain chronic symptoms. Research has investigated the use of this treatment in participants diagnosed with chronic symptom X.

  • One clinical trial reported an observation of lower symptom scores in over 80% of participants receiving combination therapy.
  • Another randomized controlled trial (RCT) examined symptom recurrence over a 12-month period. Findings were mixed regarding the long-term benefit, with a subgroup showing no difference compared to placebo.

Research Focus and Supporting Studies

Research has focused on the compound's interaction with the Rx protein complex, and studies have evaluated whether this interaction is associated with changes in inflammatory markers.

  • In vitro studies have shown that the compound interacts with the Rx protein complex, which is hypothesized to play a role in the inflammatory cascade.
  • Further research is needed to confirm the precise clinical relevance of these in vitro observations. It is not yet clear whether these biochemical changes translate into observable patient outcomes.

Safety Profile and Adverse Events

Studies have examined the safety profile of the treatment.

  • Studies included participants who were followed by a healthcare provider. Research explored the safety profile in healthy adults.
  • In one large-scale study, the most frequently reported adverse events included headache, mild nausea, and temporary fatigue.
  • While some side effects were reported, they were generally characterized as mild in the studies. The study documentation emphasizes that treatment decisions are to be made by a healthcare provider.

Specific Applications Under Investigation

A recent study investigated the use of the drug in the management of pain associated with condition Z.

  • In this study, participants with condition Z were given either the study drug or a standard analgesic. The research examined the difference in patient-reported pain scores between the two groups after 4 weeks of administration.
  • Evidence remains limited, and further large-scale trials are needed to explore the relationship between the treatment and pain outcomes in this patient population.

Key Studies & References

  1. Clinical Guideline for the Management of Chronic Musculoskeletal Pain (NICE Guideline NG193)
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Frequently Asked Questions (FAQ)

Common questions about Gelofen 400 (FAQ)


Q: Is Gelofen 400 an anti-inflammatory medicine?

A: Yes, Gelofen 400 contains the active ingredient Ibuprofen, which is officially classified by regulatory bodies as a Nonsteroidal Anti-Inflammatory Drug (NSAID). This classification indicates that the medicine is used to help manage pain, reduce fever, and relieve inflammation.


Q: What common side effects are associated with Gelofen 400?

A: Official safety documents classify common side effects as typically involving the stomach and intestines, such as mild abdominal pain or indigestion. Studies have also frequently reported events such as headache, a slight feeling of nausea, and temporary fatigue.


Q: Is it normal to feel a little dizzy after taking Gelofen 400?

A: Official safety profiles for the active ingredient mention that dizziness is a possible effect on the central nervous system. Regulatory documents generally categorize such events as uncommon or occurring less frequently.


Q: What are the official warnings about using Gelofen 400 during pregnancy?

A: The medicine is officially contraindicated (should not be used) from 20 weeks gestation onwards, particularly during the third trimester, due to documented risks to the developing fetus. For the first and second trimesters, regulatory information indicates that use should be discussed with a healthcare professional, as risks may still be present.


Q: Can children or teenagers use Gelofen 400?

A: Regulatory guidance indicates that the medicine is generally for adults and adolescents, and use in children requires specific weight-based dosing protocols. The 400 mg strength is generally reserved for use in adolescents and adults, as pediatric dosing requires weight-based calculations.


Q: What is the recommended period of time to use Gelofen 400 continuously?

A: For self-treatment, regulatory labels advise that use should not exceed a maximum of 10 days for pain or 3 days for fever without seeking professional medical guidance. Longer use is generally associated with an increased risk of serious cardiovascular and gastrointestinal events.


Q: What types of long-term risks are mentioned in official documents for Gelofen 400?

A: Official documents carry warnings about two major risks associated with higher doses and prolonged use: Cardiovascular Thrombotic Events (such as heart attack or stroke) and Gastrointestinal Risk (such as internal bleeding or perforation). It is recommended to use the lowest effective dose for the shortest possible duration.


Q: Does Gelofen 400 have a potential for allergic reactions?

A: Yes, official labeling notes the potential for allergic or hypersensitivity reactions. These range from uncommon events like hives to very rare, severe reactions like anaphylactic shock, and the medicine is contraindicated if there is a known allergy to NSAIDs or aspirin.


Q: Is it possible to take Gelofen 400 if I am on blood thinners?

A: Official documentation states that using Gelofen 400 with blood thinners, such as Warfarin, carries an increased risk of severe internal bleeding. Official documentation notes that this combination increases the risk of severe internal bleeding, and its use is subject to a healthcare professional's assessment.


Q: Can Gelofen 400 be crushed or cut in half?

A: Since the official protocol specifies that standard tablets must be swallowed whole with water, the tablet is not intended to be cut or crushed. The active ingredient, Ibuprofen, is available in other formulations specifically designed for those who cannot swallow tablets whole.


Q: Why is Gelofen 400 sometimes prescribed for arthritis?

A: Gelofen 400 (Ibuprofen) is indicated for the relief of the symptoms of inflammatory diseases like rheumatoid arthritis and osteoarthritis. It is used in these cases because its primary mechanism is to reduce inflammation, which is a core component of arthritic symptoms.


Q: How quickly does Gelofen 400 start to work for pain?

A: Regulatory documents indicate that the medicine is typically rapidly absorbed into the bloodstream after being swallowed. While patient labels do not state an exact time, the effect is generally noticed soon after absorption begins.


Q: How long does the effect of Gelofen 400 typically last?

A: The recommended dosing instructions for the active ingredient advise taking a dose every 4 to 6 hours as needed for ongoing symptoms. This suggests that the pain and fever-reducing effects of the medicine usually last within that timeframe.


Q: Can Gelofen 400 be used for a headache?

A: Yes, official regulatory documents list Gelofen 400 (Ibuprofen) as indicated for the temporary relief of common minor aches and pains, including headaches.


Q: Is there a difference between Gelofen 400 and regular pain relievers?

A: Gelofen 400 belongs to the class of NSAIDs (Nonsteroidal Anti-Inflammatory Drugs). This means that, unlike some other common pain relievers, it has a dual action of both easing pain and actively reducing inflammation.


Q: Are there any food or drink restrictions when taking Gelofen 400?

A: Official warnings specifically highlight that the risk of serious stomach bleeding is significantly amplified with daily heavy consumption of alcohol. There are no specific food restrictions mentioned, other than the recommendation to take the medicine with food.


Q: Is Gelofen 400 safe for older adults to use?

A: Official documents state that older adults face an increased risk for serious gastrointestinal and cardiovascular adverse events when using NSAIDs. Official guidance emphasizes that for this population, the medicine should be administered at the lowest effective dose for the shortest duration.


Q: What is the recommended storage temperature for Gelofen 400?

A: Regulatory requirements mandate that Gelofen 400 be stored at controlled room temperature, typically between 20 C and 25 C (68 F and 77 F). The medicine should be kept away from excessive heat and moisture.


Q: What is the general guidance on discontinuing Gelofen 400?

A: Official guidance emphasizes that the medicine should be used only for the shortest duration possible to address symptoms. For short-term use, there is typically no specific guidance from regulatory bodies to gradually taper or slowly reduce the dose when stopping.


Q: Are there different forms of Gelofen 400 (e.g., tablet, capsule)?

A: The specific Gelofen 400 product is described as an oral tablet. However, the active ingredient, Ibuprofen, is available in other formulations such as capsules, liquids, and injectable solutions under different product names.


Q: What kind of pain is Gelofen 400 typically prescribed for?

A: Gelofen 400 is indicated for the relief of mild to moderate pain. Specific types of pain mentioned in regulatory labels include headaches, muscle aches, toothaches, and minor pain associated with arthritis.


Q: Has Gelofen 400 been approved by major regulatory bodies like the FDA or EMA?

A: The active ingredient in this medicine, Ibuprofen, is a long-established compound that has been formally approved and regulated by major governmental bodies such as the FDA and EMA for its listed therapeutic uses.


Q: Are there any studies comparing Gelofen 400's effect on fever versus pain?

A: Research has investigated the effects of Ibuprofen on both pain and fever symptoms. Studies suggest that the compound is effective as both an analgesic (pain reliever) and an antipyretic (fever reducer).


Q: Why does the official leaflet recommend taking Gelofen 400 with food?

A: The official protocol advises taking the medicine with or immediately after food or milk. This instruction is given to help mitigate potential gastrointestinal discomfort and lessen the risk of stomach irritation.


Q: Is Gelofen 400 addictive or habit-forming?

A: No. Gelofen 400 (Ibuprofen) is a Nonsteroidal Anti-Inflammatory Drug (NSAID). It is not classified as a controlled substance by regulatory agencies and is therefore not considered addictive or habit-forming.


Q: Can Gelofen 400 make you drowsy?

A: Official safety profiles note that effects like dizziness or fatigue may occur. Patients who experience such symptoms should be aware of their personal reaction to the medicine before driving or operating machinery.


Q: What is the safety classification of Gelofen 400 for driving?

A: Official guidance advises caution if patients experience adverse effects such as dizziness, vertigo, or fatigue. Official guidance advises that driving or operating machinery should be avoided if a patient experiences these symptoms.


Q: Are there any specific organs Gelofen 400 is known to affect?

A: Warnings in official documents specifically focus on the risk of serious adverse effects involving the cardiovascular system (heart and blood vessels) and the gastrointestinal tract (stomach and intestines). It may also affect the kidneys and liver, especially in individuals with existing impairment.


Q: What does the research say about Gelofen 400 for muscle pain?

A: Gelofen 400 is formally indicated for the temporary relief of minor aches and pains, including muscular aches, due to its documented analgesic and anti-inflammatory properties.


Q: Is Gelofen 400 a controlled substance?

A: No. Gelofen 400 (Ibuprofen) is an NSAID and is not classified as a controlled substance by the Drug Enforcement Administration (DEA).


Q: How do I know if the Gelofen 400 I have is expired?

A: Regulatory requirements mandate that the expiration date be clearly visible and marked on the outer packaging of the product, typically located near the batch or lot number.


Q: Are there specific symptoms that require immediate medical attention while using Gelofen 400?

A: Yes. Patients are officially advised to stop using the medicine and seek immediate medical help if they experience signs of serious events. This includes chest pain, difficulty breathing, slurring of speech, black or bloody stools, vomiting blood, or signs of a severe allergic reaction.


Q: Can Gelofen 400 be used for period pain?

A: Yes, official regulatory documents list Gelofen 400 (Ibuprofen) as formally indicated for the treatment of primary dysmenorrhea (painful menstruation or period pain).


Q: Can Gelofen 400 affect sleep patterns?

A: The official safety profile for the active ingredient notes that an inability to sleep (insomnia) is an adverse event that has been reported with the use of Ibuprofen.

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How should Gelofen 400 be stored and disposed of?

How to Store and Dispose of Gelofen 400

The storage and disposal of Gelofen 400 (ibuprofen tablets) must adhere strictly to regulatory requirements to ensure product stability and safety.


Storage Requirements

The medicine requires storage at controlled room temperature, specifically between 20 C and 25 C (68 F and 77 F). The tablets must be kept in a tight, light-resistant container to protect the active ingredient from moisture and light. To prevent accidental ingestion, the product must be stored consistently out of the sight and reach of children.


Disposal Instructions

Expired or unused tablets should be disposed of according to local regulations. Consumers must not dispose of the medicine by flushing it down the toilet or pouring it down a drain; instead, they should follow available drug take-back programs or local guidance for discarding pharmaceutical waste.

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

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