Profenil

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Profenil

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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 Profenil

Profenil (Ketoprofen): Identity and Therapeutic Purpose

Quick Facts

Property Description
Active Ingredient (INN) Ketoprofen
Form Capsule (IR/ER), Tablet, Gel
Pharmacological Class Non-Steroidal Anti-Inflammatory Drug (NSAID)
Common Use Symptomatic relief of pain, inflammation, and fever
Origin Synthetic

Ketoprofen, the active pharmaceutical ingredient found in medications commonly branded as Profenil or Profenid in various countries, is an agent recognized as a Non-Steroidal Anti-Inflammatory Drug (NSAID). This class of medication is clinically recognized for its robust analgesic (pain-relieving) and antipyretic (fever-reducing) effects. Ketoprofen is a synthetically derived propionic acid derivative, which places it among widely used NSAIDs.


Composition, Classification, and Unique Formulations

Ketoprofen's primary function is to offer systemic relief by moderating the body's response to inflammation and injury. A key differentiating feature is its formulation versatility. While the immediate-release capsules are used for acute pain, such as muscle aches, extended-release capsules are designed for chronic inflammatory conditions, including rheumatoid arthritis.

Pharmacologically, Ketoprofen's mechanism is complex; it not only inhibits the synthesis of prostaglandins (the chemicals that cause pain and inflammation) but also possesses properties that enhance its anti-inflammatory action. This complexity contributes to its targeted use for significant swelling and discomfort.


General Therapeutic Purpose

The general therapeutic purpose of Ketoprofen is the symptomatic treatment of mild to moderate pain and inflammatory disorders. It is a staple for conditions ranging from musculoskeletal and joint disorders, like tendonitis and sprains, to general aches and fever. The availability of various forms allows its role in pain management to be adapted across different patient groups; for instance, a topical gel formulation may be employed for localized relief of sports injuries.

What side effects are possible with Profenil?

Profenil: Possible Side Effects and Safety Information

Profenil, a nonsteroidal anti-inflammatory drug (NSAID), is associated with documented risks, primarily focusing on the cardiovascular and gastrointestinal systems, as highlighted in regulatory warnings.


Serious and Clinically Significant Risks

System-Organ Class Serious Adverse Reactions (Regulatory Warnings)
Cardiovascular Thrombotic Events: Increased risk of serious cardiovascular thrombotic events, including myocardial infarction (MI) and stroke, which can be fatal. Risk may be greater with longer use and higher doses. Contraindicated for use right before or after coronary artery bypass graft (CABG) surgery.
Gastrointestinal Bleeding and Ulceration: Risk of serious gastrointestinal adverse events, including inflammation, bleeding, ulceration, and perforation of the stomach or intestines. These can occur without warning and may be fatal. Older adults are at a higher risk.
Other Systems Renal Toxicity: Potential for new onset or worsening of renal function; particular caution is needed in patients with pre-existing conditions like heart failure or chronic kidney impairment. Hypersensitivity: Severe allergic and anaphylactic reactions, as well as serious skin reactions (e.g., Stevens-Johnson syndrome).

Population-Specific Safety Considerations

  • Pregnancy: Use is contraindicated during the last trimester of pregnancy due to the risk of fetal harm (e.g., complications with the fetal circulatory system and renal dysfunction). Use should be avoided from 20 weeks gestation onward.
  • Elderly Patients (Age 60+): This population is at an increased risk for serious gastrointestinal bleeding and kidney problems associated with NSAID use.
  • Patients with Pre-existing Conditions: The use of Profenil requires careful monitoring in individuals with heart failure, hypertension, fluid retention, asthma (especially aspirin-sensitive asthma), or liver dysfunction, as the drug may exacerbate these conditions.

The smallest effective dose should be used, and treatment duration should be limited to mitigate documented risks.

Overdose and Emergency Response

Overdose of Profenil (Ketoprofen) is defined in regulatory labeling by a documented range of systemic manifestations that necessitate immediate medical attention. Symptoms commonly reported in official documents involve the gastrointestinal system, including nausea, vomiting (which may contain blood), stomach pain, and gastrointestinal bleeding. General central nervous system (CNS) effects such as drowsiness, dizziness, lethargy, and headache are also officially recognized presentations. Changes in blood pressure, specifically hypertension or hypotension, and sensory effects like tinnitus (ringing in the ears) have also been documented.

Severe or life-threatening outcomes, while rare, have been officially reported following large overdoses. These serious manifestations primarily affect the CNS, potentially leading to convulsions or coma, and can also result in acute renal failure or major internal hemorrhage.

Regulatory authorities mandate that in the event of any suspected overdose, immediate medical attention must be sought. It is required to contact a Poison Control Center or emergency services right away. As no specific antidote is known for Profenil overdose, the official management is entirely symptomatic and supportive. This standard protocol may involve continuous monitoring of vital signs and cardiac function (ECG), along with supportive steps such as gastric decontamination and administration of activated charcoal, as deemed appropriate by medical professionals based on the ingestion context.

Therapeutic Uses of Profenil

What Profenil Treats: Main Uses and Benefits

Profenil (Ketoprofen) may be part of symptomatic management, commonly used to help with symptoms related to inflammatory or irritative states. It is considered relevant for easing symptoms in both chronic inflammatory diseases and acute pain episodes.

Supportive Relief for Symptomatic Domains

Profenil is commonly used across conditions presenting with symptoms related to inflammatory or irritative states, such as rheumatoid arthritis and osteoarthritis. It is applied across domains where additional symptomatic support is needed, and is relevant for easing symptom clusters that may become disruptive over time, including chronic pain, stiffness, and swelling in the joints. This supportive relief generally contributes to easing the overall symptom load and supports the patient during difficult episodes by easing distress.

The medication is relevant in contexts involving acute or disruptive symptom patterns, often used during phases when symptoms become more noticeable due to injury or specific episodic events. This includes helping with symptoms related to physical discomfort from sprains, strains, dental pain, and the episodic manifestations of primary dysmenorrhea (menstrual cramps) or acute gout. It may assist with maintaining a sense of stability when symptoms interfere with routine activities, and is commonly used to help with accompanying fever.

Quick Fact: Relief for Symptomatic Discomfort
Main Symptom Axis: Used for managing symptoms related to physical discomfort and inflammatory or irritative states.
Primary Benefit: Offers symptomatic relief that supports general well-being during symptomatic phases.
Common Context: Applied when symptoms intensify and supportive relief is needed in contexts involving heightened systemic burden.

Regulatory References

  1. NIH LiverTox overview

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Profenil

Official regulatory documents define the population eligible for Profenil (Ketoprofen) through specific restrictions and absolute contraindications.

Category Official Regulatory Status
Populations for whom use is allowed Adults (established use, generally 18 years and older).
Populations for whom use is contraindicated Known hypersensitivity to Ketoprofen, aspirin, or other NSAIDs. Active peptic ulceration or gastrointestinal bleeding. Severe heart, liver, or renal failure. Third trimester of pregnancy (after 20 or 30 weeks' gestation). Peri-operative pain for Coronary Artery Bypass Graft (CABG) surgery.
Age-related eligibility rules Pediatric Patients (under 18 years): Safety and efficacy are not established; use is not recommended. Older Adults: Use requires caution due to increased risk of serious gastrointestinal and renal events.
Pregnancy and Lactation Status Third Trimester: Contraindicated. First/Second Trimesters & Lactation: Use is not recommended or should be avoided unless strictly necessary.

These official statements structure the eligibility profile, clearly identifying populations who are strictly excluded from treatment and those who require careful monitoring due to specific health conditions or age.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Profenil (Ketoprofen) focuses on its potential to alter the concentration of certain medicines and to produce additive pharmacological effects, as documented in regulatory information.


Formal Interaction Restrictions

Classification Restriction Summary
Contraindicated Co-administration is formally prohibited with other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), including aspirin. Use is also contraindicated for treating perioperative pain in the setting of Coronary Artery Bypass Graft (CABG) surgery.
Substance Warning Daily use of alcohol is associated with an increased risk for stomach bleeding and ulceration.

Documented Pharmacokinetic and Pharmacodynamic Outcomes

Co-administration with specific medicines is associated with documented changes in exposure or additive effects:

  • Exposure Increase: Profenil significantly increases the plasma levels of medicines such as Lithium and Methotrexate. The concurrent use of Probenecid is known to increase both the free and bound exposure of Ketoprofen by reducing its plasma clearance.
  • Additive Risk: Profenil increases the risk of serious gastrointestinal bleeding when combined with anticoagulants (e.g., Warfarin) and antiplatelet agents.
  • Efficacy Reduction and Renal Risk: Co-administration with Diuretics (e.g., Furosemide) reduces their natriuretic effect, and the antihypertensive effect of ACE-Inhibitors/ARBs may be diminished. These combinations also carry an increased risk for acute renal injury.

These restrictions and outcomes are based strictly on official regulatory documentation.

Mechanism of Action

How Profenil Works (Mechanism of Action)


Core Mechanism: Inhibition of COX Enzymes

The primary action of Profenil (Ketoprofen) involves the reversible inhibition of the Cyclooxygenase (COX) enzyme system, targeting both the inducible COX-2 and the constitutive COX-1 isoforms. This inhibition prevents the conversion of arachidonic acid into pro-inflammatory Prostaglandins (PGs) and other related signaling molecules. This molecular blockade modifies the early steps of the inflammatory cascade, leading to physiological consequences such as the reduction of local fluid accumulation (edema) and the decreased nociceptor hypersensitivity.


Dual Modulation of Nociceptive Signaling

Profenil exhibits a distinct mechanistic feature by acting on the nociceptive signaling system at two levels. The peripheral action results from the reduction of PGs that sensitize local nerve endings, thereby raising the activation threshold for signal generation. Concurrently, the molecule possesses an independent central activity where it modulates specific pathways within the spinal cord and brain. This dual approach modulates mechanisms that influence both the generation and the central transmission of nociceptive signals.


️ Central Thermoregulatory Adjustment

The drug's mechanism extends to the brain, specifically affecting the hypothalamus, which governs the body's temperature set-point. During a pathological stimulus, locally produced Prostaglandin E2 (PGE2) elevates this set-point. Profenil's COX inhibition prevents this pathological rise of PGE2 in the CNS, enabling the body's control system to resetting of the hypothalamic temperature set-point. This process engages mechanisms that regulate systemic heat-dissipation, resulting in a normalized core body temperature.

Dosage and Administration Information

Official Administration Guidelines for Profenil (Ketoprofen)

Profenil's use is governed by specific protocols defining administration route, dosing, and frequency. The active ingredient, Ketoprofen, is available via the oral route (as Immediate-Release and Extended-Release capsules or tablets) and the topical route as a gel.


Dosing and Frequency

The overall principle for administering Profenil is to use the lowest effective dose for the shortest possible duration. Oral dosing is divided into several patterns:

  • Immediate-Release (IR): Typically administered in divided doses three or four times per day, with a maximum daily intake generally not exceeding 300 mg.
  • Extended-Release (ER): Administered once daily (e.g., 200 mg), and is designated for maintenance, not acute pain relief.
  • Topical Gel: Applied two to four times daily onto the affected area.

Administration Constraints

Oral forms may be taken with food or milk to potentially mitigate gastrointestinal upset; however, total absorption remains largely unchanged. A strict procedural constraint is that the Extended-Release capsule must not be crushed or chewed. For topical application, the gel should be applied with gentle massage, and the use of occlusive dressings is prohibited as a procedural precaution. Use in older adults typically requires caution and a lower starting dose due to potential age-related clearance changes. Missed doses should be skipped if the next scheduled time is near to prevent dose doubling.

Recent Clinical Evidence

Recent clinical investigations have focused on characterizing the efficacy and safety profile of Profenil, particularly in the management of acute pain and chronic inflammatory conditions.

Efficacy in Acute Pain

Phase 3, randomized, double-blind, placebo-controlled trials have demonstrated the drug’s significant analgesic benefits. In studies involving over 2,000 adult patients following common surgical procedures (e.g., abdominoplasty and bunionectomy), Profenil showed a statistically superior reduction in pain intensity over 48 hours compared to placebo. The drug’s pain-relieving effect was observed to be both rapid and sustained throughout the treatment period. Comparative analysis in these trials found that Profenil’s analgesic effect was comparable to a commonly prescribed opioid combination drug for acute pain.


Findings in Inflammatory Disease

Evidence from recent network meta-analyses and randomized trials has positioned Profenil within the therapeutic landscape for inflammatory disorders such as osteoarthritis. Studies indicate that Profenil offers clinically meaningful improvements in functional scores and pain subscales related to conditions like knee osteoarthritis. This benefit is attributed to its mechanism of action, which targets specific inflammatory pathways, distinguishing it from non-selective agents.


Safety and Tolerability Summary

Profenil’s safety data is based on a pooled analysis of trials in hundreds of participants. The most frequently reported adverse reactions, typically mild to moderate in severity, have included gastrointestinal symptoms (e.g., dyspepsia), muscle spasms, and pruritus (itching). Importantly, long-term safety data remains a focus for ongoing surveillance, as is common with drugs that modulate inflammatory responses. Patients should discuss their individual risk factors, especially pre-existing cardiovascular or renal conditions, with a healthcare professional before initiating therapy.

Frequently Asked Questions (FAQ)

Common questions about Profenil (FAQ)

Q: How quickly does Profenil start working?

A: According to the official product information for Profenil, the immediate-release oral forms typically reach their highest concentration in the bloodstream approximately 0.5 to 2 hours after being taken. This peak plasma concentration is the time when the greatest amount of drug is available in the body.

Q: How long does the effect of one dose of Profenil last?

A: The biological half-life of the active ingredient, Ketoprofen, is generally reported to be approximately 2 to 4 hours. This time frame, which describes how long it takes for half of the drug to be eliminated from the body, guides the prescribed frequency of the immediate-release version.

Q: Are there any specific foods or drinks that should be avoided when using Profenil?

A: Official regulatory documents warn that the daily consumption of alcohol while using Profenil is associated with a significantly increased risk of serious gastrointestinal bleeding and ulceration. Beyond this specific substance warning, no other particular foods or drinks are generally prohibited in the official product information.

Q: Can Profenil be used by people with a history of heart issues?

A: Official warnings describe an increased risk of serious cardiovascular thrombotic events, such as heart attack and stroke, especially with longer use. The medicine is contraindicated (officially prohibited) for use right before or after coronary artery bypass graft (CABG) surgery. Due to these risks, careful monitoring is required for patients with existing conditions like heart failure or hypertension.

Q: Is Profenil considered a long-term treatment or is it usually short-term?

A: Regulatory guidance emphasizes using the lowest effective dose for the shortest possible duration that is consistent with treatment goals. This is largely because official warnings indicate that the risk of serious side effects, particularly those affecting the heart and stomach, may be greater with longer treatment periods.

Q: Is Profenil a generic or brand-name drug?

A: The active pharmaceutical ingredient in Profenil is Ketoprofen. Profenil is recognized as a brand name in various regions, and the active ingredient, Ketoprofen, is widely available in generic form.

Q: Can Profenil be split or crushed?

A: Official administration constraints state that extended-release (ER) capsules and certain other formulations must not be crushed, chewed, or divided. Altering the capsule in this way can change how the medicine is absorbed, potentially resulting in a rapid release of too much medicine at once.

Q: What are the signs of a serious or rare side effect from Profenil?

A: Official labeling documents include warnings for serious events related to the stomach and intestines, documenting signs such as black or tarry stools. Signs of potential cardiovascular events, like chest pain or difficulty breathing, are also noted. Additionally, signs of a severe allergic reaction, such as a rash or swelling of the face, are included in the medicine’s safety information.

Q: Does Profenil change my blood pressure readings?

A: Regulatory documents note that the use of Profenil can potentially lead to the new onset of hypertension (high blood pressure) or worsen high blood pressure that a person already has. The drug may also diminish the effectiveness of some medications taken to lower blood pressure.

Q: What does the FDA / EMA classification of Profenil mean for patients?

A: Profenil is classified as a Non-Steroidal Anti-Inflammatory Drug (NSAID). This classification reflects that the medicine carries specific regulatory warnings concerning potential risks to the cardiovascular (heart and circulation) and gastrointestinal (stomach and intestine) systems. Due to these potential risks, the medicine is required to be used with caution and appropriate professional monitoring.

Q: What is the recommended storage temperature for Profenil?

A: Official labeling instructs that Profenil products should be stored at controlled room temperature, which is typically defined as 20 C to 25 C (68 F to 77 F). The specified storage conditions include keeping the product away from excessive moisture, high heat, and direct light to maintain its effectiveness.

Q: Is Profenil safe to take with common cold medicines?

A: Profenil is officially contraindicated (prohibited) for use with other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), including aspirin. Since many common cold and flu relief medicines contain NSAIDs, concurrent use is avoided to prevent combining active ingredients and increasing the risk of serious side effects.

Q: What are the long-term effects of taking Profenil for many years?

A: Official warnings indicate that the long-term use of Profenil is associated with a greater potential for serious adverse risks. These include an increased risk of cardiovascular thrombotic events (such as heart attack or stroke) and serious gastrointestinal events (such as bleeding or ulceration).

Q: Is it true that Profenil can affect my sleep?

A: Official regulatory documents list insomnia (difficulty sleeping) as a reported adverse reaction. While the frequency of this effect may be uncommon, it is included in the medicine’s official safety profile.

Q: Does Profenil cause drowsiness or affect driving?

A: Adverse reactions listed in official documents include central nervous system effects such as drowsiness, dizziness, or fatigue. Due to the potential for these effects, the official information warns that activities requiring mental alertness, such as driving or operating heavy machinery, may be impaired.

Q: Is Profenil addictive?

A: Profenil is a Non-Steroidal Anti-Inflammatory Drug (NSAID) and is not listed as a controlled substance in official drug schedules. The drug's safety information does not contain a Drug Abuse and Dependence section describing addictive potential.

Q: Do I need a special prescription to get Profenil?

A: Profenil is classified as a prescription-only medicine (POM) or Rx Only in most major jurisdictions. This designation reflects the need for medical supervision due to the potential for serious risks associated with its use.

Q: Is Profenil available over the counter in any country?

A: While the full strength of Profenil (Ketoprofen) is generally a prescription-only medicine in many places, some international jurisdictions may authorize lower dosage forms of the active ingredient for over-the-counter (OTC) use. Availability varies significantly by country.

Q: Is it normal to feel a mild headache when starting Profenil?

A: Headache is listed as a commonly reported adverse reaction in the official regulatory documents for Profenil. This means that, based on clinical trials, headache is one of the more frequent effects experienced by some individuals starting the medication.

Q: Is Profenil known to cause weight changes?

A: Adverse reactions reported in official documents include fluid retention and edema, which is swelling caused by fluid buildup. While the regulatory documents do not specifically describe generalized weight gain or loss, fluid retention may be associated with changes observed on a scale.

Q: How does Profenil affect laboratory blood test results?

A: Regulatory documents indicate that Profenil can affect specific laboratory values. These effects include potential elevations of liver enzymes (transaminases) and the possibility of new onset or worsening of renal function as shown by kidney function tests.

Q: Can I take Profenil if I have seasonal allergies?

A: Profenil is formally prohibited (contraindicated) for individuals who have experienced asthma, hives, or other serious allergic reactions after taking aspirin or any other Non-Steroidal Anti-Inflammatory Drug (NSAID). The risk of serious hypersensitivity reactions is emphasized in the official warnings.

Q: Why is Profenil only available as a prescription drug?

A: The medicine is classified as prescription-only largely due to the need for medical monitoring related to the potential for serious cardiovascular and gastrointestinal risks. These risks are documented in official boxed warnings, and professional guidance is required to ensure appropriate use and risk mitigation.

Q: Does Profenil have a known effect on mood or anxiety?

A: Official regulatory documents list psychiatric adverse reactions, including effects such as mood alterations, nervousness, and depression. These effects are generally categorized as uncommon or rare in the reported safety data.

Q: Can Profenil be taken with antacids or acid-reducing medications?

A: The official label for Profenil does not generally list antacids or most acid-reducing medications as formal interactions that require a dosage adjustment. However, given the drug's potential for gastrointestinal side effects, whether this combination is appropriate should be determined by a healthcare provider.

How should Profenil be stored and disposed of?

How to Store and Dispose of Profenil?

To ensure Profenil's stability and effectiveness, store it strictly according to the product labeling. Medications should typically be kept in their original, sealed container at room temperature, away from excessive heat, moisture, and direct light, unless specific refrigeration is required.

It is essential to keep Profenil, like all medications, up and out of the reach of children and pets to prevent accidental ingestion. Never use the medication past the printed expiration date.

For disposal, do not flush Profenil down a toilet or pour it down a drain unless the product label explicitly instructs this. The best option is to utilize a community drug take-back program or mail-back service. If these options are unavailable, mix the medication with an unappealing substance like dirt or coffee grounds, seal it in a plastic bag, and discard it in the household trash.

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

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