Ketolgin

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Medically reviewed

Marina Burgos

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 Ketolgin

Property Description
Active ingredient Ketoprofen (INN)
Form Available as tablets, solutions for injection, gels, and creams
Pharmacological class Non-Steroidal Anti-Inflammatory Drug (NSAID)
Common purpose General relief from pain, inflammation, and fever
Origin Synthetic, Phenylpropionic Acid Derivative

Ketolgin: Definition and Pharmacological Class

Ketolgin is a medicinal preparation whose active compound is Ketoprofen. It is categorically classified as a Non-Steroidal Anti-Inflammatory Drug (NSAID), a class of synthetic agents used to address pain and swelling. Chemically, Ketoprofen is a Phenylpropionic Acid Derivative. This classification defines the medicine as one that targets the underlying processes of inflammation. Understanding its designation as an NSAID confirms its primary role in the management of discomfort, distinguishing it from simple analgesic-only treatments.

Composition, Origin, and Available Forms

The therapeutic effect of Ketolgin is derived solely from the active ingredient, Ketoprofen, making it a monotherapy agent. This compound is entirely synthetic in origin and is designed to be administered through various routes. The medicine is available as oral tablets, solutions for injection for systemic use, and semi-solid preparations such as a gel or cream for topical application. The availability of the active ingredient for both systemic and topical use allows for application in cases of both widespread pain and localized discomfort, such as musculoskeletal strains.

General Purpose: Relief from Pain and Inflammation

The general purpose of Ketolgin is to provide comprehensive symptomatic relief through its primary actions: analgesic, anti-inflammatory, and antipyretic. Ketoprofen is a cyclo-oxygenase inhibitor that blocks the formation of prostaglandins, which are key components in the inflammatory pathways. This mechanism means the medicine helps to ease discomfort by inhibiting the chemicals that signal pain and cause swelling. By disrupting the body’s pain and inflammation responses, Ketolgin serves as a foundational agent for managing various forms of discomfort.

Regulatory References

  1. Ketoprofen: MedlinePlus Drug Information

What side effects are possible with Ketolgin?

Possible Side Effects and Safety Information

Ketolgin, which contains the active ingredient Ketoprofen, carries an official safety profile categorized by adverse reactions and documented regulatory constraints established by authorities such as the FDA and EMA.

Official Adverse Reaction Classification

The most frequently documented adverse effects relate to the Gastrointestinal Disorders system, including dyspepsia, nausea, abdominal pain, and diarrhea, which are classified as Common. Effects on the Nervous System, such as headache and dizziness, are also commonly reported. Rarer events include Photosensitisation and certain blood disorders.

Classification Examples of Reactions
Common Dyspepsia, nausea, headache, dizziness, peripheral edema
Rare Photosensitisation, hepatitis, severe hypersensitivity reactions
Not Known Severe skin reactions (SJS/TEN), anaphylactic shock, peptic ulcer perforation

Serious Safety Constraints

The regulatory documentation highlights risks common to the NSAID class. These include the potential for Serious Cardiovascular (CV) Thrombotic Events (e.g., myocardial infarction and stroke) and Serious Gastrointestinal (GI) Events (e.g., bleeding and perforation), which can be fatal. This risk is documented to potentially increase with the duration of use and higher doses.

Population and Exposure Considerations

Specific safety statements are documented for certain groups. Older adults are at a heightened risk for serious GI adverse events. Use is generally constrained in the third trimester of pregnancy due to potential fetal harm. Furthermore, the medicine is explicitly contraindicated for the treatment of peri-operative pain following Coronary Artery Bypass Graft (CABG) surgery.

Overdose and Emergency Response

Overdose and When to Seek Help

A suspected overdose of Ketolgin (Ketoprofen) requires immediate medical attention due to the potential for serious, life-threatening effects. Official regulatory documentation outlines specific toxic manifestations and mandatory emergency procedures.

Documented Overdose Manifestations

Reported clinical presentations of Ketoprofen overexposure include non-severe symptoms such as vomiting, drowsiness, epigastric pain, diarrhea, nausea, dizziness, tinnitus, and blurred vision. However, the serious outcomes documented in regulatory sources are severe and may be life-threatening. These include gastrointestinal bleeding, ulceration, or perforation. Other critical systemic risks are acute renal failure, seizures or coma, and the documented risk of serious cardiovascular thrombotic events. Regulatory information notes that elderly patients are at greater risk for serious gastrointestinal complications.

Required Emergency Response

Immediate medical help must be sought for any suspected overdose due to the lack of a known specific antidote. Regulatory guidance mandates contacting a local emergency number or poison control center right away, and hospitalization is required for severe symptoms. Management is strictly defined as symptomatic and supportive. Procedures documented in official labels may include gastric lavage or the administration of activated charcoal. Continuous monitoring of vital signs, alongside specific investigations such as ECG and blood and urine tests, is required in the hospital setting to manage potential complications like metabolic acidosis.

Therapeutic Uses of Ketolgin

What Ketolgin Treats: Main Uses and Benefits

Ketolgin is commonly used across domains where short-term symptom management is appropriate, applied in clinical settings that involve acute or unstable symptom patterns. It is relevant in areas where additional symptomatic support is needed, addressing the symptom clusters of pain, inflammation, and fever.

Ketoprofen is considered relevant for easing pain. The medication is used in situations involving certain distressing symptoms, which may include aches from headaches, dental discomfort, muscular aches, and menstrual cramps. It is also applied in addressing symptoms related to inflammatory or irritative states like swelling and stiffness, and it helps manage fever.

It is relevant in situations involving recurrent or episodic manifestations. By providing symptomatic relief, Ketolgin helps patients cope more steadily with symptom fluctuations, supporting general well-being during symptomatic phases.

| Quick Fact: Applicable within therapeutic areas involving Pain & Fever |

Regulatory References

  1. NIH DailyMed drug information

Eligibility and Restrictions for Use

Regulatory documents explicitly define which populations are eligible to use Ketolgin (ketoprofen) and which are excluded or restricted. Contraindications are strict exclusions based on official labeling, meaning the medicine must not be used by these groups:


Populations Not Eligible (Contraindicated)

  • Individuals with a history of hypersensitivity (asthma, urticaria, or other allergic-type reactions) to ketoprofen, aspirin, or other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs).
  • Patients with active gastrointestinal bleeding or peptic ulceration, or a history of recurrent GI ulceration/perforation.
  • Patients with severe heart failure, severe hepatic impairment, or severe renal impairment.
  • Individuals requiring treatment for perioperative pain in the setting of Coronary Artery Bypass Graft (CABG) surgery.
  • Pregnant individuals from 20 weeks gestation onward (or the third trimester).

Restricted or Cautionary Use

  • Pediatric patients (generally under 16 or 18 years) are excluded, as safety and efficacy have not been established.
  • Geriatric patients may use the medicine but require caution and close monitoring due to an increased risk of serious gastrointestinal events and age-related renal impairment.
  • Use during lactation/breastfeeding is generally not recommended due to a lack of adequate data assessing infant risk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section describes officially documented interaction patterns for Ketolgin (Ketoprofen) as noted in regulatory sources.

Official Restrictions and Contraindicated Combinations

Co-administration of Ketolgin with other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), including COX-2 selective inhibitors, is a contraindicated combination due to the potential for synergistic increases in serious gastrointestinal adverse events. Furthermore, the use of Ketolgin is strictly contraindicated for the management of peri-operative pain following Coronary Artery Bypass Graft (CABG) surgery.

Documented Pharmacokinetic and Pharmacodynamic Interactions

Interacting Substance/Class Official Interaction Description
Lithium or Methotrexate Ketolgin can increase plasma concentrations of these substances, which is officially documented as resulting from a reduction in renal clearance.
Anticoagulants or SSRIs Co-administration results in a synergistic increase in the risk of serious GI bleeding and hemorrhage.
Diuretics or ACE Inhibitors/ARBs NSAIDs may diminish the antihypertensive effects of these agents and increase the risk of renal function impairment.

Ketoprofen has been officially documented as not inducing drug-metabolizing enzymes. The administration of the extended-release formulation with a high-fat meal causes a delay of approximately two hours in reaching maximum plasma concentration (Cmax). In regard to substance interaction, alcohol intake is noted as increasing the existing risk of stomach bleeding.

Mechanism of Action

Modulation of Prostaglandin Synthesis

The core of Ketolgin's action involves the reversible, non-selective inhibition of the Cyclooxygenase ( COX) enzymes, specifically COX-1 and COX-2. By blocking these targets, the drug restricts the conversion of Arachidonic Acid into prostaglandins, which are key lipid mediators that modulate nociceptor sensitivity and regulate the thermal set-point within the hypothalamus.

Multimodal Modulation of Inflammatory Mediators and Cellular Integrity

Ketolgin's mechanism extends beyond COX inhibition by targeting other components of the inflammatory cascade. It possesses ancillary anti-bradykinin activity, which results in the modulation of peripheral nociceptive signal transmission at the receptor level, and contributes to maintaining cellular integrity by stabilizing lysosomal membranes within immune cells. This multimodal action operates concurrently to modulate the chemical signaling cascades and reduce enzyme release associated with cellular events.

Mechanism Constraints

This dual-action mechanism is constrained by its non-selective nature, which includes the necessary inhibition of the constitutive COX-1 enzyme, a target responsible for synthesizing prostaglandins involved in homeostatic physiological functions. Furthermore, the drug's primary influence is confined to the COX pathway; the alternative 5-Lipoxygenase ( 5-LOX) pathway, which generates leukotrienes, is generally not subject to this inhibitory action.

Dosage and Administration Information

How to Use Ketolgin: Administration Guidelines

Ketolgin (Ketoprofen) is typically used at the lowest effective dose for the shortest duration necessary. Its administration is structured by the form used and is subject to specific adjustments for certain patient populations.


Administration Routes and Standard Dosing

Ketolgin is used through several routes, with dosage varying by formulation:

Route / Form Standard Adult Dosing (Typical Range) Frequency / Maximum Dose
Oral (Immediate-Release) 25 mg to 75 mg per single dose. Every 6 to 8 hours as needed. Max 300 mg/day.
Oral (Extended-Release) 200 mg once daily. Once daily. Max 200 mg/day. Not recommended for acute use.
Topical (Gel) Approximately 2 g to 4 g per application. Two to four daily applications. Max 15 g/day.

Contextual Use and Adjustments

Oral Administration: Immediate-release forms may be taken with food, milk, or antacids to minimize gastrointestinal discomfort, though total drug absorption remains unchanged. It is standard for the dose to be taken with a full glass of water. In the event of a missed dose, the common practice is to skip the dose if it is almost time for the next scheduled application, rather than doubling the dose.

Dose Adjustments: A lower initial dose is utilized for elderly individuals or those with a smaller body mass. Furthermore, dose reductions are applied for patients with renal or hepatic impairment, often not exceeding 100 mg/day in cases of severe impairment.

Recent Clinical Evidence

Evidence for Short-Term Pain and Symptom Relief

Research has explored the use of Ketolgin (Ketoprofen) in Randomized Controlled Trials (RCTs) for episodic symptoms like headaches, muscle aches, and menstrual cramps. These studies focused on adults, measuring changes in pain intensity and the use of additional, or rescue, pain medication. The evidence base is primarily focused on short-term measures; for instance, trials did not support the systematic use for the primary endpoint in highly complex pain states like Vaso-Occlusive Crisis.

Evidence for Managing Chronic Inflammatory Symptoms

Ketolgin was evaluated in medium-to-long-term RCTs for conditions marked by functional limitations, such as Osteoarthritis (OA) and Rheumatoid Arthritis (RA). Studies tracked patient-reported outcomes describing perceived discomfort and functional status over extended periods in adult and older adult populations.

Studies on Localized Use (Topical Gels and Creams)

Regulatory authorities reviewed the evidence to characterize the authorized uses of topical forms for localized pain in minor trauma and tendonitis. Research highlights measured changes in pain and inflammation scores in the area of application.

Long-Term Evidence and Durability of Effect

For acute conditions, follow-up durations were limited. For chronic conditions, studies observed responses over intervals spanning several weeks or months. Across all uses, there is limited information for long-term outcomes that address the durability of symptom control after treatment discontinuation.

Evidence in Special Populations

Ketolgin was observed in studies that included older adults. However, comparative evidence is lacking for safety and effectiveness in younger pediatric patients. Results apply only to the populations studied, and data remain insufficient to generalize findings to populations with complex systemic imbalance.

Key Limitations and Areas for Future Research

Identified limitations include modest sample sizes in some meta-analyses, findings did not support the systematic use for the primary endpoint in specific severe pain states, and insufficient data for certain subgroups. Research is ongoing to further characterize long-term outcomes.

Key Studies & References

  1. Label: KETOPROFEN capsule - DailyMed (NIH/FDA)

Frequently Asked Questions (FAQ)

Common questions about Ketolgin (FAQ)

Q: How long does it take for Ketolgin to start working for pain?

According to official product information, the immediate-release form of the active ingredient (ketoprofen) is rapidly absorbed by the body. Maximum plasma concentrations of the active ingredient are typically observed within 30 minutes to 2 hours after the dose is taken. This indicates when the drug concentration in the bloodstream is at its highest point.

Q: Can Ketolgin be used to reduce a fever?

The active ingredient in Ketolgin, Ketoprofen, is classified as a Non-Steroidal Anti-Inflammatory Drug (NSAID). Official sources confirm that medicines in this class generally possess analgesic (pain-relieving), anti-inflammatory, and antipyretic (fever-reducing) properties.

Q: What is the difference between the immediate-release and the extended-release forms?

Regulatory documents describe different intended uses for these two forms. The immediate-release form is typically approved for the management of acute, short-term pain, such as menstrual cramps. In contrast, the extended-release form is designed to be taken once daily and is generally approved for managing chronic conditions like arthritis over a longer period.

Q: What should I do if I experience sun sensitivity (photosensitisation) while taking Ketolgin?

Official safety documents, especially for the topical gel form, indicate that treated areas should be protected from direct sunlight, sunlamps, or tanning beds during use and for two weeks after stopping the medication. If a skin reaction does occur, regulatory guidance suggests discontinuing the product and consulting with a healthcare professional.

Q: How long can I safely take Ketolgin for chronic pain management?

Official prescribing information advises using the lowest effective dose for the shortest duration necessary for all uses. Regulatory labeling states that the serious risks associated with this class of medicine, specifically cardiovascular and gastrointestinal events, are documented to potentially increase with both the dose and the duration of use.

How should Ketolgin be stored and disposed of?

How to Store and Dispose of Ketolgin?

The storage of Ketolgin (ketoprofen) must align with regulatory standards to ensure stability. The medicine must be stored at Controlled Room Temperature (CRT), specifically between 20°C and 25°C (68°F and 77°F). It must be kept in a tightly closed, light-resistant container and protected from both freezing and excessive moisture. All medicine must be kept out of the reach of children, requiring a child-resistant closure on the dispensed container.

Disposal Instructions

Unused or expired Ketolgin should not be flushed down drains. Disposal must follow official methods, such as utilizing a drug take-back program. If a program is unavailable, the product must be mixed with an undesirable substance (e.g., used coffee grounds), sealed in a container, and placed in the household trash. Identifying personal information must be scratched off the prescription label before discarding the container.

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

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