Dexalgin 25

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Dexalgin 25

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Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Dexalgin 25

Quick Facts

Property Description
Active ingredient Dexketoprofen
Form Film-coated tablet
Pharmacological class Non-Steroidal Anti-Inflammatory Drug (NSAID)
Common use Relief of mild to moderate acute pain
Origin Synthetic (Chiral switch product)

1. What Type of Medicine is Dexalgin 25? (Identity and Classification)

Dexalgin 25 is a medicinal product classified fundamentally as a Non-Steroidal Anti-Inflammatory Drug (NSAID). Its active ingredient is Dexketoprofen, a substance belonging to the Propionic acid derivatives within the therapeutic group of anti-inflammatory and anti-rheumatic products. The drug is most commonly available as a film-coated tablet designed for oral administration, although other forms, such as solutions for injection, are utilized in acute settings. This product is defined as a single active ingredient product, deriving its therapeutic effect solely from the properties of Dexketoprofen.

2. Dexketoprofen: Composition and Pharmaceutical Origin

The formulation utilizes the highly soluble salt, Dexketoprofen trometamol, which is designed to ensure efficient absorption and rapid action following administration. Dexketoprofen is a synthetic compound representing a pharmaceutical innovation: it is the purified, active S-(+)-enantiomer of its older predecessor, Ketoprofen. This targeted origin, known as a chiral switch, isolates the molecule responsible for the therapeutic effect. This specialized approach results in a focused pharmacological action, enhancing its suitability for acute pain relief.

3. What is the General Purpose of Dexalgin 25? (Core Benefit)

The general purpose of this medicine is to act as an analgesic for the relief of discomfort, primarily used for the short-term symptomatic treatment of mild to moderate acute pain. Consequently, Dexalgin 25 not only provides pain relief but also possesses anti-inflammatory and antipyretic properties, aiding in the reduction of swelling and fever alongside the primary relief of discomfort.

What side effects are possible with Dexalgin 25?

Possible side effects and safety information

The official safety profile for Dexalgin 25 (dexketoprofen) is defined by its classification as a Non-Steroidal Anti-Inflammatory Drug (NSAID). Regulatory documents organize known risks by frequency and the body system affected, providing a structured view of the medicine’s safety characteristics.

Adverse Reactions by Frequency

The most frequently reported adverse effects in regulatory documents are primarily related to the gastrointestinal system.

Frequency Category Examples of Officially Documented Effects
Common (1 to 10 in 100) Nausea, vomiting, abdominal pain, diarrhoea, dyspepsia.
Uncommon (1 to 10 in 1,000) Headache, dizziness, somnolence, insomnia, gastritis, rash, fatigue.
Rare (1 to 10 in 10,000) Gastrointestinal haemorrhage, peptic ulceration, hepatic injury, acute renal failure, hypersensitivity reactions.

Serious Adverse Reactions and Safety Constraints

As with all NSAIDs, the medicine carries documented risks for serious adverse reactions. The label includes information regarding the potential for serious gastrointestinal events, such as bleeding, ulceration, or perforation. There is also a documented risk of serious cardiovascular thrombotic events, including myocardial infarction and stroke, which may increase with the duration of use.

Regulatory texts specify safety considerations for certain groups: Older adults are noted to have an increased frequency of adverse reactions, particularly serious gastrointestinal bleeding. Use is officially constrained and contraindicated in individuals with pre-existing severe conditions, such as severe heart failure, active peptic ulceration, or severe renal or hepatic impairment.

This structure ensures all patients and healthcare providers are informed of the full spectrum of officially classified risks associated with this treatment.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documents on Dexalgin 25 (Dexketoprofen) define the expected clinical presentation of an overdose. Documented manifestations commonly include gastrointestinal disturbances such as nausea, vomiting, stomach pain, and diarrhea. Central nervous system effects, including dizziness, drowsiness, confusion, headache, or agitation, are also officially listed as presentations of excessive exposure.

Regulatory statements emphasize the risk of severe outcomes associated with an overdose of this NSAID. These potentially life-threatening complications include acute renal failure and major gastrointestinal events such as bleeding, ulceration, or perforation. In rare, severe cases, central nervous system effects may escalate to seizures or coma. Elderly patients are specifically noted to have an increased frequency and risk of these serious gastrointestinal complications.

The mandated official response is to seek immediate medical attention by contacting a physician or emergency services immediately if an overdose is suspected or confirmed. This urgent action is required for any severe symptoms, particularly signs of internal bleeding or difficulties with breathing. Management is restricted to symptomatic and supportive treatment, as official documents state that no specific antidote is known. Procedures to reduce systemic absorption, such as gastric lavage or administration of activated charcoal, may be required under medical supervision, often necessitating hospitalization for monitoring.

Therapeutic Uses of Dexalgin 25

Quick Facts

  • Targeted Use: Temporary relief of mild to moderate pain.
  • Approved Indications: Managing pain from dental procedures, menstrual discomfort, and musculoskeletal injuries.
  • Primary Benefit: Provides relief from discomfort.

Dexalgin 25 (dexketoprofen) is an established therapeutic agent used to help address symptoms associated with temporary discomfort. This medication is indicated for the symptomatic management of mild to moderate acute pain.

Clinical experience suggests that this treatment option is commonly utilized for pain following surgical or dental procedures, primary dysmenorrhea (menstrual pain), and pain related to the musculoskeletal system, such as sprains or muscle strains. It provides relief to help patients maintain function during recovery.

Eligibility and Restrictions for Use

Who Can and Cannot Use Dexalgin 25?

Dexalgin 25 (dexketoprofen) eligibility is strictly defined by regulatory documents, focusing on patient status and pre-existing health conditions.

Populations for Whom Use is Contraindicated

Use is absolutely prohibited for patients with active peptic ulcer/gastrointestinal bleeding, a history of recurrent GI ulceration, Crohn's disease, or ulcerative colitis. It is also contraindicated in cases of severe heart failure, severe hepatic impairment (Child-Pugh C), and moderate to severe renal dysfunction (creatinine clearance ≤ 59 ml/min). Absolute prohibition also applies to individuals with a known hypersensitivity to dexketoprofen or any other Non-Steroidal Anti-Inflammatory Drug (NSAID).

Age and Special Population Restrictions

The medicine is contraindicated during the third trimester of pregnancy and the lactation period. Safety and efficacy have not been established in children and adolescents (under 18 years), and use is not recommended for this age group. Older adults may use the medicine but are advised to commence treatment at the lowest available dose. Patients with mild hepatic or mild renal impairment must also use reduced initial doses under close professional monitoring.

What should I know about interactions with other medicines?

The official regulatory documentation for Dexalgin 25 (dexketoprofen) details interaction constraints primarily related to enhanced risk and alterations in drug exposure.

Contraindicated Combinations and Major Restrictions

Co-administration with other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), including cyclooxygenase-2 selective inhibitors, is formally restricted due to the established risk of additive toxicity, particularly serious gastrointestinal effects. The combination with Methotrexate at doses of 15 mg/ week or greater is strictly prohibited, as this significantly increases the risk of systemic toxicity by elevating Methotrexate plasma levels. The co-use of Anticoagulants (such as Warfarin) is officially not recommended due to enhanced bleeding risk.

Pharmacokinetic and Pharmacodynamic Effects

Dexketoprofen may influence the plasma concentrations of certain medicines. Co-administration with Probenecid is documented to increase Dexketoprofen plasma concentrations by reducing its renal clearance. Regulatory data also show that co-use may elevate the serum levels of Lithium and Cardiac Glycosides (like Digoxin).

Pharmacodynamically, the drug may reduce the therapeutic effect of Diuretics, ACE Inhibitors, and ARBs while simultaneously increasing the risk of nephrotoxicity. Combining the medicine with Oral Corticosteroids or SSRIs is associated with an increased risk of gastrointestinal bleeding. Furthermore, the consumption of Alcohol is not recommended due to an officially documented increase in the risk of serious gastrointestinal bleeding.

Mechanism of Action

The mechanism of action for Dexalgin 25 (Dexketoprofen) is rooted in its ability to modulate the eicosanoid synthesis pathway. The drug acts as a non-selective inhibitor of the Cyclooxygenase (COX) enzymes, targeting both COX-1 and COX-2 isoforms. This inhibition is the initial molecular step that leads to the subsequent physiological effects.

Modulation of Eicosanoid Signaling

By inhibiting the COX enzymes, the drug prevents the conversion of arachidonic acid into prostaglandins and other lipid mediators. These prostaglandins function as key sensitizers of peripheral nociceptors (pain-sensing nerve endings) and enhance local vasodilation and vascular permeability. The reduction in prostaglandin levels therefore directly decreases the sensitization threshold of peripheral nociceptors and limits the degree of local vascular permeability.

Influence on Hypothalamic Thermoregulatory Signals

Dexketoprofen's mechanism also extends to the central regulation of body temperature. The drug prevents the synthesis of Prostaglandin E2 ( PGE2) within the hypothalamus. This action prevents the synthesis of the PGE2 signal in the hypothalamus, which is responsible for elevating the body's thermoregulatory set point.

Dosage and Administration Information

Administration Guidelines

Dexalgin 25 (dexketoprofen 25 mg film-coated tablets) is administered via the oral route for short-term symptomatic use. The administration protocol defines the specific dosing frequency, dose limits, and timing relative to food intake.


Instruction Guideline
Standard Dosing The recommended dose is generally 12.5 mg (half a tablet) every 4-6 hours, or 25 mg every 8 hours.
Maximum Daily Limit The total daily dose must not exceed 75 mg.
Timing for Acute Pain For faster absorption, administration is recommended at least 30 minutes before meals.
Duration Constraint Treatment is intended for short-term use only and must be limited strictly to the symptomatic period.

Population-Specific Adjustments

Dosage modifications are utilized for certain patient groups to align with physiological processing constraints:

  • Older Adults: Therapy should begin at the lower end of the dosage range, with a total daily dose of 50 mg. This amount may be increased only if good general tolerance has been established.
  • Hepatic/Renal Impairment: Patients with mild hepatic impairment or mildly impaired renal function (creatinine clearance 60-89 mL/min) should also initiate therapy at a reduced total daily dose of 50 mg.
  • Pediatric Use: The product is not recommended for use in children and adolescents, as safety and efficacy have not been established in this population.

These instructions define a structured, time-limited oral protocol with adherence to maximum dose boundaries and required adjustments for specific patient groups.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Dexalgin 25

Research has examined Dexalgin 25 (Dexketoprofen) in contexts involving short-term acute discomfort. The research has explored how symptoms change over time in specific populations, and the findings describe group patterns, not personal outcomes. Studies help show what has been observed so far in formal clinical settings.


Evidence for Use in Short-Term Postoperative Pain

Research for this indication was evaluated in adult patients experiencing acute physical discomfort, such as following dental procedures like third molar extractions, or minor orthopedic operations. The primary way this was studied was through short-term Randomized Controlled Trials (RCTs) and subsequent systematic reviews. These studies were applied in research contexts involving acute pain following dental or non-dental surgical procedures in adult populations.

Researchers monitored outcomes related to physical discomfort by using standardized pain scales to measure the measured change in symptom intensity. They also monitored the time required for initial symptomatic change and whether patients required a dose of additional pain medication during the study period. Findings describe patterns observed in these studies, sometimes including comparisons to a placebo or other active pain relievers. Studies report how symptoms evolved in the observed populations during the short time frame.


Limitations of Long-Term Evidence and Follow-up

Most of the available evidence is relevant in trials assessing short-term or episodic symptom patterns. The initial development studies for Dexalgin 25 were generally designed to examine rapid symptom change rather than sustained use.

Consequently, research is ongoing, and long-term effects are not fully established. There is limited information for long-term outcomes, meaning the research does not provide context for using the medicine over several weeks, months, or years. The available findings describe patterns observed during acute phases and reflect the specific, short-term conditions under which they were conducted, not continuous or chronic use. Certainty remains low regarding the effects of using the medicine beyond the brief duration of the initial trials.

Frequently Asked Questions (FAQ)

Common questions about Dexalgin 25 (FAQ)

Q: How long does it usually take to feel the effect of Dexalgin 25?

According to official product information, the onset of the medicine’s pain-relieving effect is generally described as occurring within 30 minutes following oral administration. This characteristic is related to the specific salt formulation of the active ingredient, which is designed for rapid absorption.

Q: What is the typical duration of pain relief from one dose of Dexalgin 25?

The duration of the pain-relieving effect can vary among individuals. However, official pharmacokinetic data indicates that the half-life of the active ingredient in the bloodstream is typically around 4 to 6 hours. This value provides context for the recommended time interval between doses.

Q: Why do official materials sometimes mention heart concerns with Dexalgin 25?

Like other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), official warnings include information on the potential for a small increased risk of serious cardiovascular events, such as heart attack or stroke. Regulatory documents advise that this potential risk may be associated with using the medicine at higher doses or for prolonged periods.

Q: Does taking Dexalgin 25 long-term carry more risks than short-term use?

Yes. Regulatory documents clearly state that this medicine is intended for short-term use only for acute pain. Prolonged use may be associated with an increased likelihood of certain serious side effects, particularly those affecting the gastrointestinal system, such as bleeding, and the kidneys.

Q: Does Dexalgin 25 affect liver enzyme levels?

Official information indicates that the medicine can cause transient, small increases in certain liver parameters, often measured as liver enzyme levels. If a significant increase in these parameters occurs, regulatory guidelines mandate that treatment must be discontinued.

Q: Can Dexalgin 25 interfere with blood clotting tests?

The medicine works by inhibiting the cyclooxygenase (COX) enzyme, which results in an anti-aggregatory effect on platelets. Because platelets are crucial for blood clotting, this anti-aggregatory effect may influence the results of certain blood clotting tests or increase the risk of bleeding when combined with other agents.

Q: What is the difference between Dexalgin and Dexalgin 25?

Dexalgin is a brand name for the active ingredient, dexketoprofen. The specific product ‘Dexalgin 25’ most commonly refers to the 25 mg strength of the film-coated tablets. The brand name Dexalgin may also be used for other formulations, such as the solution for injection, which may also contain 25 mg of the active ingredient per milliliter.

Q: Does Dexalgin 25 cause drowsiness or make you sleepy?

Official adverse reaction data includes somnolence (drowsiness) and dizziness among the less common side effects reported by patients. If these effects occur, official information notes they are usually mild, but they are symptoms to be aware of.

Q: Why is there sometimes a warning about Dexalgin 25 and driving?

The official patient information includes a warning that the medicine may slightly impair the ability to drive or operate heavy machinery. This caution is in place because of the possibility of experiencing certain side effects, such as dizziness or drowsiness, which could affect concentration and coordination.

Q: Does Dexalgin 25 have a risk of being addictive?

No. The active ingredient in this product is classified as a non-opioid analgesic within the Non-Steroidal Anti-Inflammatory Drug (NSAID) class. Official regulatory documents do not list this type of medication as having a risk of dependency or addiction.

Q: Is Dexalgin 25 effective for chronic joint pain or only acute pain?

The official therapeutic indication, as stated in regulatory documents, is strictly for the short-term symptomatic treatment of mild to moderate acute pain. It is not indicated for the management of chronic or long-lasting conditions, such as long-term joint pain.

Q: Can people with a history of asthma use Dexalgin 25?

No. The medicine is formally contraindicated (use is prohibited) in individuals who have a history of asthma. This applies specifically to patients who have suffered asthma attacks, rhinitis, or hives after previously taking aspirin or other non-steroidal anti-inflammatory drugs (NSAIDs).

Q: How does the medicine know where the pain is located?

The medicine does not act on a specific location; rather, its action is systemic, meaning it works throughout the body. The active ingredient blocks the production of certain chemical messengers, called prostaglandins, which are responsible for sensitizing nerve endings and signaling pain. By reducing these messengers, it helps to relieve discomfort generally.

Q: What is the shelf life of Dexalgin 25 tablets?

The labeled shelf life depends on the specific packaging material. It is typically 2 years for PVC-aluminium blisters and 3 years for Aclar-aluminium or aluminium-aluminium blisters. Regardless of the material, the tablets must always be kept in the original outer carton to protect them from light.

Q: Are there different brand names for the same Dexalgin 25 ingredient?

Yes. The active pharmaceutical ingredient in Dexalgin 25, which is dexketoprofen, is licensed and marketed under various brand names in different global regions.

Q: Is Dexalgin 25 indicated for managing fever?

The medicine possesses antipyretic (fever-reducing) properties, which means it can help reduce fever. However, its stated therapeutic indication in official documents is for the symptomatic relief of mild to moderate acute pain.

Q: Are there specific symptoms that require immediate medical attention after taking Dexalgin 25?

Yes. Official patient information advises seeking immediate medical attention if you experience certain serious symptoms. These include signs of a severe allergic reaction (such as sudden swelling of the face, throat, or difficulty breathing) or signs of gastrointestinal bleeding (such as vomiting blood or passing black, tarry stools).

How should Dexalgin 25 be stored and disposed of?

Official Storage and Disposal Instructions

The required storage conditions for Dexalgin 25 mg film-coated tablets depend on the specific packaging material:

  • PVC-aluminium blisters: Do not store above 30 C. The labeled shelf life is 2 years.
  • Aclar-aluminium / aluminium-aluminium blisters: No special temperature conditions are required. The labeled shelf life is 3 years.

All tablets must be protected from light by keeping them in the outer carton or original package. A critical safety instruction is that the medicine must always be stored out of the sight and reach of children.

Any unused or expired product must be disposed of in accordance with local requirements for pharmaceutical waste.

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

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