What Is Dexketoprofen Trometamol?
Dexketoprofen trometamol is a water-soluble salt form of dexketoprofen (the active enantiomer of ketoprofen), a nonsteroidal anti-inflammatory drug (NSAID). Its solubility and fast absorption make it useful in clinical settings where rapid onset of effect is needed, e.g., after surgery or during dental pain. It is also an analgesic, antipyretic and anti-inflammatory agent that works by non-selective inhibition of cyclooxygenase (COX) isoenzymes, i.e., COX-1 and COX-2. COX inhibition causes a reduction in prostaglandin production, which are mediators of pain, inflammation and fever. This mechanism is responsible for its analgesic effect, but also for its gastrointestinal and renal side effect profile.
Figure 1. Structure of dexketoprofen trometamol[1].
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What Are the Molecular Features That Support Its Pharmacological Profile?
Dexketoprofen trometamol has the empirical formula C16H14O3·C4H11NO3 and a molecular weight of 375.42 g/mol. The dexketoprofen component, 2-(3-benzoylphenyl)propionic acid, is responsible for the NSAID activity, while trometamol (tris(hydroxymethyl)aminomethane) enhances solubility and absorption. The molecule includes key functional groups such as carboxylic acid and hydroxyl moieties that contribute to both its bioactivity and hydrophilicity.
How Is Dexketoprofen Trometamol Used in Pain Management?
Dexketoprofen trometamol is used for the treatment of mild to severe pain in a number of settings, including acute pain, such as in musculoskeletal disorders, primary dysmenorrhea, dental pain, and after surgery. It is frequently compared with other selective COX-2 inhibitors like celecoxib and etoricoxib and was shown to have equivalent efficacy. In addition, dexketoprofen trometamol acts more quickly (within 30 minutes) than these medications.

Multimodal analgesia is an integral part of the era of enhanced recovery after surgery (ERAS) protocols, and dexketoprofen trometamol plays a significant role in it. According to clinical data, dexketoprofen trometamol in combination with paracetamol or weak opioids (tramadol) has synergistic effects that are beneficial for pain relief without increasing the number of adverse events. Dexketoprofen trometamol has also been shown to reduce opioid requirements in a surgical setting, a desirable effect given the issue of opioid dependence. Its use decreases the need for rescue analgesics and improves patient comfort without any safety concerns.
How Is Dexketoprofen Trometamol Formulated and Administered?
Dexketoprofen trometamol comes in different formulations, including oral tablets (usually 25 mg), granules for oral solution, and parenteral injectable solutions. Oral administration is typically once every 4 to 6 hours with a maximum daily dose of 75 mg. To speed up the onset of pain relief, it is recommended to take it on an empty stomach. Because of its fast absorption and onset, it is well-suited for on-demand pain management in ambulatory patients.
What Are the Contraindications and Safety Considerations?
While dexketoprofen trometamol is well tolerated for short-term use, its non-selective COX inhibition predisposes patients to certain risks. It is contraindicated in individuals with:
- Hypersensitivity to NSAIDs
- Active or recurrent peptic ulcers
- Severe cardiac, hepatic, or renal dysfunction
- History of NSAID-exacerbated asthma or urticaria
- Pregnancy (especially in the third trimester) and lactation
Special care must be taken when co-administered with anticoagulants (e.g., warfarin), antiplatelet agents (e.g., clopidogrel), corticosteroids, lithium, or methotrexate due to potential drug–drug interactions.

What Are the Documented Side Effects?
The most commonly reported adverse effects are gastrointestinal, including:
- Nausea
- Dyspepsia
- Abdominal pain
- Diarrhea
Other mild effects include dizziness, headache, and somnolence. Rare but severe events include:
- GI bleeding or perforation
- Cardiovascular complications (e.g., myocardial infarction)
- Renal toxicity
- Hypersensitivity or anaphylactic reactions
Regular monitoring is advised for high-risk patients, particularly those with pre-existing GI or cardiovascular conditions.
Comparative Table: Dexketoprofen Trometamol vs. Other NSAIDs
Feature | Dexketoprofen Trometamol | Ibuprofen | Celecoxib | Ketorolac |
---|
COX Selectivity | Non-selective | Non-selective | COX-2 selective | Non-selective |
Onset of Action | ~30 minutes | 1 hour | 1–2 hours | ~30 minutes |
Gastrointestinal Risk | Moderate | Moderate | Low | High |
Opioid-Sparing Effect | Yes | Weak | Moderate | Strong |
Available Forms | Oral, Injectable | Oral, Topical | Oral | Injectable |
FAQs About Dexketoprofen Trometamol
1. Can Dexketoprofen Trometamol be used for chronic pain?
It is primarily indicated for acute pain. Long-term use is not recommended due to increased risks of gastrointestinal and cardiovascular side effects.
2. How does Dexketoprofen Trometamol compare to ketorolac?
Both are potent NSAIDs, but dexketoprofen has a slightly more favorable GI safety profile and faster oral absorption.
3. Is Dexketoprofen Trometamol safe for elderly patients?
Dose adjustment is often required due to potential renal impairment. Monitoring for adverse effects is essential.
4. Can this drug be taken with food?
Yes, though food may delay absorption slightly. Taking it on an empty stomach provides faster relief.
5. Is there a risk of addiction?
No, as it is a non-opioid analgesic, it does not carry the risk of dependency.
6. What precautions should be taken in patients with cardiovascular disease?
Use with caution. NSAIDs can increase the risk of thrombotic events, especially with prolonged use.
7. Are there any special considerations for renal function?
Yes. NSAIDs may reduce renal blood flow and should be used cautiously in patients with renal insufficiency.
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Reference
- El-Malla S., et al. Spectroscopic Methods for Determination of Dexketoprofen Trometamol and Tramadol HCl. Pharm Analysis & Quality Assurance. 2014, 4, P-ISSN 2229-4198.
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