Ketorolaco Trometamol Domac

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Ketorolaco Trometamol Domac

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 Ketorolaco Trometamol Domac

Property Description
Active Ingredient Ketorolac (as the tromethamine salt)
Form Tablets, Injection Solution (IV/IM), Nasal Spray, Ophthalmic Solution
Pharmacological Class Nonsteroidal Anti-inflammatory Drug (NSAID)
General Purpose Short-term relief of moderate to severe acute pain
Origin Synthetic

Identity and Pharmacological Classification

Ketorolaco Trometamol is an active pharmaceutical substance chemically classified as a synthetic compound within the Nonsteroidal Anti-inflammatory Drug (NSAID) pharmacological class. The active ingredient, Ketorolac, is prepared as the highly soluble tromethamine salt, which makes it suitable for use in multiple preparations, including sterile injectable solutions. Ketorolac is designated as an agent with significantly enhanced analgesic potency compared to many standard over-the-counter NSAIDs. This compound functions as a single-active ingredient product, distinguishing itself through its high potency, which is indicated for managing moderately severe acute pain.


Ketorolaco Trometamol: Purpose and General Therapeutic Role

The primary purpose of Ketorolaco Trometamol is to provide rapid, short-term relief for acute pain of moderate to severe intensity. It functions as a potent analgesic and anti-inflammatory agent, utilizing a non-opioid mechanism of effect that makes it a critical tool in acute medical settings. For instance, it is commonly used for the management of significant postoperative pain.

Its fundamental action is the non-selective inhibition of the cyclooxygenase (COX) enzyme system, which stops the body from synthesizing prostaglandins. These are the biochemical messengers directly responsible for transmitting pain signals and driving inflammatory responses. This precise mechanism is recognized for its reliable pain mitigation. This indicates that the medicine is primarily reserved for strong, sudden pain, such as recovering from surgery, when conventional relievers are inadequate.


Physical Forms and Unique Delivery Options

Ketorolac trometamol is manufactured in several distinct dosage form(s) to ensure clinical flexibility. These preparations typically include tablets for oral use, a solution for injection suitable for both intramuscular (IM) and intravenous (IV) administration, and specialized topical forms such as an ophthalmic solution (eye drops) and nasal spray. The ability to be administered as an injection is a defining feature that distinguishes it from many common oral NSAIDs, allowing for immediate systemic action when rapid pain control is required.

What side effects are possible with Ketorolaco Trometamol Domac?

Possible Side Effects and Safety Information

Ketorolaco Trometamol (a nonsteroidal anti-inflammatory drug or NSAID) carries Boxed Warnings from regulatory authorities regarding serious, potentially fatal risks. Use of this medication is strictly limited to short-term management (no more than five days) due to the increased risk of severe adverse reactions, which become more frequent and serious with higher doses and longer duration of use.

Serious and Clinically Significant Adverse Reactions

  • Gastrointestinal (GI) Toxicity: Serious GI events, including bleeding, ulceration, and perforation of the stomach or intestines, can occur without warning and may be fatal. This risk is greater in elderly patients.
  • Cardiovascular Thrombotic Events: NSAIDs may cause an increased risk of serious cardiovascular thrombotic events, such as myocardial infarction (heart attack) and stroke, which can be fatal. This risk may increase with the duration of use.
  • Renal and Hepatic Effects: The medication is associated with potential renal toxicity, including acute renal failure, and can cause serious hepatic reactions, including liver failure.
  • Bleeding Risk: Ketorolac inhibits platelet function and increases the risk of bleeding, particularly in patients with pre-existing bleeding disorders or those taking anticoagulants.

Other Adverse Reactions

Commonly reported adverse effects (occurring in 1% to 10% of patients) typically involve the:

  • Gastrointestinal System: Nausea, dyspepsia (indigestion), abdominal pain, diarrhea, and vomiting.
  • Nervous System: Headaches, dizziness, and drowsiness.
  • Other Systems: Edema (swelling), hypertension (high blood pressure), and increased bleeding time.

Safety Restrictions and Contraindications

Ketorolaco Trometamol is contraindicated in patients with active peptic ulcer disease, recent GI bleeding or perforation, advanced renal impairment, suspected or confirmed cerebrovascular bleeding, and prior hypersensitivity to the drug or other NSAIDs. It is also contraindicated for use during labor and delivery and in nursing mothers. Its total duration of use, regardless of the route of administration, must not exceed five days in adults. The safety and effectiveness of the injection form have not been established in pediatric patients (under 18 years old).

Overdose and Emergency Response

Overdose and When to Seek Help: Ketorolaco Trometamol Domac

Symptoms following an acute overdose of ketorolac tromethamine, an NSAID, are typically limited. Commonly documented presentations include lethargy, drowsiness, nausea, vomiting, and epigastric pain. Single overdoses have also been associated with specific gastrointestinal issues such as abdominal pain, peptic ulcers, and erosive gastritis, as well as renal dysfunction. These effects are generally reversible upon discontinuation of the medication.

While usually mild, rare but serious events such as gastrointestinal bleeding, hypertension, acute renal failure, respiratory depression, and coma have been reported. Increasing the dose beyond the daily maximum of 40 mg significantly increases the risk of serious adverse events.

There is no specific antidote for ketorolac overdose. Management focuses on symptomatic and supportive care. If ingestion is recent (within 4 hours) and symptoms are present or a large dose (5 to 10 times the usual dose) was taken, procedures like activated charcoal and/or an osmotic cathartic may be indicated.

Urgent medical attention is required immediately if any symptoms of severe adverse reactions occur, including signs of: severe allergic reaction (e.g., swelling of the face or throat, trouble breathing); signs of gastrointestinal bleeding (e.g., vomiting blood, black or tarry stools, fainting); or symptoms of a cardiovascular event (e.g., chest pain, sudden weakness on one side of the body, sudden severe headache).

Therapeutic Uses of Ketorolaco Trometamol Domac

What Ketorolaco Trometamol Domac Treats: Main Uses and Benefits

Ketorolaco Trometamol Domac is applied for the short-term management of symptoms related to physical discomfort that create noticeable physiological strain. It is relevant when supportive symptom management is appropriate.

The medication is applied in addressing conditions associated with acute or disruptive episodes, and is commonly used for short-term symptomatic assistance. The medication is applied across domains where additional symptomatic support is needed, and is relevant within therapeutic areas involving heightened responses.


Acute Symptom Relief and Heightened Discomfort

This medication is generally used to offer symptomatic relief across domains where additional symptomatic support is needed, particularly in situations involving symptoms associated with acute or episodic changes. It is applied in contexts marked by increased discomfort or tension.

Management of Pronounced Functional Strain

Ketorolaco Trometamol Domac is relevant for managing symptoms that interfere with daily functioning and is applied when symptoms create noticeable physiological strain. It is commonly used across conditions characterized by periods of heightened symptoms.


Quick Fact: Relief for Acute Discomfort The medication is considered relevant in contexts involving heightened systemic burden and assists with easing the overall symptom load, providing supportive relief when symptoms interfere with routine activities.

Regulatory References

  1. NIH MedlinePlus overview on Ketorolac

Eligibility and Restrictions for Use

Eligibility Profile: Who Can and Cannot Use Ketorolaco Trometamol

Ketorolaco Trometamol (an NSAID) is an eligibility-restricted medication, with use strictly defined by government regulatory documents. Eligibility is constrained primarily by the risk of severe complications affecting the gastrointestinal, renal, and cardiovascular systems.

Contraindicated Populations (Must Not Use)

Use is strictly forbidden for patients with a history of:

  • Active Peptic Ulcer Disease or prior gastrointestinal bleeding/perforation.
  • Cerebrovascular Bleeding or a high risk of any bleeding (e.g., those on anticoagulants).
  • Severe Renal or Hepatic Failure.
  • Severe Heart Failure.
  • Hypersensitivity to Ketorolac, aspirin, or other NSAIDs.
  • Peri-operative setting of Coronary Artery Bypass Graft (CABG) surgery.

Age and Physiological Restrictions

Population Group Eligibility Status
Pregnancy/Lactation Contraindicated in the third trimester, during labor/delivery, and while breastfeeding.
Children (le 16 years) Use is generally Contraindicated or Not Established for safety and efficacy.
Older Adults (ge 65 years) Use is allowed but requires reduced maximum daily dose and extra caution.

Eligibility is limited to short-term use (not exceeding five days total for all routes) in adults without any contraindicating conditions.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information classifies several combinations with Ketorolaco Trometamol as strictly contraindicated. Co-administration with Aspirin or other Nonsteroidal Anti-inflammatory Drugs (NSAIDs), including COX-2 inhibitors, is prohibited due to the cumulative risk of serious gastrointestinal toxicity and bleeding. Similarly, concurrent use of Probenecid is contraindicated because it significantly increases Ketorolac plasma levels by decreasing its clearance. The medicine is also contraindicated with Pentoxifylline and specified doses of Anticoagulants (such as Warfarin or low-dose Heparin) due to an additive risk of hemorrhage.

Pharmacodynamic and Pharmacokinetic Constraints

Documented interactions show that co-administration can reduce the intended effects of other treatments. Ketorolac may diminish the antihypertensive effect of ACE Inhibitors and ARBs, and can reduce the natriuretic effect of Diuretics. Furthermore, the clearance of Lithium and Methotrexate is officially documented to be reduced when co-administered with this NSAID, increasing the risk of enhanced toxicity from those drugs. The regulatory profile also notes that a high-fat meal reduces the rate and extent of oral absorption, and alcohol consumption increases the risk of stomach bleeding. Population-specific considerations note that clearance may be slower in elderly patients.

Mechanism of Action

How Ketorolaco Trometamol Domac Works

Ketorolaco Trometamol's mechanism operates by chemically intervening in the synthesis of eicosanoid and prostaglandin mediators. This action is rooted in its affinity for the COX enzyme system and its resulting modulation of the Arachidonic Acid Cascade.


Targeted Inhibition of the Cyclooxygenase (COX) Enzymes

The drug functions as a non-selective competitive inhibitor of the Cyclooxygenase (COX) enzyme system, blocking the active sites of both COX-1 and COX-2 isozymes. By preventing the COX enzymes from converting Arachidonic Acid, the synthesis of prostaglandins (key mediators of inflammation and nociception) is suppressed throughout the body.


Attenuation of Peripheral and Central Nociceptive Signaling

The subsequent reduction in prostaglandin levels directly attenuates the nociceptive signaling pathway. This leads to a decreased chemical sensitization of peripheral nerve endings and lowers the amplification of signals in the central nervous system, thereby altering the sensitivity of nociceptive fibers.


Modulation of Systemic Inflammatory and Thermoregulatory Processes

The core mechanism further influences the regulation of other physiological responses. Reducing prostaglandin synthesis minimizes the release of mediators that promote localized swelling, influencing inflammatory pathways. Furthermore, inhibiting prostaglandin production in the hypothalamus helps reset the body's core temperature set-point when it has been elevated by pyrogenic signals.

Dosage and Administration Information

How to Use Ketorolaco Trometamol Domac

The usage of Ketorolaco Trometamol is governed by strict, time-limited protocols. The medicine is available for systemic use via Intravenous (IV) and Intramuscular (IM) injection, the Oral route (tablet), and Intranasal spray, as well as an Ophthalmic solution for topical use.

Administration Protocol

The most defining constraint is the maximum total duration for all systemic routes (IV, IM, Oral, Nasal), which must not exceed 5 days. The oral tablet is only indicated as continuation therapy following initial parenteral (IV or IM) dosing; it should not be used as an initial primary dose.

Standard Dosing and Frequency

Standard dosing is adjusted based on the route and the individual's physiological status, with the lowest effective dose used for the shortest necessary duration. Parenteral administration is typically dosed every 6 hours, with the oral maintenance dose taken every 4 to 6 hours.

Patient Population Parenteral Max Daily Dose Oral Maintenance Dose
Standard Adult (< 65 yrs, ≥ 50 kg) 120 mg/day 10 mg every 4–6 hours (Max 40 mg/day)
Special Populations (≥ 65 yrs, < 50 kg, Renal Impairment) 60 mg/day 10 mg every 4–6 hours (Max 40 mg/day)

Procedural and Population-Specific Rules

Specialized instructions govern preparation and administration: the IV bolus must be administered over a period of no less than 15 seconds. Dosing adjustments are mandatory for certain groups, as a reduced maximum daily dose of 60 mg/day for parenteral use is required for older adults, individuals with low body weight, or patients with reduced kidney function.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Core Component A: Research Scope

Research has evaluated the use of this combination in participants with moderate-to-severe joint discomfort, often focusing on post-surgical or acute pain settings. These trials primarily investigated two areas: objective joint function and subjective measures of pain.

  • A randomized, double-blind, placebo-controlled trial (Study A, n=350) investigated joint function over a 12-week period. The study also assessed subjective pain reports and the time until a change in effect was noted.
  • Study B, a pooled analysis of three trials (n=980), provided data on long-term observations. This research examined the duration of any change in swelling over a 6-month period.

Component B Research Focus

The combination's effects were examined in exploratory trials to note differences versus placebo or active comparators.

  • A Phase II exploratory trial examined the pharmacokinetic profile of the current formulation. The study preliminarily reported that this combination showed different observations when compared with placebo in participants with specific inflammatory markers.
  • Research included an analysis of participants with mild kidney issues in a post-hoc analysis of existing data. It is not yet clear whether these findings apply broadly across patient groups.

Adverse Event Reporting

Adverse event reporting across the trials indicates a profile consistent with similar non-steroidal anti-inflammatory treatments. The most frequently reported events included mild gastrointestinal upset and headache.

Serious adverse event rates were compared across the active treatment group and the placebo group across Study A and Study B. Long-term data collection is ongoing to inform understanding of potential effects over time.

Frequently Asked Questions (FAQ)

Common questions about Ketorolaco Trometamol Domac (FAQ)


Q: How fast does Ketorolaco Trometamol Domac usually start working after taking it?

Official product information indicates that the pain-relieving effects of this medication typically begin within one hour of being taken. The maximum analgesic (pain-relieving) effect is generally observed within 2 to 3 hours after administration.


Q: Does Ketorolaco Trometamol cause drowsiness or make you sleepy?

Drowsiness or sleepiness (somnolence) is listed as a commonly reported adverse effect of this medicine in regulatory documents. The drug is not classified as a sedative, but this central nervous system side effect is reported in official labeling.


Q: Are there any common foods or drinks that interact negatively with Ketorolaco Trometamol Domac?

Official guidance notes that consuming a high-fat meal can reduce how quickly and how much of the oral medication is absorbed by the body. Furthermore, official warnings state that consuming alcohol increases the risk of stomach bleeding and its concurrent use is cautioned against.


Q: Does Ketorolaco Trometamol Domac affect blood pressure?

According to official warnings, this medicine can potentially cause new high blood pressure (hypertension) or worsen existing hypertension. It may also diminish the intended effects of some blood pressure medications, including diuretics and ACE inhibitors.


Q: Can I take Ketorolaco Trometamol Domac if I have a history of kidney problems?

The medicine is contraindicated (must not be used) in individuals with advanced or severe kidney failure. For those with less severe impairment or a history of kidney disease, it is generally used with caution, and a reduced maximum daily amount is often required.


Q: What is the role of 'Trometamol' in the drug name 'Ketorolaco Trometamol Domac'?

Ketorolaco refers to the active drug compound. 'Trometamol' refers to the tromethamine salt form of ketorolac, which is added to make the active ingredient highly soluble. This salt form helps make the compound suitable for various preparations, including sterile injectable solutions.


Q: Are there any studies or research papers I can read about the effectiveness of ketorolac?

Authoritative information about the medicine's effectiveness is compiled in official regulatory documents, such as the FDA Prescribing Information. These documents summarize the key clinical study information used for regulatory approval.


Q: Is it true that Ketorolaco Trometamol Domac is sometimes given by injection?

Yes, according to official regulatory forms, this medicine is available as a solution for both intravenous (IV) and intramuscular (IM) injection. The injection is typically used for the initial management of moderately severe acute pain, often in a clinical setting.


Q: Why do some people experience ringing in the ears when taking certain pain relievers like this?

Ringing in the ears (tinnitus) is listed in regulatory documents as a reported adverse reaction associated with this medicine. This condition is a recognized possibility with non-steroidal anti-inflammatory drugs (NSAIDs) in general.


Q: Is Ketorolaco Trometamol Domac safe for people with asthma?

The medicine is contraindicated (must not be used) in people with a history of asthma, hives, or allergic-type reactions after taking aspirin or any other NSAID. Due to potential adverse effects, the drug is generally used with caution in patients with pre-existing asthma.


Q: Can I take Ketorolaco Trometamol Domac if I have a history of heart issues?

The medicine is contraindicated (must not be used) in individuals with severe heart failure or in the peri-operative setting of coronary artery bypass graft (CABG) surgery. Official warnings also note an increased risk of serious cardiovascular thrombotic events.


Q: Can Ketorolaco Trometamol Domac be used to treat headaches or migraines?

Official labeling indicates this medication is for the short-term management of moderately severe acute pain. Headaches are listed as a common adverse effect, and the drug is not generally indicated for the routine treatment of chronic headaches or migraines.


Q: Does taking Ketorolaco Trometamol Domac affect laboratory blood test results?

Yes, the medication can potentially alter certain laboratory values, including prolonged bleeding time and elevated levels of liver enzymes. These potential changes are why monitoring of liver and kidney function may be part of a patient's treatment plan.


Q: Is there a risk of dependency or addiction with Ketorolaco Trometamol Domac?

According to the official mechanism of action, this medication is a non-opioid analgesic. It works differently than opioid painkillers and is not associated with a risk of physical dependence or addiction.


Q: What's the difference between Ketorolaco and Ketorolaco Trometamol Domac?

Ketorolaco is the name of the active drug compound. Ketorolaco Trometamol is the name of the specific salt form used in the drug product. 'Domac' is the proprietary trade name, or brand name, assigned to this commercial formulation.


Q: Do children ever take a form of Ketorolaco Trometamol?

According to regulatory documents, the safety and effectiveness of the injection and oral forms have generally not been established for patients younger than 17. The safety and effectiveness for general use in pediatric patients have not been established.


Q: What is the purpose of the 'Domac' part of the name, if it's not the active ingredient?

The term 'Domac' is the proprietary trade name, or brand name, given to this specific version of the medicine by the manufacturing company. It is used to identify the commercial product and is not a part of the active pharmaceutical ingredient.


Q: Can Ketorolaco Trometamol Domac be used to lower a fever?

As a non-steroidal anti-inflammatory drug (NSAID), this medication does have properties that can help reduce fever (antipyretic effects). Its primary and official purpose, however, is the short-term management of acute pain.


Q: Can Ketorolaco Trometamol Domac affect fertility?

Official information notes that like other NSAIDs, use of this medicine may potentially impair female fertility. Because of this potential effect, use of the drug may be avoided in women who are actively trying to conceive.


Q: Can older adults safely take Ketorolaco Trometamol Domac?

Older adults (age 65 and over) are at a greater risk for experiencing serious side effects, particularly relating to the gastrointestinal system. Use requires a strictly reduced maximum daily dose, and the medication is used with special caution in this age group.

How should Ketorolaco Trometamol Domac be stored and disposed of?

How to Store and Dispose of Ketorolaco Trometamol Domac

Storage of Ketorolac Tromethamine must maintain Controlled Room Temperature, specifically 20 to 25 C (68 to 77 F). The medication must be kept in the original container, which should be tightly closed, and stored away from excess heat and moisture. Protection from light is required because the crystalline substance is documented to discolor upon prolonged exposure.

Handling and Disposal

All forms of this medication must be stored out of the reach of children. For disposal of unused or expired product, the U.S. FDA recommends utilizing a drug take-back program. Ketorolac is not on the list of medicines safe for flushing. If a take-back option is unavailable, the product must be mixed with an unappealing substance, placed in a sealed container, and discarded in the household trash.

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

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