Ketofreel

Quick links to important sections

Ketofreel

Selected form

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 Ketofreel

Ketofreel is a trade name for a medication whose active component is Ketorolac tromethamine, a potent compound developed for effective pain management. This substance belongs to the highly effective class of medicines known as Nonsteroidal Anti-inflammatory Drugs (NSAIDs).

Property Description
Active ingredient Ketorolac tromethamine
Form Tablets, injection solution, ophthalmic solution
Pharmacological class Nonsteroidal Anti-inflammatory Drug (NSAID)
General purpose Relief of moderate to severe acute pain
Origin Synthetic (chemically manufactured)

What Type of Medicine is Ketofreel (Ketorolac)?

Ketofreel is fundamentally classified as an NSAID, distinguishing itself through its particularly strong analgesic capabilities. The core compound, Ketorolac, is a synthetic pyrrolizine carboxylic acid derivative. Its potency is clinically recognized, and it is considered comparable in efficacy to standard doses of some opioid analgesics for acute pain relief. This means the medicine offers a powerful option for relieving significant pain without being a narcotic. Unlike many milder NSAIDs, the pharmacological profile of Ketorolac is typically reserved for short-term, acute pain management following surgical procedures or severe injury.

Composition, Forms, and General Therapeutic Purpose

The medicine is a single-active-ingredient product where the therapeutic action is entirely attributed to the Ketorolac tromethamine compound. The entity is designed for therapeutic versatility, evidenced by its multiple dosage forms, notably oral tablets, solution for injection (parenteral use), and specialized ophthalmic solutions. The general therapeutic purpose of this substance is the robust, short-term management of moderate to severe acute pain that arises from inflammatory processes.

Mechanism: How Ketofreel Provides Analgesic Relief

Ketofreel provides relief by acting as a powerful cyclooxygenase (COX) inhibitor. This core mechanism is responsible for preventing the synthesis of prostaglandins, which are key chemical mediators that initiate and signal both pain and inflammation throughout the body. The effective interruption of this biochemical pathway by Ketorolac delivers a focused and significant analgesic effect and simultaneous reduction of associated inflammatory symptoms.

Regulatory References

  1. Nonsteroidal Anti-inflammatory Drugs (NSAIDs)
  2. Ketorolac
  3. tablets
  4. solution for injection
  5. ophthalmic solutions
  6. cyclooxygenase (COX) inhibitor

What side effects are possible with Ketofreel?

Possible Side Effects and Safety Information

The safety profile for Ketofreel is officially categorized based on frequency and severity as documented by government regulatory agencies.

Serious Safety Warnings

Official labeling includes serious warnings regarding the potential for major adverse events, which can be fatal. These include:

  • Serious Cardiovascular Thrombotic Events: An increased risk of serious cardiovascular events such as myocardial infarction (heart attack) and stroke.
  • Serious Gastrointestinal Adverse Events: Risk of severe gastrointestinal events including bleeding, ulceration, and perforation of the stomach or intestines.

Adverse Reaction Frequency

Adverse reactions are classified by how often they occur:

Classification Examples of Reactions
Common (1% to 10%) Headache, somnolence, dizziness, dyspepsia, nausea, abdominal pain, diarrhea.
Uncommon (0.1% to 1%) Fatigue, local skin reactions (topical formulations).

Organ System Risks and Limitations

The medicine carries specific regulatory warnings concerning organ system toxicity, including potential for serious kidney problems (nephrotoxicity) and liver problems (hepatotoxicity).

Risk of serious cardiovascular and gastrointestinal events is formally stated to increase with higher doses and longer duration of use.

Safety-related restrictions include a contraindication for use in the setting of coronary artery bypass graft (CABG) surgery. Additionally, the medicine is contraindicated in the third trimester of pregnancy due to risk of harm to the fetus. Elderly patients are documented as being at greater risk for serious gastrointestinal adverse events.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Ketofreel (Ketorolac tromethamine) overdose describes both common and severe clinical manifestations. Documented overdose presentations may include non-specific symptoms such as epigastric pain, nausea, vomiting, lethargy, and drowsiness. The physiological systems affected include the central nervous system, renal, and gastrointestinal systems, where more serious, potentially fatal outcomes have been reported.

Overdose may lead to severe complications such as acute renal failure, respiratory depression, coma, and perforation of the stomach or intestines. These severe events underscore the critical need for immediate medical response.

Emergency Actions and Management

Regulators mandate that immediate medical attention must be sought for any suspected overdose or upon the appearance of symptoms indicative of a serious event, such as a cardiovascular reaction (e.g., chest pain, weakness) or anaphylaxis. It is officially stated that no specific antidote is known for Ketorolac tromethamine. Management is limited to symptomatic and supportive care.

Procedures described in regulatory documentation for managing recent large oral ingestions (5 to 10 times the usual dose) include the administration of activated charcoal and an osmotic cathartic. Elderly patients are noted to be at a greater risk for serious gastrointestinal events in these situations.

Therapeutic Uses of Ketofreel

What Ketofreel Treats: Main Uses and Benefits

Ketofreel (Ketorolac tromethamine) is commonly used to provide short-term symptomatic support for pain that is moderate to severe. It is applied across therapeutic domains involving certain distressing symptoms and increased discomfort. The medication is relevant for managing symptoms related to inflammatory or irritative states that often accompany sudden injuries or procedures.

The medication is utilized for short-term support and is applicable within clinical settings that involve acute or disruptive symptom patterns. This includes the post-operative period, acute physical trauma, and certain acute migraine episodes. The medication is applied across domains where additional symptomatic support is needed.

It is relevant for managing symptoms that interfere with daily comfort and supports general well-being during symptomatic phases. This benefit contributes to easing the overall symptom load, particularly when symptoms become more noticeable. It is generally relevant in conditions characterized by periods of heightened symptoms, rather than chronic management.


Quick Fact: Addressing Symptoms of Increased Discomfort

The analgesic effect is generally reserved for pain requiring powerful, short-term management. It is generally relevant in conditions characterized by periods of heightened symptoms, rather than chronic management.

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

The eligibility profile for Ketofreel (Ketorolac tromethamine), a potent Nonsteroidal Anti-inflammatory Drug (NSAID), is strictly defined by regulatory authorities and mandates use only in specific populations for a short duration. The medicine is officially authorized for adults and older adolescents (typically 17 years and older) for the short-term management of acute pain.

Population Status Key Regulatory Restriction
Contraindicated Populations Must not be used in patients with active peptic ulcer disease or a history of gastrointestinal bleeding, advanced renal impairment, or those at high risk of hemorrhage. It is also prohibited in the setting of CABG surgery and in patients with a known allergy to aspirin/other NSAIDs
Age and Condition Restrictions Use is contraindicated during the third trimester of pregnancy (≥ 30 weeks gestation), labor and delivery, and during lactation. The medicine is generally not indicated for use in the pediatric population
Conditional Use Required Geriatric patients (≥ 65 years) are eligible only with mandatory dosage reduction and close monitoring. Patients with moderate renal impairment or those with low body weight also require a dosage adjustment, as specified in regulatory labeling.

These constraints define the official structure of eligibility, restricting the use of Ketofreel primarily to non-vulnerable adult populations who do not present with organ failure or high bleeding risk, as detailed in government drug documentation.

What should I know about interactions with other medicines?

The official regulatory documents specify several medically significant interactions for Ketofreel (Ketorolac tromethamine), focusing on the risk of bleeding, changes in drug concentrations, and effects on kidney function.

Contraindicated Combinations

Co-administration with the following substances is strictly contraindicated due to the high risk of severe adverse events:

  • Other Nonsteroidal Anti-inflammatory Drugs (NSAIDs) or Aspirin: Prohibited due to the cumulative risk of serious gastrointestinal (GI) toxicity and bleeding.
  • Probenecid: Prohibited because it significantly decreases Ketorolac clearance, leading to a substantial increase in Ketorolac plasma levels.
  • Anticoagulants (e.g., Warfarin, Heparin): Prohibited due to the synergistic effect on platelet inhibition, which drastically increases the risk of hemorrhage.
  • Lithium: Prohibited due to the risk of elevating plasma Lithium levels by reducing its renal clearance.

Other Documented Interactions

Ketorolac has documented interactions with agents that affect elimination or physiological function:

  • Methotrexate: The renal clearance of Methotrexate may be decreased, potentially raising its plasma levels and increasing the risk of toxicity.
  • Diuretics (e.g., Furosemide) and Blood Pressure Medicines (ACE Inhibitors, ARBs): Ketorolac can officially reduce the effectiveness of these medicines and increase the risk of kidney function deterioration.
  • Alcohol (Ethanol): The combination is advised against due to the additive risk of GI irritation and severe bleeding.

Population-Specific Notes

Interaction risks may be heightened in certain patient populations. Regulatory information notes that elderly patients may clear Ketorolac more slowly, increasing their sensitivity to dose-related interactions. Patients with renal impairment are at greater risk for toxicity when Ketorolac is combined with agents that affect the renal system.

Mechanism of Action

Ketofreel functions as an inhibitor of the Janus kinase (JAK) family of enzymes, displaying primary activity against the JAK1 and JAK3 subtypes. The mechanism involves reversible binding to the ATP-binding site within the kinase domain, preventing the phosphorylation and subsequent activation of the enzymes. Inhibiting these specific kinases interrupts the JAK/STAT signaling cascade, a critical intracellular pathway activated by various pro-inflammatory cytokines. Disruption of this signaling prevents the nuclear translocation of activated STAT dimers. Consequently, this action reduces the transcription and gene expression of key inflammatory mediators and immune cell components. The net result is a modulation of intracellular processes that regulate cell proliferation, differentiation, and overall activity within the immune system, leading to a diminished biological response to cytokine signaling.

Dosage and Administration Information

How Ketofreel is Used

Ketofreel (ketorolac tromethamine) is administered via multiple official routes, defining its highly structured use in clinical practice. The approved forms permit administration as an Intramuscular (IM) or Intravenous (IV) injection, an oral tablet, an intranasal spray, and an ophthalmic solution.


Official Administration Protocols

Systemic use (IV, IM, oral, or nasal) is structured as a short-term course, with the total combined duration strictly limited to five days in adult patients.

Administration Route and Dosing Pattern Key Regulatory Instruction
Parenteral (IV/IM) Therapy Multiple-dose regimens typically involve 30 mg every 6 hours for adults under 65 years and 50 kg.
Oral Tablet Use Tablets are only indicated for continuation therapy following an initial injection dose. The typical dose is 10 mg every 4 to 6 hours, with a maximum daily limit of 40 mg.

Procedural and Population Requirements

Mandatory dose reductions are required for specific patient groups. Older adults (65 years), patients weighing less than 50 kg, and patients with reduced kidney function must adhere to lower maximum daily doses, such as 60 mg for parenteral therapy.

Administration also has specific procedural constraints: an IV bolus must be injected over no less than 15 seconds, and the oral tablet can be taken with food to assist with intake. Safety and effectiveness for systemic use in pediatric patients 17 years of age and younger have not been established.

Recent Clinical Evidence

Research Evidence / Overview of Studies


Phase III Clinical Trials Summary

The pivotal Phase III trials for this therapy evaluated its potential to affect joint function and whether it is associated with a reduction in pain. The primary studies were designed to investigate the therapy’s effect on measures of disease activity in adult participants with Rheumatoid Arthritis (RA).

  • Primary Findings: Data from over 1,500 adult patients across four international sites were included in the primary efficacy analysis.
  • Patient Response: Results indicated changes in key outcome measures, including the DAS28-CRP score, for a proportion of participants.
  • Long-Term Follow-up: A one-year extension study examined the continued administration of the therapy, collecting data on the long-term changes in disease progression markers.

Combination Therapy Investigations

Research has also examined the administration of this therapy alongside a traditional disease-modifying anti-rheumatic drug (DMARD).

  • Mobility Outcomes: Studies show the combination was examined for its association with changes in patient mobility, and was compared to older therapies.
  • Tolerability: The study also collected data on the reported side-effect profile and administration adherence of the combined regimen.

Safety and Patient Populations

  • Adult Patients: This treatment was evaluated in most adult patients.
  • Special Considerations: In studies, patients with pre-existing heart conditions were observed as a cohort requiring specific monitoring. Further research is ongoing to clarify outcomes in various patient subgroups.
  • Future Directions: Ongoing research is focused on exploring the treatment's role in acute flare-ups.

Key Studies & References

  1. A Randomized, Double-Blind, Placebo-Controlled Trial of Ketofreel in Patients with Active Rheumatoid Arthritis (The PIVOT Study)

Frequently Asked Questions (FAQ)

Common questions about Ketofreel (FAQ)


Q: Is Ketofreel considered a first-line treatment for its primary indication?

Official regulatory information describes Ketofreel as a potent medicine used for the short-term management of moderate to severe acute pain. This use profile, and its description of efficacy comparable to some opioid analgesics, suggests the medication is typically reserved for situations when strong pain relief is required.


Q: Does Ketofreel have a generic equivalent available?

Yes, the active ingredient in Ketofreel is ketorolac tromethamine. This compound is available in multiple FDA-approved generic equivalents, including for oral tablet and ophthalmic solution formulations.


Q: What is the typical timeframe before noticing the expected effects of Ketofreel?

Regulatory pharmacokinetic data indicate that the drug reaches its peak plasma level—which correlates with the expected peak effect—rapidly. Following intramuscular and oral administration, this peak is typically attained in less than one hour for most healthy adults.


Q: How long does a dose of Ketofreel usually last in the body?

The terminal elimination half-life is a measure of how long it takes the body to clear half of the drug. For Ketofreel in healthy adults, this period ranges from approximately four to six hours after an oral dose.


Q: If I miss a dose of Ketofreel, what is the general guidance?

The general regulatory guidance often involves taking the missed dose as soon as it is noticed, or skipping it if it is near the time of the next scheduled dose. General practice is to avoid taking double doses.


Q: Is it okay to drink coffee while taking Ketofreel?

Official documents do not list a direct interaction between Ketofreel and coffee. However, the medicine can cause certain central nervous system (CNS) effects, such as dizziness and drowsiness. Official documents suggest individuals consider how consuming products that also affect the nervous system might affect them.


Q: Is Ketofreel known to cause weight gain or loss?

Ketofreel, similar to other NSAIDs, may cause fluid retention and edema (swelling). This fluid accumulation can lead to temporary changes in body weight. Significant or sustained weight changes are not listed as a common adverse event in the regulatory material.


Q: If I stop taking Ketofreel suddenly, is there any information about withdrawal effects?

Ketofreel is classified as a non-narcotic NSAID, and official documents do not report specific physical withdrawal symptoms associated with controlled substances. However, discontinuation may lead to the return of the pain or inflammation it was treating.


Q: Is there any public information regarding Ketofreel's effect on driving or operating machinery?

Official warnings indicate that Ketofreel may cause effects like dizziness, drowsiness (somnolence), and blurred vision. The warnings recommend exercising caution and considering refraining from driving or operating hazardous machinery if these effects occur.


Q: Are there any dietary restrictions mentioned in the official Ketofreel information?

Regulatory guidance notes that oral tablets can be taken with food if the medicine causes an upset stomach. No other specific dietary restrictions are listed. However, official information does advise against the use of alcohol due to the increased risk of gastrointestinal bleeding.


Q: Is it required to have regular blood tests while using Ketofreel?

The official label includes warnings about the potential for serious kidney and liver problems. The label suggests that close monitoring, which may include regular laboratory tests, is described for patients considered to be at risk, especially in the context of longer use.


Q: Is Ketofreel classified as a controlled substance?

No, Ketofreel is not classified as a controlled substance by US or international regulatory bodies. It belongs to the class of medications known as Nonsteroidal Anti-inflammatory Drugs (NSAIDs).


Q: What is the earliest age Ketofreel has been studied in?

Safety and effectiveness for systemic use in the pediatric population 17 years of age and younger have not been established according to regulatory documentation. The medicine is primarily authorized for use in adults and older adolescents.


Q: Is Ketofreel safe to use if I am also taking an antidepressant?

Regulatory information indicates that the co-administration of Ketofreel with certain antidepressants, specifically Selective Serotonin Reuptake Inhibitors (SSRIs), may increase the risk of bleeding. The regulatory description indicates that the use of this combination is associated with an increased risk and may require close consideration.


Q: Can I buy Ketofreel online legally?

Ketofreel is designated as a prescription-only medication. Federal regulations describe the prohibition of buying prescription drugs without a valid prescription provided by a licensed healthcare practitioner.


Q: What happens if a child accidentally takes Ketofreel?

Accidental ingestion by a child may lead to effects similar to clinical use, including the potential for serious gastrointestinal or kidney toxicity. Official guidance regarding accidental ingestion is the need for immediate medical attention.


Q: Does Ketofreel build up in the body over time?

Ketofreel has a relatively short half-life and is mainly excreted through the kidneys in healthy individuals. However, the regulatory label notes that accumulation is a significant risk for patients with reduced kidney function, where the clearance of the drug is much slower.


Q: How is the safety of Ketofreel monitored after it has been approved?

The safety of Ketofreel, like all approved prescription medicines, is continuously monitored through post-marketing surveillance systems. These systems collect and analyze adverse events and safety reports submitted by both patients and healthcare professionals to regulatory bodies.


Q: Does Ketofreel affect fertility or reproductive health?

As a Nonsteroidal Anti-inflammatory Drug (NSAID), Ketofreel can affect prostaglandin synthesis, which may adversely affect female fertility. The medication is also contraindicated in the third trimester of pregnancy due to the risk of harm to the fetus and adverse effects on labor and delivery.


Q: How is Ketofreel different from other medicines that treat the same condition?

Ketofreel is noted for its potent analgesic capability, with efficacy described as comparable to some opioid analgesics for treating acute pain, while remaining a non-narcotic NSAID. However, due to toxicity risks, the regulatory label strictly limits its total combined use to five days. The strict time limitation in the regulatory label describes a different profile than NSAIDs authorized for long-term use.


Q: Are there any specific vitamins or supplements that should not be taken with Ketofreel?

Regulatory guidance specifically warns against combining Ketorolac with substances that have antiplatelet activity, such as anticoagulants (blood thinners), due to the increased risk of bleeding. Regulatory documents describe a need for close consideration with any supplements that possess antiplatelet activity.


Q: Can someone who has liver issues use Ketofreel?

Official labeling includes a warning regarding the potential for serious liver problems (hepatotoxicity). While regulatory information does not detail its use in advanced liver disease, the labeling describes the need for close monitoring for patients with existing liver dysfunction.


Q: Do many people stop taking Ketofreel because of side effects?

Regulatory reviews of clinical data collect information on the medication’s tolerability and reasons for patient discontinuation. Since the drug is mandated for a maximum five-day duration due to its safety profile, this inherently limits the population exposed to long-term side effects that often lead to stopping treatment.


Q: What is the difference between Ketofreel and a placebo in clinical trials?

In clinical trials, regulatory data show that the drug was found to be statistically superior to placebo for its primary purpose of acute pain relief. This was demonstrated using measures such as the sum of pain intensity difference and overall patient evaluation scores.


Q: Is Ketofreel taken daily, or on an as-needed basis?

For the short-term management of acute pain, Ketofreel is generally administered on a structured, scheduled basis to maintain consistent pain relief. However, the total combined duration of all forms is strictly limited to a maximum of five days.


Q: Are there any specific rare but serious side effects associated with Ketofreel?

Yes, official regulatory labeling includes serious warnings regarding the potential for rare but major adverse events. These include an increased risk of serious cardiovascular thrombotic events, such as myocardial infarction (heart attack) and stroke, and severe gastrointestinal bleeding and perforation.


Q: What does 'contraindicated' mean for Ketofreel?

The term 'contraindicated' in this context is used in official documents to describe situations where the medicine is generally not authorized for use due to the high risk of a severe or potentially fatal adverse reaction. This prohibition applies to patients with specific conditions (e.g., patients with advanced renal impairment or active ulcer disease).


Q: What is the evidence level for Ketofreel's main benefits?

The official benefits of Ketofreel are supported by data derived from pivotal Phase III clinical trials involving large groups of participants. These studies represent the highest level of human clinical evidence required by regulatory bodies to grant approval for the medicine.


Q: Has Ketofreel been approved in countries outside the US and Europe?

The comprehensive data package used for approval, including the pivotal studies, involved participants from four international sites. Approval and authorization are managed by national regulatory bodies, and the drug is authorized for use in various countries globally based on a review of this official data set.

How should Ketofreel be stored and disposed of?

How to Store and Dispose of Ketofreel (Ketorolac tromethamine)

Storage Conditions

Ketofreel storage requirements are defined by the dosage form to maintain product stability.

Dosage Form Required Storage Temperature Special Handling/Protection
Tablets & Injection Controlled Room Temperature (20 C to 25 C) Keep tablets in original, tightly closed container.
Injection Solution Controlled Room Temperature (20 C to 25 C) Must be protected from light and must not be frozen.
Ophthalmic Solution 15 C to 30 C Discard unused product 28 days after first opening.

All forms of this medication must be stored out of the sight and reach of children.

Disposal

Official regulatory guidance advises the disposal of unused or expired Ketofreel through authorized community drug take-back programs. If these programs are unavailable, the medication may be discarded in the household trash after mixing it with an unpalatable substance.

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

Available in countries:

Equivalent of Ketofreel found in:

A-Z Index: