Ketral

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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 Ketral

What is Ketral? (Ketorolac Overview)

Property Description
Active Ingredient Ketorolac Tromethamine
Pharmacological Class Nonsteroidal Anti-inflammatory Drug (NSAID)
Principal Role Relief of moderate to moderately severe acute pain
Available Forms Oral tablet, injection, nasal spray, ophthalmic solution
Origin Synthetic organic compound

What Type of Medicine is Ketral?

Ketral is the trade name for a powerful analgesic medication whose active ingredient is Ketorolac Tromethamine. It is classified as a Nonsteroidal Anti-inflammatory Drug (NSAID), belonging specifically to the acetic acid chemical class. This medicine is a synthetic organic compound and is widely recognized for its high analgesic potency, which often requires a prescription for use.

Ketorolac is utilized for treating moderately severe pain, positioning it as a strong non-opioid option. This high potency is clinically recognized as effective for pain management scenarios, such as immediately following a surgical procedure.

Composition and Available Forms of Ketorolac

The medicine is a single-ingredient product utilizing Ketorolac, which is intentionally formulated as the water-soluble Tromethamine salt to optimize its delivery across various routes of administration. This composition facilitates its availability in several dosage forms, including the oral tablet, solution for injection (used for parenteral administration), a nasal spray, and an ophthalmic solution. The array of systemic forms—including the solution for injection—is a key differentiating feature, allowing for rapid administration when pain is acute.

What is the General Purpose of Ketral Analgesia?

The fundamental purpose of Ketral is to provide strong, effective, non-narcotic relief by mitigating the physical causes of pain and inflammation. Ketorolac possesses marked analgesic and anti-inflammatory properties, suitable for managing acute pain states. This confirms that the medication is designed to address severe physical discomfort associated with inflammatory processes, providing powerful short-term relief for patients.

What side effects are possible with Ketral?

Possible side effects and safety information

The official safety profile for Ketral (Ketorolac Tromethamine) is documented by regulatory authorities, classifying potential adverse reactions and establishing essential constraints on its use.

Documented Adverse Reactions

Adverse effects are grouped into system-organ classes, with the most commonly reported reactions classified as Common (affecting 1 to 10 users in 100). These frequently observed effects include symptoms within the Gastrointestinal System such as nausea, dyspepsia, and abdominal pain, as well as effects within the Nervous System, including headache, dizziness, and somnolence. Less common reactions are also listed across other systems, such as various rashes and hypersensitivity reactions.

Serious Safety Considerations

Regulatory documentation highlights the risk of rare but serious adverse reactions that necessitate strict oversight. These include severe Gastrointestinal Events, such as bleeding, ulceration, or perforation, which are a major safety focus. Furthermore, the label details the risk of serious Cardiovascular Thrombotic Events, including myocardial infarction and stroke, which may occur at any point during treatment.

Safety Constraints and Population-Specific Notes

The medicine is subject to safety constraints tied to the duration of exposure. The risk of serious gastrointestinal events increases with prolonged use, leading to a regulatory restriction that the combined systemic use of Ketral should not exceed five days. Specific safety notes also apply to certain populations; for example, older adults are documented as being at a higher risk for serious GI adverse events. Use is also often contraindicated in individuals with severe renal or hepatic impairment, reflecting the potential for adverse effects on these organ systems.

Overdose and Emergency Response

The official regulatory profile for Ketral (Ketorolac Tromethamine) overdose primarily details manifestations related to the gastrointestinal and central nervous systems. Documented clinical presentations include nausea, vomiting, epigastric pain, abdominal pain, lethargy, drowsiness, and hyperventilation. Overdose may rarely lead to potentially severe outcomes, including gastrointestinal bleeding, acute renal failure, hypertension, respiratory depression, and coma. Observed renal dysfunction is noted to resolve following discontinuation of the medication.

Required Emergency Actions

Patients must seek immediate medical attention for any suspected overdose. Emergency services should be contacted immediately if severe symptoms are present, such as collapse, difficulty breathing, or unresponsiveness. Management is strictly based on symptomatic and supportive care, as no specific antidotes are known.

For a large oral overdose (defined as 5 to 10 times the usual dose) seen within four hours of ingestion, supportive procedures such as the administration of activated charcoal and/or osmotic cathartics may be indicated. Regulatory information specifies differing activated charcoal dosing for children. The official labeling notes that methods like forced diuresis and hemodialysis are generally considered ineffective for drug elimination due to high protein binding.

Therapeutic Uses of Ketral

What Ketral Treats: Main Uses and Benefits

Ketral (Ketorolac) is commonly used for the short-term management of moderately severe acute pain that requires strong symptomatic support.

The medication is relevant for pain of heightened intensity, and is generally not applied for minor discomfort or long-term chronic manifestations. This analgesic is commonly used to help with pain characterized by high symptom intensity in conditions presenting with inflammatory or irritative processes, such as following surgical procedures or during sudden flare-ups like renal colic.

Therapeutic Support

Ketral is applied in clinical settings that involve acute or unstable symptom patterns. This provides support that may assist the patient in easing the overall symptom burden during periods of heightened physical distress. For example, it is frequently used for managing symptoms of localized swelling and tenderness that occur together with physical discomfort. As a non-narcotic option, it contributes to improved comfort during symptomatic periods and may assist with maintaining functional stability by supporting non-narcotic pain management strategies.

“It provides supportive relief when symptoms interfere with routine activities.”


Key Focus: Symptom Management

Key Focus: Symptom Management
Primary Focus: Managing symptoms of pain classified as moderate to moderately severe.
Common Contexts: Post-surgical care and emergency situations.
Benefit: Helps address pronounced symptoms and supports a reduction in overall symptom burden.

Regulatory References

  1. NIH DailyMed drug information

Eligibility and Restrictions for Use

Who Can and Cannot Use Ketral?

The eligibility for systemic use of Ketral (Ketorolac Tromethamine) is highly restricted by governmental regulatory labels, primarily due to its potency and classification as an NSAID. Use is restricted to adults (generally ge 17 years of age) for a maximum duration of five days of combined systemic therapy.

Populations and Conditions Contraindicated

Ketral is CONTRAINDICATED and must not be used in numerous patient populations as defined by regulatory authorities. Absolute prohibitions include patients with active or a history of peptic ulcer disease or gastrointestinal bleeding. Individuals with advanced renal impairment or those at risk of bleeding (e.g., suspected cerebrovascular bleeding) are also ineligible. Use is strictly forbidden for peri-operative pain in the setting of Coronary Artery Bypass Graft (CABG) surgery.

Age, Pregnancy, and Organ Function Restrictions

Systemic use is not indicated for the pediatric population (le 16 years of age) as safety and efficacy are not established. The medicine is contraindicated during the third trimester of pregnancy and in women who are breastfeeding. In older adults and those with moderate renal impairment, use is permitted but requires adherence to the lowest effective dose and the maximum five-day duration.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Ketral (Ketorolac) documents several types of interactions and mandated prohibitions.

Contraindicated Combinations

Co-administration with other Nonsteroidal Anti-inflammatory Drugs (NSAIDs), including aspirin, is strictly contraindicated due to the cumulative risk of serious gastrointestinal events. The medicine is also contraindicated with Anticoagulants (such as Warfarin) and low-dose Heparin because of the heightened risk of hemorrhage. The regulatory label formally prohibits combining Ketral with Probenecid due to the resulting significant decrease in clearance, which increases Ketral plasma levels approximately threefold.

Pharmacodynamic and Exposure Changes

Ketral can interact with other drugs by affecting physiological mechanisms. For instance, co-administration with Diuretics (e.g., Furosemide), ACE Inhibitors, or Angiotensin Receptor Blockers (ARBs) may officially reduce the natriuretic and antihypertensive efficacy of these medicines. The concurrent use of SSRIs, Corticosteroids, or Anti-platelet Agents is documented to increase the synergistic risk of ulceration and bleeding. Furthermore, Ketral can reduce the renal clearance of Lithium, leading to an elevation of plasma Lithium levels, and may enhance the toxicity of Methotrexate.

Substance and Duration Rules

Administration after a high-fat meal documents a decrease in peak concentration (Cmax) and a delay in time-to-peak concentration (Tmax). The combination with alcohol increases the risk of GI bleeding. Importantly, the total cumulative duration of use for all Ketral formulations must not exceed five days to manage overall exposure and associated risks. Elderly patients may also exhibit slower clearance, impacting interaction sensitivity.

Mechanism of Action

Non-Selective Enzyme Inhibition: The Molecular Target

Ketral acts by being a non-selective, competitive inhibitor of the Cyclooxygenase-1 (COX-1) and Cyclooxygenase-2 (COX-2) enzymes. This mechanism prevents these key enzymes from metabolizing arachidonic acid, thereby blocking the synthesis of various prostanoids, which are crucial signaling molecules. This initial molecular interference is the foundational step in the drug's activity, determining the scope of its downstream physiological consequences.


Dual-Action Modulation of Nociceptive Pathways

The resulting suppression of prostaglandin synthesis impacts the nociceptive system at two distinct levels. Peripherally, fewer prostaglandins are available to sensitize nerve endings at the site of inflammation. Centrally, the drug modulates prostaglandin-mediated signaling within the spinal cord and brain, reducing the amplification of pain signals (central sensitization). This dual-action approach results in a reduction of prostaglandin-mediated signal intensity and defining the final systemic consequences of the inhibition.

Dosage and Administration Information

How Ketral is Used: Official Administration Guidelines

Ketral (Ketorolac Tromethamine) is indicated as a short-term measure for acute pain. The systemic forms are the Intravenous (IV) bolus, Intramuscular (IM) injection, and the 10 mg Oral tablet. The total combined duration for all systemic routes must not exceed five days.


Administration Scope

Feature Guideline
Dosing Schedule Multiple-dose IV/IM: 30 mg every 6 hours (for standard adult populations). Oral maintenance: 10 mg every 4 to 6 hours.
Special Conditions The oral tablet is authorized only for continuation therapy following parenteral use; it must not be used as the initial dose.
IV Procedure IV bolus administration must take no less than 15 seconds.

Population-Specific Use

Mandatory dose adjustments apply to specific groups. Patients who are 65 years of age or older, who weigh less than 50 kg, or who have moderately elevated serum creatinine are required to receive a reduced maximum daily dose.

Resulting Procedural Structure

The official usage protocol requires a sequence of administration. Treatment is initiated via the parenteral route (IV or IM). Transitioning to the oral tablet, which has a lower 40 mg maximum daily dose, may occur afterward. The total daily parenteral dose for special populations is capped at 60 mg. All steps are strictly time-bound to the five-day limitation on therapy.

Recent Clinical Evidence

Ketral: Recent Clinical Evidence

Research Evidence / Overview of Studies

Mechanism of Action

Research has explored the actions of the drug. Pharmacological research was conducted to understand the drug's activity. Studies explored the drug's activity concerning pain perception and emotional response to pain signals.

Pharmacological Studies and Pain Relief

Clinical trials have assessed the investigation of this drug in managing chronic, non-cancer-related pain. Research evaluated the drug's profile over time across various patient groups.


Initial Efficacy and Dosage

Initial clinical trial designs involved participants starting treatment at a specific dose, followed by a titration phase. One study involving 450 participants was studied to see if it was associated with changes in daily pain scores after 12 weeks of treatment. This specific study has been studied for its investigation in individuals with neuropathic pain.

Combination Therapy Trials

Studies investigated whether the combination was associated with changes in mobility and in rescue medication use when the drug was administered alongside non-steroidal anti-inflammatory drugs (NSAIDs). The results of these combination trials have been published in peer-reviewed journals.


Long-Term Safety and Tolerability

Long-term use has been evaluated in studies examining safety profiles and tolerability over a period of up to 52 weeks. Researchers explored the drug's activity regarding changes in joint damage progression in subjects with inflammatory arthritis. Adverse events were noted during these long-term studies.

Comparative Studies

Studies compared it to older treatments like conventional opioids and certain antidepressants to assess the tolerability and effect on quality of life. Clinical trials examined participants who took the drug daily for a specified period to assess differences in reported adverse events.

Key Studies & References NICE Guideline: Chronic Pain (Primary and Secondary) in Over 16s: Assessment and Management

Frequently Asked Questions (FAQ)

Common questions about Ketral (FAQ)

Q: How is Ketral different from other medicines used for similar conditions?

According to official documents, this medicine is classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). An important difference noted in regulatory information is that, unlike some other strong pain medications, this drug does not possess sedative or anti-anxiety properties.

Q: Is it possible to become dependent on Ketral?

Official regulatory labels classify this medicine as a Nonsteroidal Anti-inflammatory Drug (NSAID). Furthermore, official sources state that Ketral has no DEA Schedule classification, indicating that it is not considered a controlled substance for its analgesic use.

Q: Why is Ketral sometimes prescribed instead of Drug X (a similar medicine)?

Official prescribing information indicates that this medicine is used for the short-term management of moderately severe acute pain. It is noted to provide pain relief comparable to the opioid level, which is a key factor in the clinical context of its use.

Q: Does taking Ketral affect the ability to drive or operate machinery?

Because the medicine may cause effects such as dizziness or drowsiness, official consumer information advises caution if these effects are experienced. Regulatory consumer information advises caution for activities requiring high alertness, such as driving or operating machinery, if side effects like dizziness or drowsiness are experienced.

Q: Is Ketral listed as a controlled substance?

Official regulatory labels indicate that the medicine has no DEA Schedule classification in the United States. This means it is not listed as a controlled substance.

Q: If I have a history of heart problems, can I still use Ketral?

Regulatory documents carry a Boxed Warning stating that Nonsteroidal Anti-inflammatory Drugs (NSAIDs) may increase the risk of serious cardiovascular thrombotic events such as heart attack and stroke. The medicine is also strictly contraindicated (must not be used) for pain management following Coronary Artery Bypass Graft (CABG) surgery.

Q: Can Ketral be taken on an empty stomach?

Patient information advises that the oral tablet can be taken with or without food. Official patient information notes that taking the medicine with food may be preferred by some to help manage stomach upset.

Q: Does Ketral start working right away, or does it take time?

According to the official product information, the peak pain-relieving effect of the medicine usually occurs within two to three hours after administration.

Q: How long does the effect of a single dose of Ketral last?

Official regulatory documents contain pharmacokinetic data, which describes how the body processes the medicine. The medicine's half-life, a measure of how long it stays in the body, is generally reported to be in the range of five to six hours for healthy adults.

Q: Can Ketral be taken with vitamins or supplements?

Regulatory information notes a potential for elevated potassium levels when used concurrently with Potassium supplements. Official drug information describes that combining the medicine with supplements known to increase bleeding risk may elevate safety concerns.

Q: What are the general expectations for someone starting Ketral?

According to the official product information, patients should expect the treatment to be short-term, limited to a maximum of five days of combined use. Treatment is typically initiated with an injection before a transition to the oral tablet.

Q: What is the difference between an 'adverse event' and a 'side effect' for Ketral?

Regulatory guidance often defines a side effect as an expected or known secondary effect that is observed during therapy. In contrast, an adverse event is generally an unexpected or undesired occurrence resulting from the use of a medicine.

Q: How is Ketral eliminated from the body?

Official pharmacokinetic data indicates that the medicine is primarily eliminated from the body via the kidneys (renal elimination). Approximately 91% of the dose is found to be excreted in the urine.

Q: Can taking Ketral worsen pre-existing mental health conditions?

Official safety information lists mental/mood changes as possible serious side effects. These can include effects such as confusion or depression.

How should Ketral be stored and disposed of?

Storage and Handling Requirements

Ketral (Ketorolac Tromethamine) must be stored at a Controlled Room Temperature, specifically between 20 C and 25 C (68 F and 77 F). The official labeling requires that the medicine be protected from freezing. Certain liquid formulations, such as the injection or ophthalmic solution, should be protected from light and kept in the original carton.

Stability and Disposal

For stability, the injectable solution must be clear, and any unused portion of single-dose containers must be discarded immediately. Consistent with all official regulatory guidance, Ketral must be kept out of the sight and reach of children.

Disposal of unused or expired Ketral is required to be carried out in accordance with all local and national pharmaceutical waste regulations.

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

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