Teva-Ketorolac

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Teva-Ketorolac

Quick Facts

Property Description
Active Ingredient Ketorolac tromethamine
Forms Tablet, Solution for injection, Ophthalmic solution
Pharmacological Class Nonsteroidal Anti-inflammatory Drug (NSAID)
Origin Synthetic substance
Common Purpose Short-term relief of acute, moderately severe pain

What is Teva-Ketorolac and What Class Does It Belong To?

Teva-Ketorolac is a prescription medication classified as a potent Nonsteroidal Anti-inflammatory Drug (NSAID), developed by Teva Pharmaceutical Industries. The drug’s sole active ingredient is the synthetic substance ketorolac tromethamine, which functions as a powerful analgesic and anti-inflammatory agent. It is designated as a non-narcotic analgesic, distinguishing it from opioid pain relievers, and is intended primarily for short-term use in adult patients when pain severity is moderate to severe. The drug's classification as an NSAID means its action is clinically recognized for its efficacy in controlling acute pain and inflammation.


What Forms of Ketorolac are Available?

Ketorolac tromethamine is prepared in various dosage forms to facilitate different route of administration methods, making it versatile in acute care settings. The common pharmaceutical preparations include the oral tablet and a sterile solution for injection, which is used for intramuscular or intravenous injection. This dual-form availability is a key feature, allowing for rapid relief via injection followed by a transition to the oral tablet. Additionally, ketorolac is formulated as an ophthalmic solution for targeted topical use in managing pain and inflammation related to the eye.


What is the General Purpose of Teva-Ketorolac?

The general purpose of Teva-Ketorolac is to provide effective pain management and reduction of inflammation during periods of acute need. Its physiological action involves interrupting the body's production of local chemicals that signal pain and promote swelling. This mechanism underpins its utility in providing strong, non-opioid relief that assists in patient comfort and recovery, particularly in situations following surgical procedures or significant injury.

Regulatory References

  1. NIH, Ketorolac Monograph

What side effects are possible with Teva-Ketorolac?

Possible Side Effects and Safety Information

Teva-Ketorolac (a nonsteroidal anti-inflammatory drug or NSAID) carries significant safety risks, which are detailed in official regulatory warnings. The total combined duration of use for all formulations (oral and injectable) must not exceed 5 days to minimize the risk of serious adverse events.

Serious and Clinically Significant Risks

Ketorolac is associated with U.S. FDA Boxed Warnings regarding:

  • Gastrointestinal (GI) Risk: Increased risk of serious GI adverse events, including bleeding, ulceration, and perforation of the stomach or intestines, which can be fatal. These events can occur at any time without warning symptoms.
  • Cardiovascular (CV) Thrombotic Risk: Increased risk of serious cardiovascular thrombotic events, myocardial infarction (heart attack), and stroke, which can be fatal. This risk may increase with the duration of use.

Common Adverse Reactions

The most frequently reported side effects (incidence 1%) are predominantly related to the gastrointestinal and nervous systems, and include headache, nausea, dyspepsia (indigestion), abdominal pain, dizziness, and drowsiness. Adverse reaction rates are known to increase with higher doses.

Population-Specific Restrictions and Contraindications

Ketorolac is contraindicated in specific patient populations and conditions, including:

  • Bleeding Risk: Patients with active bleeding (e.g., suspected cerebrovascular hemorrhage) or high risk of bleeding due to incomplete hemostasis or coagulation disorders.
  • Renal Impairment: Patients with advanced or moderate-to-severe renal impairment.
  • Pregnancy and Lactation: Use is generally contraindicated during the third trimester of pregnancy due to fetal risk, and during labor, delivery, and breastfeeding.
  • Elderly patients (65 years and older) are at greater risk for serious GI and renal events and may require dosage adjustments. The drug should not be used in the setting of coronary artery bypass graft (CABG) surgery.

Overdose and Emergency Response

Overdose Map: Overdose and when to seek help — Official Regulatory Information for Teva-Ketorolac

Overdose scope

Category Official Regulatory Documentation
Documented overdose presentations Acute ingestion may present with Lethargy, Drowsiness, Nausea, Vomiting, Epigastric Pain, Abdominal Pain, and Hyperventilation. Single overdoses have been associated with Peptic Ulcers, Erosive Gastritis, and Renal Dysfunction (often reversible).
Physiological systems affected (as stated in label) Gastrointestinal (bleeding, ulcers); Renal (acute failure); Central Nervous System (coma, respiratory depression); Cardiovascular (hypertension); Immune/Allergic (anaphylactoid reactions).
Dose-related or exposure-related factors (if applicable) Procedural interventions are typically indicated for symptomatic cases or following ingestion of a large oral overdose (5 to 10 times the usual dose).
Population-specific overdose notes (if applicable) Supportive management procedures, such as the use of activated charcoal, have specific dosing criteria differentiating adults and children.
Emergency-response statements (as written in official documents) Patients must be managed solely by symptomatic and supportive care. Specific procedural measures may include emesis, activated charcoal, and an osmotic cathartic under physician direction.
When immediate medical help is required (label-derived phrasing only) Immediate medical attention is required for the onset of severe outcomes, including Gastrointestinal Bleeding, signs of Acute Renal Failure, Respiratory Depression, Coma, or Anaphylactoid Reactions. No specific antidotes are known.

Overdose classifications (high-level)

Category Official Regulatory Documentation
Severity classification (as defined in official documents) Symptoms are often reversible with supportive care, but the risk of rare severe or life-threatening complications is documented.
Regulatory basis (EMA / FDA / etc.) Information is based on official Prescribing Information / Summary of Product Characteristics.
Overdose-context constraints (as defined in official documents) Treatment is constrained by the official statement that no specific antidotes are known.

Resulting overdose structure

Official overdose statements:

  • Acute overdose may manifest as GI distress and CNS effects.
  • The label explicitly documents the potential for rare but severe outcomes such as GI bleeding, acute renal failure, and respiratory depression.
  • Immediate medical attention is required for the development of any severe sign, as the only mandated management is symptomatic and supportive care.

Connection to the overall overdose profile (2–4 sentences): The regulatory documents define the overdose profile by listing the specific clinical and physiological manifestations that may occur following acute ingestion of Ketorolac tromethamine. This documentation establishes that the management approach is strictly supportive due to the lack of an antidote and explicitly mandates the conditions—namely the presence of severe effects—under which urgent professional medical help must be sought. The profile serves to inform on the risks and required emergency actions solely as documented by governmental health authorities.

Therapeutic Uses of Teva-Ketorolac

What Teva-Ketorolac Treats: Main Uses and Benefits

Teva-Ketorolac is commonly used to help manage acute pain that is typically classified as moderately severe, such as intense discomfort experienced following surgery or a significant injury. This application is relevant in situations where additional symptomatic support is needed to ease the burden of discomfort.

The medication is relevant for conditions characterized by periods of heightened symptoms that create noticeable physiological strain, applied across domains where short-term symptomatic assistance is appropriate. It is commonly used to help with symptoms related to postoperative pain, musculoskeletal injury, and localized inflammation.

A key therapeutic benefit is providing non-narcotic supportive relief for symptoms that create noticeable physiological strain, which may contribute to easing the overall symptom load for adult patients. It is applied during phases of increased distress or discomfort.

“The medication's primary therapeutic role is to offer supportive relief during acute phases, assisting patients with maintaining a sense of stability when symptoms are more noticeable.”

Quick Fact: Relief for Acute Pain and Inflammation
Symptom Severity Focus Moderately severe pain, acute states of inflammation
Typical Scenarios Postoperative care, significant injury scenarios
Core Benefit Non-narcotic supportive relief for symptoms associated with acute changes

Eligibility and Restrictions for Use

Who Can and Cannot Use Teva-Ketorolac

Teva-Ketorolac (ketorolac tromethamine) eligibility is strictly defined by regulatory authorities and is generally restricted to adult patients for a maximum combined duration of five days to treat acute, moderately severe pain.


Populations and Conditions for Whom Use is Contraindicated

Regulatory documents state the medicine must not be used (contraindicated) in several populations due to increased risk:

  • Gastrointestinal Risk: Patients with active peptic ulcer disease, recent GI bleeding or perforation, or a history of these conditions.
  • Bleeding Risk: Individuals with suspected or confirmed cerebrovascular bleeding, or any condition involving incomplete hemostasis.
  • Organ Impairment: Patients with advanced renal impairment or severe heart failure.
  • Allergy: Individuals with known hypersensitivity to ketorolac, aspirin, or any other Nonsteroidal Anti-inflammatory Drug (NSAID).
  • Pregnancy/Lactation: Use is contraindicated during the third trimester of pregnancy, labor and delivery, and in breastfeeding women.

Restricted and Non-Established Eligibility

  • Age: The medication is not indicated for use in pediatric patients (under 17 years of age) as safety and efficacy have not been established. Older patients (age 65 and above) require extreme caution and often a reduced maximum daily dose.
  • Renal Function: Use is restricted in patients with mild renal impairment, requiring dose reduction and close monitoring.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Teva-Ketorolac (ketorolac tromethamine) has officially documented interaction patterns that establish constraints on co-administration based on cumulative risk and pharmacokinetic alterations. Combining the medicine with Aspirin and other Nonsteroidal Anti-inflammatory Drugs (NSAIDs) is contraindicated due to the cumulative risk of serious adverse events. Co-administration with Probenecid is also restricted because it significantly reduces the clearance of ketorolac, leading to high systemic exposure.

Pharmacodynamic interactions focus on shared risk. Combining the medicine with Anticoagulants or Selective Serotonin Reuptake Inhibitors (SSRIs) may increase the risk of bleeding. Furthermore, using it with Antihypertensives (such as ACE Inhibitors or Diuretics) can impair the blood pressure-lowering effect and increase the risk of renal function impairment.

Regarding elimination, ketorolac can decrease the renal clearance of substances like Lithium and Methotrexate, resulting in elevated plasma concentrations and potential toxicity for the co-administered drug. The regulatory label enforces a critical constraint: the total duration of systemic use (all IM, IV, or oral formulations combined) must not exceed five days. Additionally, a high-fat meal is documented to decrease and delay the oral tablet's peak concentration.

Mechanism of Action

How Teva-Ketorolac Works

Teva-Ketorolac's mechanism involves the Cyclooxygenase (COX) enzyme system, which regulates the biosynthesis of inflammatory mediators. This action is rooted in its role as a non-selective inhibitor of the COX enzyme system.


Enzyme Target and Prostaglandin Synthesis

Teva-Ketorolac acts as a non-selective inhibitor of both the COX-1 and COX-2 enzymes, which are necessary to convert arachidonic acid into prostaglandins and other eicosanoids. By blocking this foundational molecular step, the drug reduces the creation of these key signaling mediators throughout the body, engaging mechanisms that modulate biochemical processes in peripheral tissues and in the central nervous system.


Pathway Modulation and Physiological Response

The reduction in prostaglandin levels directly affects the nociceptive signaling system. Specifically, fewer prostaglandins are available to sensitize peripheral nociceptors, which leads to a diminution of afferent signal transmission. This mechanistic domain also influences the inflammatory pathways by limiting the production of mediators that affect local tissue permeability and vasodilation.


Mechanism Limitations and Homeostatic Constraints

The non-selective nature of the mechanism means it also inhibits COX-1-dependent processes that are vital for maintaining certain homeostatic functions. This inhibition consequently suppresses the production of protective prostaglandins needed for maintaining the defensive barrier of the stomach lining and for supporting crucial blood flow regulation in the kidneys under specific physiological conditions.

Dosage and Administration Information

Instruction Map: How to use Teva-Ketorolac — Official Administration Guidelines


Administration Scope

Ketorolac tromethamine is designated for administration via several official routes, including intravenous (IV) and intramuscular (IM) injection, as well as the oral tablet and the intranasal spray. Its use is governed by a short-term, acute-care protocol that mandates a maximum total systemic course duration of five days across all formulations combined.

Labeled Dosing Principles:

Administration typically begins with the injectable form (IV or IM) for rapid action, with subsequent treatment transitioning to the 10 mg oral tablet. The oral form is strictly intended for continuation therapy and should not be used as an initial dose. Standard adult multiple dosing for the injectable route is 30 mg every 6 hours, with a maximum daily dose of 120 mg. The oral continuation dose is 20 mg initially, followed by 10 mg every 4 to 6 hours, not to exceed 40 mg daily. The oral tablet should be taken with food or an antacid.


Administration and Population Rules

Specific administration rules apply to the different forms. An IV bolus must be administered over no less than 15 seconds, and IM injection requires slow, deep administration into the muscle. Dosing adjustments are required for certain populations. Older adults (ge 65 yrs), patients weighing less than 50 kg, and those with renal impairment must receive a lower maximum daily dose, which is restricted to 60 mg for the injectable form. Concomitant use with any other ketorolac formulation or other NSAIDs is explicitly prohibited.


Connection to the overall use protocol (Summary)

The established guidelines establish a rigid procedural structure for this medicine, mandating a specific sequence that begins with injection and transitions to oral continuation therapy, never allowing the oral form for initial treatment. This structure is defined by precise numerical doses and maximum daily limits, which are further constrained by a strict, non-negotiable five-day total course duration.

Recent Clinical Evidence

Teva-Ketorolac: Recent Clinical Evidence

Research Evidence for Short-term Acute Pain Management

Teva-Ketorolac was evaluated in research exploring how symptoms evolve during moderately severe acute pain, such as the discomfort often experienced right after a surgical procedure. The foundation of this evidence relies on numerous Short-Term Randomized Controlled Trials (RCTs). These are studies where adult patients experiencing pain were assigned at random to receive Teva-Ketorolac, a placebo (a non-active treatment), or an active comparator medication. The research examined patients during periods of increased symptom activity and the primary goal was to describe patterns in how symptoms evolved in the observed populations. For instance, research explored how symptoms changed over time, specifically focusing on whether studies documented specific changes in pain intensity in the hours immediately following administration. The evidence describes symptom patterns relevant to conditions associated with acute or disruptive episodes.

Study Focus: Pain Measurement and Opioid Consumption

A key focus of these studies was to explore the medication's association with the overall use of other pain relief options. Research examined the Opioid Consumption of participants during the study period. Findings described patterns where the amount of supplemental opioid medication utilized by patients who received ketorolac was measured against those who did not, examining opioid consumption differences. Furthermore, studies monitored the time elapsed before patients needed additional pain relief, which is data relevant to short-term changes.

Study Duration, Special Populations, and Research Gaps

The primary study results are strictly limited to very short-term durations, with acute pain measurements typically assessed within the first 4 to 12 hours after a single dose. Because Teva-Ketorolac was studied for short-term use only, long-term effects are not fully established. There is limited information for long-term outcomes related to durability of response or functional recovery, as the study administration period is constrained to a maximum of five days. Research was evaluated in pediatric populations (children ge 2 years old) and older adults (ge 65 years old); however, data for certain groups remain insufficient. The evidence landscape highlights that research is still emerging regarding the dose associated with measured change in symptoms and functional recovery over weeks or months.

Key Studies & References

  1. Ketorolac tromethamine injection - DailyMed (NIH) - Prescribing Information (Confirmation of dosing, short-term duration, and pediatric/elderly cautions)
  2. Ketorolac: StatPearls [Internet] - NCBI Bookshelf (Review article covering indications, dosing in special populations, and safety limits for evidence synthesis)

Frequently Asked Questions (FAQ)

Common questions about Teva-Ketorolac (FAQ)


Q: If I miss a dose of the oral tablet, what should I do?

Official administration guidelines typically address how to handle a missed dose. If a dose is missed, official guidelines suggest taking the dose as soon as it's remembered. However, if it is already close to the time for the next scheduled dose, it may be recommended to skip the missed dose and resume the regular schedule. Doubling up on doses is generally advised against.


Q: Does Teva-Ketorolac work for chronic pain, or just acute pain?

Teva-Ketorolac is officially indicated only for the short-term management of moderately severe acute pain (pain that comes on suddenly and is typically short-lived). Regulatory documents state that this medicine should be used for a maximum of five days and is generally not indicated or recommended for use in treating chronic pain conditions.


Q: Does the oral tablet have to be taken with food?

Official product information suggests taking the oral tablet with food or an antacid. Taking the medicine with food is associated with supporting the protective barrier of the stomach lining. It is noted that taking the oral tablet with a high-fat meal may reduce and delay the peak amount of the drug absorbed into the body.


Q: What drugs should I avoid while taking this because of the bleeding risk?

The medicine is generally not recommended to be combined with several drug classes due to a potential increase in bleeding risk. These include Anticoagulants (blood thinners), Aspirin and other NSAIDs, and Selective Serotonin Reuptake Inhibitors (SSRIs). Please refer to the 'Interactions' section of the regulatory label for a complete list.


Q: How quickly does the injection start to relieve pain?

Regulatory documents indicate that when administered via injection, official data suggests that the onset of pain relief may occur within 30 minutes of the dose. The time to the maximum pain-relieving effect (peak analgesic effect) is typically observed between 1 and 2 hours after the injection.


Q: What is the difference between COX-1 and COX-2, and why does inhibiting both cause side effects?

Teva-Ketorolac is a non-selective COX inhibitor, meaning it affects both COX-1 and COX-2 enzymes. Regulatory documents indicate that COX-1 is associated with essential body functions, like protecting the stomach lining, while COX-2 is associated with pain and inflammation. The drug’s non-selective action on COX-1 is linked to the gastrointestinal side effect risk.


Q: What do I do if I have a serious allergic reaction to this medication?

Official warnings list hypersensitivity (severe allergy) as a condition where the medicine must not be used. If any signs of a serious allergic reaction occur, such as sudden difficulty breathing, swelling of the face or throat, or a widespread rash, it is critical to seek immediate emergency medical attention.

How should Teva-Ketorolac be stored and disposed of?

How to Store and Dispose of Teva-Ketorolac?

Teva-Ketorolac (ketorolac tromethamine) must be stored at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F). The oral tablets must be kept in a tightly closed container.

The injectable solution requires specific handling: it must be protected from light, retained in its carton until use, and must not be frozen. Unused portions of the injection must be discarded after use.

All forms of the medicine must be stored out of the sight and reach of children. Unused or expired Teva-Ketorolac must be disposed of according to local regulations. Medicine should not be thrown into household waste or flushed down the toilet.

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

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