Torasic

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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 Torasic

Property Description
Active ingredient Ketorolac tromethamine
Form Tablet, Solution for Injection, Ophthalmic Solution
Pharmacological class Nonsteroidal Anti-inflammatory Drug (NSAID)
General purpose Acute Pain Management
Origin Synthetic Compound

What Type of Medicine is Torasic?

Torasic is a medicinal product whose active ingredient is Ketorolac tromethamine, formally classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). This compound is a synthetic substance belonging to the arylalkanoic acid group. Pharmacological literature frequently classifies Ketorolac among the more potent agents in the NSAID class, distinguishing its functional profile toward intense analgesic relief. Ketorolac tromethamine is utilized across various pharmaceutical preparations. Clinically recognized for its rapid onset of action, this medication offers an established non-narcotic approach to managing significant discomfort. Torasic is manufactured strictly as a single active ingredient product.


What Forms of Ketorolac are Available?

The active ingredient Ketorolac tromethamine is prepared in multiple pharmaceutical forms to facilitate various routes of administration. These preparations include tablets for oral systemic administration, a sterile solution for injection for parenteral delivery, and an ophthalmic solution for topical use. This formulation flexibility allows medical practitioners to select the delivery method best suited for the patient’s needs. The composition involves the active drug combined with appropriate bases, such as solid excipients for the tablets or a sterile solution base for the injectable and ocular forms.


What is the General Purpose of Torasic?

The general purpose of Torasic is to provide powerful, effective relief for acute pain by targeting the body’s pain-signaling mechanisms. This high analgesic potency is achieved because Ketorolac functions as an inhibitor of the cyclooxygenase (COX) enzymes, thereby blocking the critical production of prostaglandins. As a non-narcotic agent, Ketorolac is recognized for its ability to effectively inhibit prostaglandin synthesis. Interrupting the synthesis of these mediators defines the drug's core utility in effective pain management, particularly in situations requiring control of discomfort that responds well to peripheral inhibition of inflammatory mediators.

What side effects are possible with Torasic?

Torasic (ketorolac) is a nonsteroidal anti-inflammatory drug (NSAID) with a significant safety profile, requiring strict limitations on use.

Serious and Clinically Significant Risks

The most serious risks are highlighted in mandatory regulatory Boxed Warnings and include:

  • Gastrointestinal Risk: The drug can cause life-threatening gastrointestinal (GI) events, including bleeding, ulceration, and perforation of the stomach or intestines, which may occur at any time without warning symptoms. The risk increases with higher doses and longer duration of use.
  • Cardiovascular Risk: NSAIDs may increase the 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.
  • Bleeding Risk: Torasic inhibits platelet function and is associated with an increased risk of significant bleeding, including postoperative wound hemorrhage.

Adverse Reaction Categories

Adverse reaction rates increase with higher doses and are classified by frequency. Common (1%–10% incidence) reactions often involve the GI system and include abdominal pain, dyspepsia (indigestion), nausea, constipation, diarrhea, dizziness, drowsiness, and headache (incidence >10%).

Other adverse reactions that have been documented include acute renal failure, hepatic failure, and serious hypersensitivity reactions (e.g., anaphylaxis, anaphylactoid reactions, and laryngeal edema), which are rare but require immediate attention.

Safety Restrictions and Limitations

Regulatory documents mandate that the total duration of use of Torasic, across all formulations, must not exceed five days due to the increased risk of serious adverse events with prolonged exposure. The drug is contraindicated in patients with active peptic ulcer disease, recent GI bleeding, advanced renal impairment, cerebrovascular bleeding, and for the treatment of peri-operative pain in the setting of coronary artery bypass graft (CABG) surgery.

Elderly patients are at a greater risk for serious GI and renal adverse events, and dosage adjustments are required. Use is contraindicated during labor and delivery due to potential adverse effects on fetal circulation.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory documents define the overdose profile for Ketorolac tromethamine based on the potential for serious clinical and organ manifestations. Overdose following acute exposure is typically associated with symptoms that may include abdominal pain, nausea, vomiting, lethargy, drowsiness, headache, and hyperventilation. However, severe outcomes documented in regulatory labeling include acute renal failure and gastrointestinal hemorrhage.

Immediate medical attention is mandated in the event of a suspected overdose or if severe symptoms develop. Official instructions require contacting a Poison Control Centre or emergency services immediately. Population-specific regulatory notes indicate that elderly patients and individuals with pre-existing renal impairment are at greater risk for serious adverse events and acute renal failure following an overdose, respectively.

Management procedures described in official documents are centered on symptomatic and supportive care, as no specific antidote is known for Ketorolac tromethamine. Supportive measures may include close observation and, if appropriate based on timing and amount ingested, considering the administration of activated charcoal.

Therapeutic Uses of Torasic

What Torasic Treats: Main Uses and Benefits

Ketorolac tromethamine is commonly used to help with the short-term management of moderately severe acute pain that requires supportive symptom management, and is applied across domains where additional symptomatic support is needed, as relevant. This medication is considered relevant in clinical settings that involve acute or unstable symptom patterns following major surgical procedures or acute trauma. It is relevant in conditions characterized by periods of heightened symptoms, such as discomfort linked to organ-specific functional stress, post-procedural recovery, or irritative states. The primary patient-oriented benefit is offering symptomatic relief that contributes to easing the overall symptom load during periods of heightened discomfort.

“The medication is generally applied when symptoms create noticeable physiological strain and short-term symptomatic assistance is needed.”

This approach provides support that helps ease the overall symptom burden and may assist with maintaining a sense of stability when symptoms are more noticeable.


Quick Fact: Relief for Intense, Acute Discomfort The medication is applied in addressing symptom clusters that become intense or disruptive, and it supports patients during episodes of heightened discomfort.

Regulatory References

  1. NIH DailyMed drug information

Eligibility and Restrictions for Use

Eligibility Profile: Who Can and Cannot Use Torasic (Ketorolac)

Torasic (ketorolac tromethamine) is a prescription nonsteroidal anti-inflammatory drug (NSAID) primarily indicated for adults for short-term pain management. Regulatory documents define eligibility through strict contraindications and population-specific restrictions based on the risk of serious adverse events.

Absolute Contraindications (Must Not Use)

Torasic is strictly contraindicated for patients with the following conditions or characteristics:

  • Active or history of Peptic Ulcer Disease or recent Gastrointestinal (GI) Bleeding/Perforation.
  • Advanced Renal Impairment or conditions leading to volume depletion.
  • Cerebrovascular Bleeding or other high-risk bleeding disorders.
  • Known Hypersensitivity to ketorolac, aspirin, or any other NSAID.
  • Treatment of peri-operative pain in the setting of Coronary Artery Bypass Graft (CABG) surgery.
  • Use during Labor, Delivery, or while Breastfeeding (Lactation).

Restricted/Not Recommended Use

  • Pediatric Patients: Use is not recommended as safety and efficacy have not been established.
  • Older Adults (Age ge 65 years): Require a reduced maximum daily dose due to increased sensitivity to adverse effects.
  • Low Body Weight: Patients weighing less than 50 kg require a reduced maximum daily dose.
  • Renal/Hepatic Impairment: Requires careful monitoring and dose adjustment; use is contraindicated if impairment is severe.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official interaction profile for Torasic (Ketorolac tromethamine) is defined by regulatory limits targeting the additive risk of bleeding and interference with renal clearance pathways.

Interaction Severity Classification Documented Interacting Substances
Formally Contraindicated Other NSAIDs/Aspirin, Warfarin, Heparin, Probenecid, Lithium salts, and Oxpentifylline (Pentoxifylline).
Clinically Significant SSRIs, Oral Corticosteroids, Methotrexate, Diuretics, ACE Inhibitors, and ARBs.

Official Regulatory Statements:

  • Prohibited Combinations: Co-administration with other NSAIDs, all anticoagulants, Probenecid, and Lithium is strictly prohibited. Probenecid significantly increases Ketorolac plasma exposure by interfering with its renal clearance.
  • Pharmacodynamic Risk: Combining with SSRIs or Oral Corticosteroids increases the documented risk of gastrointestinal bleeding. Co-administration with Diuretics, ACE Inhibitors, or ARBs can reduce their intended effects and elevate the risk of acute renal impairment.
  • Timing Restriction: The total combined duration of use of all Ketorolac formulations must not exceed 5 days due to the potential for increasing the frequency and severity of adverse reactions. The injectable solution is also contraindicated for neuraxial administration.
  • Substance Interaction: The use of alcohol is documented to increase the risk of gastric irritation and gastrointestinal bleeding. The interaction risk with blood pressure medicines is heightened in elderly or volume-depleted patients.

The drug's official regulatory documentation establishes that its interaction structure requires strict adherence to these prohibitions and limits to mitigate risks related to systemic exposure and additive pharmacodynamic effects.

Mechanism of Action

Torasic (Ketorolac tromethamine) functions primarily by engaging the Cyclooxygenase (COX) enzyme system, thereby modulating a key physiological cascade involved in the generation of key inflammatory and nociceptive mediators.

The molecule acts as a non-selective, competitive inhibitor of both the COX-1 and COX-2 enzyme isoforms. This molecular action blocks the conversion of arachidonic acid into prostaglandins (PGs), which are critical local mediators. This molecular interference modifies early steps in the Arachidonic Acid Cascade, leading directly to the physiological effect of reduced inflammatory mediator availability.

By suppressing the synthesis of PGs at the site of injury, the drug dampens the chemicals that normally enhance the sensitivity of peripheral nociceptors (pain-sensing nerve endings). This reduction in nociceptor sensitization limits the transmission of nociceptive signals, resulting in the modulation of the overall signaling dynamics. The kinetics of the drug's interaction and its high affinity for the enzyme active site facilitate rapid systemic enzyme occupancy.

However, the non-selective nature of the mechanism also includes the inhibition of COX-1 pathways that regulate constitutive physiological processes, such as the production of protective PGs in the gastrointestinal mucosa. Furthermore, this inhibition affects the synthesis of Thromboxane A2 ( TXA2) in platelets, influencing the aggregation mechanism.

Dosage and Administration Information

Ketorolac tromethamine (“Torasic”) is approved for systemic use via Intramuscular (IM) injection, Intravenous (IV) bolus injection, Oral (PO) tablets, and Intranasal spray routes. A crucial constraint on use is the maximum 5-day total duration for all systemic routes combined. Treatment is typically initiated with the parenteral route, with the 10 mg oral tablet formulation only indicated as continuation therapy and never as an initial dose.

The frequency pattern for multi-dose treatment is based on fixed intervals, most commonly every 4 to 6 hours, subject to strict maximum daily limits.

Patient Population Single Dose (IM/IV) Max Daily Dose (IM/IV)
Normal Adult (<65 yrs) 30 mg (IV) or 60 mg (IM) 120 mg/day
Reduced Dose (≥ 65 yrs, <50 kg, or Impaired) 15 mg (IV) or 30 mg (IM) 60 mg/day

Population-specific dose capping ensures that patients 65 years or older, or those with low body weight or renal impairment, receive a maximum daily dose that is half the dose permitted for normal adult patients. In terms of procedural conditions, the IV bolus injection must be administered over no less than 15 seconds. The injection solution is also restricted from being mixed with certain other medications to avoid precipitation. This two-phase procedural structure—parenteral initiation followed by a brief oral completion—defines the standard administration protocol.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Torasic

The following summary describes the types of research that have been conducted on Torasic (Ketorolac tromethamine). It outlines the focus of these studies, what they observed, and what questions about the drug still require more research. This information is purely descriptive and should not be used for self-treatment decisions.


Evidence for Short-Term Management of Moderately Severe Acute Pain

Torasic was studied for the management of acute pain that requires short-term analgesic support, often in settings comparable to those following surgical procedures. The core research in this area consists mainly of Randomized Controlled Trials (RCTs) and Systematic Reviews. These studies primarily focused on adult patients recovering from operations, such as orthopedic or abdominal surgery.

Researchers monitored several key factors, including how the patient’s reported level of physical discomfort measured over defined time intervals. Another central focus of the research was measuring the total amount of supplemental opioid medication that patients utilized during the study period. Some trials described patterns in which the utilization of opioids was lower in the groups that received Ketorolac, demonstrating patterns related to the amount of supplemental pain medication utilized.


Evidence for Pain Associated with Specific Acute Conditions

Torasic research examined specific conditions. Comparative Efficacy Studies explored the drug in patients with acute episodes, such as discomfort linked to kidney stones (renal colic) and intense migraine headaches.

These studies focused on acute measurement, often tracking patient-reported discomfort at short intervals (like 30 minutes, 1 hour, and 2 hours) to determine the time points at which outcomes related to physical discomfort were first measured. Findings were mixed when comparing different forms of the drug (e.g., intravenous versus intramuscular), and evidence quality varies across studies.


What Remains Unstudied or Uncertain about Torasic

While there is a consistent body of evidence for the drug's short-term role, several research limitations exist. The most significant is the strict follow-up duration limitation (le 5 days), meaning that long-term effects are not fully established.

Furthermore, although many studies explored short-term changes, the sample sizes were modest in some specific subgroup analyses. This means subgroup findings are uncertain and data for certain groups remain insufficient. For instance, there are few data available from dedicated research exploring the drug's use in the pediatric population ( age < 16), and the drug is not approved for use in children.

Key Studies & References

  1. Parenteral ketorolac: opiate-sparing effect and lack of cardiorespiratory depression in the perioperative patient
  2. Safety and Efficacy of Low-Dose Versus High-Dose Parenteral Ketorolac for Acute Pain Relief in Patients 65 Years and Older in the Emergency Department

Frequently Asked Questions (FAQ)

Common questions about Torasic (FAQ)


Q: What is the lowest starting dose for Ketorolac?

Official regulatory documents indicate that the lowest recommended dose for the oral tablet is 10 mg. This 10 mg tablet formulation is generally indicated for use as continuation therapy following initial treatment with the injectable form. The single dose for the initial treatment phase administered by injection (IV or IM) is 15 mg or 30 mg, depending on the patient's specific profile.


Q: What is the correct storage temperature for Ketorolac?

According to the official product information, Torasic must be kept at a controlled room temperature, which is generally between 20 C and 25 C (68 F and 77 F). The medication must be protected from light, and the injection solution is required not to be frozen. These conditions are necessary to maintain the product's quality.


Q: What is the maximum dose of Ketorolac for the elderly?

Regulatory documents establish that patients who are 65 years and older have a strictly reduced maximum daily dose of 60 mg/day. This restricted dose is required for patients 65 years and older, as well as for those with low body weight or impaired kidney function.


Q: Can I use Ketorolac while trying to get pregnant (fertility risk)?

Regulatory documents for Nonsteroidal Anti-inflammatory Drugs (NSAIDs) generally include warnings regarding potential adverse effects on female fertility, although specific data for Ketorolac can vary. Official documentation indicates that the medication is also contraindicated for use during labor and delivery.

How should Torasic be stored and disposed of?

The storage and disposal of Torasic (ketorolac tromethamine) must adhere strictly to regulatory requirements to ensure the product's quality and safety.

Storage Conditions

Torasic is required to be stored at Controlled Room Temperature, typically 20 C to 25 C (68 F to 77 F). The medication must be protected from light; the injectable solution is to be kept in its original carton until use, and the container should be kept tightly closed. The injection solution must not be frozen.

Child Safety and Disposal

All forms of the medicine must be stored out of the sight and reach of children and secured in an 'up and away' location. For disposal, unused or expired Torasic should be taken to an authorized drug take-back program. If one is unavailable, specific household disposal guidelines detailed by governmental sources must be followed.

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

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