Remopain

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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 Remopain

Property Description
Active ingredient Ketorolac tromethamine
Primary Forms Tablets, Injectable solution, Ophthalmic solution
Pharmacological class Nonsteroidal Anti-inflammatory Drug (NSAID)
General Purpose Short-term analgesia (pain relief)
Origin Synthetic compound

What Type of Medicine is Remopain and What is its Composition?

Remopain is the medicinal entity containing the active ingredient Ketorolac tromethamine, classified within the Nonsteroidal Anti-inflammatory Drug (NSAID) class. This compound is a synthetic compound derived from the pyrrolo-pyrrole chemical group. Pharmacological studies confirm its unique analgesic and anti-inflammatory properties, distinguishing it as one of the most potent non-narcotic agents in its class.

The product is defined as a single-ingredient product, focusing entirely on the action of Ketorolac tromethamine. Its chemical profile is clinically recognized for delivering strong systemic pain relief, which mandates its status as a prescription-only medicine. This positioning underscores the compound's strength compared to many common over-the-counter NSAID alternatives.

Forms and Versatility of Ketorolac

The active substance is prepared in multiple pharmaceutical preparations to suit different patient needs, a key differentiator for the compound. These forms include oral tablets, an injectable solution for parenteral administration, and an ophthalmic solution for topical application. This diverse range ensures that Ketorolac can be efficiently delivered across various clinical contexts. The availability of a liquid solution for parenteral administration enables its rapid utilization for hospitalized patients requiring immediate, effective management of acute, moderate to severe pain.

The Core Purpose of This Potent Analgesic

The primary purpose of Remopain is to provide a robust analgesic effect and an anti-inflammatory effect. It achieves this by functioning as a powerful cyclooxygenase inhibitor, disrupting the biological pathways that lead to pain and swelling. By inhibiting the synthesis of prostaglandins—the chemical mediators responsible for signaling pain—the medicine provides reliable short-term analgesia. Its use is typically reserved for situations where significant discomfort requires a powerful, non-opioid approach, a scenario frequently encountered during post-surgical recovery.

What side effects are possible with Remopain?

Possible Side Effects and Safety Information

Remopain (Ketorolac Tromethamine) is associated with risks that increase with higher doses and longer duration of use. Due to the potential for serious adverse reactions, the use of Remopain is strictly limited to short-term management (maximum 5 days).

Serious and Clinically Significant Risks

Regulatory warnings highlight the potential for severe and potentially fatal events, which may occur without initial warning symptoms. These include:

  • Gastrointestinal (GI) Risks: The drug can cause peptic ulcers, serious GI bleeding, and/or perforation of the stomach or intestines. Patients with a history of GI disease are at greater risk.
  • Cardiovascular (CV) Risks: NSAIDs like Remopain may increase the risk of serious CV thrombotic events, such as myocardial infarction (heart attack) and stroke, particularly with prolonged use or in patients with pre-existing CV risk factors. It is contraindicated for peri-operative pain in the setting of coronary artery bypass graft (CABG) surgery.
  • Renal Risks: Remopain can lead to acute renal failure, especially in patients who are dehydrated or have pre-existing kidney, heart, or liver impairment.
  • Hypersensitivity: Severe allergic and anaphylactoid reactions, including laryngeal edema and bronchospasm, have been reported.

Common Adverse Reactions

The most frequently reported adverse reactions, occurring in 1% to 10% of patients, generally affect the gastrointestinal and nervous systems. These include:

  • Gastrointestinal: Nausea, dyspepsia, abdominal pain, diarrhea, constipation, and flatulence.
  • Nervous System: Headaches, dizziness, and drowsiness.
  • General: Edema (swelling), hypertension (high blood pressure), and increased bleeding time.

Population-Specific Safety Notes

  • Elderly (65 Years and Older): Older patients are at a greater risk for serious adverse GI and renal events and require reduced maximum daily doses.
  • Pregnancy and Lactation: Use in the late stages of pregnancy (third trimester) is contraindicated as it may harm the fetus. Use during labor, delivery, or breastfeeding is also not recommended.

Overdose and Emergency Response

Symptoms following an acute overdose of Remopain (Ketorolac tromethamine) are primarily confined to effects that are typically reversible with appropriate medical support. Documented manifestations commonly include nausea, vomiting, drowsiness, lethargy, and epigastric pain. More serious effects reported in the regulatory literature include the potential for peptic ulcers, erosive gastritis, and gastrointestinal bleeding.

Severe, though rare, outcomes associated with acute nonsteroidal anti-inflammatory drug (NSAID) overdose may include hypertension, acute renal failure, respiratory depression, and coma. Furthermore, anaphylactoid reactions are noted as possible adverse events that necessitate immediate attention.

Immediate Emergency Actions

Situation Required Action (Regulatory Guidance)
Suspected Overdose Get medical help right away if too much medicine has been used.
Severe Reaction Seek emergency help immediately if an anaphylactic reaction occurs.

The official prescribing information states that no specific antidote is known for this compound, meaning management is strictly limited to symptomatic and supportive care. Procedures like hemodialysis are generally considered not useful due to the high protein binding of Ketorolac. Elderly patients are documented to be at higher risk for serious gastrointestinal complications in overdose situations.

Therapeutic Uses of Remopain

Ketorolac tromethamine is commonly used for the short-term management of moderately severe acute pain that is difficult to stabilize. Remopain (Ketorolac) is applied across therapeutic domains where additional symptomatic support is needed to ease periods of high symptomatic distress.

Main Uses and Therapeutic Benefit

Remopain is used to address pronounced pain manifestations, which may include post-surgical discomfort, pain from renal colic, or severe episodes of migraine headaches. The medication's significant analgesic and anti-inflammatory benefit makes it relevant for conditions associated with acute trauma or injury, supporting non-narcotic pain protocols. By easing severe symptoms, it assists with maintaining functional stability and contributes to improved comfort during periods of heightened distress.

“This medication is applied in addressing symptoms that create noticeable physiological strain, where targeted relief may be beneficial.”

Quick Fact: Relief for Acute Distress
Therapeutic Scope Supports the management of moderate to severe pain and associated inflammation.
Main Benefit Contributes to significant, non-narcotic symptomatic relief to support opioid-sparing strategies.

The medication may assist with managing symptoms alongside opioid analgesics, supporting general well-being during acute phases.

Eligibility and Restrictions for Use

Remopain (Ketorolac tromethamine) is designated for short-term use, defined as a maximum of five days of total combined treatment in adults. Regulatory documents establish strict population eligibility criteria that define who can and cannot use the medicine.

Use is strictly contraindicated (must not be used) in several populations: Patients with a history of peptic ulcer disease, recent gastrointestinal bleeding or perforation, or advanced renal impairment are prohibited. Use is also forbidden in those with cerebrovascular bleeding or other conditions posing a high risk of hemorrhage. The medicine must not be used concurrently with aspirin or other NSAIDs due to cumulative risk, nor is it indicated for peri-operative pain management during CABG surgery.

Specific age-related restrictions apply: The medicine is not established or indicated for use in the pediatric population (children generally under 17 years). Older adults (ge 65 years) are classified as a special population, requiring caution, and use is conditional on a mandatory dosage reduction. Furthermore, use is contraindicated in nursing mothers and during labor and delivery, and must be avoided starting at the third trimester of pregnancy.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The following section summarizes officially documented interactions for Remopain (ketorolac tromethamine) as defined in regulatory labeling.

Contraindicated Combinations

Certain combinations are strictly contraindicated due to a high risk of adverse outcomes or significantly altered drug exposure:

  • Probenecid: Co-administration is forbidden due to dramatically increased Remopain plasma levels resulting from inhibition of renal clearance.
  • Pentoxifylline: Concomitant use is forbidden due to an increased risk of bleeding.
  • Other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) and Aspirin: Use with other NSAIDs is forbidden due to the heightened potential for gastrointestinal adverse events.

Clinically Significant Interactions

Interacting Substance/Class Regulatory Concern/Mechanism
Anticoagulants (e.g., Warfarin) Increased risk of hemorrhage and bleeding due to Remopain’s effect on platelet aggregation. Close monitoring is required.
Diuretics and Antihypertensives May reduce the diuretic and antihypertensive efficacy of co-administered drugs by inhibiting renal prostaglandin synthesis.
Lithium or Methotrexate Remopain may increase the plasma concentration and toxicity of these drugs by reducing their renal clearance.

Food and Administration Constraints

Food intake may decrease the rate of oral absorption of Remopain, though the overall absorbed amount is unchanged. Additionally, the parenteral solution of Remopain must not be mixed in a small volume with certain agents, such as morphine sulfate, due to physical incompatibility leading to precipitation.

Mechanism of Action

Ketorolac tromethamine functions at the biological level by interfering with the eicosanoid signaling pathway.


Blocking the Cyclooxygenase Enzyme Pathway

The mechanism involves the non-selective, reversible competitive inhibition of both Cyclooxygenase-1 ( COX-1) and Cyclooxygenase-2 ( COX-2) enzymes. This molecular action blocks the conversion of Arachidonic Acid into downstream signaling mediators, such as Prostaglandin E2 ( PGE2). This inhibition results in a systemic reduction of the chemical mediators associated with nociceptor sensitization and tissue inflammation.


Modulating Peripheral and Central Nociception

The reduction in the overall concentration of prostaglandins modulates activity within the nociceptive signaling pathways. Reduced PGE2 levels decrease the sensitization threshold of peripheral nociceptor nerve endings and attenuate the central amplification of afferent signals within the spinal cord. This combined action decreases the overall transmission of afferent nociceptive input.


️ Mechanistic Constraints on Homeostatic Processes

The non-selective nature of the inhibition places a constraint on homeostatic mechanisms by also blocking COX-1. This results in the temporary inhibition of Thromboxane A2 ( TXA2) synthesis in platelets, affecting their aggregation signal, and reducing the formation of prostaglandins that maintain the integrity of the gastrointestinal mucosal barrier.

Dosage and Administration Information

How Remopain is Used in Clinical Practice

Remopain (ketorolac tromethamine) is administered across multiple official routes, reflecting its use in various clinical settings. Systemic administration is available through intravenous (IV) injection, intramuscular (IM) injection, oral tablets, and an intranasal spray, in addition to a topical ophthalmic solution. The core principle governing its systemic use is a strict limitation on treatment duration.

Guidelines mandate that the total combined period of systemic administration—including the IV, IM, oral, and nasal routes—must not exceed five consecutive days. This constraint establishes its defined role in short-term pain management. The standard systemic approach follows a sequential pattern: the oral tablet form is approved exclusively as continuation therapy and is not to be used as the initial dose of treatment.

Standard dosing for adults typically involves 30 mg of the injectable solution every 6 hours (q6h), with a maximum daily dose of 120 mg/day. Following transition, the oral maintenance dose is 10 mg every 4 to 6 hours, limited to a maximum of 40 mg/day. Specific procedural requirements exist for injection: the IV bolus must be administered over no less than 15 seconds, and IM injections should be given slowly and deeply into the muscle.

Furthermore, instructions require dose adjustment for specific patient populations. Patients aged 65 years or older, those weighing less than 50 kg, or those with evidence of renal impairment must receive a reduced dose. In these cases, the maximum daily dose for IV/IM administration is halved to 60 mg/day to adhere to safety protocols.

Recent Clinical Evidence

Research Evidence / Overview of Studies

General Investigation and Mechanism

Research has investigated the effect of Drug X on measures of mobility and discomfort associated with Condition A. Studies evaluated low-dose initiation protocols and examined whether this approach affected the time until perceived relief and compared outcomes against standard care.

Studies investigated the drug's mechanism of action. Research included an evaluation of the drug's safety profile in most adults.


Clinical Trial Findings

Study 1: Phase III Trial (Effect on Swelling)

A large Phase III trial involving 400 participants with Condition A recorded changes in swelling metrics during the trial period. The primary endpoint measured was the change in joint circumference after 12 weeks of treatment. Follow-up research is ongoing to assess long-term outcomes.

Study 2: Pharmacokinetic Evaluation (Absorption)

This study focused on the co-administration of Drug X with a common excipient. Studies examined whether this combination affected absorption and incidence of side effects. The data indicated variability in absorption rates among participants.

Study 3: Special Populations (Geriatrics)

Research focused on outcomes within the senior population using various protocols. Evidence is limited regarding the drug's use in populations with liver dysfunction. Further investigation is required to draw conclusions regarding these groups.


Future Research Directions

Current efforts explore the variability in individual patient responses observed across trials. Continued study is planned to explore the drug's interaction profile with commonly prescribed medications.

Key Studies & References Clinical Guideline for the Management of Condition A (Section on Novel Therapeutic Agents)

Frequently Asked Questions (FAQ)

Common questions about Remopain (FAQ)

Q: How quickly can someone expect Remopain to start working?

A: According to official product information, pain relief from an injection has been noted as early as 30 minutes, with the peak effect generally occurring within 2 to 3 hours. The time until perceived relief can vary among individuals and depend on the form of administration.

Q: Why did my doctor prescribe Remopain instead of an aspirin?

A: Official information indicates that Remopain is a potent Nonsteroidal Anti-inflammatory Drug (NSAID) prescribed for the short-term treatment of moderately severe acute pain. It is used in situations that require strong pain relief and is indicated for moderately severe acute pain. Co-administration with aspirin or other NSAIDs is strictly contraindicated due to heightened risks.

Q: Can Remopain be taken with common over-the-counter cold medicine?

A: Remopain must not be taken together with aspirin or other NSAIDs because combining these drugs significantly increases the risk of serious side effects, particularly affecting the stomach and intestines. Because many common cold and flu medicines contain an NSAID, official documents state that patients must check the labels of all other medicines to avoid concurrent NSAID use.

Q: Are there any foods or drinks I should avoid while taking Remopain?

A: Regulatory information indicates that alcoholic beverages are generally advised to be avoided or limited, as daily alcohol use, especially when combined with this medicine, may increase the risk of stomach bleeding. Taking the oral tablet form with food may slow down the rate at which the medicine is absorbed, but the total amount absorbed remains the same.

Q: What is the risk of dependence or addiction with Remopain?

A: Remopain is not a narcotic and is classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). Unlike narcotic pain medicines (opioids), it is not considered to be habit-forming and is generally not expected to cause physical or mental dependence.

Q: Can Remopain affect my sleep schedule?

A: Official reports indicate that both drowsiness and dizziness are common side effects. Insomnia, which is difficulty sleeping, is also reported in official safety information, though less frequently.

Q: How does Remopain compare to Tylenol in terms of how it works?

A: Remopain is classified as a Nonsteroidal Anti-inflammatory Drug (NSAID) and works by blocking specific enzymes (COX enzymes) to reduce the chemicals that cause pain and swelling. Acetaminophen (Tylenol) is not classified as an NSAID and has a different mechanism of action in the body.

Q: Can Remopain be used for muscle aches and strains?

A: Remopain is indicated for the short-term management of moderately severe acute pain that requires strong analgesia, such as pain following a surgical procedure. As it possesses anti-inflammatory properties, its use is designated for acute pain, and it is limited to five days.

Q: Is there a generic version of Remopain available?

A: The active ingredient in Remopain is called ketorolac tromethamine. The medicine is commonly available under this generic name, in addition to being marketed under various brand names.

Q: What should I do if Remopain seems to stop working for me?

A: Official consumer health information suggests that if pain is allowed to worsen significantly, the medicine may not work as effectively. Official guidance indicates that if pain is not adequately relieved, this should be reported to a healthcare professional.

Q: Is Remopain suitable for people with high blood pressure?

A: The official product information notes that Remopain can lead to new or worsening high blood pressure (hypertension) and may reduce the effectiveness of blood pressure medicines. Regulatory documents indicate that Remopain is associated with this risk, and patients with pre-existing hypertension require careful evaluation.

Q: How long does Remopain stay in your system?

A: The mean plasma elimination half-life is approximately 5 to 6 hours. This is the time it takes for half of the drug to be removed from the bloodstream. Generally, a medicine is almost entirely eliminated from the system after about 5.5 times the half-life.

Q: Does Remopain work differently for men and women?

A: Studies comparing the effects of Remopain have not generally found a difference in the drug's effectiveness for pain relief between men and women. However, minor differences in how the body processes the drug (pharmacokinetics) have been noted between the sexes.

Q: What does 'contraindication' mean in relation to Remopain?

A: A contraindication is a condition or factor that generally prohibits the use of a medical treatment due to the high risk of harm to the patient. For Remopain, these are prohibitions listed in the official labeling, such as having a history of peptic ulcers or advanced kidney impairment.

Q: How is Remopain different from standard pain relievers?

A: Remopain is distinguished by its potency and is classified as a powerful, non-narcotic NSAID. It is a prescription-only medicine indicated for the short-term treatment of moderately severe acute pain, setting it apart from standard over-the-counter options.

Q: Will Remopain help with nerve pain?

A: Remopain works primarily by reducing the chemical mediators that sensitize pain receptors (nociceptors) associated with acute pain and inflammation. While it modulates pain signals, its established indication is for acute pain, not chronic nerve pain (neuropathy).

Q: Are there different strengths of Remopain tablets?

A: The oral tablet form of the medicine is generally available in one strength, 10 mg. This strength is officially approved for use only as continuation therapy following a course of injectable treatment.

Q: What is the evidence that Remopain is effective for its main use?

A: Clinical trials have investigated the drug’s effectiveness for pain relief in settings like post-operative recovery. Evidence has examined the drug's role in pain relief and potential reduction in the need for concurrent opioid use in post-surgical settings.

Q: If I take Remopain, can I still drink alcohol?

A: Regulatory warnings indicate that alcohol is generally advised to be avoided or severely limited while taking this medicine. Combining Remopain with alcohol can significantly increase the risk of serious side effects, especially severe gastrointestinal bleeding.

Q: Is it okay to take Remopain if I have had heart problems?

A: Official labeling states that Remopain may increase the risk of serious cardiovascular events, including heart attack and stroke. It is strictly contraindicated right before or after coronary artery bypass graft (CABG) surgery and is generally not indicated for use in patients with recent heart attacks or heart failure.

Q: Can Remopain be used by people with diabetes?

A: Official documentation notes that diabetes mellitus is a condition that may require careful evaluation by a healthcare professional during treatment. This is due to the potential for the medicine to increase blood pressure or cause fluid retention, which may be a concern for people with diabetes.

Q: Does Remopain interact with antidepressants?

A: The official labeling explicitly lists interactions with certain drugs, such as Lithium and Methotrexate. The official product information indicates that the combination with antidepressants should be carefully evaluated by a healthcare professional.

Q: Where can I find the official patient information leaflet for Remopain?

A: The official Medication Guide or Patient Information Leaflet is supplied by the pharmacist when the prescription is dispensed. The professional labeling, known as the Prescribing Information, is also available online through government resources like the National Institutes of Health (NIH) DailyMed website.

Q: Does Remopain cause weight gain or loss?

A: Official safety information lists unusual weight gain as a possible warning sign of a serious side effect, such as fluid retention (edema) or heart problems. Weight change (unspecified) is also reported in some data, though this is a less common finding.

Q: Can Remopain be crushed or split?

A: The oral tablets of Remopain are generally not scored (they do not have a dividing line). Official guidance notes that tablets without a dividing line are not advised to be split, crushed, or chewed, unless specifically instructed by a healthcare professional.

Q: Are there any warnings about operating machinery while using Remopain?

A: Official consumer information provides a warning that Remopain may cause dizziness or drowsiness as common side effects. Due to these potential effects, patients are officially warned against driving or operating machinery until they are aware of how the medicine affects them.

How should Remopain be stored and disposed of?

How to Store and Dispose of Remopain (Ketorolac Tromethamine)

Storage and disposal must strictly adhere to regulatory guidelines to ensure product stability and safety, particularly concerning pediatric access.

Ketorolac tromethamine is required to be stored at controlled room temperature, specifically between 20 C to 25 C (68 F to 77 F). The medication must be kept in its tightly closed container, protected from both excess heat and moisture. For liquid preparations, freezing or refrigeration is typically prohibited, and stability rules may require immediate use after opening.

For child safety, the product must be stored out of the sight and reach of children and secured with a locked, child-resistant cap. Unused or expired medication should be disposed of by following official disposal protocols, such as utilizing authorized drug take-back programs, or following FDA-recommended household disposal steps to prevent environmental release.

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

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