Prodol

Quick links to important sections

Medically reviewed

Laura Arias

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 Prodol

Quick Facts

Property Description
Active ingredient Etodolac
Form Tablets, Capsules, Extended-release formulations (Oral)
Pharmacological class Nonsteroidal Anti-inflammatory Drug (NSAID)
Common use Symptomatic relief of pain, inflammation, and fever
Origin Synthetic (Acetic acid derivative)

What is Prodol (Etodolac) and Its Pharmacological Identity?

Prodol is a synthetic, single-ingredient pharmaceutical preparation available by prescription, whose active substance is Etodolac. Chemically, Etodolac is defined as an acetic acid derivative, which places the medicine within the high-level pharmacological category of Nonsteroidal Anti-inflammatory Drugs (NSAIDs). This compound is manufactured for oral administration, typically supplied in standard tablets, film-coated tablets, or specialized capsules.

Pharmacological studies have consistently supported the classification of Etodolac as an NSAID, confirming its role as a compound that interferes with specific biological processes responsible for discomfort. The formulation itself consists of Etodolac combined with the necessary solid pharmaceutical excipients to ensure the stability and integrity of the final oral dosage form.

Understanding the General Purpose of Prodol

The general purpose of Prodol is to provide symptomatic relief by exhibiting analgesic, anti-inflammatory, and antipyretic activities, which is clinically recognized for mitigating generalized inflammatory responses. This triple function is achieved by inhibiting the synthesis of prostaglandins, which are key localized biochemical messengers that mediate the body's responses to pain, inflammation, and fever.

Etodolac is further differentiated by its mechanism as a preferential inhibitor of the COX-2 enzyme over the COX-1 enzyme, which gives it a distinct biochemical profile within the broader NSAID group. This specialized mechanism means the medicine is specifically designed to interfere with the chemical pathway causing discomfort, ultimately resulting in the mitigation of generalized inflammatory responses and pain. The availability of both immediate-release and extended-release formulations ensures the drug can be delivered to maintain this general symptomatic relief.

What side effects are possible with Prodol?

Possible Side Effects and Safety Information

Adverse Reaction Profile

Prodol's adverse reaction profile encompasses effects primarily affecting the gastrointestinal and nervous systems. Common reactions typically reported include nausea, constipation, vomiting, headache, dizziness, insomnia, and skin rash. These effects are generally mild and transient.

Serious Adverse Reactions and Safety Concerns

Regulatory documentation highlights the risk of severe hepatotoxicity (liver damage), particularly with overdose or chronic high-dose use, and is a key safety concern. Other serious adverse events documented include kidney injury, severe cutaneous reactions like Stevens-Johnson syndrome, and allergic/anaphylactic reactions which may manifest as swelling, difficulty breathing, or rash. For the combination product containing an opioid, additional serious risks are noted, such as respiratory depression (slow or shallow breathing) and the potential for dependence or addiction with long-term use.

Safety Restrictions and Population-Specific Cautions

Prodol is contraindicated in patients with a known hypersensitivity to its components and in those with severe liver disease or severe kidney disease. Caution is advised, and dose adjustment may be necessary, for patients with moderate liver or kidney impairment, the elderly, or those with chronic malnutrition or alcohol abuse. The concurrent consumption of alcohol is generally considered unsafe due to the significantly increased risk of liver damage. Use during pregnancy and breastfeeding should be done under strict medical guidance due to limited data and potential risks to the fetus or infant; it is generally recommended to use the lowest effective dose for the shortest duration.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory documentation for Prodol (Etodolac) lists specific clinical signs and manifestations of overdose. These typically include vomiting, upper stomach pain, gastrointestinal bleeding, and CNS effects such as drowsiness, headache, dizziness, and tinnitus.


Severe Outcomes and Emergency Action

Property Official Regulatory Statement
Severe Outcomes Manifestations may escalate to life-threatening events, including coma, convulsive fitting (seizures), acute renal failure, and hepatic failure.
Help-Seeking Requirements Seek medical attention immediately if an overdose is suspected. Contact a regional poison control centre for management guidance.
Antidote Status No specific antidote is known or available.

The overdose profile, emphasizing these high-risk outcomes, mandates that individuals seek immediate medical attention. Because no specific antidote is documented, management is primarily symptomatic and supportive care. This involves procedures like gastric lavage and activated charcoal to prevent further absorption, especially if the ingestion was large or occurred recently. The regulatory information notes that elderly patients are at an increased risk of serious adverse consequences in NSAID overdose situations.

Therapeutic Uses of Prodol

What Prodol Treats: Main Uses and Benefits

Prodol (Etodolac) is used for short-term symptom management, playing a role in addressing symptoms related to inflammatory or irritative states. It is indicated for managing the signs and symptoms of chronic arthritic diseases, including Osteoarthritis (OA), Rheumatoid Arthritis (RA), and Juvenile Idiopathic Arthritis (JIA).

The medication is applicable within clinical settings involving acute or disruptive symptom patterns, and is used for managing symptoms such as pain, inflammation, and fever. It is also relevant when conditions involve episodic or fluctuating manifestations, such as those related to tendonitis, bursitis, or extra-articular rheumatism. The therapeutic benefit contributes to easing the overall symptom load and helps improve day-to-day comfort during symptomatic periods.

“The benefit is relevant for easing distress and assists with maintaining functional stability when symptoms are more noticeable.”

Relevant for Easing Symptoms Related to Joint Discomfort

Regulatory References

  1. DailyMed (NIH/NLM) Drug Label for Etodolac

Eligibility and Restrictions for Use

Eligibility and Contraindications for Prodol

Official regulatory documents define the eligible patient population for Prodol, as well as specific groups who must not use the medicine or for whom use is restricted.

Eligibility Status Populations Regulatory Basis
Generally Allowed Adults and adolescents ge12 years who have no official contraindications or high-risk conditions. Established efficacy and safety in this age group
Use Contraindicated Patients with a known hypersensitivity (allergy) to Prodol or any of its excipients. Documented risk of severe allergic reaction
Use Contraindicated Patients with acute hepatic failure or a history of severe allergic reaction (e.g., anaphylaxis). High and unacceptable risk of serious adverse outcomes
Use Restricted Patients with severe hepatic impairment or severe renal impairment; use in pregnancy and lactation. Conditional use requiring specialist medical consultation
Age Restriction Infants and children younger than 12 years (for some formulations) or below the officially established pediatric minimum age. Safety and effectiveness not established or contraindication for pediatric use

Official prescribing information states that use is contraindicated in patients with a prior history of a severe allergic reaction to the drug or any of its components. Furthermore, the medicine is formally contraindicated in patients with certain severe co-existing conditions, such as acute hepatic failure, due to increased risk. The drug is generally intended for adults and adolescents ge12 years, with an explicit age restriction for infants and younger children. For patient groups with severe liver or kidney impairment, or for those who are pregnant or breastfeeding, the use is not recommended or requires specific caution and medical review as documented in the Use in Specific Populations section.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The regulatory profile for Prodol (Etodolac) documents interactions based primarily on pharmacodynamic synergy and altered drug clearance. The product is formally contraindicated for treating peri-operative pain in the setting of Coronary Artery Bypass Graft (CABG) surgery, as stated in prescribing information. Co-administration with other nonsteroidal anti-inflammatory drugs (NSAIDs), including aspirin, is not generally recommended due to the potential for increased adverse effects.

Documented Pharmacodynamic Interactions

Co-administered Agent Official Interaction Outcome
Anticoagulants (e.g., Warfarin) Synergistic increase in the risk of serious gastrointestinal bleeding.
ACE-inhibitors / Diuretics Diminished antihypertensive or natriuretic effect; increased risk of renal deterioration.
SSRIs / Oral Corticosteroids Increased risk of gastrointestinal ulceration or bleeding.

Exposure and Clearance Alterations

Etodolac affects the clearance of several agents, which can lead to elevated plasma concentrations:

  • Lithium: Reduced renal lithium clearance, which can lead to elevated plasma lithium levels.
  • Cyclosporine / Digoxin: Changes in drug elimination may lead to elevated serum levels of these drugs and increased toxicity.
  • Phenylbutazone significantly increases the free fraction of Etodolac, and co-administration is not recommended.
  • Food reduces the peak plasma concentration ( Cmax) of immediate-release Etodolac by approximately one-half.

Timing Rule: The regulatory label specifies that Etodolac should not be used for 8–12 days following administration of Mifepristone.

Mechanism of Action

How Prodol Works

The action of Prodol (Etodolac) is defined by its highly specific engagement with key biological processes, directly influencing physiological pathways that mediate inflammation and thermoregulation. The entire mechanism is based on molecular interference within the Prostaglandin biosynthesis pathway.


Molecular Mechanism: Preferential COX-2 Inhibition

Prodol acts as a preferential inhibitor of the Cyclooxygenase-2 (COX-2) enzyme, which is the primary molecular target upregulated during physiological stress. By competitively binding to the active site of the enzyme, the drug blocks the conversion of the substrate Arachidonic acid into various Prostaglandins . This foundational action restricts the production of key local mediators that are responsible for amplifying inflammatory and nociceptive signaling.


Central and Peripheral Pathway Modulation

The drug modulates physiological responses across two systems: the peripheral nociceptive pathways and the central thermoregulatory center in the hypothalamus. At the site of injury, reduced Prostaglandin levels lower the chemical sensitivity of peripheral nerve fibers, modulating nociceptive signal transmission. Centrally, the mechanism inhibits Prostaglandin E2 ( PGE2) synthesis, which facilitates the resetting of the hypothalamic thermoregulatory set point.


Mechanistic Sparing for Homeostasis

A defining feature of the mechanism is its relative sparing of the COX-1 enzyme, which is responsible for essential basal physiological processes. This preferential COX-2 action results in the relative preservation of the baseline production of Prostaglandins that are essential for the physiological integrity of the gastric mucosa and for the basal regulation of platelet aggregation.

Dosage and Administration Information

How to Use Prodol (Etodolac)

Prodol is administered orally and is available in both Immediate-Release (IR) and Extended-Release (ER) formulations, with multiple available strengths. Adherence to the prescribed frequency and specific handling instructions is essential for proper use.

For chronic conditions, IR tablets or capsules are given in divided doses, typically ranging from 600 mg to 1000 mg total daily. ER tablets are administered once daily with doses ranging from 400 mg to 1000 mg. For acute pain, IR formulations are dosed 200 mg to 400 mg every six to eight hours, with an absolute maximum daily dose for any indication set at 1200 mg.


Administration Conditions and Principles

Administration Principle Procedural Guidance
Intake Timing May be taken with or immediately after food and a full glass of water.
Special Handling ER tablets must be swallowed whole; they must not be crushed, broken, or chewed to maintain the extended-release mechanism.
Duration Principle The lowest effective dose must be used for the shortest duration consistent with the treatment plan.

Usage in pediatric patients (6 to 16 years of age) requires ER tablets and follows specific weight-based dosing schedules. Dosage for chronic conditions should be reviewed and adjusted (titrated) to the lowest effective level after a satisfactory response is observed, a process that typically begins one to two weeks into therapy. No dose adjustment is generally necessary for older adults or those with mild-to-moderate renal impairment.

Recent Clinical Evidence

Research Evidence: Overview of Studies for Prodol


Evidence for Use in Chronic Arthritis: Osteoarthritis and Rheumatoid Arthritis

Research was studied for use in chronic arthritis symptoms primarily consists of Randomized Controlled Trials (RCTs). These studies were designed to compare the medicine against both a placebo (an inactive pill) and certain other established anti-inflammatory medicines in adult patients with diagnosed Osteoarthritis (OA) and Rheumatoid Arthritis (RA). Researchers monitored specific patient-reported outcomes describing perceived discomfort and outcomes linked to inflammatory or irritative states that were consistently examined in these studies.

In the case of both OA and RA, the research explored how symptoms evolved in the observed populations during the defined study periods. The findings described patterns observed in the studies related to outcomes linked to inflammatory or irritative states and outcomes reflecting daily functioning or activity level. Trials tracking patients for periods typically lasting between 4 and 12 weeks monitored outcomes reflecting daily functioning or activity level across the study groups. Studies exploring short-term symptom changes over these intermediate periods contribute to the broader evidence landscape for chronic symptom patterns.

Evidence for Use in Acute Pain

The research exploring short-term use of Prodol was studied for single-dose, double-blind, placebo-controlled RCTs. These studies were applied in research contexts involving acute or disruptive episodes, most commonly using the model of pain following a dental procedure. Researchers examined the medicine's effect during periods of heightened symptom activity by monitoring immediate, short-term outcomes describing episodic or acute changes.

Known Evidence Gaps and Areas of Uncertainty

The research highlights key areas where certainty remains low or where additional studies are needed:

  • Long-Term Effects: There is limited information for long-term outcomes, particularly concerning the patterns of safety related to cardiovascular and gastrointestinal systems relative to other treatments over multiple years of use.
  • Pediatric Data: The evidence quality varies across studies for Juvenile Idiopathic Arthritis (JIA), and the research for this younger population is still emerging and relies mainly on smaller, non-blinded trials.

Key Studies & References

  1. Etodolac (Prodol) Oral Dosage Forms: Official FDA-Approved Drug Labeling
  2. NICE Guideline: Osteoarthritis: care and management in adults

Frequently Asked Questions (FAQ)

Common questions about Prodol (FAQ)


Q: Is Prodol a generic or a brand-name medicine?

The name Prodol is a brand name for the active ingredient, Etodolac. Etodolac is the generic name for this compound.

Regulatory documents confirm the drug is available under its generic name, as well as various brand names.


Q: How is Prodol different from similar medicines used for the same health issue?

Official product information describes Prodol (Etodolac) as a preferential inhibitor of the Cyclooxygenase-2 ( COX-2) enzyme. This means its primary action is to block the enzyme responsible for inflammation and pain, while relatively sparing the COX-1 enzyme.

COX-1 is involved in essential basal body processes like protecting the stomach lining.


Q: Does Prodol cause weight gain or weight loss?

While weight change is not listed as a common side effect, official warnings note that swelling or rapid weight gain can be a sign of fluid retention.

Fluid retention is a potential adverse event associated with the drug. Such an event should be brought to the attention of the prescribing healthcare professional.


Q: Are there any known long-term side effects from using Prodol?

Studies indicate that long-term use of Etodolac may increase the risk of serious cardiovascular events, such as heart attack or stroke. It is also associated with an increased risk of serious gastrointestinal events, including internal bleeding and ulceration.

The official guidance emphasizes that the medication should be used at the lowest effective dose for the shortest duration consistent with treatment goals.


Q: Is Prodol safe for the liver and kidneys?

Regulatory documents state that Etodolac is associated with risks of severe hepatotoxicity (liver damage) and kidney injury.

The medicine is formally contraindicated in patients diagnosed with severe pre-existing liver or kidney disease. Official guidance may recommend monitoring kidney function during therapy, especially for older adults.


Q: Why do some people report dizziness after taking Prodol?

Dizziness is listed in the official prescribing information as a common adverse reaction.

It is categorized as a symptom affecting the nervous system.


Q: Does Prodol interact with common blood pressure medications?

Regulatory documents indicate that Etodolac may reduce the effectiveness of certain blood pressure medications. This includes classes such as ACE-inhibitors, diuretics, and beta-blockers.

Because of the potential for interactions, renal function should be monitored when these medicines are taken together.


Q: What are the risks of using Prodol with an opioid painkiller?

The regulatory documentation for a combination product containing Etodolac and an opioid notes additional risks. These serious risks can include respiratory depression (slow or shallow breathing) and the potential for dependence or addiction with prolonged use.


Q: Can I stop taking Prodol suddenly without risk of withdrawal effects?

Etodolac is classified as a non-habit-forming medication in regulatory documents.

The official information does not list withdrawal symptoms associated with stopping Etodolac suddenly.


Q: Is Prodol ever prescribed for children or teenagers?

Etodolac extended-release is approved for use in pediatric patients aged 6 to 16 years. This usage is specifically for Juvenile Rheumatoid Arthritis and requires weight-based dosing.

Some formulations may carry an explicit restriction for children younger than 12 years.


Q: Can people with a history of heart problems safely take Prodol?

Official warnings indicate an increased risk of serious cardiovascular thrombotic events (like heart attack or stroke) associated with Etodolac.

Patients with pre-existing heart disease or risk factors are considered to be at greater risk. The medicine is formally contraindicated for pain treatment following coronary artery bypass graft ( CABG) surgery.


Q: Do different versions of Prodol (e.g., immediate-release vs. extended-release) have different side effect profiles?

The regulatory adverse reaction profile for Etodolac generally includes effects observed across both immediate-release and extended-release formulations.

There is no separate or distinct list of common side effects for the different versions in the official product information.


Q: What happens if Prodol does not seem to be working after the expected time?

According to the official prescribing information, if a satisfactory therapeutic response is not observed, the patient’s treatment plan should be reviewed.

The prescribing information notes that dose adjustment may be necessary in such cases.


Q: Is Prodol's effectiveness influenced by my diet?

Food intake is known to reduce the peak plasma concentration ( Cmax) of the immediate-release formulation of Etodolac. Additionally, official documents indicate that the medicine may cause sodium and water retention.

Reducing dietary salt intake is often mentioned in discussions related to fluid retention with NSAID use.


Q: Can Prodol be used for prevention, or is it only for active treatment?

The approved uses for Etodolac are for the active management and symptomatic relief of signs and symptoms associated with specific conditions.

These indications include osteoarthritis, rheumatoid arthritis, and acute pain. The medicine is not approved for disease prevention.


Q: Can Prodol be used to treat things other than its main approved condition?

Etodolac is approved only for the management of the signs and symptoms of osteoarthritis, rheumatoid arthritis, and acute pain.

Any other uses are not detailed within the scope of the approved regulatory product information.


Q: Does Prodol affect mood or cause anxiety?

While anxiety is not listed as a common effect, nervous system adverse reactions have been reported in official documents.

Any unusual changes in mood or behavior should be discussed with the prescribing healthcare professional.


Q: Is there a list of all known Prodol drug-drug interactions?

The official prescribing information, such as the FDA-approved label or the Summary of Product Characteristics, contains the complete and most current list of known drug-drug interactions.

This document is the authoritative source for this information.


Q: What is the expected time frame to notice the full effects of Prodol?

For chronic conditions like osteoarthritis or rheumatoid arthritis, a satisfactory therapeutic response is typically observed within two weeks of starting therapy.

This time frame reflects the period used by researchers in clinical studies to monitor patient outcomes.


Q: How long does Prodol stay in your system after the last dose?

The terminal half-life (t1/2) of Etodolac is approximately 6.4 hours.

The half-life is a pharmacokinetic measurement that describes the time it takes for the amount of drug in the body to be reduced by half.


Q: Where can I find the official regulatory information for Prodol (e.g., FDA label)?

Official regulatory information, such as the full FDA Prescribing Information, can be accessed by the public.

This information is available through government websites like DailyMed or the FDA's Drugs@FDA database.


Q: Is Prodol a controlled substance?

Etodolac is not classified as a controlled substance under the Controlled Substance Act.

Regulatory documents confirm the medicine is non-habit-forming.

How should Prodol be stored and disposed of?

Storage and Disposal Requirements for PRODOL (Etodolac)

The storage of PRODOL (Etodolac) must adhere to specific regulatory standards to ensure product quality and integrity.

Storage Conditions

Requirement Official Condition
Temperature Store at Controlled Room Temperature, typically 15 C to 30 C (59 F to 86 F).
Protection The medicine must be protected from heat and moisture.
Container Keep the tablets in the original, well-closed container.
Safety Store strictly out of the sight and reach of children.

Disposal

Unused or expired PRODOL must be handled and disposed of responsibly. Discarding the product should follow local waste disposal requirements or utilize an official drug take-back program. Avoid flushing the medicine down the toilet unless explicitly instructed by a health authority.

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

Available in countries:

Equivalent of Prodol found in:

A-Z Index: