Lodine XL 400mg Tablets

Manufacturer WYETH-AYERST Active Ingredient Etodolac Extended-Release Tablets(ee toe DOE lak) Pronunciation EE-toe-DOE-lak
WARNING: This drug may raise the risk of heart and blood vessel problems like heart attack and stroke. These effects can be deadly. The risk may be greater if you have heart disease or risks for heart disease. However, it can also be raised even if you do not have heart disease or risks for heart disease. The risk can happen within the first weeks of using this drug and may be greater with higher doses or long-term use. Do not use this drug right before or after bypass heart surgery.This drug may raise the chance of severe and sometimes deadly stomach or bowel problems like ulcers or bleeding. The risk is greater in older people, and in people who have had stomach or bowel ulcers or bleeding before. These problems may occur without warning signs. @ COMMON USES: It is used to treat some types of arthritis.It is used to manage pain.
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Drug Class
Nonsteroidal Anti-inflammatory Drug (NSAID)
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Pharmacologic Class
Cyclooxygenase (COX) inhibitor
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Pregnancy Category
Category C (first and second trimesters); Category D (third trimester)
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FDA Approved
Aug 1991
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DEA Schedule
Not Controlled

Overview

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What is this medicine?

Etodolac Extended-Release (Lodine XL) is a type of medicine called a nonsteroidal anti-inflammatory drug (NSAID). It works by reducing substances in the body that cause pain, inflammation, and fever. It's used to treat pain and inflammation from conditions like osteoarthritis and rheumatoid arthritis.
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How to Use This Medicine

Taking Your Medication

To use this medication correctly, follow your doctor's instructions and read all the information provided. You can take this medication with or without food, but if it causes stomach upset, take it with food. Always take it with a full glass of water and swallow the tablet whole - do not chew, break, or crush it.

Storing and Disposing of Your Medication

Store your medication at room temperature in a dry place, avoiding the bathroom. Keep all medications in a safe location, out of the reach of children and pets. When disposing of unused or expired medication, do not flush it down the toilet or pour it down the drain unless instructed to do so. Instead, check with your pharmacist for guidance on proper disposal, and consider participating in a local drug take-back program if available.

Missing a Dose

If you take this medication regularly and miss a dose, take it as soon as you remember. However, if it's close to the time for your next dose, skip the missed dose and resume your normal schedule. Do not take two doses at the same time or take extra doses to make up for a missed one.
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Lifestyle & Tips

  • Take with food or milk to reduce stomach upset.
  • Do not crush, chew, or break the extended-release tablet; swallow it whole.
  • Avoid alcohol while taking this medication, as it can increase the risk of stomach bleeding.
  • Discuss all other medications, including over-the-counter drugs and supplements, with your doctor to avoid harmful interactions.
  • Report any signs of bleeding (e.g., black stools, vomiting blood) or swelling immediately.

Dosing & Administration

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Adult Dosing

Standard Dose: 400 mg once daily
Dose Range: 400 - 1000 mg

Condition-Specific Dosing:

osteoarthritis: 400 mg to 1000 mg once daily
rheumatoid_arthritis: 400 mg to 1000 mg once daily
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Pediatric Dosing

Neonatal: Not established
Infant: Not established
Child: Not established (Immediate-release etodolac is used in JRA, but XL formulation is not typically recommended)
Adolescent: Not established (Immediate-release etodolac is used in JRA, but XL formulation is not typically recommended)
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Dose Adjustments

Renal Impairment:

Mild: No specific dose adjustment recommended, but use with caution.
Moderate: Use with caution; monitor renal function. Consider lower doses.
Severe: Contraindicated in advanced renal disease.
Dialysis: Not recommended; Etodolac is highly protein bound and not readily dialyzable.

Hepatic Impairment:

Mild: No specific dose adjustment recommended, but use with caution.
Moderate: Use with caution; monitor liver function. Consider lower doses.
Severe: Not recommended due to lack of data and potential for exacerbation of liver dysfunction.

Pharmacology

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Mechanism of Action

Etodolac is a nonsteroidal anti-inflammatory drug (NSAID) that exhibits anti-inflammatory, analgesic, and antipyretic activities. Its mechanism of action, like that of other NSAIDs, is believed to be due to the inhibition of prostaglandin synthesis, primarily through the inhibition of cyclooxygenase (COX) enzymes. Etodolac has been shown to be a preferential inhibitor of COX-2 over COX-1, particularly at lower doses, which may contribute to its gastrointestinal tolerability profile.
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Pharmacokinetics

Absorption:

Bioavailability: Approximately 80%
Tmax: Extended-release: 6-12 hours (for peak plasma concentrations)
FoodEffect: Food does not significantly affect the extent of absorption, but may slightly delay Tmax.

Distribution:

Vd: Approximately 0.4 L/kg
ProteinBinding: Greater than 99% (primarily to albumin)
CnssPenetration: Limited (detectable in synovial fluid)

Elimination:

HalfLife: Approximately 6-7 hours (for immediate release; extended-release maintains therapeutic levels over 24 hours)
Clearance: Approximately 41 mL/min
ExcretionRoute: Renal (approximately 60% as metabolites), Fecal (approximately 30% as metabolites)
Unchanged: Less than 1% (renal)
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Pharmacodynamics

OnsetOfAction: Within 30 minutes to 1 hour (for pain relief); several days to 2 weeks for full anti-inflammatory effect in chronic conditions.
PeakEffect: Extended-release: Sustained effect over 24 hours.
DurationOfAction: Approximately 24 hours (for extended-release formulation).

Safety & Warnings

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BLACK BOX WARNING

CARDIOVASCULAR THROMBOTIC EVENTS: NSAIDs, including etodolac, cause an increased risk of serious cardiovascular thrombotic events, including myocardial infarction and stroke, which can be fatal. This risk may occur early in treatment and may increase with duration of use. Etodolac is contraindicated in the setting of coronary artery bypass graft (CABG) surgery. GASTROINTESTINAL RISK: NSAIDs, including etodolac, cause an increased risk of serious gastrointestinal adverse events including bleeding, ulceration, and perforation of the stomach or intestines, which can be fatal. These events can occur at any time during use and without warning symptoms. Elderly patients and patients with a prior history of peptic ulcer disease and/or GI bleeding are at greater risk for serious GI events.
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Side Effects

Urgent Side Effects: Seek Medical Help Right Away

Although rare, some people may experience severe and potentially life-threatening side effects while taking this medication. If you notice any of the following symptoms, contact your doctor or seek immediate medical attention:

Allergic reactions: Rash, hives, itching, red, swollen, blistered, or peeling skin (with or without fever), wheezing, tightness in the chest or throat, trouble breathing, swallowing, or talking, unusual hoarseness, or swelling of the mouth, face, lips, tongue, or throat. In rare cases, allergic reactions can be fatal.
Bleeding: Vomiting or coughing up blood, vomit that resembles coffee grounds, blood in the urine, black, red, or tarry stools, bleeding from the gums, abnormal vaginal bleeding, unexplained bruises or bruises that enlarge, or uncontrollable bleeding.
Kidney problems: Inability to urinate, changes in urine output, blood in the urine, or sudden significant weight gain.
High potassium levels: Abnormal heartbeat, confusion, weakness, lightheadedness, dizziness, feeling faint, numbness or tingling, or shortness of breath.
High blood pressure: Severe headache or dizziness, fainting, or changes in vision.
Respiratory issues: Shortness of breath, significant weight gain, or swelling in the arms or legs.
Cardiovascular concerns: Chest pain or pressure, rapid heartbeat.
Neurological symptoms: Weakness on one side of the body, difficulty speaking or thinking, balance problems, drooping on one side of the face, or blurred vision.
Other symptoms: Ringing in the ears, flu-like symptoms.
Liver problems: This medication can cause liver damage, which may be fatal. Seek immediate medical attention if you experience dark urine, fatigue, decreased appetite, stomach pain or nausea, pale stools, vomiting, or yellowing of the skin or eyes.
Severe skin reactions: Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), and other serious reactions can occur, potentially affecting internal organs and being life-threatening. Seek medical help right away if you notice red, swollen, blistered, or peeling skin; red or irritated eyes; sores in the mouth, throat, nose, eyes, genitals, or skin; fever; chills; body aches; shortness of breath; or swollen glands.

Other Possible Side Effects

Most medications can cause side effects, but many people experience none or only mild symptoms. If you encounter any of the following side effects or any other symptoms that bother you or persist, contact your doctor or seek medical attention:

Constipation, diarrhea, stomach pain, nausea, or vomiting
Heartburn
Gas
Dizziness, fatigue, or weakness
Headache

This is not an exhaustive list of potential side effects. If you have questions or concerns about side effects, consult your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch.
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Seek Immediate Medical Attention If You Experience:

  • Severe stomach pain, black or tarry stools, vomiting blood or material that looks like coffee grounds (signs of GI bleeding)
  • Chest pain, shortness of breath, sudden weakness or numbness on one side of the body, slurred speech (signs of heart attack or stroke)
  • Swelling in your hands or feet, sudden weight gain, decreased urination (signs of kidney problems)
  • Yellowing of the skin or eyes, dark urine, nausea, unusual tiredness (signs of liver problems)
  • Severe skin rash, blistering, or peeling
  • Unexplained fever, sore throat, or other signs of infection
  • Vision changes
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Before Using This Medicine

Before Taking This Medication: Important Information to Share with Your Doctor

It is essential to inform your doctor about the following conditions to ensure safe treatment:

Any allergies you have, including allergies to this medication, its components, or other substances, such as foods or drugs. Describe the allergic reaction and its symptoms.
Allergies to aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or naproxen.
If you have experienced nasal polyps, swelling of the mouth, face, lips, tongue, or throat, unusual hoarseness, or breathing difficulties after taking aspirin or NSAIDs.
Certain health conditions, including:
+ Gastrointestinal (GI) bleeding or kidney problems.
+ Heart failure (weak heart) or a recent heart attack.
Concurrent use of other NSAIDs, salicylate drugs like aspirin, or pemetrexed.
Use of phenylbutazone.
Fertility issues or ongoing fertility checks.
Pregnancy, planned pregnancy, or pregnancy during treatment. This medication may harm an unborn baby if taken after 20 weeks of pregnancy. If you are between 20 and 30 weeks pregnant, only take this medication under your doctor's guidance. Do not take this medication if you are more than 30 weeks pregnant.

This list is not exhaustive, and it is crucial to discuss all your medications (prescription, over-the-counter, natural products, and vitamins) and health conditions with your doctor and pharmacist. Verify that it is safe to take this medication with your existing treatments and health conditions. Never start, stop, or modify the dosage of any medication without consulting your doctor.
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Precautions & Cautions

It is essential to inform all your healthcare providers, including doctors, nurses, pharmacists, and dentists, that you are taking this medication. If you are taking this drug long-term, your doctor may recommend regular blood tests to monitor your condition.

This medication may interfere with certain laboratory tests, so it is crucial to notify all your healthcare providers and lab personnel that you are taking this drug. There is a risk of developing high blood pressure with medications like this one, so your doctor may advise you to have your blood pressure checked regularly.

Before consuming alcohol, discuss the potential risks with your doctor. If you smoke, talk to your doctor about the potential interactions between smoking and this medication. It is vital to follow your doctor's instructions regarding dosage and treatment duration. Taking more than the prescribed amount or using this medication for longer than recommended may increase your risk of severe side effects.

If you have asthma, consult your doctor before taking this medication, as you may be more sensitive to its effects. This medication may also increase your risk of bleeding, so be cautious and avoid injuries. To minimize this risk, use a soft toothbrush and an electric razor.

The use of medications like this one may increase the risk of heart failure, particularly in people who already have this condition. This may lead to a higher risk of heart attack, hospitalization for heart failure, and death. Discuss these potential risks with your doctor. Additionally, people who have had a recent heart attack may have a higher risk of heart attack and heart-related death when taking medications like this one. In fact, studies have shown that people taking these medications after a first heart attack were more likely to die within the following year compared to those not taking these medications.

If you are taking aspirin to prevent heart attacks, consult your doctor about potential interactions. Older adults (65 years and older) should use this medication with caution, as they may be more susceptible to side effects.

Nonsteroidal anti-inflammatory drugs (NSAIDs) like this one may affect ovulation, which can impact fertility. However, this effect is reversible, and ovulation typically returns to normal once the medication is stopped. If you are trying to conceive, discuss the potential risks with your doctor.

If you are breastfeeding, inform your doctor, as they will need to assess the potential risks to your baby and discuss alternative options with you.
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Overdose Information

Overdose Symptoms:

  • Lethargy
  • Drowsiness
  • Nausea
  • Vomiting
  • Epigastric pain
  • GI bleeding
  • Rarely: hypertension, acute renal failure, respiratory depression, coma

What to Do:

Call 1-800-222-1222 (Poison Control Center). Seek immediate medical attention. Management is primarily supportive and symptomatic. Gastric decontamination (e.g., activated charcoal) may be considered if ingestion is recent (within 1 hour) and substantial.

Drug Interactions

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Contraindicated Interactions

  • Aspirin (high dose) or other NSAIDs (increased risk of GI adverse events)
  • Coronary Artery Bypass Graft (CABG) surgery (peri-operative pain)
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Major Interactions

  • Anticoagulants (e.g., Warfarin, Heparin) - increased bleeding risk
  • Antiplatelet agents (e.g., Clopidogrel, Aspirin low dose) - increased bleeding risk
  • SSRIs/SNRIs - increased risk of GI bleeding
  • Diuretics (e.g., Furosemide, Thiazides) - reduced diuretic and antihypertensive effect, increased risk of renal impairment
  • ACE inhibitors/ARBs - reduced antihypertensive effect, increased risk of renal impairment
  • Lithium - increased lithium plasma levels and toxicity
  • Methotrexate - increased methotrexate toxicity
  • Cyclosporine - increased nephrotoxicity
  • Digoxin - increased digoxin plasma levels
  • Pemetrexed (in patients with impaired renal function)
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Moderate Interactions

  • Corticosteroids - increased risk of GI ulceration/bleeding
  • Sulfonylureas - potential for altered glucose metabolism (rare)
  • Phenytoin - potential for increased phenytoin levels (rare)
  • Cholestyramine - may reduce etodolac absorption (separate administration)
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Minor Interactions

  • Antacids - may slightly delay absorption but not significantly affect bioavailability

Monitoring

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Baseline Monitoring

Complete Blood Count (CBC)

Rationale: To establish baseline and monitor for potential hematologic adverse effects (e.g., anemia, thrombocytopenia).

Timing: Prior to initiation of therapy.

Renal Function (BUN, Creatinine, eGFR)

Rationale: To establish baseline renal function, as NSAIDs can cause renal impairment.

Timing: Prior to initiation of therapy.

Liver Function Tests (ALT, AST, Bilirubin)

Rationale: To establish baseline liver function, as NSAIDs can cause liver enzyme elevations.

Timing: Prior to initiation of therapy.

Blood Pressure

Rationale: To establish baseline and monitor for potential hypertension.

Timing: Prior to initiation of therapy.

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Routine Monitoring

Complete Blood Count (CBC)

Frequency: Periodically (e.g., annually or as clinically indicated, more frequently in long-term therapy)

Target: Within normal limits

Action Threshold: Significant decrease in hemoglobin/hematocrit, or abnormal platelet/WBC counts warrant investigation and potential discontinuation.

Renal Function (BUN, Creatinine, eGFR)

Frequency: Periodically (e.g., every 6-12 months, or more frequently in patients with risk factors for renal impairment or on concomitant nephrotoxic drugs)

Target: Within normal limits

Action Threshold: Significant increase in BUN/creatinine or decrease in eGFR warrants dose adjustment or discontinuation.

Liver Function Tests (ALT, AST)

Frequency: Periodically (e.g., every 6-12 months, or as clinically indicated)

Target: Within normal limits

Action Threshold: Significant elevation (e.g., >3x ULN) warrants discontinuation.

Blood Pressure

Frequency: Regularly (e.g., at each clinic visit)

Target: <130/80 mmHg (or individualized target)

Action Threshold: Sustained elevation warrants intervention.

Occult Blood in Stool

Frequency: Periodically (especially in patients with GI risk factors or on long-term therapy)

Target: Negative

Action Threshold: Positive test warrants further GI evaluation.

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Symptom Monitoring

  • Signs of gastrointestinal bleeding (e.g., black, tarry stools; coffee-ground vomit; severe abdominal pain)
  • Signs of cardiovascular events (e.g., chest pain, shortness of breath, weakness on one side of the body, slurred speech)
  • Signs of renal impairment (e.g., decreased urine output, swelling in ankles/feet)
  • Signs of liver injury (e.g., fatigue, nausea, dark urine, jaundice, right upper quadrant tenderness)
  • Unusual bruising or bleeding
  • Skin rash or blistering
  • Unexplained weight gain or edema
  • Vision changes

Special Patient Groups

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Pregnancy

Avoid use during the third trimester of pregnancy due to the risk of premature closure of the fetal ductus arteriosus and potential for renal dysfunction in the fetus. Use during the first and second trimesters should only be if the potential benefit justifies the potential risk to the fetus.

Trimester-Specific Risks:

First Trimester: Potential increased risk of miscarriage and cardiac malformations (limited data).
Second Trimester: Generally considered safer than third trimester, but still use with caution and only if clearly needed.
Third Trimester: Contraindicated due to risk of premature closure of the fetal ductus arteriosus, persistent pulmonary hypertension of the newborn, and fetal renal dysfunction leading to oligohydramnios.
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Lactation

Etodolac is excreted in human milk. Due to the potential for serious adverse reactions in nursing infants, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother. L3 (moderately safe) is often cited, but caution is advised.

Infant Risk: Low to moderate risk. Potential for adverse effects on the infant's cardiovascular system (ductus arteriosus), kidneys, or GI tract, though systemic exposure is likely low.
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Pediatric Use

Safety and effectiveness of Lodine XL (extended-release etodolac) in pediatric patients have not been established. Immediate-release etodolac is used in juvenile rheumatoid arthritis (JRA) in children 6 years and older, but specific dosing for the XL formulation is not available for pediatric use.

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Geriatric Use

Elderly patients are at increased risk for serious adverse reactions to NSAIDs, especially gastrointestinal bleeding and perforation, and renal impairment. Use the lowest effective dose for the shortest duration possible. Monitor closely for adverse effects.

Clinical Information

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Clinical Pearls

  • Etodolac XL is a once-daily formulation, improving patient adherence.
  • While preferentially COX-2 selective, it still carries the class risks of NSAIDs, including GI and CV risks.
  • Always counsel patients on the signs and symptoms of GI bleeding and cardiovascular events.
  • Consider a proton pump inhibitor (PPI) or H2 blocker for patients at high risk of GI complications.
  • Monitor blood pressure, renal function, and liver function, especially in long-term use or in patients with comorbidities.
  • Avoid concomitant use with other NSAIDs or high-dose aspirin due to increased risk of adverse effects without added benefit.
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Alternative Therapies

  • Other NSAIDs (e.g., Ibuprofen, Naproxen, Celecoxib, Meloxicam, Diclofenac)
  • Acetaminophen (for pain and fever, no anti-inflammatory effect)
  • Topical NSAIDs (e.g., Diclofenac gel)
  • Corticosteroids (for severe inflammation, short-term use)
  • Disease-modifying antirheumatic drugs (DMARDs) for rheumatoid arthritis (e.g., Methotrexate, Biologics)
  • Physical therapy
  • Heat/cold therapy
  • Opioid analgesics (for severe pain, short-term, with caution)
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Cost & Coverage

Average Cost: Varies widely, typically $50-$200+ per 30 tablets
Generic Available: Yes
Insurance Coverage: Tier 1 or Tier 2 (for generic etodolac ER); Brand Lodine XL may be Tier 3 or higher, or require prior authorization.
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General Drug Facts

If your symptoms or health issues persist or worsen, it is essential to contact your doctor promptly. To ensure your safety, never share your medication with others or take someone else's medication. This medication is accompanied by a Medication Guide, which is a crucial patient fact sheet. Please read it carefully and review it again whenever you receive a refill. If you have any questions or concerns about this medication, we encourage you to discuss them with your doctor, pharmacist, or other healthcare provider. In the event of a suspected overdose, immediately call your local poison control center or seek emergency medical attention. When reporting the incident, be prepared to provide detailed information about the medication taken, the quantity, and the time it occurred.