Etodolac ER 400mg Tablets
Overview
What is this medicine?
How to Use This Medicine
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 the best disposal method, or look into local drug take-back programs.
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 regular schedule. Do not take two doses at the same time or take extra doses to make up for the missed one.
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, as it can increase the risk of stomach bleeding.
- Avoid taking other NSAIDs (like ibuprofen, naproxen) or aspirin (unless directed by your doctor) while on etodolac, as this increases side effect risks.
- Stay well-hydrated, especially if you have kidney problems or are taking diuretics.
- Inform your doctor or dentist that you are taking etodolac before any surgery or dental procedures.
Available Forms & Alternatives
Dosing & Administration
Adult Dosing
Condition-Specific Dosing:
Pediatric Dosing
Dose Adjustments
Renal Impairment:
Hepatic Impairment:
Pharmacology
Mechanism of Action
Pharmacokinetics
Absorption:
Distribution:
Elimination:
Pharmacodynamics
Safety & Warnings
BLACK BOX WARNING
Side Effects
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, redness, swelling, blistering, or peeling skin (with or without fever), wheezing, tightness in the chest or throat, difficulty breathing, swallowing, or speaking, 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, coffee ground-like vomit, blood in the urine, black, red, or tarry stools, gum bleeding, 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 weight gain.
High potassium levels: Abnormal heartbeat, confusion, weakness, lightheadedness, dizziness, fainting, numbness or tingling, or shortness of breath.
High blood pressure: Severe headache or dizziness, fainting, or changes in vision.
Respiratory issues: Shortness of breath, sudden weight gain, or swelling in the arms or legs.
Cardiovascular issues: Chest pain or pressure, rapid heartbeat.
Neurological issues: Weakness on one side of the body, speech or thinking difficulties, balance changes, facial drooping, or blurred vision.
Other symptoms: Ringing in the ears, flu-like symptoms.
Liver problems: Dark urine, fatigue, decreased appetite, stomach pain or upset, light-colored stools, vomiting, or yellow skin and eyes. Liver problems can be fatal, so seek medical help immediately if you experience these symptoms.
Severe skin reactions: Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), and other serious reactions, which can affect internal organs and be fatal. Seek medical help right away if you experience red, swollen, blistered, or peeling skin; red or irritated eyes; mouth, throat, nose, eye, genital, or skin sores; 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 experience any of the following side effects or any other symptoms that bother you or persist, contact your doctor or seek medical help:
Constipation, diarrhea, stomach pain, upset stomach, or vomiting
Heartburn
Gas
Dizziness, tiredness, or weakness
Headache
This is not an exhaustive list of possible 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.
Seek Immediate Medical Attention If You Experience:
- Severe stomach pain, black/tarry stools, or vomit that looks like coffee grounds (signs of stomach bleeding)
- Chest pain, shortness of breath, sudden weakness on one side of the body, or slurred speech (signs of heart attack or stroke)
- Swelling in your hands or feet, unexplained weight gain, or decreased urination (signs of kidney problems)
- Yellowing of skin or eyes (jaundice), dark urine, persistent nausea/vomiting, or severe stomach pain (signs of liver problems)
- Skin rash, hives, itching, difficulty breathing or swallowing, swelling of the face/lips/tongue/throat (signs of allergic reaction)
- Unusual bruising or bleeding
Before Using This Medicine
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.
A history of nasal polyps or swelling of the mouth, face, lips, tongue, or throat, unusual hoarseness, or trouble breathing 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 potential pregnancy. This medication may harm an unborn baby if taken at 20 weeks or later in pregnancy. If you are between 20 to 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 status. Never start, stop, or adjust the dose of any medication without consulting your doctor.
Precautions & Cautions
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. Additionally, medications like this one have been associated with high blood pressure, 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 possible effects on your health. It is vital to follow your doctor's instructions regarding dosage and duration of treatment. 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, as you may be more sensitive to this medication. This drug may also affect your blood's ability to clot, making you more prone to bleeding. To minimize this risk, be careful to avoid injury, use a soft toothbrush, and consider using an electric razor.
The use of medications like this one has been linked to an increased risk of heart failure. If you already have heart failure, your risk of heart attack, hospitalization for heart failure, and death may be higher. Discuss these potential risks with your doctor. Furthermore, people who have had a recent heart attack may have a higher risk of heart attack and heart-related death when taking this type of medication. In fact, studies have shown that individuals taking drugs like this one 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 help prevent a heart attack, consult your doctor about the potential interactions with this medication. 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 could impact fertility. However, this effect is typically reversible when 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.
Overdose Information
Overdose Symptoms:
- Lethargy
- Drowsiness
- Nausea
- Vomiting
- Epigastric pain
- Gastrointestinal bleeding
- Rarely: hypertension, acute renal failure, respiratory depression, coma
What to Do:
In case of suspected overdose, seek immediate medical attention. Call 911 or your local poison control center (e.g., 1-800-222-1222 in the US). Management is primarily supportive and symptomatic. There is no specific antidote. Gastric decontamination (e.g., activated charcoal) may be considered if ingestion is recent and significant.
Drug Interactions
Contraindicated Interactions
- Aspirin (high dose, due to increased GI risk)
- Other NSAIDs (due to increased GI and renal risk)
Major Interactions
- Anticoagulants (e.g., Warfarin, Heparin) - increased bleeding risk
- Antiplatelet agents (e.g., Clopidogrel) - increased bleeding risk
- SSRIs/SNRIs - increased bleeding risk
- Corticosteroids - increased GI ulceration/bleeding risk
- ACE Inhibitors/ARBs - reduced antihypertensive effect, increased risk of renal impairment
- Diuretics (e.g., Furosemide, Thiazides) - reduced diuretic/antihypertensive effect, increased risk of renal impairment
- Lithium - increased lithium plasma levels and toxicity
- Methotrexate - increased methotrexate plasma levels and toxicity
- Cyclosporine - increased nephrotoxicity
- Tacrolimus - increased nephrotoxicity
Moderate Interactions
- Beta-blockers - reduced antihypertensive effect
- Digoxin - increased digoxin plasma levels
- Phenytoin - increased phenytoin plasma levels
- Sulfonylureas - increased hypoglycemic effect
- Cholestyramine - reduced etodolac absorption
Minor Interactions
- Antacids - may delay absorption but not significantly affect AUC
Monitoring
Baseline Monitoring
Rationale: To establish baseline for potential anemia (due to GI bleeding) or other hematologic effects.
Timing: Prior to initiation of therapy.
Rationale: To assess baseline kidney function, as NSAIDs can cause renal impairment.
Timing: Prior to initiation of therapy.
Rationale: To assess baseline liver function, as NSAIDs can cause liver enzyme elevations.
Timing: Prior to initiation of therapy.
Rationale: To establish baseline, as NSAIDs can cause new onset hypertension or worsen existing hypertension.
Timing: Prior to initiation of therapy.
Routine Monitoring
Frequency: Periodically, especially in patients with risk factors for renal impairment (e.g., elderly, heart failure, diuretic use) or on long-term therapy.
Target: Within normal limits or stable from baseline.
Action Threshold: Significant increase in creatinine (>20% from baseline) or signs of acute kidney injury; consider dose reduction or discontinuation.
Frequency: Periodically, especially in patients on long-term therapy.
Target: Within normal limits or stable from baseline.
Action Threshold: Significant elevation (e.g., >3 times upper limit of normal); consider discontinuation.
Frequency: Regularly, especially in patients with hypertension or cardiovascular risk factors.
Target: Individualized target BP.
Action Threshold: Sustained elevation above target; consider antihypertensive adjustment or NSAID discontinuation.
Frequency: Periodically for patients on long-term therapy (e.g., >1 year) or with symptoms of bleeding.
Target: Hemoglobin, hematocrit, platelet count within normal limits.
Action Threshold: Significant drop in hemoglobin/hematocrit, or signs of bleeding; investigate for GI bleeding.
Symptom Monitoring
- Signs of gastrointestinal bleeding (e.g., black, tarry stools; coffee-ground vomit; severe abdominal pain)
- Symptoms 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, unusual fatigue)
- Symptoms of liver injury (e.g., yellowing of skin/eyes, dark urine, persistent nausea/vomiting, severe abdominal pain)
- Signs of allergic reaction (e.g., rash, itching, hives, swelling of face/lips/tongue, difficulty breathing)
- Unexplained weight gain or edema (fluid retention)
- Vision changes or blurred vision (rare, but reported with NSAIDs)
Special Patient Groups
Pregnancy
Use during pregnancy should be avoided, especially during the third trimester, due to the risk of premature closure of the fetal ductus arteriosus and potential for renal dysfunction in the fetus. Use in the first and second trimesters should only be if the potential benefit justifies the potential risk to the fetus.
Trimester-Specific Risks:
Lactation
Etodolac is excreted in breast milk in small amounts. While generally considered compatible with breastfeeding for short-term use, caution is advised. Monitor the infant for adverse effects (e.g., drowsiness, poor feeding, irritability). Consider alternative NSAIDs with better safety profiles in lactation or use the lowest effective dose for the shortest duration.
Pediatric Use
Safety and efficacy of Etodolac ER have not been established in pediatric patients. Use is generally not recommended.
Geriatric Use
Elderly patients are at increased risk for serious adverse effects, particularly gastrointestinal bleeding, ulceration, perforation, and renal impairment. Use the lowest effective dose for the shortest duration. Monitor renal function, GI symptoms, and blood pressure closely.
Clinical Information
Clinical Pearls
- Always advise patients to take Etodolac ER with food or milk to minimize GI upset, even though it's an ER formulation.
- Emphasize the importance of swallowing the ER tablet whole; crushing or chewing can lead to rapid release and potentially higher peak plasma levels, increasing side effect risk.
- Educate patients about the black box warnings for cardiovascular and GI risks, and instruct them on symptoms requiring immediate medical attention.
- For long-term use, periodic monitoring of renal function, liver enzymes, and CBC is crucial, especially in elderly patients or those with comorbidities.
- Remind patients to inform all healthcare providers (including dentists) about their Etodolac use due to potential drug interactions and bleeding risks.
Alternative Therapies
- Other NSAIDs (e.g., Ibuprofen, Naproxen, Celecoxib, Meloxicam)
- Acetaminophen (for pain and fever, without anti-inflammatory effect)
- Opioid analgesics (for severe pain, with different risk profile)
- Topical NSAIDs (e.g., Diclofenac gel, for localized pain)
- Non-pharmacological therapies (e.g., physical therapy, heat/cold therapy, exercise, acupuncture)