Indocin 25mg/5ml Suspension

Manufacturer ZYLA LIFE SCIENCES Active Ingredient Indomethacin Suspension(in doe METH a sin) Pronunciation IN-doe-METH-uh-sin
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 treat ankylosing spondylitis.It may be given to you for other reasons. Talk with the doctor.
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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
Jan 1965
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DEA Schedule
Not Controlled

Overview

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What is this medicine?

Indomethacin is a medicine called an NSAID (nonsteroidal anti-inflammatory drug). It works by reducing substances in the body that cause pain, fever, and inflammation (swelling). It's used to treat conditions like arthritis, gout, and certain types of muscle or joint pain.
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How to Use This Medicine

Taking Your Medication Correctly

To ensure you get the most out of your medication, follow these steps:

Take your medication exactly as directed by your doctor.
Read all the information provided with your medication and follow the instructions carefully.
To minimize the risk of an upset stomach, take your medication with food.
Swallow your medication with a full glass of water.
Before using, shake the medication well to ensure the ingredients are evenly mixed.
If you are taking a liquid dose, measure it carefully using the measuring device that comes with the medication. If no device is provided, ask your pharmacist for a suitable measuring tool.

Storing and Disposing of Your Medication

To maintain the effectiveness and safety of your medication:

Store it at room temperature, avoiding refrigeration or freezing.
Protect the medication from heat sources.
Keep it in a dry place, away from bathrooms.

What to Do If You Miss a Dose

If you forget to take a dose, follow these guidelines:

Take the missed dose as soon as you remember.
However, if it's close to the time for your next scheduled dose, skip the missed dose and resume your regular dosing schedule.
Do not take two doses at the same time or take extra doses to make up for the missed one.
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Lifestyle & Tips

  • Take with food, milk, or an antacid to reduce stomach upset.
  • Avoid alcohol, as it can increase the risk of stomach bleeding.
  • Do not take other NSAIDs (like ibuprofen or naproxen) or aspirin unless directed by your doctor, as this can increase side effects.
  • Stay hydrated, especially if you have kidney problems.
  • Report any unusual bleeding, bruising, or signs of stomach problems immediately.

Dosing & Administration

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Adult Dosing

Standard Dose: 25 mg (5 ml) 2 to 3 times daily for rheumatoid arthritis, osteoarthritis, ankylosing spondylitis. 50 mg (10 ml) 3 times daily for acute gouty arthritis. 25 mg (5 ml) 2 to 3 times daily for acute painful shoulder (bursitis/tendinitis).
Dose Range: 25 - 200 mg

Condition-Specific Dosing:

rheumatoidArthritis: 25 mg (5 ml) 2 to 3 times daily, may increase by 25 mg (5 ml) at weekly intervals up to 150-200 mg/day in divided doses.
osteoarthritis: 25 mg (5 ml) 2 to 3 times daily, may increase by 25 mg (5 ml) at weekly intervals up to 150-200 mg/day in divided doses.
ankylosingSpondylitis: 25 mg (5 ml) 2 to 3 times daily, may increase by 25 mg (5 ml) at weekly intervals up to 150-200 mg/day in divided doses.
acuteGoutyArthritis: 50 mg (10 ml) 3 times daily until pain is satisfactorily controlled, then rapidly reduce dosage and discontinue.
acutePainfulShoulder: 25 mg (5 ml) 2 to 3 times daily for 7-14 days.
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Pediatric Dosing

Neonatal: Not established for general use. IV formulation is used for patent ductus arteriosus (PDA) closure in neonates, but oral suspension is generally not used for this indication.
Infant: Not established for general use.
Child: Not established for general use. Generally not recommended for children under 14 years of age for chronic inflammatory conditions due to high risk of toxicity.
Adolescent: Not established for general use. For adolescents 14 years and older, adult dosing may be considered with extreme caution and close monitoring, but generally avoided.
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Dose Adjustments

Renal Impairment:

Mild: Use with caution; monitor renal function.
Moderate: Use with caution; consider dose reduction and close monitoring of renal function.
Severe: Contraindicated in patients with severe renal impairment (CrCl <30 mL/min) or advanced renal disease.
Dialysis: Not recommended. Indomethacin is not significantly removed by hemodialysis.

Hepatic Impairment:

Mild: Use with caution; monitor liver function tests.
Moderate: Use with caution; consider dose reduction and close monitoring of liver function tests.
Severe: Use with extreme caution; contraindicated in severe hepatic impairment or active liver disease.

Pharmacology

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Mechanism of Action

Indomethacin is a nonsteroidal anti-inflammatory drug (NSAID) that exhibits anti-inflammatory, analgesic, and antipyretic activities. Its primary mechanism of action is the inhibition of prostaglandin synthesis by inhibiting cyclooxygenase (COX-1 and COX-2) enzymes. This reduces the formation of prostaglandin precursors from arachidonic acid, thereby decreasing inflammation, pain, and fever.
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Pharmacokinetics

Absorption:

Bioavailability: Approximately 90-98%
Tmax: 1-2 hours (oral suspension)
FoodEffect: Food or milk may delay the rate but not the extent of absorption, and may reduce gastrointestinal upset.

Distribution:

Vd: 0.34-1.5 L/kg
ProteinBinding: >90% (primarily to albumin)
CnssPenetration: Limited, but sufficient to cause CNS side effects (e.g., headache, dizziness).

Elimination:

HalfLife: 4.5 hours (range 2.6-11.2 hours)
Clearance: Not available (variable)
ExcretionRoute: Renal (approximately 60% as metabolites and unchanged drug), Fecal (approximately 33% as metabolites and unchanged drug).
Unchanged: Approximately 10-20% (urine)
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Pharmacodynamics

OnsetOfAction: Within 30 minutes (analgesia), several days to weeks (anti-inflammatory effect)
PeakEffect: 1-2 hours (analgesia), 1-2 weeks (anti-inflammatory effect)
DurationOfAction: 4-6 hours (analgesia)

Safety & Warnings

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BLACK BOX WARNING

CARDIOVASCULAR THROMBOTIC EVENTS: NSAIDs, including Indocin, 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. Indocin is contraindicated in the setting of coronary artery bypass graft (CABG) surgery. GASTROINTESTINAL RISK: NSAIDs, including Indocin, 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 medical attention immediately:

Allergic Reaction: 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.
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 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, sudden weight gain, or swelling in the arms or legs.
Cardiovascular Issues: Chest pain or pressure.
Neurological Issues: Weakness on one side of the body, difficulty speaking or thinking, balance changes, drooping on one side of the face, or blurred vision.
Vision Changes: Changes in eyesight.
Other Symptoms: Ringing in the ears, depression, 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 any of these symptoms.
Severe Skin Reactions: These can include Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), and other serious reactions, which can be life-threatening. Seek medical help right away if you experience red, swollen, blistered, or peeling skin; red or irritated eyes; sores in your mouth, throat, nose, eyes, genitals, or skin; fever; chills; body aches; shortness of breath; or swollen glands.

Other Side Effects

Most people experience few or no side effects, but some may occur. If you experience any of the following side effects or any other symptoms that bother you or do not go away, contact your doctor:

Headache
Constipation, diarrhea, stomach pain, upset stomach, or vomiting
Heartburn
Gas
* Dizziness, drowsiness, fatigue, or weakness

This is not an exhaustive list of possible side effects. If you have questions or concerns about side effects, contact 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 (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, unusual weight gain, decreased urination (signs of kidney problems)
  • Yellowing of skin or eyes, dark urine, nausea, vomiting, unusual tiredness (signs of liver problems)
  • Severe skin rash, blistering, peeling skin, fever, sore throat (signs of severe skin reaction)
  • Unexplained fever, sore throat, or other signs of infection (may indicate blood dyscrasias)
  • Persistent headache, dizziness, confusion
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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.
A history of asthma triggered by salicylate drugs like aspirin or NSAIDs.
Presence of certain health conditions, including:
+ Dehydration
+ Gastrointestinal (GI) bleeding
+ Heart failure (weak heart)
+ Kidney disease
+ Liver disease
Recent heart attack
Concurrent use of other NSAIDs, salicylate drugs like aspirin or diflunisal, triamterene, or pemetrexed
Fertility issues or ongoing fertility evaluation
Pregnancy, planned pregnancy, or potential pregnancy. This medication may harm an unborn baby if taken after 20 weeks of gestation. 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.

To ensure your safety, it is crucial to disclose all your medications, including prescription and over-the-counter (OTC) drugs, natural products, and vitamins, as well as any health problems, to your doctor and pharmacist. Verify that it is safe to take this medication with your existing treatments and health conditions. Never start, stop, or adjust the dose 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. Adhere strictly to the dosage instructions provided by your doctor, as taking more than prescribed may increase your risk of experiencing severe side effects. Additionally, do not take this medication for a longer duration than recommended by your doctor.

Until you are aware of how this medication affects you, exercise caution when engaging in activities that require alertness, such as driving. Be aware that you may experience easier bleeding, so it is crucial to be careful and avoid injuries. To minimize the risk of bleeding, use a soft toothbrush and an electric razor for shaving.

This medication may influence the results of certain laboratory tests. Therefore, it is vital to inform all your healthcare providers and laboratory personnel that you are taking this medication. Before consuming alcohol, consult with your doctor to discuss any potential risks. If you smoke, it is also important to talk to your doctor, as smoking may interact with the effects of this medication. Long-term use of this medication may require regular blood tests, so be sure to discuss this with your doctor.

There is a potential risk of developing high blood pressure associated with medications like this one. Ensure that your blood pressure is monitored as advised by your doctor. If you have asthma, consult with your doctor, as you may be more sensitive to the effects of this medication.

The use of medications similar to this one has been linked to an increased risk of heart failure. If you already have heart failure, the risk of heart attack, hospitalization due to heart failure, and death may be higher. It is crucial to discuss these risks with your doctor. Furthermore, people who have recently experienced a 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 individuals taking these medications after a first heart attack were more likely to die within the year following the heart attack compared to those not taking these medications. Therefore, it is essential to have an open discussion with your doctor about these risks.

If you are taking aspirin to prevent heart attacks, consult with your doctor, as there may be interactions between these medications. In some cases, medications like this one have been known to exacerbate depression, mood problems, seizures, and conditions like Parkinson's disease. If you have any of these health issues and notice a worsening of symptoms, inform your doctor promptly.

If you are 65 years or older, use this medication with caution, as you may be more susceptible to side effects. It is also important to note that NSAIDs, like this medication, may affect ovulation, potentially impacting fertility. However, this effect is reversible upon discontinuation of the medication. If you are trying to conceive, discuss this with your doctor. Finally, if you are breastfeeding, consult with your doctor to assess any potential risks to your baby.
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Overdose Information

Overdose Symptoms:

  • Nausea
  • Vomiting
  • Stomach pain
  • Lethargy
  • Drowsiness
  • Headache
  • Dizziness
  • Disorientation
  • Convulsions
  • Coma
  • Acute renal failure
  • Hypotension
  • Respiratory depression

What to Do:

Call 911 or your local poison control center (1-800-222-1222 in the US) immediately. Seek emergency medical attention. Treatment is supportive and symptomatic; there is no specific antidote. Gastric lavage, activated charcoal, and forced diuresis may be considered.

Drug Interactions

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Contraindicated Interactions

  • Aspirin (increased GI toxicity)
  • Other NSAIDs (increased GI toxicity, renal dysfunction)
  • Ketorolac (increased GI toxicity, renal dysfunction)
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Major Interactions

  • Anticoagulants (e.g., Warfarin): Increased risk of bleeding.
  • Antiplatelet agents (e.g., Clopidogrel, Ticagrelor): Increased risk of bleeding.
  • SSRIs/SNRIs: Increased risk of gastrointestinal bleeding.
  • Diuretics (e.g., Furosemide, Thiazides): Reduced diuretic and antihypertensive effects; increased risk of renal impairment.
  • ACE Inhibitors/ARBs: Reduced antihypertensive effect; increased risk of renal impairment and hyperkalemia.
  • Lithium: Increased plasma lithium levels and toxicity.
  • Methotrexate: Increased plasma methotrexate levels and toxicity.
  • Cyclosporine: Increased nephrotoxicity.
  • Digoxin: Increased plasma digoxin levels.
  • Corticosteroids: Increased risk of gastrointestinal ulceration and bleeding.
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Moderate Interactions

  • Beta-blockers: Reduced antihypertensive effect.
  • Sulfonylureas: Potentiation of hypoglycemic effect.
  • Phenytoin: Increased plasma phenytoin levels.
  • Probenecid: Increased indomethacin plasma levels and half-life.
  • Triamterene: Increased risk of renal failure.
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Minor Interactions

  • Antacids: May delay absorption but not extent.
  • Cholestyramine: May reduce absorption.

Monitoring

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Baseline Monitoring

Complete Blood Count (CBC)

Rationale: To establish baseline and monitor for anemia or other hematologic abnormalities.

Timing: Before initiating therapy

Liver Function Tests (LFTs)

Rationale: To establish baseline and monitor for hepatotoxicity.

Timing: Before initiating therapy

Renal Function Tests (BUN, Creatinine, eGFR)

Rationale: To establish baseline and monitor for nephrotoxicity.

Timing: Before initiating therapy

Blood Pressure (BP)

Rationale: To establish baseline and monitor for hypertension or worsening of existing hypertension.

Timing: Before initiating therapy

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Routine Monitoring

Complete Blood Count (CBC)

Frequency: Periodically, especially during long-term therapy (e.g., every 6-12 months or as clinically indicated).

Target: Within normal limits

Action Threshold: Significant decrease in hemoglobin/hematocrit, or other abnormalities; investigate and consider discontinuation.

Liver Function Tests (LFTs)

Frequency: Periodically, especially during long-term therapy (e.g., every 6-12 months or as clinically indicated).

Target: Within normal limits or stable

Action Threshold: Significant elevation (e.g., >3x ULN) of transaminases; discontinue therapy.

Renal Function Tests (BUN, Creatinine, eGFR)

Frequency: Periodically, especially during long-term therapy or in patients with risk factors (e.g., every 3-6 months).

Target: Within normal limits or stable

Action Threshold: Significant increase in BUN/creatinine or decrease in eGFR; consider dose reduction or discontinuation.

Blood Pressure (BP)

Frequency: Regularly, especially in hypertensive patients or those at risk (e.g., at each visit).

Target: Individualized target BP

Action Threshold: Sustained elevation above target; consider antihypertensive adjustment or NSAID discontinuation.

Occult Blood (Stool)

Frequency: Periodically, especially in patients with GI risk factors or symptoms.

Target: Negative

Action Threshold: Positive test; investigate for GI bleeding.

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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, unusual fatigue)
  • Signs of liver injury (e.g., nausea, fatigue, lethargy, itching, jaundice, right upper quadrant tenderness, flu-like symptoms)
  • Signs of allergic reaction or severe skin reactions (e.g., rash, hives, blistering, peeling skin, swelling of face/lips/tongue/throat, difficulty breathing)
  • Unusual weight gain or swelling (fluid retention)
  • Persistent headache or dizziness

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 persistent pulmonary hypertension in the newborn. 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. Use only if clearly needed.
Second Trimester: Potential for renal dysfunction in the fetus leading to oligohydramnios and, in some cases, neonatal renal impairment. Use with caution and monitor amniotic fluid volume.
Third Trimester: Contraindicated due to risk of premature closure of the fetal ductus arteriosus, persistent pulmonary hypertension of the newborn, and inhibition of uterine contractions.
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Lactation

Indomethacin is excreted in breast 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.

Infant Risk: L3 (Moderately safe; potential for adverse effects, monitor infant for drowsiness, poor feeding, or GI upset).
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Pediatric Use

Generally not recommended for chronic use in children under 14 years of age due to a higher incidence of adverse reactions, including serious ones. Specific IV formulation is used for patent ductus arteriosus (PDA) in neonates, but the oral suspension is not typically used for this indication.

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Geriatric Use

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

Clinical Information

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Clinical Pearls

  • Indomethacin is a potent NSAID often reserved for conditions unresponsive to less potent agents due to its higher incidence of CNS and GI side effects.
  • Take with food, milk, or antacids to minimize GI irritation.
  • Patients should be advised to report any signs of GI bleeding (e.g., black, tarry stools) or cardiovascular events (e.g., chest pain, shortness of breath) immediately.
  • Monitor renal function, liver function, and blood pressure regularly, especially in long-term therapy or in patients with comorbidities.
  • Avoid in patients with a history of aspirin-exacerbated respiratory disease (AERD) due to risk of severe bronchospasm.
  • Due to its relatively short half-life, multiple daily dosing is required for sustained effect.
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Alternative Therapies

  • Other NSAIDs (e.g., Ibuprofen, Naproxen, Diclofenac, Celecoxib)
  • Acetaminophen (for pain/fever without inflammation)
  • Corticosteroids (for severe inflammation, short-term)
  • Disease-modifying antirheumatic drugs (DMARDs) for chronic inflammatory conditions (e.g., Methotrexate, biologics)
  • Colchicine or Allopurinol for gout
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Cost & Coverage

Average Cost: Varies widely, typically $20-$100+ per 473 ml bottle (25mg/5ml)
Generic Available: Yes
Insurance Coverage: Tier 1 or Tier 2 (for generic), Tier 3 or higher (for brand)
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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 resource for patients. Please read this guide carefully and review it again whenever you receive a refill of this medication. 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, including the dosage, timing, and circumstances surrounding the overdose.