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# Ecospirin (Aspirin, Enteric-Coated)
## Overview
Ecospirin is an enteric-coated formulation of aspirin, a nonsteroidal anti-inflammatory drug (NSAID) with analgesic, antipyretic, and antiplatelet properties. The enteric coating is designed to protect the stomach lining and delay absorption until it reaches the small intestine.
## Primary Indications
* **Cardiovascular Prophylaxis:** Prevention of myocardial infarction, stroke, and cardiovascular death in patients with established cardiovascular disease or at high risk.
* **Analgesia and Antipyresis:** Relief of mild to moderate pain and fever.
* **Inflammation:** Management of inflammatory conditions (though lower doses are typically used for antiplatelet effects).
## Adult Dosing
* **Cardiovascular Prophylaxis:**
* **Primary Prevention:** 75-150 mg once daily. The decision to initiate primary prevention should be individualized based on risk assessment.
* **Secondary Prevention:** 75-325 mg once daily. Higher doses (e.g., 325 mg) may be used initially for acute situations like myocardial infarction or stroke, then reduced to a maintenance dose.
* **Analgesia/Antipyresis:** 325-650 mg every 4-6 hours as needed. Maximum daily dose is typically 4000 mg.
* **Anti-inflammatory:** 2.6-5.4 g daily in divided doses.
**Note:** Specific dosing for cardiovascular prophylaxis should align with current guidelines.
## Pediatric Dosing
* **Fever/Pain:** Dosing is weight-based, typically 10-15 mg/kg/dose every 4-6 hours. Maximum daily dose: 75 mg/kg or 4000 mg, whichever is less.
* **Inflammatory Conditions (e.g., Juvenile Idiopathic Arthritis):** Dosing varies significantly based on severity and patient response, often 60-100 mg/kg/day divided into 2-4 doses.
* **Kawasaki Disease:** High-dose therapy (80-100 mg/kg/day divided into 4 doses) is used during the acute phase, followed by low-dose therapy (3-5 mg/kg/day once daily) for at least 6-8 weeks or longer, especially if coronary artery aneurysms are present.
**Important:** Aspirin should generally be avoided in children and adolescents with viral infections due to the risk of Reye's syndrome.
## Dose Adjustments
* No specific dose adjustments are typically required for renal or hepatic impairment at standard antiplatelet doses.
* Higher doses used for anti-inflammatory or analgesic effects may require caution in patients with severe renal or hepatic impairment.
## Contraindications
* Hypersensitivity to aspirin, salicylates, or NSAIDs.
* Asthma, urticaria, or other allergic-type reactions after taking aspirin or other NSAIDs.
* Active peptic ulceration or gastrointestinal bleeding.
* Bleeding disorders.
* Severe hepatic or renal impairment.
* Use in children and adolescents with viral infections (risk of Reye's syndrome).
* Third trimester of pregnancy.
## Adverse Effects
* **Gastrointestinal:** Dyspepsia, heartburn, nausea, vomiting, abdominal pain, gastritis, peptic ulceration, occult bleeding, frank GI bleeding.
* **Hematologic:** Increased bleeding time, bruising, epistaxis, petechiae.
* **Hypersensitivity:** Bronchospasm, rhinitis, urticaria.
* **Auditory:** Tinnitus, hearing loss (more common with higher doses).
* **Renal:** Acute kidney injury (especially with higher doses or in susceptible individuals).
* **Hepatic:** Elevated liver enzymes.
* **Reye's Syndrome:** In children and adolescents with viral illnesses.
## Key Drug Interactions
* **Anticoagulants (e.g., warfarin, heparin, DOACs):** Increased risk of bleeding.
* **Other NSAIDs and Salicylates:** Increased risk of GI toxicity and bleeding.
* **Corticosteroids:** Increased risk of GI ulceration and bleeding.
* **Antihypertensives (e.g., ACE inhibitors, ARBs, diuretics):** May decrease antihypertensive efficacy and increase risk of renal impairment.
* **Methotrexate:** Increased methotrexate toxicity.
* **Antigout medications (e.g., probenecid):** Aspirin can interfere with the uricosuric effect.
* **Alcohol:** Increased risk of GI irritation and bleeding.
* **SSRIs:** Increased risk of bleeding, particularly in the GI tract.
## Monitoring
* **GI Symptoms:** Monitor for signs and symptoms of gastrointestinal distress, bleeding, or ulceration.
* **Bleeding:** Monitor for unusual bruising, prolonged bleeding from cuts, epistaxis, or blood in stool.
* **Renal Function:** Monitor in patients with risk factors for renal impairment or on higher doses.
* **Liver Function:** Monitor in patients with risk factors for hepatic impairment or on higher doses.
* **Tinnitus/Hearing:** Assess for tinnitus or hearing changes, especially with higher doses.
## Clinical Pearls
* The enteric coating delays absorption, meaning it may take longer to achieve therapeutic effects for acute pain or fever compared to non-enteric-coated aspirin.
* For acute cardiovascular events (e.g., suspected MI), prompt administration of non-enteric-coated aspirin (chewed) is preferred for faster absorption.
* Consistent daily use is crucial for antiplatelet efficacy.
* Patients should be advised to avoid concurrent use of other NSAIDs unless specifically recommended by a healthcare provider.
* Inform patients about the risk of Reye's syndrome and to avoid aspirin in children/adolescents with viral illnesses.
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*Disclaimer: This information is intended for healthcare professionals and is not a substitute for professional medical advice. Always consult the most current prescribing information and relevant clinical guidelines before making any treatment decisions. Drug information can change rapidly.*
