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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 delay the dissolution of the tablet until it reaches the small intestine, potentially reducing gastric irritation.
## Primary Indications
* **Cardioprotection/Secondary Prevention:** Prevention of cardiovascular events (myocardial infarction, stroke) in patients with established cardiovascular disease.
* **Primary Prevention:** Prevention of cardiovascular events in select patients at increased risk (decisions should be individualized based on risk assessment).
* **Analgesia and Antipyresis:** Mild to moderate pain and fever.
## Adult Dosing
* **Cardioprotection/Secondary Prevention:** Typically **75 mg to 162 mg** once daily.
* **Primary Prevention:** Dosing varies; commonly **75 mg to 162 mg** once daily. Decision to initiate should be based on risk factors and bleeding risk.
* **Analgesia and Antipyresis:** **325 mg to 650 mg** every 4 to 6 hours as needed. Maximum daily dose typically **4000 mg**.
## Pediatric Dosing
* **Analgesia and Antipyresis:** Generally **10 mg/kg/dose to 15 mg/kg/dose** every 4 to 6 hours. **Avoid aspirin in children and teenagers with viral infections due to the risk of Reye's syndrome.** Specific pediatric indications are limited and should be guided by expert consensus or specialist advice.
## Dose Adjustments
No specific dose adjustments are routinely required for renal or hepatic impairment, but caution is advised. Use in severe hepatic or renal impairment is generally not recommended.
## Contraindications
* Hypersensitivity to aspirin, salicylates, NSAIDs, or any component of the formulation.
* History of asthma, urticaria, or other allergic-type reactions after taking aspirin or other NSAIDs.
* Active peptic ulceration or gastrointestinal bleeding.
* Bleeding disorders (e.g., hemophilia).
* Children and teenagers with viral infections (risk of Reye's syndrome).
* Severe hepatic or renal impairment.
* Third trimester of pregnancy.
## Adverse Effects
Common: Gastrointestinal upset, heartburn, nausea.
Serious:
* **Gastrointestinal:** Gastric erosion, ulceration, bleeding, perforation.
* **Hematologic:** Increased bleeding time, bruising, petechiae, hemorrhage.
* **Hypersensitivity:** Bronchospasm, urticaria, angioedema, anaphylaxis.
* **Ototoxicity:** Tinnitus, hearing loss (especially at higher doses).
* **Reye's Syndrome:** In children and teenagers with viral infections.
## Key Drug Interactions
* **Anticoagulants (e.g., warfarin, heparin, DOACs) and Antiplatelets (e.g., clopidogrel):** Increased risk of bleeding.
* **Corticosteroids:** Increased risk of gastrointestinal ulceration and bleeding.
* **Methotrexate:** Aspirin can increase methotrexate toxicity.
* **NSAIDs:** Additive risk of gastrointestinal toxicity and potential for reduced aspirin's cardioprotective effect.
* **Antihypertensives (e.g., ACE inhibitors, ARBs, beta-blockers):** NSAIDs may reduce their efficacy.
* **Uricosuric agents (e.g., probenecid):** Aspirin can reduce the efficacy of uricosuric agents.
* **Valproic Acid:** Aspirin can displace valproic acid from plasma proteins, increasing free valproic acid concentrations.
## Monitoring
* **Signs and symptoms of gastrointestinal bleeding:** Melena, hematemesis, abdominal pain.
* **Signs and symptoms of increased bleeding:** Easy bruising, prolonged bleeding from cuts, epistaxis.
* **Renal function:** Especially in patients with pre-existing renal disease or those taking other nephrotoxic agents.
* **Tinnitus or hearing changes:** May indicate salicylism or excessive dosage.
## Clinical Pearls
* The enteric coating may delay absorption, but aspirin is still a potent antiplatelet agent once absorbed.
* Despite the enteric coating, gastrointestinal adverse effects can still occur. Taking with food or milk may help some patients, but does not eliminate the risk.
* Patients should not switch between regular aspirin and enteric-coated aspirin without consulting their healthcare provider, especially for cardioprotective indications, as absorption profiles may differ slightly.
* Lowest effective dose should be used, particularly for chronic indications like cardioprotection.
* Discontinue aspirin at least 5-7 days prior to elective surgery, if feasible, after consulting with the prescribing physician.
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*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.*
