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# Ecospirin Enteric-Coated Aspirin
## Overview
Ecospirin is a brand name for **enteric-coated aspirin**. Aspirin is 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, which may reduce gastric irritation.
## Primary Indications
* **Cardiovascular prophylaxis:** Prevention of myocardial infarction, stroke, and cardiovascular death in patients with established cardiovascular disease or at high risk.
* **Pain and fever:** Relief of mild to moderate pain and reduction of fever (though typically not the first-line agent for these indications when safer alternatives exist).
* **Rheumatic fever prophylaxis:** Prevention of recurrent rheumatic fever.
* **Kawasaki disease:** Management of Kawasaki disease.
## Adult Dosing
* **Cardiovascular prophylaxis:**
* **Primary Prevention:** Generally, 75-100 mg once daily. Risk/benefit should be carefully assessed.
* **Secondary Prevention:** 75-100 mg once daily, or 325 mg once daily (especially acutely after cardiovascular events). Dosing may vary based on clinical context and local guidelines.
* **Pain and fever:**
* 325 mg to 650 mg every 4 to 6 hours as needed.
* Maximum daily dose: 4000 mg.
* **Rheumatic fever prophylaxis:** 60-100 mg/kg/day divided into 2-4 doses. Maximum 3-4 g/day.
* **Kawasaki disease:**
* **Acute phase:** 80-100 mg/kg/day divided into 4 doses.
* **Subacute phase (after afebrile for 2-3 days):** 3-5 mg/kg once daily.
## Pediatric Dosing
* **Pain and fever:** Generally **avoided** in children and adolescents due to the risk of Reye's syndrome, especially during viral illnesses. If absolutely indicated and no safer alternative, consult specific guidelines.
* **Rheumatic fever prophylaxis:** 60-100 mg/kg/day divided into 2-4 doses. Maximum 3-4 g/day.
* **Kawasaki disease:**
* **Acute phase:** 80-100 mg/kg/day divided into 4 doses.
* **Subacute phase (after afebrile for 2-3 days):** 3-5 mg/kg once daily.
## Dose Adjustments
* **Renal impairment:** Use with caution. Higher doses may require dose reduction or avoidance in severe renal impairment.
* **Hepatic impairment:** Use with caution.
## Contraindications
* Hypersensitivity to aspirin, salicylates, NSAIDs, or any component of the formulation.
* History of aspirin-induced asthma, urticaria, or other allergic-type reactions.
* Active peptic ulceration or gastrointestinal bleeding.
* Children and adolescents with viral infections (risk of Reye's syndrome).
* Severe hepatic impairment.
* Severe renal impairment.
* Third trimester of pregnancy.
## Adverse Effects
* **Gastrointestinal:** Dyspepsia, heartburn, nausea, vomiting, abdominal pain, occult bleeding, frank GI hemorrhage, peptic ulceration.
* **Hematologic:** Increased bleeding time, bruising, petechiae, epistaxis.
* **Auditory:** Tinnitus, hearing loss (especially at higher doses).
* **Respiratory:** Bronchospasm, exacerbation of asthma (especially in aspirin-sensitive individuals).
* **Renal:** Renal insufficiency, interstitial nephritis (rare).
* **Dermatologic:** Rash, urticaria.
* **Other:** Reye's syndrome (in children/adolescents with viral illness), hypersensitivity reactions.
## Key Drug Interactions
* **Anticoagulants (e.g., warfarin, heparin, DOACs):** Increased risk of bleeding.
* **Other NSAIDs and COX-2 inhibitors:** Increased risk of GI toxicity and bleeding.
* **Corticosteroids:** Increased risk of GI ulceration and bleeding.
* **Alcohol:** Increased risk of GI bleeding.
* **Methotrexate:** Aspirin can increase methotrexate toxicity.
* **Uricosuric agents (e.g., probenecid):** Aspirin may antagonize the effect of uricosuric agents.
* **Antihypertensives (e.g., ACE inhibitors, ARBs, beta-blockers, diuretics):** NSAIDs can reduce the efficacy of these agents.
* **Valproic acid:** Aspirin may displace valproic acid from protein-binding sites, increasing free valproic acid levels.
## Monitoring
* **Signs and symptoms of GI bleeding:** Melena, hematemesis, abdominal pain.
* **Signs and symptoms of bleeding:** Bruising, petechiae, epistaxis, prolonged bleeding from cuts.
* **Renal function:** Especially in patients with pre-existing renal disease or those on concomitant nephrotoxic agents.
* **Auditory function:** Tinnitus or hearing changes, particularly with chronic high-dose use.
* **For Kawasaki disease:** Monitor for response to treatment and signs of coronary artery aneurysm.
## Clinical Pearls
* The enteric coating can delay absorption, so onset of action may be slower compared to non-enteric coated formulations.
* Do not crush or chew enteric-coated tablets, as this will defeat the purpose of the coating and increase gastric irritation.
* Aspirin is generally not recommended for routine pain and fever management in children and adolescents due to the risk of Reye's syndrome.
* Patients taking aspirin for cardiovascular protection should be advised to avoid concomitant use of other NSAIDs (including over-the-counter ibuprofen and naproxen) unless specifically directed by their healthcare provider, as these can interfere with aspirin's antiplatelet effect.
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**Disclaimer:** This information is intended for healthcare professionals. Always consult the most current prescribing information and institutional protocols for complete details, as product information may vary and change over time.
