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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 anti-inflammatory properties. Its antiplatelet effect is also clinically significant. The enteric coating is designed to reduce gastrointestinal irritation by delaying the dissolution of the tablet until it reaches the more alkaline environment of the small intestine.
## Primary Indications
* **Pain and Inflammation:** Mild to moderate pain and inflammatory conditions.
* **Cardiovascular Prevention:** Secondary prevention of myocardial infarction and stroke; primary prevention in select high-risk individuals.
* **Rheumatic Fever Prophylaxis:** Treatment and prophylaxis of rheumatic fever.
## Adult Dosing
* **Pain and Inflammation:**
* 325 mg to 650 mg orally every 4 to 6 hours as needed.
* Maximum daily dose generally not to exceed 4000 mg.
* **Cardiovascular Prevention:**
* **Secondary Prevention:** 75 mg to 325 mg orally once daily.
* **Primary Prevention:** Dosing varies based on risk assessment, typically 75 mg to 100 mg orally once daily. Decisions should be individualized.
* **Rheumatic Fever:**
* **Treatment:** 650 mg to 1000 mg orally every 4 to 6 hours.
* **Prophylaxis:** 75 mg to 100 mg orally once daily.
**Note:** Dosing for cardiovascular indications and specific antiplatelet regimens should align with current guideline recommendations and institutional protocols.
## Pediatric Dosing
Aspirin is generally **contraindicated** in children and teenagers with viral infections (such as influenza or varicella) due to the risk of Reye's syndrome.
* For other indications where aspirin may be considered in children (e.g., Kawasaki disease, juvenile idiopathic arthritis), specific dosing regimens are used and should be guided by expert pediatric rheumatology or infectious disease recommendations. Doses for these indications are typically higher and require careful monitoring. For example, for Kawasaki disease, initial doses may be 80-100 mg/kg/day divided every 6 hours, followed by a lower maintenance dose.
## Dose Adjustments
* **Renal Impairment:** Use with caution; dose reduction may be considered in severe renal impairment, though specific guidelines are lacking. Monitor for signs of toxicity.
* **Hepatic Impairment:** Use with caution; monitor liver function.
## Contraindications
* Known hypersensitivity to aspirin, salicylates, or NSAIDs.
* Asthma, urticaria, or other allergic-type reactions after taking aspirin or other NSAIDs.
* Children and teenagers with viral infections (risk of Reye's syndrome).
* Active peptic ulceration or gastrointestinal bleeding.
* Severe hepatic insufficiency.
* Severe renal insufficiency.
* Third trimester of pregnancy.
* Hemophilia and other bleeding disorders.
## Adverse Effects
* **Gastrointestinal:** Dyspepsia, heartburn, nausea, vomiting, abdominal pain, GI bleeding, ulceration. Enteric coating may reduce but not eliminate this risk.
* **Hematologic:** Increased bleeding time, bruising, epistaxis, petechiae.
* **Hypersensitivity:** Bronchospasm, urticaria, angioedema.
* **Auditory:** Tinnitus, hearing loss (especially at higher doses).
* **Renal:** Acute kidney injury, interstitial nephritis.
* **Hepatic:** Elevated liver enzymes, hepatic dysfunction.
* **Reye's Syndrome:** In children and teenagers with viral infections.
## Key Drug Interactions
* **Anticoagulants (e.g., warfarin, DOACs):** Increased risk of bleeding.
* **Other NSAIDs and COX-2 Inhibitors:** Increased risk of GI toxicity, renal toxicity, and bleeding.
* **Corticosteroids:** Increased risk of GI ulceration and bleeding.
* **Antihypertensives (e.g., ACE inhibitors, ARBs, beta-blockers, diuretics):** NSAIDs can reduce their efficacy and increase risk of renal dysfunction.
* **Methotrexate:** Increased methotrexate toxicity.
* **Uricosuric agents (e.g., probenecid):** Aspirin can decrease the efficacy of uricosuric agents.
* **Selective Serotonin Reuptake Inhibitors (SSRIs):** Increased risk of bleeding.
* **Valproic Acid:** Aspirin can displace valproic acid from protein-binding sites, potentially increasing levels.
## Monitoring
* **GI Symptoms:** Monitor for signs of dyspepsia, pain, or bleeding (e.g., melena, hematemesis).
* **Bleeding:** Monitor for increased bruising, prolonged bleeding from cuts, epistaxis.
* **Renal Function:** Particularly in patients with pre-existing renal disease or those taking other nephrotoxic agents.
* **Hepatic Function:** If long-term or high-dose therapy is used, or in patients with hepatic impairment.
* **Tinnitus:** May indicate salicylate toxicity.
## Clinical Pearls
* The enteric coating delays absorption and may reduce the incidence of gastric irritation compared to non-enteric-coated aspirin. However, it does not eliminate the risk of GI bleeding or ulceration, especially with chronic use or higher doses.
* For antiplatelet therapy, patients should ideally take their dose at the same time each day.
* Patients should be advised to avoid alcohol while taking aspirin to minimize GI risks.
* Discontinue aspirin several days before elective surgery or procedures where its antiplatelet effect is undesirable, as per surgical or procedural guidelines.
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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 guidelines before making clinical decisions.*
