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# Ecospirin (Aspirin, Enteric-Coated)
## Overview
Ecospirin is an enteric-coated formulation of aspirin, a nonsteroidal anti-inflammatory drug (NSAID) that inhibits cyclooxygenase (COX) enzymes, thereby reducing prostaglandin synthesis. The enteric coating delays dissolution until the small intestine, which may reduce gastric irritation.
## Primary Indications
* Prevention of cardiovascular events (e.g., myocardial infarction, stroke) in patients with established cardiovascular disease, risk factors, or after certain procedures.
* Symptomatic relief of mild to moderate pain and fever (less common indication for enteric-coated due to delayed onset).
## Adult Dosing
* **Cardiovascular Prevention:** Typically 75 mg to 162 mg once daily. Specific dosing may vary based on indication and local protocols.
* **Pain/Fever:** Doses range from 325 mg to 650 mg every 4 to 6 hours as needed. Maximum daily dose is generally 4000 mg, but lower doses are often preferred for chronic use.
## Pediatric Dosing
Aspirin is generally **contraindicated** in children and adolescents for viral infections due to the risk of Reye's syndrome. Specific indications and dosing in pediatric populations are limited and should be guided by expert consultation and strict indications.
## Dose Adjustments
No dose adjustment is typically required for renal or hepatic impairment, though caution is advised, especially in severe disease. Aspirin is highly protein-bound, but this does not usually necessitate dose adjustments.
## Contraindications
* Hypersensitivity to aspirin, salicylates, NSAIDs, or any component of the formulation.
* Active peptic ulceration or gastrointestinal bleeding.
* History of aspirin-induced asthma.
* Children and adolescents with viral infections.
* Severe hepatic or renal impairment.
* Late pregnancy (third trimester).
## Adverse Effects
* **Gastrointestinal:** Dyspepsia, nausea, vomiting, abdominal pain, erosions, ulcers, bleeding.
* **Hematologic:** Increased bleeding risk, bruising, thrombocytopenia.
* **Hypersensitivity:** Bronchospasm, urticaria, angioedema.
* **Other:** Tinnitus (especially at higher doses), dizziness, headache, Reye's syndrome (in children/adolescents).
## Key Drug Interactions
* **Anticoagulants (e.g., warfarin, DOACs):** Significantly increased bleeding risk.
* **Other NSAIDs and Salicylates:** Increased risk of GI toxicity and bleeding.
* **Corticosteroids:** Increased risk of GI ulceration and bleeding.
* **Alcohol:** Increased risk of GI irritation and bleeding.
* **Methotrexate:** Increased methotrexate toxicity.
* **Antihypertensives (e.g., ACE inhibitors, ARBs, diuretics):** Reduced antihypertensive effect, increased risk of renal dysfunction.
## Monitoring
* Signs and symptoms of gastrointestinal bleeding (melena, hematemesis, abdominal pain).
* Signs and symptoms of bleeding elsewhere (bruising, epistaxis, menorrhagia).
* Renal function and electrolytes, especially in patients with pre-existing kidney disease or those taking concomitant nephrotoxic agents.
* Tinnitus, if present, may indicate therapeutic excess.
## Clinical Pearls
* The enteric coating is designed to bypass the stomach; do not crush, chew, or break the tablet to maintain its integrity and efficacy.
* Should be taken consistently at the same time each day.
* For cardiovascular prevention, the lowest effective dose is generally used.
* Patients should be advised to inform their healthcare provider before any surgery or dental procedure, as aspirin may need to be discontinued temporarily due to bleeding risk.
This information is intended for healthcare professionals. Always consult the most current prescribing information and relevant guidelines before making clinical decisions.
