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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 absorption and reduce gastric irritation.
## Primary Indications
* **Cardiovascular prophylaxis:** Prevention of myocardial infarction and stroke in patients with established cardiovascular disease or risk factors.
* **Analgesia and antipyresis:** For mild to moderate pain and fever.
## Adult Dosing
* **Cardiovascular prophylaxis:** Typically 75 mg to 325 mg once daily. Lower doses (e.g., 75-100 mg) are often preferred for long-term secondary prevention.
* **Analgesia/Antipyresis:** 325 mg to 650 mg every 4 to 6 hours as needed. Maximum daily dose generally 4000 mg.
## Pediatric Dosing
Aspirin is generally **not recommended** for children and teenagers due to the risk of Reye's syndrome, especially during viral illnesses (e.g., influenza, varicella). Use in pediatric patients should be guided by specific clinical indications and specialist consultation.
## Dose Adjustments
No specific dose adjustments are typically required for renal or hepatic impairment, but caution is advised, especially in severe disease, due to potential for exacerbation and increased risk of bleeding.
## Contraindications
* Hypersensitivity to aspirin, salicylates, or NSAIDs.
* Asthma, urticaria, or allergic-type reactions after taking aspirin or NSAIDs.
* Active peptic ulceration or gastrointestinal bleeding.
* Children and teenagers with viral infections (risk of Reye's syndrome).
* Bleeding disorders.
## Adverse Effects
Common: Dyspepsia, heartburn, nausea, vomiting, abdominal pain.
Serious:
* Gastrointestinal bleeding, ulceration, perforation.
* Hemorrhage (including intracranial and pulmonary).
* Tinnitus, hearing loss (especially at higher doses).
* Bronchospasm.
* Renal impairment.
* Reye's syndrome (in children).
## 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.
* **Antihypertensives (e.g., ACE inhibitors, ARBs, beta-blockers):** Aspirin can reduce their efficacy.
* **Methotrexate:** Increased methotrexate toxicity.
* **Valproic acid:** Aspirin can displace valproic acid from protein-binding sites, increasing free valproate levels.
* **Uricosuric agents (e.g., probenecid):** Aspirin can antagonize the uricosuric effect.
## Monitoring
* Signs and symptoms of GI bleeding (melena, hematemesis, abdominal pain).
* Signs and symptoms of hypersensitivity.
* Tinnitus or hearing changes.
* Renal function, especially in patients with pre-existing renal disease or those at risk.
## Clinical Pearls
* The enteric coating allows aspirin to pass through the stomach largely undissolved, reducing direct gastric irritation, but absorption is delayed and can be variable.
* For acute antiplatelet effects (e.g., acute coronary syndrome), non-enteric coated aspirin is typically preferred for faster absorption.
* Patients should be advised to avoid alcohol while taking aspirin due to increased risk of GI bleeding.
* Discontinue aspirin several days prior to elective surgery if clinically appropriate, based on surgical risk and bleeding potential.
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**Disclaimer:** This information is intended for healthcare professionals. Always consult the official prescribing information and relevant clinical guidelines for the most current and comprehensive drug information before making any clinical decisions. Dosing and management may vary based on individual patient factors and local protocols.
