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## Overview
Ecospirin is an enteric-coated aspirin formulation. Aspirin is a nonsteroidal anti-inflammatory drug (NSAID) with analgesic, anti-inflammatory, and antipyretic properties. The enteric coating is designed to delay absorption and reduce gastric irritation.
## Primary Indications
* Pain and fever
* Inflammatory conditions (e.g., rheumatoid arthritis)
* Cardiovascular protection (low-dose aspirin)
## Adult Dosing
* **Analgesia/Antipyresis:** 325 mg to 650 mg every 4-6 hours as needed. Maximum: 4000 mg/day.
* **Anti-inflammatory:** 2.6 g to 5.4 g per day divided into 3-5 doses. Maximum: 8000 mg/day.
* **Cardiovascular Protection:** 81 mg to 325 mg once daily.
## Pediatric Dosing
* **Analgesia/Antipyresis:** 10 mg/kg/dose to 15 mg/kg/dose every 4-6 hours. Maximum: 4000 mg/day.
* **Kawasaki Disease:** Dosing varies significantly based on phase of illness and clinical status. Often starts with 80-100 mg/kg/day divided into 4 doses, then transitions to 3-5 mg/kg/day once daily. **Consult specific pediatric cardiology guidelines.**
**Note:** Aspirin should generally be avoided in children and adolescents with viral infections due to the risk of Reye's syndrome.
## Dose Adjustments
No specific dose adjustments are typically required for hepatic or renal impairment, but caution is advised. Monitor patients closely for adverse effects.
## Contraindications
* Hypersensitivity to aspirin, salicylates, or NSAIDs.
* 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.
* Hemophilia and other bleeding disorders.
## Adverse Effects
* Gastrointestinal: Dyspepsia, heartburn, nausea, vomiting, abdominal pain, GI bleeding, ulceration.
* Hematologic: Increased bleeding time, bruising.
* Hypersensitivity: Bronchospasm, allergic reactions.
* Other: Tinnitus, dizziness.
## Key Drug Interactions
* **Anticoagulants (e.g., warfarin, heparin, DOACs):** Increased risk of bleeding.
* **Other NSAIDs and COX-2 inhibitors:** Increased risk of GI toxicity.
* **Corticosteroids:** Increased risk of GI toxicity.
* **Methotrexate:** Increased methotrexate toxicity.
* **Valproic acid:** Increased valproic acid levels and toxicity.
* **Antihypertensives:** May reduce efficacy of antihypertensives.
* **Uricosuric agents (e.g., probenecid):** May reduce efficacy of uricosuric agents.
## Monitoring
* Signs of GI bleeding (melena, hematemesis).
* Signs of bleeding or bruising.
* Renal function, especially in patients with pre-existing renal disease or those on other nephrotoxic agents.
* Liver function tests, particularly with long-term or high-dose use.
* Tinnitus or hearing changes (may indicate toxicity).
## Clinical Pearls
* Enteric-coated aspirin should not be crushed or chewed; it must be swallowed whole to maintain its protective coating.
* Absorption may be delayed and variable compared to non-coated aspirin.
* Even enteric-coated formulations can cause GI irritation and bleeding; consider concomitant gastroprotective agents (e.g., PPIs) if significant GI risk factors are present.
* The risk of Reye's syndrome in children and adolescents necessitates careful consideration of aspirin use in this population, especially during febrile viral illnesses.
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**Disclaimer:** This information is intended for healthcare professionals. Always consult the current prescribing information and institutional protocols before making clinical decisions.
