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## Overview
Ecospirin (aspirin) is a nonsteroidal anti-inflammatory drug (NSAID) with analgesic, antipyretic, and antiplatelet properties. This formulation is enteric-coated, designed to reduce gastric irritation.
## Primary Indications
* Pain and inflammation (mild to moderate)
* Fever reduction
* Prevention of cardiovascular events (e.g., myocardial infarction, stroke) in specific patient populations
## Adult Dosing
Dosing varies significantly by indication.
* **Analgesic/Antipyretic:** 325 mg to 1000 mg orally every 4-6 hours as needed. Maximum daily dose: 4000 mg.
* **Antiplatelet (Cardiovascular Prevention):** Typically 75 mg to 325 mg orally once daily. Specific dosing often guided by clinical guidelines and physician discretion.
## Pediatric Dosing
Aspirin is generally **not recommended** in children and adolescents under 19 years of age with viral infections (e.g., influenza, varicella) due to the risk of Reye's syndrome. When indicated for other reasons, dosing should be carefully considered and is often weight-based. Consult specific pediatric guidelines for appropriate indications and dosing.
## Dose Adjustments
No specific dose adjustments are typically required for renal or hepatic impairment, but caution is advised, especially in severe impairment, due to potential for accumulation and increased adverse effects.
## Contraindications
* Hypersensitivity to aspirin, salicylates, or NSAIDs
* History of aspirin-induced asthma or urticaria
* Active peptic ulcer disease
* Bleeding disorders
* Children and adolescents with viral infections (risk of Reye's syndrome)
* Severe hepatic or renal impairment
## Adverse Effects
* Gastrointestinal: Dyspepsia, nausea, vomiting, abdominal pain, bleeding, ulceration. Enteric coating may reduce but not eliminate this risk.
* Hematologic: Increased bleeding time, bruising, epistaxis.
* Hypersensitivity reactions: Bronchospasm, urticaria, angioedema.
* Tinnitus (especially at higher doses)
* Reye's syndrome (in children/adolescents with viral illness)
## Key Drug Interactions
* **Anticoagulants (e.g., warfarin, heparin, DOACs):** Increased risk of bleeding.
* **Other NSAIDs and Salicylates:** Additive gastrointestinal and bleeding risks.
* **Corticosteroids:** Increased risk of gastrointestinal ulceration and bleeding.
* **Antihypertensives:** May reduce the efficacy of some antihypertensives.
* **Methotrexate:** Aspirin can increase methotrexate toxicity.
* **Uricosuric agents (e.g., probenecid):** May decrease the efficacy of uricosuric agents.
## Monitoring
* Signs and symptoms of gastrointestinal bleeding (melena, hematemesis, abdominal pain).
* Signs of excessive bruising or bleeding.
* Renal function, especially with long-term use or in patients with risk factors for renal impairment.
* Auditory assessment for tinnitus, particularly at higher doses.
## Clinical Pearls
* The enteric coating is designed to delay absorption and minimize gastric irritation. It should not be crushed or chewed.
* Aspirin's antiplatelet effect is irreversible and lasts for the life of the platelet (7-10 days).
* Dose-dependent relationship for both therapeutic effects and adverse effects, particularly gastrointestinal toxicity and tinnitus.
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*This information is intended for clinical decision support and does not replace a thorough review of the most current prescribing information or consultation with a medical professional. Always verify drug information with official sources.*
