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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 until the drug reaches the small intestine, reducing gastric irritation.
## Primary Indications
* **Pain and Inflammation:** Mild to moderate pain and inflammation associated with conditions like arthritis, musculoskeletal disorders, and dysmenorrhea.
* **Cardiovascular Prevention:** Secondary prevention of cardiovascular events (myocardial infarction, stroke) in patients with established cardiovascular disease. Primary prevention is controversial and depends on risk assessment.
* **Rheumatic Fever Prophylaxis:** In some regions, used for prevention of rheumatic fever recurrence.
## Adult Dosing
* **Pain and Inflammation:**
* Typical dose: 325 mg to 650 mg orally every 4 to 6 hours as needed.
* Maximum dose: Generally up to 4000 mg per day, but lower doses are often preferred to minimize toxicity.
* **Cardiovascular Prevention (Secondary):**
* Low-dose aspirin: 75 mg to 100 mg orally once daily. Some protocols may use up to 325 mg orally once daily.
* **Cardiovascular Prevention (Primary):**
* Dosing varies based on individual risk assessment and guidelines. Typically low-dose aspirin (e.g., 75 mg to 100 mg daily) may be considered in select individuals.
## Pediatric Dosing
* **Pain and Inflammation:** Dosing is typically based on body weight. A common starting point is 10 mg/kg to 15 mg/kg orally every 4 to 6 hours. Maximum pediatric dose is generally 60 mg/kg per day or 4000 mg per day, whichever is less.
* **Kawasaki Disease:** Dosing varies significantly based on the phase of illness (acute vs. chronic) and the presence of coronary artery abnormalities. **This requires specific guidance from a pediatric rheumatologist or cardiologist.**
* **Reye's Syndrome:** Aspirin is **contraindicated** in children and adolescents with viral illnesses 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. In severe hepatic or renal dysfunction, lower doses and increased monitoring may be warranted.
## Contraindications
* Known hypersensitivity to aspirin or other NSAIDs.
* Asthma, urticaria, or other allergic-type reactions after taking aspirin or other NSAIDs.
* Children and adolescents with viral infections (e.g., influenza, varicella) due to the risk of Reye's syndrome.
* Active peptic ulceration or gastrointestinal bleeding.
* History of gastrointestinal bleeding or perforation related to prior NSAID use.
* Severe heart failure.
* Third trimester of pregnancy (may cause premature closure of the ductus arteriosus).
## Adverse Effects
* **Gastrointestinal:** Dyspepsia, heartburn, nausea, abdominal pain, gastritis, peptic ulceration, GI bleeding.
* **Hematologic:** Increased bleeding time, bruising, petechiae, epistaxis.
* **Hypersensitivity:** Bronchospasm, urticaria, angioedema.
* **Renal:** NSAID-induced nephropathy.
* **Other:** Tinnitus, dizziness, headache.
## Key Drug Interactions
* **Anticoagulants (e.g., warfarin, heparin, DOACs):** Increased risk of bleeding.
* **Other NSAIDs (including COX-2 inhibitors):** Increased risk of GI toxicity and may reduce the cardioprotective effect of low-dose aspirin.
* **Corticosteroids:** Increased risk of GI ulceration and bleeding.
* **Antihypertensives (e.g., ACE inhibitors, ARBs, diuretics):** NSAIDs may blunt the antihypertensive effect and increase the risk of renal dysfunction.
* **Methotrexate:** Aspirin may increase methotrexate toxicity.
* **Selective Serotonin Reuptake Inhibitors (SSRIs):** Increased risk of bleeding, particularly in the GI tract.
* **Uricosuric agents (e.g., probenecid):** Aspirin can interfere with the uricosuric effect.
## Monitoring
* **Signs and symptoms of GI bleeding:** Melena, hematemesis, abdominal pain.
* **Signs and symptoms of bleeding:** Easy bruising, prolonged bleeding from cuts, epistaxis.
* **Renal function:** Especially in patients with pre-existing renal disease, dehydration, or those on concomitant nephrotoxic agents.
* **Platelet function:** If used for antiplatelet therapy, though routine monitoring is not typically required for low-dose aspirin.
* **Tinnitus:** Can be an early sign of salicylism (aspirin toxicity).
## Clinical Pearls
* The enteric coating helps protect the stomach lining but does not eliminate the risk of systemic side effects or bleeding.
* Low-dose aspirin for cardiovascular prevention should be taken consistently.
* Discontinue aspirin at least 5 to 7 days before elective surgery to minimize bleeding risk.
* Patients should be advised to avoid concurrent use of alcohol, which can increase GI irritation and bleeding risk.
* Always verify current prescribing information for specific indications, dosing, and contraindications.
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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 any treatment decisions.*
