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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, potentially reducing gastric irritation.
## Primary Indications
* **Cardiovascular risk reduction:** Prevention of myocardial infarction (MI) and stroke in patients with established cardiovascular disease or at high risk.
* **Analgesia and antipyresis:** Relief of mild to moderate pain and fever.
* **Inflammation:** Management of inflammatory conditions (less common use for enteric-coated formulations due to slower onset).
## Adult Dosing
* **Cardiovascular prophylaxis:** 75-100 mg once daily. Higher doses (e.g., 325 mg) may be used initially in some acute settings, but lower doses are preferred for long-term secondary prevention.
* **Analgesia/Antipyresis:** 325-650 mg every 4-6 hours as needed. Maximum daily dose is typically 4000 mg.
* **Rheumatic fever prophylaxis:** 50-100 mg/kg/day divided every 4-6 hours. Maximum daily dose is 4000 mg.
## Pediatric Dosing
* **Analgesia/Antipyresis:** Generally **avoided** in children and teenagers due to the risk of Reye's syndrome, especially during viral illnesses (e.g., influenza, varicella).
* **Rheumatic fever prophylaxis:** As per adult dosing guidelines, 50-100 mg/kg/day divided every 4-6 hours. Maximum daily dose is 4000 mg.
## Dose Adjustments
No specific dose adjustments are typically required for hepatic or renal impairment, but caution is advised. In severe renal impairment, reduced doses may be considered.
## Contraindications
* Hypersensitivity to aspirin, salicylates, or NSAIDs.
* History of aspirin-induced asthma, urticaria, or allergic-type reactions.
* Active peptic ulceration or gastrointestinal bleeding.
* Children and teenagers with viral infections (risk of Reye's syndrome).
* Severe hepatic or renal impairment.
* Late pregnancy (third trimester).
## Adverse Effects
* **Common:** Dyspepsia, heartburn, nausea, abdominal pain.
* **Serious:** Gastrointestinal bleeding, ulceration, tinnitus (especially at higher doses), bronchospasm, urticaria, angioedema, Reye's syndrome (in children/teenagers with viral illness), hemorrhagic stroke, nephrotoxicity.
## Key Drug Interactions
* **Anticoagulants (e.g., warfarin, heparin, DOACs):** Increased risk of bleeding.
* **Other NSAIDs:** Additive risk of GI toxicity and bleeding.
* **Corticosteroids:** Increased risk of GI ulceration and bleeding.
* **SSRIs/SNRIs:** Increased risk of bleeding.
* **Methotrexate:** Increased methotrexate toxicity due to decreased renal clearance.
* **Antihypertensives (e.g., ACE inhibitors, ARBs, beta-blockers):** Reduced efficacy of antihypertensives.
* **Uricosuric agents (e.g., probenecid):** Reduced uricosuric effect.
## Monitoring
* **GI symptoms:** Monitor for signs of bleeding (melena, hematemesis) or discomfort.
* **Renal function:** Monitor serum creatinine and BUN, particularly in patients with pre-existing renal disease or those on concomitant nephrotoxic agents.
* **Platelet function:** May be relevant in specific contexts, though typically not routinely monitored for prophylactic use.
* **Tinnitus:** May indicate excessive dosage.
## Clinical Pearls
* The enteric coating should **not** be crushed or chewed.
* Aspirin is generally preferred over other NSAIDs for long-term cardiovascular protection due to its potent antiplatelet effect and established benefit.
* The risk of GI bleeding is dose-dependent and increases with age and history of ulcers. Concomitant use of proton pump inhibitors (PPIs) may be considered to reduce GI risk in high-risk patients.
* In cases of acute bleeding or before surgery, aspirin's antiplatelet effect can persist for the life of the platelet (7-10 days).
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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 professional guidelines before making any treatment decisions.*
