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# Ecospirin (Aspirin Enteric-Coated)
## Overview
Ecospirin is an enteric-coated formulation of aspirin, a nonsteroidal anti-inflammatory drug (NSAID) that inhibits cyclooxygenase (COX) enzymes, reducing prostaglandin synthesis. The enteric coating is designed to delay absorption until the drug reaches the small intestine, which may reduce gastric irritation.
## Primary Indications
* **Cardiovascular risk reduction:** Prevention of myocardial infarction and stroke in patients with known cardiovascular disease or at high risk.
* **Pain and fever:** Analgesic and antipyretic effects (less common with enteric-coated due to delayed absorption).
* **Inflammatory conditions:** Anti-inflammatory effects (less common with enteric-coated due to delayed absorption).
## Adult Dosing
Dosing is highly dependent on indication and local protocol.
* **Cardiovascular Prevention:**
* **Secondary Prevention:** Typically 75 mg to 162 mg once daily.
* **Primary Prevention:** Dosing varies; often 81 mg or 100 mg once daily, or 75 mg to 162 mg every other day, depending on risk assessment and physician guidance.
* **Pain/Fever/Inflammation:** Typically 325 mg to 650 mg every 4 to 6 hours as needed. Maximum daily dose is generally 4000 mg. Dosing for inflammatory conditions can be higher.
## Pediatric Dosing
Aspirin is generally **contraindicated** in children and adolescents with viral illnesses (e.g., influenza, varicella) due to the risk of Reye's syndrome. Specific pediatric dosing for other indications is not well-established for this formulation and should only be used under expert guidance and with extreme caution.
## Dose Adjustments
No specific dose adjustments are typically required for renal or hepatic impairment, but caution is advised. Patients with severe renal or hepatic dysfunction should be monitored closely.
## Contraindications
* Known hypersensitivity to aspirin, salicylates, or NSAIDs.
* Children and adolescents with viral infections.
* Active peptic ulceration or gastrointestinal bleeding.
* Bleeding disorders (e.g., hemophilia).
* Severe heart failure, renal, or hepatic failure.
* Late pregnancy (third trimester).
## Adverse Effects
Common: Gastric upset, dyspepsia, heartburn, nausea.
Serious: Gastrointestinal bleeding, peptic ulceration, tinnitus, hearing loss, bronchospasm (especially in aspirin-sensitive asthmatics), Reye's syndrome (in children/adolescents with viral illness), renal impairment, hepatotoxicity.
## Key Drug Interactions
* **Anticoagulants (e.g., warfarin, DOACs), other antiplatelets (e.g., clopidogrel), SSRIs, SNRIs:** Increased risk of bleeding.
* **NSAIDs, corticosteroids:** Increased risk of GI toxicity.
* **Methotrexate:** Increased methotrexate toxicity.
* **Antihypertensives (e.g., ACE inhibitors, ARBs, diuretics):** Reduced efficacy and increased risk of renal impairment.
* **Uricosurics (e.g., probenecid):** Reduced uricosuric effect.
## Monitoring
* **Signs and symptoms of GI bleeding:** Melena, hematemesis, abdominal pain.
* **Signs and symptoms of tinnitus or hearing impairment.**
* **Renal and hepatic function** in patients with pre-existing impairment or those on long-term therapy.
* **Platelet function** if used in combination with other antiplatelet agents.
## Clinical Pearls
* The enteric coating is designed to prevent stomach irritation but does not eliminate the risk of GI bleeding. It should be swallowed whole and not crushed or chewed.
* Aspirin's antiplatelet effect is irreversible for the life of the platelet.
* For acute pain or fever, immediate-release aspirin formulations are generally preferred due to faster onset of action.
* Use with caution in patients with asthma, nasal polyps, or a history of allergic rhinitis.
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*Disclaimer: This information is intended for healthcare professionals. Always consult the most current prescribing information and relevant clinical guidelines for definitive guidance. Dosing and indications can vary based on specific patient factors and local protocols.*
