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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 and reduce gastric irritation.
### Primary Indications
* **Pain and Inflammation:** Mild to moderate pain and inflammation associated with conditions such as arthritis, musculoskeletal disorders, and dysmenorrhea.
* **Fever Reduction:** Reduction of fever.
* **Cardiovascular Prevention:** Prevention of myocardial infarction, stroke, and cardiovascular death in patients with established cardiovascular disease or risk factors (e.g., secondary prevention). In primary prevention, use is controversial and depends on individual risk assessment.
### Adult Dosing
Dosing varies significantly based on indication.
* **Pain and Inflammation:**
* Typically 325 mg to 650 mg every 4 to 6 hours as needed.
* Maximum dose: Generally 4000 mg per 24 hours, but lower doses are often preferred to minimize risk.
* **Cardiovascular Prevention (Secondary):**
* 75 mg to 162 mg once daily.
* **Cardiovascular Prevention (Primary):**
* Dosing is controversial and should be individualized based on risk factors and bleeding potential. Consult current guidelines. Common doses range from 75 mg to 100 mg once daily.
* **Fever Reduction:**
* Typically 325 mg to 650 mg every 4 to 6 hours as needed.
### Pediatric Dosing
Aspirin is generally **contraindicated** in children and adolescents due to the risk of Reye's syndrome, particularly during viral illnesses like influenza or chickenpox.
### Dose Adjustments
No specific dose adjustments are typically required for hepatic or renal impairment, but caution is advised. Use the lowest effective dose.
### Contraindications
* Hypersensitivity to aspirin, salicylates, NSAIDs, or any component of the formulation.
* 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.
* Severe heart failure.
* Concurrent use with methotrexate at high doses.
* Third trimester of pregnancy.
### Adverse Effects
* **Gastrointestinal:** Dyspepsia, heartburn, nausea, vomiting, abdominal pain, GI bleeding, ulceration.
* **Hematologic:** Increased bleeding time, bruising, petechiae, epistaxis, prolonged bleeding from cuts.
* **Hypersensitivity:** Bronchospasm, urticaria, angioedema, rhinitis.
* **Other:** Tinnitus, dizziness, headache.
### Key Drug Interactions
* **Anticoagulants (e.g., warfarin, heparin, DOACs):** Increased risk of bleeding.
* **Other NSAIDs and Salicylates:** Increased risk of GI toxicity and bleeding.
* **Corticosteroids:** Increased risk of GI ulceration and bleeding.
* **Methotrexate:** Increased methotrexate toxicity, especially at high doses of aspirin.
* **Antihypertensives (e.g., ACE inhibitors, ARBs, diuretics):** May decrease their antihypertensive effect and increase risk of renal toxicity.
* **Uricosuric agents (e.g., probenecid):** Aspirin can inhibit the uricosuric effect.
* **Selective Serotonin Reuptake Inhibitors (SSRIs):** May increase bleeding risk.
* **Alcohol:** Increased risk of GI bleeding.
### Monitoring
* **Signs of GI bleeding:** Melena, hematemesis, abdominal pain.
* **Signs of bleeding:** Bruising, petechiae, prolonged bleeding from wounds.
* **Renal function:** Especially in patients with pre-existing renal disease or those taking other nephrotoxic agents.
* **Hepatic function:** If signs of liver dysfunction develop.
* **Tinnitus:** May indicate toxicity.
### Clinical Pearls
* The enteric coating delays absorption, so onset of action for pain/fever may be slower compared to non-enteric coated aspirin.
* For cardiovascular prevention, it is often recommended to take aspirin on an empty stomach to ensure proper absorption. However, for pain/inflammation, taking with food or milk may reduce GI upset.
* Avoid crushing or chewing enteric-coated tablets.
* Discontinue aspirin several days before elective surgery or dental procedures to minimize bleeding risk. Consult surgeon/dentist for specific recommendations.
* The risk of Reye's syndrome necessitates avoiding aspirin in pediatric patients with febrile illnesses.
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**Disclaimer:** This information is intended for healthcare professionals. Always consult the most current prescribing information and relevant guidelines before making clinical decisions.
