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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, anti-inflammatory, and antipyretic properties. The enteric coating is designed to protect the stomach from irritation by delaying the release of aspirin until it reaches the small intestine.
### Primary Indications
* Pain and inflammation associated with conditions such as arthritis, musculoskeletal disorders.
* Fever reduction.
* Cardiovascular risk reduction (secondary prevention of myocardial infarction and stroke) at low doses.
### Adult Dosing
**Analgesic/Anti-inflammatory/Antipyretic:**
* Typically, 325 mg to 650 mg every 4 to 6 hours as needed.
* Higher doses may be used for inflammatory conditions, e.g., up to 4000 mg per day in divided doses, under medical supervision.
**Cardiovascular Risk Reduction (Low Dose Aspirin):**
* 75 mg to 100 mg once daily.
* Dosing may vary based on clinical indication and local protocols.
### Pediatric Dosing
**General Considerations:** Aspirin is generally not recommended for children and teenagers due to the risk of Reye's syndrome, particularly during viral infections (e.g., influenza, varicella).
* **Kawasaki Disease:** Dosing is highly variable and depends on the phase of illness and clinical response. Doses can range from 30-100 mg/kg/day in divided doses, transitioning to a low-dose maintenance regimen (typically 3-5 mg/kg/day once daily) after fever resolves. **Dosing must be determined by a specialist and guided by clinical protocols.**
### Dose Adjustments
* No specific dose adjustments are typically required for renal or hepatic impairment, but caution is advised, especially in severe dysfunction. Aspirin is largely metabolized in the liver and excreted by the kidneys.
### Contraindications
* Hypersensitivity to aspirin, NSAIDs, or salicylates.
* History of aspirin-induced asthma, urticaria, or allergic-type reactions.
* Active peptic ulceration or gastrointestinal bleeding.
* Use in children and teenagers with viral infections (risk of Reye's syndrome).
* Severe hepatic impairment.
* Severe renal impairment.
* Late pregnancy (third trimester).
* Bleeding disorders.
### Adverse Effects
* **Gastrointestinal:** Dyspepsia, nausea, vomiting, abdominal pain, heartburn, occult or overt GI bleeding, ulceration. The enteric coating may reduce but not eliminate GI risk.
* **Hematologic:** Increased bleeding time, bruising.
* **Hypersensitivity:** Bronchospasm, urticaria, angioedema.
* **Auditory:** Tinnitus (especially at higher doses).
* **Renal:** Renal papillary necrosis, interstitial nephritis (with chronic use).
* **Hepatic:** Liver dysfunction (rare).
* **Reye's Syndrome:** In children and adolescents with viral infections.
### Key Drug Interactions
* **Anticoagulants (e.g., warfarin, heparin, DOACs):** Increased risk of bleeding.
* **Other NSAIDs and Corticosteroids:** Increased risk of GI toxicity.
* **Antihypertensives (e.g., ACE inhibitors, ARBs, diuretics):** May reduce antihypertensive efficacy and increase risk of renal impairment.
* **Methotrexate:** Increased methotrexate toxicity.
* **Selective Serotonin Reuptake Inhibitors (SSRIs):** Increased risk of GI bleeding.
* **Alcohol:** Increased risk of GI bleeding.
* **Uricosuric agents (e.g., probenecid):** Aspirin can antagonize the uricosuric effect.
### Monitoring
* **Gastrointestinal symptoms:** Monitor for signs of bleeding or ulceration.
* **Bleeding:** Observe for unusual bruising or bleeding.
* **Renal and Hepatic function:** Consider monitoring in patients with pre-existing dysfunction or with long-term, high-dose use.
* **Auditory symptoms:** Monitor for tinnitus, especially at higher doses.
### Clinical Pearls
* The enteric coating can delay absorption, which may impact its effectiveness in acute pain situations where rapid onset is desired.
* Advise patients to swallow enteric-coated tablets whole without crushing, chewing, or breaking them to maintain the integrity of the coating.
* Even with enteric coating, aspirin carries a risk of GI irritation and bleeding. Advise patients to take with food or milk if experiencing stomach upset.
* Discontinue aspirin at least 5-7 days before elective surgery due to its irreversible antiplatelet effect.
***
**Disclaimer:** This information is intended for healthcare professionals. Always consult the most current prescribing information and relevant clinical guidelines before making any treatment decisions.
