Aspirin CPG Flashcards
Aspirin- Presentation
300 mg chewable tablet
300 mg soluble/water dispensable tablet
Aspirin - Pharmacology
An analgesic, antipyretic, anti-inflammatory and antiplatelet aggregation agent
Actions:
- To minimise platelet aggregation and thrombus formation in order to retard the progression of coronary artery thrombosis in ACS
- Inhibits synthesis of prostaglandins - anti-inflammatory actions
Aspirin - Metabolism
Converted to salicylate in the gut mucosa and liver; excreted mainly by the kidneys
Aspirin - Primary emergency indications
- ACS
Aspirin - Contraindications
- Hypersensitivity to aspirin/salicylates
- Actively bleeding peptic ulcers
- Bleeding disorders
- Suspected dissecting aortic aneurysm
- Chest pain associated with psychostimulant OD if systolic BP >160mmHg
Aspirin - Precautions
- Peptic ulcers
- Asthma
- Pt on anticoagulants
Aspirin - Route of administration
Oral
Aspirin - Side effects
Heartburn, nausea, gastrointestinal bleeding
Increased bleeding time
Hypersensitivity reactions
Aspirin - Special notes
Aspirin is C/I for use in acute febrile illness in children and adolescents
The anti-platelet effects of Aspirin persist for the natural life of platelets
Onset: n/a
Peak: n/a
Duration: 8-10days