Acetylsalicylic Acid (Aspirin) Study Set

Classification and Identification of Acetylsalicylic Acid

  • Generic Name: Acetylsalicylic Acid

  • Common Trade Name: Aspirin

  • Therapeutic Classifications:   - Analgesic (pain reliever)   - Nonsteroidal anti-inflammatory drug (NSAID)   - Antiplatelet (inhibits blood clot formation)

Mechanisms of Action and Physiological Effects

  • Vascular Action: The drug functions by dilating peripheral blood vessels.

  • Hematologic Action: It inhibits platelet aggregation, preventing blood cells (platelets) from clumping together to form a thrombus.

Clinical Indications for Administration

  • Acute Coronary Syndrome (ACS): Indicated for patients experiencing acute coronary conditions.

  • Myocardial Infarction (MI): Used in the management of heart attacks.

  • Ischemic Chest Pain: Indicated for patients suffering from chest pain caused by reduced blood flow to the heart.

  • Angina: Indicated for the relief of angina pectoris symptoms.

Contraindications and Safety Warnings

  • Gastrointestinal Disorders:   - Gastrointestinal (GI) bleeding   - Active gastric ulcers

  • Neurological Events: Current or suspected stroke.

  • Hematologic Conditions: General bleeding disorders.

  • Respiratory Conditions: Asthma.

  • Allergies and Sensitivities:   - Known hypersensitivity to salicylates   - Any other known allergies to the medication or its components

Pharmacokinetics and Administration Guidelines

  • Onset of Action: The clinical effect typically begins within 15−30 min15-30\,\text{min}.

  • Duration of Action: The therapeutic effects last between 4−6 hours4-6\,\text{hours}.

  • Adult Dosage (PO):   - Quantity: 22 to 44 baby chewable aspirin tablets.   - Milligram Dosage: Total dose of 162−324 mg162-324\,\text{mg}.

  • Route of Administration: PO (Per Os / Oral).

Side Effects and Adverse Reactions

  • Gastrointestinal System:   - Dyspepsia (indigestion)   - General stomach irritation   - Gastrointestinal (GI) bleeding   - Nausea   - Vomiting

  • Respiratory System:   - Bronchospasms (particularly in sensitive individuals)