This document summarizes information about the drug aspirin, including its pharmacological name, trade names, actions, pharmacokinetics, indications, contraindications, dosage, precautions, side effects, and nursing responsibilities. It describes aspirin's mechanism for reducing pain and inflammation. It provides details on aspirin's absorption, metabolism, half-life, and protein binding. Recommended dosages for adults, adolescents and children are listed. Common side effects include stomach pain, nausea, vomiting, dizziness and headache. Nurses should carefully assess patients for cautions and contraindications and monitor for adverse effects.