๐ Medicinal Chemistry – Lecture 2: NSAIDs (Painkiller Drugs) Easy Notes + Student-Friendly + High Engagement Style By PharmaEasyNotes ๐
๐ Medicinal Chemistry – Lecture 2: NSAIDs (Painkiller Drugs) Easy Notes + Student-Friendly + High Engagement Style By PharmaEasyNotes ๐ ๐ฏ Lecture Objective After this lecture, students will be able to: ✅ Understand how pain occurs ✅ Know how painkillers work ✅ Learn about NSAIDs ✅ Write proper exam answers ๐น Introduction (Simple Way) Think ๐ค You have a headache, toothache, or body pain… What do you take first? ๐ A painkiller tablet ๐ These painkillers are called NSAIDs . NSAIDs = Non-Steroidal Anti-Inflammatory Drugs They: ✔️ Reduce pain ✔️ Reduce fever ✔️ Reduce swelling ✔️ Are not steroids ๐น How Does Pain Occur? Injury / Infection ↓ Release of Prostaglandins ↓ Pain + Swelling + Fever ๐ Prostaglandins are chemicals that cause pain and inflammation. ๐น Mechanism of Action (Easy Flowchart) NSAIDs → Block COX Enzyme ↓ Prostaglandins ↓ ↓ Pain & Fever ↓ ✔️ NSAIDs inhibit the COX enzyme ✔️ Less prostaglandin is formed ✔️ P...