Chapter 12 Anti-inflammatory Agents Nonsteroidal Anti-inflammatory Drugs Group of frequently prescribed drugs Treat pain Common drug Acetylsalicylic acid (ASA) Hermann Kolbe 12 - 2 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Uses for NSAIDs Analgesic (mild to moderate) Antigout Anti-inflammatory Antipyretic Relief of vascular headaches Platelet inhibition 12 - 3 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. How NSAIDs Work Stop the activation of the arachidonic acid pathway Reduce: Pain Headache Fever Inflammation 12 - 4 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Analgesics Reduce pain by blocking prostaglandins 12 - 5 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Antipyretics Inhibit prostaglandin E2 in the brain 12 - 6 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Inflammation Relief Inhibit either the: Leukotriene pathway Prostaglandin pathway Or both pathways 12 - 7 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Pain Relief Relief of mild to moderate pain Bone, joint, and muscle pain Osteoarthritis Rheumatoid arthritis Juvenile rheumatoid arthritis Dysmenorrhea 12 - 8 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Common NSAIDs Common drugs that are used: Ibuprofen (Motrin, Advil) Ketoprofen (Orudis) Ketorolac (Toradol) Naproxen (Naprosyn) 12 - 9 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Gastrointestinal Side Effects First-generation NSAIDs 12 - 10 Dyspepsia, heartburn, epigastric distress, nausea Gastrointestinal bleeding Mucosal lesions (erosions or ulcerations) (continues) Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. (continued) Gastrointestinal Side Effects Second-generation NSAIDs Called COX-2 inhibitors More specific in their action Reduce gastrointestinal distress 12 - 11 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Cardiovascular Side Effects Second-generation NSAIDs Serious side effects: Cardiac arrhythmias Heart attack Stroke Celecoxib (Celebrex) may be removed Rofecoxib (Vioxx) removed from market by the FDA 12 - 12 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Precautions First and second generation Do not take if you: Have or had stomach ulcers and bleeding Have had asthma Have had an allergic response to aspirin or sulfa Have severe kidney problems Have severe liver problems Are pregnant 12 - 13 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Renal Side Effects Creatinine clearance reduced Renal failure Acute tubular necrosis 12 - 14 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Nursing Assessment Before beginning therapy, perform thorough assessment for: Gastrointestinal lesions or peptic ulcer disease Bleeding disorders Heart disorders Perform lab studies CBC, platelet count, cardiac, renal, and liver 12 - 15 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Medical History Medication history Serious drug interactions Alcohol Heparin and warfarin (Coumadin) Phenytoin Steroids Sulfonamides 12 - 16 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Salicylates Do not give salicylates to children under age 12. Reye’s syndrome Give with food and milk. 12 - 17 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Client Education Educate clients about precautions. Watch for: Unusual bleeding, abdominal pain, and cardiac problems Enteric-coated tablets should not be crushed or chewed. 12 - 18 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved. Therapeutic Effects Monitor for: Decrease in swelling Decrease in pain Decrease in joint tenderness 12 - 19 Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.