chapter 12 anti-inflammatory agents. copyright 2007 thomson delmar learning, a division of thomson...

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Chapter 12 Anti-inflammatory Agents

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Chapter 12

Anti-inflammatory Agents

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 2

Nonsteroidal Anti-inflammatory Drugs

Group of frequently prescribed drugs Treat pain Common drug

Acetylsalicylic acid (ASA) Hermann Kolbe

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 3

Uses for NSAIDs

Analgesic (mild to moderate) Antigout Anti-inflammatory Antipyretic Relief of vascular headaches Platelet inhibition

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 4

How NSAIDs Work

Stop the activation of the arachidonic acid pathway

Reduce: Pain Headache Fever Inflammation

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 5

Analgesics

Reduce pain by blocking prostaglandins

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 6

Antipyretics

Inhibit prostaglandin E2 in the brain

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 7

Inflammation Relief

Inhibit either the: Leukotriene pathway Prostaglandin pathway Or both pathways

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 8

Pain Relief

Relief of mild to moderate pain Bone, joint, and muscle pain Osteoarthritis Rheumatoid arthritis Juvenile rheumatoid arthritis Dysmenorrhea

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 9

Common NSAIDs

Common drugs that are used: Ibuprofen (Motrin, Advil) Ketoprofen (Orudis) Ketorolac (Toradol) Naproxen (Naprosyn)

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 10

Gastrointestinal Side Effects

First-generation NSAIDs 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.

12 - 11

Gastrointestinal Side Effects

Second-generation NSAIDs Called COX-2 inhibitors

More specific in their action Reduce gastrointestinal distress

(continued)

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 12

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

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 13

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

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 14

Renal Side Effects

Creatinine clearance reduced Renal failure

Acute tubular necrosis

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 15

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

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 16

Medical History

Medication history Serious drug interactions

Alcohol Heparin and warfarin (Coumadin) Phenytoin Steroids Sulfonamides

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 17

Salicylates

Do not give salicylates to children under age 12.

Reye’s syndrome Give with food and milk.

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 18

Client Education

Educate clients about precautions. Watch for:

Unusual bleeding, abdominal pain, and cardiac problems

Enteric-coated tablets should not be crushed or chewed.

Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

12 - 19

Therapeutic Effects

Monitor for: Decrease in swelling Decrease in pain Decrease in joint tenderness