Anti-inflammatory and Antigout drugs Flashcards
What are the activities of NSAIDs
Analgesic
Anti-inflammatory
Antipyretic
Aspirin-platelt inhibition
What are the 7 uses of NSAIDs?
Mild to moderate headaches
Myalgia
Neuralgia
Arthralgia
Post op pain
Gout and hyperuricemia
Pain associated with arthritic disorders
What properties do all NSAIDs share?
Antipyretic
Analgesic
Anti-inflammatory
Name a salicylate NSAID
Aspirin
Name 3 acetic acid derivatives
Diclofenac sodium
Indomethacin sulindac
Ketorolac
Name one cyclo-oxygenase (COX)-2 inhibitors
Celecoxib
Name 2 propionic acid derivatives
Ibuprofen
Naproxen
Aspirin is shown to reduce ________ after a MI
Cardiac death
What is the difference between COX-1 and COX-2?
COX-1 maintains the GI mucosa
COX-2 promotes synthesis of prostaglandins involved in the inflammatory process
What is the MOA of NSAIDs?
Inhibition of leukotriene or prostaglandin pathway
Blocking the chemical activity of the enzyme COX
What is the MOA of aspirin?
Reduces formation of thromboxane A2, a substance that promotes platelet aggregation. (antiplatelet)
What is the only NSAID that has antiplatelet effects?
Aspirin
What are the contraindications of NSAIDs?
Allergy
Conditions that place the pt at risk for bleeding. (i.e: Rhinitis, Vitamin K deficiency and PUD)
What are the adverse effects of NSAIDs?
Heartburn to severe GI bleeding
Acute kidney injury
Noncardiogenic pulmonary edema
Altered hemostasis; bleeding doesn’t stop
Hepatotoxicity
Skin eruption, sensitivity reaction
Tinnitus, hearing loss
What is the purpose of misoprostol in relation to NSAIDs?
Misoprostol is given to prevent NSAID-induced ulcers/GI bleeding
Why can’t misoprostol be taken during pregnancy?
It induces uterine contractions
Why can NSAIDs compromise kidney function?
Kidney function partly depends on prostaglandins
What is the major health canada warning for all NSAIDs except aspirin?
There is an increased risk of adverse cardiovascular thrombotic events, including a fatal MI and stroke
What is the difference regarding the administration of aspirin(once a day vs multiple times a day)
Once a day: Prevention of thrombotic events
Multiple times: Pain
What is Reye’s syndrome?
Acute condition involving progressive neurological deficits that can lead to coma and may also involve liver damage
What can trigger Reye’s syndrome?
Viral illnesses such as influenza, as well as by salicylate therapy itself in the presence of a viral illness
What is chronic salicylate intoxication called?
Salicylism
What are the signs of salicylate intoxication?
Increased HR
Tinnitus, hearing loss, dimness of vision, headache, confusion, drowsiness
Nausea, vomiting, diarrhea
Hypo or hyperglycemia, sweating, thirst, hyperventilation
What are the uses and forms available for indomethacin?
RA
Osteoarthritis (OA)
Bursitis or tendonitis
ankylosing spondylitis
Acute gouty arthritis
Oral and rectal routes