Anti-Inflamatory dec 2 Flashcards
Acetaminophen is a
Analgesic and antipyretic
Acetaminophen MOI
Mechanism of action not well known
Thought to act by inhibiting central and peripheral prostaglandin synthesis
Acetaminophen reduced fever by
direct actions on the hypothalamic heat-regulating centers
acetaminophen does not
effect COX, so does not affect platelet aggregation or cause GI irritation
Ibprofen (NSAID) hard on
Tylenol hard on
kidney (NSAID)
Liver (AcEtaminophen)
Tylenol and NSAID are rapidly
absorbed after oral administration
Absorption delayed by food
NSAIDs are metabolized by
liver and excreted in urine.
Acetaminophen is metabolized by
Liver
do not take any more than ___ for acetaminophen per day
3000 mg to 4000 mg
follow label
When acetaminophen is taken regularly or in large doses, the stores of
glutathione become depleted, and hepatic necrosis may occur.
Overuse of NSAID can stress
kidneys
NSAID Most common ADR
GI disturbances
Take with food to reduce GI upset.
Monitor for ulcers and GI bleed.
NSAID can cause
acute renal insufficiency
NSAID inhibit
platelet aggregation and may increase bleeding time
NSAID cause fluid
retention and peripheral edema
Indomethacin (NSAID): may
aggravate depression or other psychiatric disturbances
COX-2 inhibitors and all NSAIDs have
Black Box warning for patients about cardiovascular risk.
All NSAIDs may increase the risk of a heart attack or stroke
Acetaminophen ADR acute hepatic necrosis occurs with
with doses of 10 to 15 g.
Doses above 25 g are usually fatal.
Acetaminophen poisoning treatment
Refer to poison center.
Get acetaminophen level.
Oral N-acetylcysteine is a specific antidote for acetaminophen toxicity.
Rheumatoid arthritis
Use and follow
Use NSAIDs or celecoxib to reduce joint pain and swelling.
Follow American College of Rheumatology suggestions for treatment.
There is increased risk for complications, so monitor closely.