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85 Cards in this Set

  • Front
  • Back
NSAIDS inhibit what enzyme?
Cyclooxygenase

(it converts arachidonic acid to prostaglandins)
Some NSAIDs have antipyretic properties (reduce fever)


Name 3
Ibuprofen
Naproxen
Salicylates (Aspirin)
For Short Term Uses

Why should you prescribe an NSAID with a short half-life that can be taken frequently without risk of toxicity?
Patients in pain will ignore physician instructions. If one pill is good, two is better.
What circumstance?
Choose an NSAID with a longer half life
When Anticipating Long Term Usage
Prostaglandins cause
Edema
Cellular exudation
Pain
2 forms of COX
COX-1
Isoenzyme => prostaglandins that maintain stomach lining and act in wound healing
COX-2
Isoenzyme => prostaglandins that mediate inflammatory response
3 Selective COX-2 Inhibitors
Celecoxib (Celebrex)
Rofecoxib (Vioxx*)
Valdecoxib (Bextra*)

* = not on market anymore
Pain scale level of pain indicated for NSAIDS use
1-4 or 5 on 10-scale
Primary Dysmenorrhea,

which is better, selective or non?
non
other indications for NSAIDS
Acute or Chronic Inflammatory Conditions
Tendosynovitis
Bursitis
Osteoarthritis
Rheumatoid Arthritis
Contraindications for NSAIDS
Previous Hypersensitivity to the Class of Drug Being Used
Triad Asthma
Asthma
Nasal Polyps
Aspirin Sensitivity
History or Presence of Gastritis or Ulcer Disease
Common Side Effects of NSAIDS
NSAID Gastropathy (big one - lots of deaths!)
Platelet Inhibition
Edema (might swell up like a toad)
Headache
Impaired Wound Healing
Drug Interactions with NSAIDS
Digoxin
Diuretics
Warfarin
Lithium
Methotrexate
Cyclosporine
What NSAIDS have Endoscopic injury worse than Aspirin?
(Aspirin's score is 1;
>1 = worse)
Ibuprofen
Naproxen
Indomethacin
Tolmetin
What NSAIDS have Endoscopic injury better than Aspirin?
Nabumetone
Piroxicam
__________ mask the symptoms of gastropathy, but they are not protective of the stomach lining and may lead to sudden gastric perforation without warning.
H2 Blockers & Proton Pump Inhibitors
If your pt has NSAID gastropahy, what drug can you use to help
Sucralfate (CARAFATE) may be better.
Misoprostol (CYTOTEC) is protective of stomach lining.
40% of patients on Misoprostol experience diarrhea as a side effect.
ALL NSAIDs are cleared via the ____
kidneys
Why estimate the GFR?
to adjust NSAID dosage
An estimate of the GFR may be obtained as follows:
GFR = {(140 - age in years) x weight in kilograms} / (Serum Creatinine x 72)
Classes of NSAIDs
Salicylates
Acetic Acids
Propionic Acids
Fenamic Acids
Pyranocarboxylic Acids
Oxicams
Naphthylalkanones
Selective COX-2 Inhibitors
commercial types of aspirin (salicylates)
Bufferin
Anacin (adds caffeine)
Ascriptin (adds Maalox)
Ecotrin (enteric coated)
Excedrin (adds acetaminophen and caffeine)
Alka-Seltzer (adds sodium bicarbonate and citric acid)
why is ecotrin not an effective idea for aspirin?
helps the stomach, but is not absorbed well in a low acid environment
half life of aspirin
0.2 hrs
Salicylates (2)
Salsalate (DISALCID)
Choline Magnesium Trisalicylate (TRILISATE)
Salsalate (DISALCID)

Frequency?
Frequency: bid - tid
Salicylic Acid Derivative (1)
Diflunisal (DOLOBID)
Diflunisal (DOLOBID)

Frequency?
Frequency: bid – tid
Choline Magnesium Trisalicylate (TRILISATE)

liquid supply? (?mg/ml)
frequency?
Liquid - 500 mg/5cc (b/c of pill size)

Frequency: qd - bid
Diflunisal (DOLOBID)
is great b/c unlike all other NSAIDS, it doesn't cause what annoying problem?
Tinnitus (inner ear)
Caution with Diflunisal (DOLOBID)
CAUTION: May increase the risk of thrombotic coronary events, sometimes fatal.
Risk increases with duration of use
Contraindicated for the treatment of pain post CABG
Acetic Acids (5)
Indomethacin (INDOCIN)
Sulindac (CLINORIL)
Tolmetin sodium (TOLECTIN)
Diclofenac sodium (VOLTAREN)
Diclofenac potassium (CATAFLAM)
first acetic acid NSAID
Indomethacin (INDOCIN)
Indomethacin (INDOCIN)

How is it supplied?
What is frequency?
Supplied: 25 mg, 50 mg, 75 mg SR
50 mg Rectal Suppository
25 mg/5 cc Oral Suspension

Frequency: tid - qid
SR bid
DOC for anylosing spondylitis
Indomethacin (INDOCIN)
Acetic acid type of NSAID that has no renal effect

and Does not interfere with antihypertensive effects of diuretics.
Sulindac (CLINORIL)
Sulindac (CLINORIL)

Frequency?
Frequency: bid
Acetic acid NSAID that is approved for use in children > 2yrs
Tolmetin sodium (TOLECTIN)
Tolmetin sodium (TOLECTIN)

Frequency?
Frequency: tid

Kids: 20 mg/kg/day
For patients with osteoarthritis and rheumatoid arthritis who are at high risk for developing NSAID gastropathy or duodenal ulcers.
Diclofenac sodium with Misoprostol (ARTHROTEC)
Diclofenac sodium without Misoprostol
Diclofenac sodium (VOLTAREN)
Diclofenac sodium (VOLTAREN)

frequency?
Frequency: bid
SR qdaily
Type of Acetic acid NSAID that has No sodium retention edema.
Rapid onset - 10 minutes
Diclofenac potassium (CATAFLAM)
Dose of Diclofenac potassium (CATAFLAM)

Frequency?
Frequency: bid - tid
Propionic Acid NSAIDs (7)
Ibuprofen (MOTRIN)
Flurbiprofen (ANSAID)
Fenoprofen Calcium (NALFON)
Ketoprofen (ORUDIS)(ORUVAIL) (ORUDIS-KT)
Naproxyn (NAPROSYN)
Naproxyn sodium (ANAPROX) (ALEVE)
Oxaprozin (DAYPRO)
Ibuprofen (MOTRIN)

Supplied how?
Dose max / day?
Frequency?
Supplied: 200, 400, 600, 800 mg
Dose: 4000 mg / day maximum
Frequency: tid - qid
max daily dose of Ibuprofen (MOTRIN)
4000 mg / day maximum
Flurbiprofen (ANSAID)

frequency?
Frequency: bid, tid, qid
More common association with nephrotic syndrome than other NSAIDs.
Fenoprofen Calcium (NALFON)
Dose of Fenoprofen Calcium (NALFON)

Frequency?
tid - qid
Dose of Ketoprofen (ORUDIS)

Frequency?
tid - qid
Ketoprofen
(ORUVAIL) dose

Sustained Release Preparation

What is frequency?
Frequency: qd
ORUDIS-KT

supplied how?
12.5 mg OTC
Propionic Acids that Does not interfere with antihypertensive effects of diuretics.
Naproxyn (NAPROSYN)
Propionic Acids Approved for use in children.
Dose: 10 mg / kg / day
Naproxyn (NAPROSYN)
Naproxyn (NAPROSYN)


What is dose of Oral Suspension?
125 mg / 5 cc
Naproxyn (NAPROSYN)

What is frequency?
bid
Naproxyn sodium (ANAPROX)

Frequency?
tid - qid
OTC Naproxyn sodium
ALEVE
ALEVE

How supplied?
OTC - 220 mg
Oxaprozin (DAYPRO)

Frequency?
qd - tid
Fenamic Acids Principally used for Dysmenorrhea
Meclofenamate sodium (MECLOMEN)
problem with Meclofenamate sodium (MECLOMEN)
25% of patients taking MECLOMEN get diarrhea.
Meclofenamate sodium (MECLOMEN)


Frequency?
tid - qid
another Fenamic Acids
Principally used for Dysmenorrhea
Half Life = 4 hours
Mefenamic Acid (PONSTEL)
Pyranocarboxylic Acid

May promote healing of cartilaginous erosions.
Etodolac (LODINE)
Etodolac (LODINE)

Frequency?
tid - qid
Pyranocarboxylic Acid
For short term use only.
Excellent Non-addictive analgesic.
Ketorolac Tromethamine (TORADOL)
Ketorolac Tromethamine (TORADOL)


What are Oral and IM doseages?
Oral: 10-mg q4-6h prn pain
IM: 15, 30, 60 mg - q3-4h prn pain
Ketorolac Tromethamine (TORADOL) 30mg IM


What are comparable IM doses of morphine and meperidine?
Comparable Doses
TORADOL - 30 mg IM
Morphine - 12 mg IM
Meperidine - 100 mg IM
Piroxicam (FELDENE)

What is frequency?
How long does it take to reach steady state level?
qd

7-12 days
the other oxicam

What is frequency?

(tried to claim that it was a selective COX-2 inhib, but it wasn't)
Meloxicam (MOBIC)

Frequency: qd
Lowest incidence of gastropathy of all NSAIDs
Naphthylalkanones
Naphthylalkanones example?

what is frequency?
Nabumetone (RELAFEN)

qd - bid
Metabolism of celecoxib
Cytochrome P450 2C9
Incidence of Gastroduodenal Ulcers in 3 months

compare celecoxib, naproxen, ibuprofen, and diclofenac
For celecoxib = 7.5%
For Naproxen = 34.6%
for Ibuprofen = 23.3%
for Diclofenac = 9.7%
This subject is not highlighted, but it seems important.

Contraindications for celecoxib
allergy to sulfonamides
kidney disease
Celecoxib (Celebrex)

Frequency?
qd - bid
This is not highlighted, but it looks important.

What are the drug Interactions of celecoxib?
ACE inhibitors: Decreases antihypertensive effect.
Fluconazole: Two-fold increase in celecoxib concentration
Rofecoxib (Vioxx)

Why should we not dwell on this one?
Withdrawn from market
Propionic Acids (7)
Ibuprofen (MOTRIN)
Flurbiprofen (ANSAID)
Fenoprofen Calcium (NALFON)
Ketoprofen (ORUDIS)(ORUVAIL) (ORUDIS-KT)
Naproxyn (NAPROSYN)
Naproxyn sodium (ANAPROX) (ALEVE)
Oxaprozin (DAYPRO)
Fenamic Acids (2)
Meclofenamate sodium (MECLOMEN)
Mefenamic Acid (PONSTEL)
Pyranocarboxylic Acid (2)
Etodolac (LODINE)
Ketorolac Tromethamine (TORADOL)
Oxicams (2)
Piroxicam (FELDENE)
Meloxicam (MOBIC)
Naphthylalkanones (1)
Nabumetone (RELAFEN)