Tx of Bone and Joint Disorders (Part II) Flashcards
NSAID’s – Naproxen Sodium: sub class ?
propionic acid
Naproxen Sodium trade ?
Naprosyn
Alieve
Naproxen Sodium indications ?
Anti-inflammatory
Osteoarthritis Rheumatoid arthritis Acute gout Mild – Moderate Pain Dysmenorrhea Fever
Naproxen Sodium adult dosing ?
220, 275, 550 mg naproxen sodium = 200, 250, 500 mg naproxen
Special Ped’s dosing 11-22 mg/kg/day
Divided dose q8-12 hrs
Naproxen Sodium BBW / caution ?
CABG / CAD / CHF / PUD
- *Watch its with NSAIDS if they are post CABG
- *
Naproxen Sodium preg. cat ?
C
IR(Imed release) doses expressed as ?
naproxen sodium
ER (extended release) doses expressed as ?
naproxen equivalents
NSAID Combo Cytoprotective example ?
Diclofenac/misoprostol
Diclofenac/misoprostol trade ?
Arthrotec
Cytotec)
Diclofenac/misoprostol (Arthrotec, Cytotec) MOA ?
Acts upon gastricparietal cells inhibiting the secretion ofgastric acid
Stimulate increased secretion of the protective mucus that lines theGI tractand increase mucosal blood flow, thereby increasing mucosal integrity
Misoprostol trade ?
Arthrotec, Cytotec
Misoprostol indicated ?
Indicated NSAID induced ulcer or protection
Misoprostol inhibits ____________ secretion and mucosal __________ ?
Inhibits gastric acid secretion and mucosal protections
Misoprostol used with ?
NSAID’s / ASA
Used in early pregnancy termination
**long standing NSAIDS use you want to use these protection agents
the proactive agents are used to stimulate contractions or bleeding after delivery for uterine bleeding agent **
Misoprostol BBW ?
Black Box warning with pregnancy / miscarriage, induce labor, uterine rupture
NSAID that has been discontinued in the US because of renal disease ?
Nabumetone (Relafen)
Muscle Relaxants examples ?
Metaxalone
Cyclobenzaprine
Baclofen
Tizanidine
Metaxalone trade ?
Skelaxin
Metaxalone (Skelaxin)
MOA ?
exact mechanism of action unknown; depresses CNS activity (centrally-acting muscle relaxant)
Metaxalone (Skelaxin)
indication ?
MS pain / Spasm
Metaxalone (Skelaxin) caution in ?
renal / Liver Dz
Metaxalone (Skelaxin) dosed ?
Dosed 800 mg tid/qid
Metaxalone (Skelaxin) is give on ______ stomach ?
empty
Metaxalone (Skelaxin) preg cat ?
C
Metaxalone (Skelaxin) peds ?
12 years old
Metaxalone (Skelaxin)
common reactions ? low incidence ?
drowsiness
dizziness
headache
nervousness
nausea
vomiting
dyspepsia
low incidence
Cyclobenzaprine trade ?
Flexeril
Cyclobenzaprine (Flexeril)
MOA ?
potentiates norepinephrine and binds to serotonin receptors, reducing spasticity (centrally-acting muscle relaxant)
Cyclobenzaprine (Flexeril)
indications ?
Muscle Spasm
Cyclobenzaprine (Flexeril)
dosing ?
Dosing 5-10 mg tid up to three weeks
Cyclobenzaprine (Flexeril)
pregnancy category ?
B
Cyclobenzaprine (Flexeril)
cautions ?
anticholinergic effects
CNS depression
lowers seizure threshold
Cyclobenzaprine (Flexeril)
can cause serotonergic effect which include what sxs ?
Increased heart rate, shivering, sweating, dilated pupils, myoclonus (intermittent jerking or twitching)
Hyper-reflexia
Hyperactive bowel sounds, high blood pressure
Hyperthermia - temperature as high as 40°C (104°F).
Baclofen trade ?
Lioresal
Baclofen (Lioresal)
class ?
GABA receptor Stimulant (agonist)
_____________ is an amino acid which acts as a neurotransmitter in the central nervous system.
Gamma-Amino Butyric acid(GABA-b)
Baclofen (Lioresal)
inhibits _____ ___________ in the brain, calming nervous activity
nerve transmission
Baclofen (Lioresal)
: “ Think of it as a ___ depressant “
CNS
Baclofen have what effects ?
Sedative effects (anxiolytics)
Baclofen MOA ?
Inhibits monosynaptic and polysynaptic spinal reflexes (centrally-acting muscle relaxant)
Baclofen indication ?
Spacity
A beneficial property of ________ is thattoleranceto its muscle-related therapeutic benefits
baclofen
Baclofen retains its therapeutic anti-spasmodic effects even after ?
many years of continued use
- *can be on these for a while and you dont become resistance - continuously same dose (no tolerance)
- *
Discontinuation of baclofen can be associated with a ?
withdrawal syndrome
** you can get WD sxs. - taper it cause we dont want spastic sxs. **
Resemblesbenzodiazepine or alcohol withdrawal ?
Baclofen WD
Baclofen route ?
PO / Intrathecal
Baclofen pump
**intrathecal cath. into L2 or L3 that is not a dispensing
it is set at a standard dose and they can get an extra dose by hitting the button
the port underneath the skin and they go in a fill back up the port depending on the dosage depends on how frequently you need to refill **
Tizanidine trade ?
Zanaflex
**non-narcotic narcotic **
Tizanidine (Zanaflex)
MOA ?
Centrally acting alpha-2 adrenergic receptor agonist (centrally-acting muscle relaxant)
Tizanidine (Zanaflex)
indication ?
spasticity
Tizanidine (Zanaflex)
dosing ?
Start at 2mg PO q6-8hr
Goal of Drugs Used to Treat Gout are used because they ?
End painful attacks of gout
Prevent the formation of uric stones in the kidney
Prevent complications from uric stone formation in the joints