PHARM III All Lectures Flashcards
(268 cards)
What are the two direct/ peripherally acring antispastic agents
Dantrolene and Botulium toxin A
They both alter function of nicotinic-muscle receptors or skeletal muscle fibers
What is the durantion of use and Clin/Ind for cyclobezaprine
Short term in combination with physcial therapy
Do not use for cerebral palsy or spinal cord injury
Has the potentail to lower the SZR threshold, DO NOT USE with tramadol
Can you use cyclobenzaprine and tramadol together
No! Both lower the SZR threshold
Since Cyclobenzaprine is like a TCA, what are its ADE and C/I
DROWSINESS , dry mouth, urinary retention, increadsed occular pressure
SERTONIN SYNDROME
C/I: Recent MI, any heart problems, DO NOT USE w/in 14 days of a MAOI
Hyperthyroidism
Caution in preg.
Orphenadrine is an analog of what other drug and is indicated for what condition
Diphenhydramine
Clinical Use: Treatment of muscle spasm associated with acute painful musculoskeletal conditions
Used short term (2-3 weeks)
Since orphanadrine is an anticholinergic what are its ADE and C/I
Anticholinergic effects: dry mouth (1st to appear); tachycardia, urinary hesitancy or retention, blurred vision, nausea/vomiting, etc.
High risk for confusion in elderly
Contraindications: glaucoma, pyloric or duodenal obstruction, stenosing peptic ulcers, prostatic hypertrophy or obstruction of the bladder neck, and myasthenia gravis
Carisoprodol is metabalized to what.. which is what gives it its anziolytic and sedative effects
Meprobamate
What is the clinical indication of carisoprodol
Relief of discomfort associated with acute, painful musculoskeletal conditions in adults
Used short term (2-3 weeks)
What are the ADE and C/I of carisoprodol
Withdrawl, sedation, dizzyness, HA, SZR,
Caution with ETOH and depressants
High risk of confusion in elderly
DO NOT USE IN PREGNANCY
Can Carisoproldol be used in pregnancy
NO , adverse events have been observed in animal reproduction studies
What is the clinical use and ADE of metaxalone
Clinical Use:
Relief of discomforts associated with acute, painful musculoskeletal conditions
Appears to cause less drowsiness than others
Adverse Effects:
Nausea, gastrointestinal upset, sedation, dizziness, headache, anxiety, or irritability
Serotonin Syndrome
Caution combining with alcohol and other CNS depressants
High risk for confusion in elderly
What is the Clin/use and ADE of methocarbamol
Adjunctive treatment of muscle spasm associated with acute painful musculoskeletal conditions
Treat muscle spasticity associated with tetanus (toxin) poisoning
ADE: BLACK BROWN OR GREEN URINE!
Caution in use wtih ETOH or depressants
C/I iv formulations in pts with renal impairment and hepatic impairment
A pt presents with tetanus poisoning, what Antispasmodic can you use to Tx
Methocarbamol
What is the clin use and ADE of tizanidine
Clinical Use:
Muscle spasticity
Short acting agent
Adverse Effects:
Drowsiness is the most prominent adverse effect
Start low and titrate the dose up (2mg TID)
What is the most prominent ADE of tizanidine
Drowsiness
Can also cause drymouth, HOTN, asthenia, and hepatotoxic (A2 agonist)
Baclofen inhibits the release of what substance in the spinal cord
Substance P
Which is better, baclofen or diazapem
Baclofen casues as much antispamodic activity as diazapem with out the same amount of sedation which can be a good thing
Can you use baclofen in SZR pts
Increased seizure activity reported in epileptic patients, therefore withdraw slowly
Can you use Diazapam in preg. Pts
Cat D, no
A pt presetns with post herpatic neuralgia, what medication can help
Gabapentin and Gabapentin enacarbil (prodrug)
Can Gabapentin Enacarbil be used for epilespy
prodrug for gabapentin and is indicated for post herpetic neuralgia and restless leg syndrome, NOT epilepsy
How are gabapentin and pregabalin eliminated
eliminated renally; adjustments may be necessary for renal dysfunction and hemodialysis
What are the ADE of Gabapentin and pregabalin
Dizziness, and wt gain
Gaba: drowsiness and fatigue
Pre: Sex Dyf., angioedema,
What is the antidote to Botulinum Toxin
Equine Botulinum Antitoxin