Exam 4 Pharmacology Flashcards
mild anxiety tx
SSRI > Benzo > TCAD, MAOIs
what is difference betwen Phase 1 and phase 2 metabolism
phase 1 is slow with long T1/2 that leads to daytime sedation and contraindicated in elderly.
phase 2 are fast with short t1/2 and good for elderly
Volatile anesthetic onset and recovery
slow
Phenobarbital action
faciltiates GABA-A channel opening, GABA indpendent.
Lamotrigine - class
new broad spectrum anti-epileptic that inhibits VSSC and VSCC
PTSD tx
SSRI not TCAD, MAOI, mirtazapine
Psuedoparkinsonism and treatment
ESP with traiditional antipsychotics
onset 5-90 days
Tx: anticholinergic
when is BZD used in overdoses?
CNS stimulant, hallucinogens, dissocitave anesthetics - for agitation support
Eszopiclone use
sleep maintence
BDZ - uses
alcohol withdrawal - Chlorodiazopoxide, lorazepam Anxiolytic for GAD, panic Short term insomnia parasomnia in kids Status epileptics - Lorazepam, diazepam
Phenytoin uses
Due to side effects not first choice in partial or tonic clonic
Add on for partial and tonic clonic
IV form - fosphenytoin used for active seizure
Half life of Z drugs
longest is Eszopiclone
Citalopram - class
SSRI
Trazodone uses
Insomnia to decrease REM but increase SWS
Antidepressant
Mirtazapine - class
alpha 2 antagonist to increase NE and antagonize 5HT2 and 5TH3
Suvorexant
Sleep aid that is antagonist to Orexin R (ynthesized in latera hypothalamus) used to reduce sleep latency, increase REM and NREM sleep
Schedule IV, very expensive!
lamotrigine ADRs
similar to pheytoin but much less
Dizzy, diplopia, skin rash, SJS
Halothane
volatile anesthetic
DDIs of Valproate
inhibits metabolism of CP450
which antidepressants cause sedation?
TCADs, Trazodone, mirtazapine
Lithium - class
Antimanic - maintenance and prophylaxis
Potency of Haloperidol vs. Chlorpamazine
Haloperidol is low potency compared to chlorpromazine
Levitracetam - ADRs
somnolence, dizziness, safe in pregnancy
metabolsim of barbiturates
cyp450 inducers