Pharm, Alcohol part I Flashcards
Drugs for Tx of acute alcohol withdrawal
diazepam
lorazepam
oxazepam
thiamine
drugs for prevention alcohol abuse
acamprosate
disulfiram
naltrexone
what drugs are used for Tx acute methanol or ethylene glycol poisoning
ethanol
fomepizole
defintion alcohol abuse
use of alcohol in dangerous situtation like drinking.driving or combination with other meds
alcohol dependence
alcohol abuse plus physical dependence on alcohol like tolerance to alcohol and signs and Sx upon withdrawal
peak blood levels alcohol
30 min after ingestion if empty stomach
typical 70 kg adult can metabolize
7-10 g alcohol per hour
what is required to convert ethanol to acetaldehyde
NAD+
aspirin interaction with ADH
inhibits gastric ADH and increase ethanol bioavailability
MOA fomepizole
inhibits ADH and used in Tx of acute methanol or ethylene glycol poisoning
what is produced when acetaldehyde converted to acetic acid
NADH
what drug inhibits ALDH
disulfiram
what population has low activity level mitochondrial ALDH
asian
if have low activity level mitochondrial ALDH what happens when drink alcohol
facial flushing light headedness palpitations nausea general hangover
how to cytochrome P450s metabolize ehtanol
use NADPH as cofactor in metabolism of ethanol to acetaldehyde
chronic alcohol consumption induces microsomal ethanol oxidizing system and results in what
activation of toxins, free radicals and hydrogen peroxide
alcohol effects on glutamate
inhibits ability of glutamate to activate and open NMDA R
leads to inc depression of CNS
memory loss can occur as a result (blackout)
Alcohol effects on GABA
enhances GABA on GABA a R and leads to increased depression of CNS
depression of myocardial contractility observed when drinking what amount
people who acutely drink moderate amounts
BAC >100
alcohol effects on smooth muscle
vasodilation and smooth muscle relaxation
can cause hypothermia in severe overdose
cause uterine mm relaxation