Anxiolytics Flashcards
Mechanism of benzodiazepines
Act on GABA-A receptor to increase frequency of chloride channel opening
Side effects of benzodiazepines
Confusion, headache, amnesia
Ataxia
Disinhibition
Blurred vision/dysarthria
What drug is used for alcohol withdrawal syndrome
Diazepam
What is benzodiazepine overdose treated with
Flumazenil - antagonises benzodiazepines binding site
What 2 benzodiazepines can lead to addiction
Lorazepam
Alprazolam
Mechanism and use of Z drugs (zolpidem, zopiclone)
Bind to alpha 1 chloride channel on gaba-A
Hypnotic
Barbituates mechanism
Increase duration of GABA receptor
Mechanism of pregabalin
DecreSes excitatory neurotransmission on gated calcium channels
Mechanism of buspirone
Agonist at presynaptic 5HT1A receptors to decrease negative feedback and increase serotonin release and partial agonist at post synaptic 5HT1A to decrease serotonin neurotransmission
Presynaptic D2/3 antagonist