Anti-anxiety drugs Flashcards
What is general anxiety disorder?
Excessive/unreasonable/irrational anxiety about normal life circumstances
Interferes with normal daily functioning and rarely includes panic attacks
What is panic disorder?
Recurrent, unexpected panic attack characterized by intense fear/discomfort
Rapid onset may include palpitations, shaking, and numbness
On going worrying, avoidance of people/pleaces associated with previous panic attacks
What is obsessive compulsive disorder?
Need to check things repeatedly, perform rituals/routines- like hand washing
What is post traumatic stress disorder?
Stress disorder that can develop after experiencing a traumatic event
- Combat, car accident, phsyical/sexual assault
Anxiety is a core symptom that can be exacerbated by reminders of post trauma
What is social anxiety disorder?
persistent, irrational fear of one or more social situations
Blushing sweating trembling palpitations, nausea, panic attacks
Benzodiazepines are used for?
GAD and PD
SSRIS are used for?
GAD, PD, OCD,PTSD, SAD
TCA are used for?
PD
Venlafaxine (SNRI) are used for?
GAD
Buspirone is a what and used for?
5-HT1A and its used for GAD
Clomipramine is what and used for what?
TCA used for OCD
How do benzodiazepines work?
They act on GABA A receptors
How do GABA receptors work?
They increase chloride clearance and inhibit neuronal firing
Where do benzos bind on the GABA A receptors?
Between gamma2 and alpha 1
What other things bind to the GABA A receptors?
Ethanol
General anesthetics
Barbiturates
What is the antidote to benzodiazepines?
Fumazenil- it its a benzo antagonist, reverse its effects
What the different subunits of the GABA A receptors?
Alpha 1-6
BZ1 on alpha 1= sedation/hypnosis
BZ2 alpha 2,3,5= anxiolytics
Alpha 4 and 6 are non-BZ
As you increase the dose of benzos….
You increase the severity of sedation…. to coma and death