Module 3: Anxiolytics & Hypnotics Flashcards
Anatomical localization of fear
basolateral, central, and medial nuclei of amygdala
Anatomical localization of anxiety
basolateral amygdala projections to bed nucleus of stria terminalis
Two drugs approved by FDA for panic disorder
Alprazolam (Xanax)
paroxetine (Paxil)
Approved for GAD and useful in panic disorder combined with depression
Venlafaxine (Effexor)
First-line treatment for OCD
SSRIs - Prozac Zoloft Luvox Paxil
Therapy techniques for OCD
Thought stopping
Saturation therapy
First-line treatment for PTSD
Zoloft
Paxil
A second consideration for PTSD
Buspar
What two TCAs have been shown to be effective in PTSD
Imipramine (Tofranil)
amitriptyline (Elavil)
How long should a trial of TCAs go on for treatment of PTSD?
8 weeks
Used as a first-line treatment for nightmares associated with PTSD
Prazosin (MiniPress)
Alpha-1 adrenergic blocker
Affect of Prazosin to decrease nightmares
Blocks adrenaline
Acts as agonist on benzodiazepine site of the GABA-a receptor
Zolpidem (Ambien)
Eszopiclone (Lunesta)
Approved for long-term use of anxiety
Lunesta
first-line treatment for most anxiety disorders
SSRIs
An azapirone effective in the treatment of GAD
Buspirone (BuSpar)
Used for performance anxiety or social anxiety
Beta blockers (Propranolol)
symptoms of GAD
Concentration, fatigue, arousal, muscle tension, irritability, sleep
symptoms of panic disorder
phobic avoidance, unexpected panic attacks
symptoms of Social Anxiety Disorder
Phobic avoidance/behavior change, expected panic attacks
symptoms of PTSD
sleep, arousal, avoidance
Fear center in the brain
amygdala
core symptoms of anxiety disorders
Fear, Worry
Worry loop in the brain
Cortico-striato-thalamo-cortical circuit
avoidance pathway in brain (motor responses)
periaqueductal gray area (PAG)
fight/flight
freeze
pathway of fear response in the brain
amygdala to
Anterior cingulate cortex (ACC) and Orbitofrontal cortex (OFC)
endocrine output of fear pathway in the brain
amygdala to hypothalamus
CYP enzymes in psychiatry
1A2
2D6
3A4
2C19 (sometimes)
Respiratory pathway in the brain in response to fear
amygdala to Parabrachial nucleus
Symptoms of respiratory response to fear
Increase respiratory rate, shortness of breath, asthma