IC 15 - Anxiety and Sleep Disorder Flashcards
What are anxiety disorders characterized by?
Severe, excessive, persistent anxiety and irrational fears that impairs functioning
How long does anxiety disorders lasts?
> 6 months
What are the 5 anxiety disorders that are amendable to drug treatments?
- Panic disorder
- Social Anxiety
- Generalized Anxiety
- OCD
- PTSD
What regulates the fear and worry circuit?
Amygdala (Fear)
Cortico-striatal-thalamic cortical loop (Worry)
What are the three neurotransmitters involved in anxiety disorders?
- Norepinephrine
- Serotonin
- GABA
List 4 medical conditions/categories associated with anxiety
- CVS (e.g. HF)
- Endocrine (e.g. hyperthyroidism)
- Neurologic (e.g. dementia and delirium)
- Pulmonary (asthma, COPD)
What is panic attack?
A discrete period of intense fear/ discomfort where someone experience 4 or more panic symptoms abruptly and reach peak within 10 minutes, lasting for up to 30 minutes
What is generalized anxiety disorder?
Excessive anxiety and worry occurring more days than not for ≥ 6 months about a number of events or activities.
List the 6 symptoms associated with GAD?
- Restless/ on the edge
- Fatigue
- Difficulty concentrating
- Irritable
- Muscle tension
- Sleep disturbance
What is panic disorder?
- Recurrent unexpected panic attacks
- Persistent anticipatory anxiety of another episode
What are social anxiety disorder?
Marked and persistent fear of ≥ 1 social/; performance situations and possible scrutiny by others that will be humiliating and embarrassing.
What are the clinical presentations of social anxiety disorders?
Avoidance/ endurance with intense anxiety/ distress of feared social/ performance situations that impair function.
What is the clinical presentation of OCD?
- Obsessions: recurrent and persistent thoughts/ impulses/ images that are intrusive and inappropriate and causes marked anxiety and distress
- Compulsions: Repetitive behaviors or mental acts that are unrealistic, excessive and aimed to prevent or reduce distress.
What are the clinical presentation of PTSD?
- Persistent re-experiencing of intrusion symptoms
- Avoidance of trauma-related stimuli
- Negatively altered cognitions and mood (e.g. “ I am bad”
- Altered arousal and reactivity (e.g. self harm)
How long should symptoms for PTSD persist?
> 1 month
What is the main non-pharmacologic therapy that is used for most anxiety disorder?
Cognitive Behavioral Therapy
Cognitive Behavioral Therapy is used ______ with medications.
in conjunction
What are the possible pharmacotherapy for GAD?
- SSRIs
- Venlafaxine XR
- Pregabalin
Which class of medications can be used for panic, social anxiety disorder, and PTSD?
SSRIs
What are the medications that can be used for OCD?
- SSRIs
- Clomipramine
- Venlafaxine
List three classes of drugs that are useful for long-term management of anxiety disorders, OCD and PTSD.
- SSRIs
- SNRIs
- Clomipramine
What is one side effects that patients can experience after starting antidepressant for the first 1 to 2 weeks?
Jitteriness
What is the recommended adjunct therapy for anxiety disorders?
Benzodiazepines
Serotonergic antidepressants are suitable for symptoms in anxiety associated with _________.
excessive worrying
What is the duration of anxiety disorder treatment?
1 to 2 years, typically long-term
When will full response of serotonergic antidepressants be achieved for anxiety disorders?
3 months
What are benzodiazepines useful for in treatment of anxiety disorders?
Physical symptoms (e.g. muscle tension)
How long are benzodiazepines given to treat anxiety disorders?
Short term ( 3 to 4 months) of treatment PRN
_____ is required for benzodiazepines to prevent dependence.
Gradual tapering
What are the high potency benzodiazepines that can be used in anxiety disorders? List three.
Clonazepam
Lorazepam
Alprazolam (usually for panic disorder)
Name the SSRIs that are FDA approved for GAD.
Escitalopram
Paroxetine
Name the SNRIs that are FDA approved for GAD.
Venlafaxine XE, duloxetine
Which antihistamines can be given as anxiolytic or hypnotic for GAD?
Hydroxyzine
List one anticonvulsants that can be used for GAD.
Pregabalin
What is the SNRI that is FDA approved and can be used for PD and Social anxiety attack?
Venlafaxine XR
What are the SSRIs that are FDA approved and can be used for PD?
Fluoxetine, Paroxetine, Sertraline
What are the SSRIs that are FDA approved and can be used for SAD?
Fluvoxamine, Paroxetine, Sertraline
What are the SSRIs indicated for OCD?
Fluoxetine, fluoxamine, Paroxetine, Sertraline
What are the SSRIs approved by FDA for treatment of PTSD?
Paroxetine, Sertraline
What are some general DDI of anti-depressants?
- Alcohol and CNS depressants
- Anticholinergics
- MAOIs and SSRIs/ TCAs combinations - serotonin syndrome
What are some DDI that may occur for benzodiazepines?
- CNS depressants
- Opioid (increased mortality)
What is the hormone that are secreted during sleep?
Melatonin
What are the 5 neurotransmitters that promotes alertness?
NE, DA, Ach, Histamine, Orexin
What is insomnia disorders?
Inability to initiate or maintain sleep, associated with daytime problems
What are the primary complains of unsatisfying sleep quantity or quality ?
- Difficulty with sleep initiation
- Difficulty with sleep maintenance
- Early-morning awakening
How long should symptoms for insomnia occur?
At least 3 nights per week and present for at least 3 months
Acute sleep insomnia is likely due to ____ .
acute stressor
What are the management for acute transient (< 1week) insomnia?
Sleep hygiene
What is the management for acute short term (<4weeks) insomia?
Short PRN course of hypnotics for 7 to 10 days
What are the causes of chronic insomnia?
Secondary to underlying psychiatric and/or medical problems
What are the medications that can be used for treatment of insomnia?
- Fast acting anxiolytics/ sedatives/ hypnotics (adjuncts)
What is the duration of treatment of insomnia?
1 to 2 weeks
What is the first line treatment for non-pharmacological treatment for insomnia?
Sleep hygiene
List two benzodiazepines that can be used as hypnotics for insomnia.
Lorazepam and Diazepam
List two Z-hypnotics that can be used for insomnia.
Zolpidem and Zopiclone
What is one side effect of Zopiclone?
Taste disturbance
What is one side effects of Z-hypnotics?
Complex sleep behaviors
List two antihistamines that may be used for insomnia.
Promethazine, hydroxyzine
Which populations are Lemborexant contraindicated in?
Narcolepsy, severe hepatic impairment and moderate-strong CYP3A inhibitors
List one group of patients that cannot be given benzodiazepines?
Respiratory depression