Anxiety Flashcards
true or false: anxiety is the most commonly occurring psychiatric disorder
true
anxiety usually develops before the age of
30
is anxiety more common in men or women
women
What is anxiety
a normal and beneficial response to situations that are perceived as threatening, frightening, or disturbing. Becomes a disorder when it significantly impacts functioning
Drugs that cause anxiety (6)
Albuterol, caffeine, decongestants, levothyroxine, steroids, stimulants (ADHD meds)
what 6 medication classes may be used for anxiety?
Buspirone, BZDs, SSRIs, SNRIs, Hydroxyzine, herbal supplements
What kind of drug is buspirone?
serotonin (5HT)-1a receptor agonist
What specific anxiety disorder is treated by buspirone
generalized anxiety disorder (GAD)
The were two cons listed on the slides about buspirone….
often not dosed effectively and many patients and providers are skeptical of efficacy
Buspirone dose
10-15mg TID
what kind of interactions should we look for with buspirone
3A4 inducers and inhibitors
How long until we see efficacy from buspirone
3-4 weeks for initial efficacy
Which 4 BZDs are used for anxiety
alprazolam, lorazepam, clonazepam, diazepam
Why don’t guidelines support the use of BZDs for anxiety
misuse potential of BZDs
are BZDs or SSRIs more effective for anxiety according to studies
BZDs
How are BZDs dosed incorrectly in practice?
Usually given PRN so it doesn’t work well for anxiety
Should BZDs be used long-term or short term?
short term, may cause dependence or tolerance
Acute withdrawal of BZDs may lead to what?
life-threatening seizures
there are warning of prescribing BZDs for anxiety with ____ because of increased overdose death risk
opioids
BZDs with active metabolites have a higher ___ ___
fall risk
Which BZDs do not have active metabolites?
alprazolam, lorazepam, clonazepam, oxazepam
there are 3 BZDs that have a long acting active metabolite that increase risk for fall, especially in elderly
diazepam, clorazepate, and chlordiazepoxide
Side effects of BZDs (5)
sedation, paradoxical excitement, swallowing difficulties, impaired memory/recall, and psychomotor impairment
Can you discontinue BZDs immediately?
No, they must be tapered
BZDs and Beers criteria
usually considered inappropriate in elderly due to fall risk and paradoxical rxn
Which BZDs would we prefer in elderly?
Prefer LOT, lorazepam, oxazepam, and temazepam (short acting without active metabolites)
What specific type of anxiety is Hydroxyzine Pamoate FDA approved for?
generalized anxiety disorder (GAD)
Why would we use Hydroxyzine pamoate HCL salt over Hydroxyzine?
so the patient can take a dose that’s 10mg lower
How is hydroxyzine taken for anxiety and sleep
prn, especially if history of substance abuse
usual dose of hydroxyzine
25mg-50mg TID, usually at bedtime
What does hydroxyzine work on
serotonin 5HT2A antagonist and H1 receptor antagonist
Side effects of hydroxyzine (3)
sedation, QTc prolongation, anticholinergic side effects
Hydroxyzine and beers criteria
not recommended for use in elderly patients do to fall risk and anti-cholinergic side effects
how does propanolol help anxiety
decreases the physiological symptoms associated with anxiety like tachycardia, sweating, and flushing
what kind of anxiety is propanolol most helpful for
performance and situational anxiety (PRN)
dose of propanolol
low doses, 10-20mg BID/TID
What in a pts med history should be evaluated before prescribing propanolol
hx of asthma and CVD conditions
cons of propanolol for anxiety
may mask hyperglycemia and make depression worse
5 natural products used for anxiety
Kava, St Johns Wort, Passionflower, Valerian, Chamomile
Is Gabapentin and pregabalin FDA approved for anxiety
No, but they are still occasionally prescribed
Pts who have ____ and ____ with anxiety may be prescribed gabapentin or pregabalin
bipolar disorder and neuropathic pain
What condition besides anxiety is quetiapine usually prescribed for?
sleeplessness
should quetiapine be used for insomnia
“sleep medicine does not endorse the use of quetiapine for insomnia”
6 types of anxiety
generalized anxiety
panic disorder
social anxiety
obsessive compulsive disorder
ptsd
anxiety associated with other medical conditions
Drugs that induce anxiety
cocaine, beta agonists, caffeine, corticosteroids
what is the fear center of the brain and which neurotransmitter effects it
amygdala, norepinephrine
what neurotransmitter counteracts GABA
glutamate
what neurotransmitter does GABA counteract
norepinephrine
what does glutamic acid decarboxylase do?
converts glutamate to GABA in the CNS
What kind of drug is beneficial at 5HT1a serotonin receptors (agonist, antagonist, inverse agonist, partial agonist)
partial agonist
Duration and onset of BZDs for anxiety
quick onset, very effective
Onset of SSRIs, SNRIs, and other antidepressants for anxiety
take 2-4 weeks for onset of effects
benefits of ketamine for anxiety
nasal spray, very quick acting
what kind of drug is buspirone and what receptor does it act on
partial agonist, 5HT1a receptor
buspirone onset of action compared to BZD
longer onset of action
what are the benefits of Buspirone
low abuse potential, little to no withdrawal
Would you choose BZDs or Buspirone for panic disorders? Why?
I would choose BZDs, faster onset of action
Side effects of propanolol for anxiety
hallucinations, vivid dreams, lethargy, impotence
What must you do for the initial dose of propanolol
may need to test dose initially
what receptor does hydroxyzine work on
histamine H1 antagonist
Clonidine receptor target
alpha 2 agonist
what two kinds of anxiety does clonidine treat
panic attacks and anxiety associated with withdrawal
what is the receptor target of ondansetron
5HT3
what is the receptor target of Ketanserin
5HT2
Tiagabine blocks the uptake of what
GABA uptake blocker
target of d-cycloserine and memantine
NDMA receptor
LY354740 target
mGluR2/3 agonist
fenobam target
mGluR5
What is the first line agent for all kinds of anxiety
SSRIs and SNRIs
what kind of antipsychotics are approved for anxiety and treatment resistant OCD
atypical antipsychotics like aripiprazole and risperidone
What is generalized anxiety disorder
excessive anxiety/worry around a number of life events that is difficult to control
How long does anxiety have to be present to be classified as GAD?
at least 6 months
Do be classified as GAD, pt must have at least 3 symptoms including (7)
restlessness/feeling keyed up or on edge
being easily fatigued
difficulty concentrating
irritability
muscle tension
sleep disturbances
What is the first line therapy for GAD
SSRI antidepressants
What two SSRIs are approved for GAD
Paroxetine and escitalopram
SNRIs are a useful first line if patient also has what?
pain syndrome
What drug class can be used as a bridge therapy before SSRIs/SNRIs kick in
BZDs
What medication can be used prn for anxiety or symptoms of anxiety
hydroxyzine
What is social anxiety disorder
persistent fear about social and or performance situations in which the patient fears embarrassment or humiliation that is unreasonable
non pharm options for social anxiety disorder
avoid the specific situations
Duration of symptoms for social anxiety disorder
at least months
approved SSRIs for Social anxiety disorder
paroxetine and sertraline
approved SNRI for social anxiety disorder when SSRIs fail
venlafaxine
What class of drug may be useful for non-generalized performance related Social anxiety disorder
Beta-blockers
what drug is used for treatment resistant SAD
phenelzine
What is panic disorder
recurrent, unexpected panic attacks
what is an abrupt surge of intense fear or discomfort that reaches a peak in minutes and is accompanied by at least 4 physical and psychological symptoms
panic disorder
what symptoms are seen in panic disorder (7)
sweating, palpitations, nausea, dizziness, fear of losing control, going crazy, or dying
What is agoraphobia
fear of places that may cause panic or anxiety
true or false, panic disorder is characterized by at least one attack followed by one month or more of concern of attack or change of behavior related to attack
true
what is first line treatment for panic disorder
SSRIs
Which SNRI is approved for treatment of panic disorder
Venlafaxine
What is the recommendation for BZDs in panic disorder
should not be first line therapy unless there is an inadequate response to serotonin drugs
which BZDs are FDA approved for panic disorder
alprazolam and clonazepam
what does bridge therapy mean?
using benzodiazepines for panic attacks until SSRIs kick in.
What are obsessions
recurrent thoughts or images that are intrusive and cause anxiety, patient attempts to ignore but cannot
what are compulsions
repetitive behaviors in response to obessions
what are the two components of OCD
obsessions and compulsions
what can be expected by treatment of OCD
25-50% reduction in symptoms
what is the first line treatment for OCD
SSRIs
What is the second line therapy for OCD if patient fails SSRIs
Clomipramine (TCA)
Clomipramine’s only indication is
OCD
Can antipsychotics be used in OCD
not FDA approved, may be used for augmentation therapy with SSRIs/SNRIs
SSRIs and SNRIs can be used with what drug class to help OCD
antipsychotics
Which antipsychotic is best for OCD
Risperidone
which drug is inconsistently effective for OCD
Aripiprazole
what is PTSD
exposure to real or threatened death, serious injury, or sexual violence
what are four components of PTSD
flashbacks, reexperiencing, avoidance, hypervigilance
negative alterations in mood or cognition is a component of PTSD
true
what is the first line agent for PTSD
SSRIs/SNRIs
what drug is helpful for sleep or nightmares in PTSD patients
prazosin
What drug class is not recommended for PTSD
BZDs
Monotherapy usually works for PTSD
false
what is often a result of PTSD
substance use
what non-pharm options are beneficial for PTSD
CBT and eye movement desensitization and reprocessing
where in the brain is the focus of PTSD and what neurotransmitter is involved
norepinephrine in the amygdala
Is there any prevention for PTSD
not really
SSRIs and SNRIs may cause what syndrome
Jitteriness syndrome
how do you avoid jitteriness syndrome with SSRIs and SNRIs
initial dose should be lower than doses used for depression and follow up appropriately
In PTSD, drug therapy is more effective in combat trauma compared to civilian trauma
false, more effective in civilian trauma because it is usually a one-time event