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Anxiety & PD 411
Anxiety and Panic Disorders
| Question | Answer |
|---|---|
| Anxiety 3 Neuro-chemical theories | Noradrenergic Model (hypersensitive ANS), Benzodiazepine Receptor Model (inhibitory pathway deficit, can't calm down), Serotonin Model (inhibitory NT, may help reduce ANS hyperactive state) |
| Most effective and safe meds for ACUTE anxiety symptoms | Benzodiazepines |
| Benzodiazepines ADRs | CNS depression, anterograde amnesia, dependence, w/drawal |
| BZDs w/ rapid onset of action | Diazepam & Clorazapate (0.5-1hr) |
| BZDs w/ slow onset of action | Lorazapam & Oxasepam (2-4 hrs) |
| Benzodiazepines drugs | Alprazolam, Clonazapam, Chlordiazepoxide, Clorazepate, Diazepam, Halazepam, Lorazepam, Oxazepam |
| Buspirone ADRs | No sedation, no abuse potential, dizziness, HA, nausea |
| Buspirone Onset | 1 week |
| Buspirone Max effect | 4-6 weeks |
| When to use Buspirone | chronic, persistent anxiety |
| When to use Antidepressants for anxiety | first line for long term management of GAD. Effective w/ comorbid depression |
| Antidepressants for anxiety Onset | delayed, 2-4 weeks |
| Beta-blockers for anxiety most effective when: | prominient cardiovascular symptoms accompany GAD (stage fright) |
| First Line therapy for Panic Disorder | SSRI's |
| SSRI's for PD ADRs | GI upset, weight gain, sexual dysfunction, w/drawal |
| SSRI's for PD onset | Delayed, 3-5 wks, up to 8-12 wks |
| TCA's for PD drugs | Imipramine |
| MAOI's for PD | Reserved for treatment refractory pts b/c of ADRs & interactions |
| BZDs for PD Onset | Rapid |
| BZDs for PD ADRs | w/drawal, CNS depression, dependence, anterograde amnesia, abuse potential |
| Imipramine | TCA’s for PD drugs |
| Diazepam & Clorazapate | BZDs w/ rapid onset of action |
| Lorazapam & Oxasepam | BZDs w/ slow onset of action |