Phobic anxiety disorders
From WikiLectures
Etiology and Epidemiology in general[edit | edit source]
- generally w > m (2:1 ratio)
- in general very common ranging up to 10% of the population
- Fear → exaggerated + irrational against a thing or situation
- multifactorial: genetic, neurobiological factors (serotonin system, GABAergic transmission), environmental and developmental factors (stress, smoking, trauma)
- secondary to medical conditions (hyperthyroidism, CHF, asthma...)
Specific phobia (F40.2)[edit | edit source]
- examples: heights (acrophobia), needles (blenophobia), situations (flying), spiders (arachnophobia), dogs (cynophobia) snakes, clowns... (arachn
- Tx: CBT- Flooding, desensitization, alternatively: SSRIs or Benzos
Social anxiety (social phobia) (F40.1)[edit | edit source]
- Fear: Of other people, their criticism (and embarrassment), their perception, social situations → public speaking, going to a party, eating in public → can cause blushing, hand tremor, nausea, urgency
- Two types: Performance-only SAD and Social anxiety disorder (everything)
- typical: female, low self-esteem, does not want to look in the eye
- Tx: SSRIs/SNRIs or clonazepam (long acting benzo, if no response to SSRIs)
Agoraphobia (F40.0)[edit | edit source]
- Fear of situations, where it seems difficult to escape from or get help (Agora means market place, phobia is fear)
- Clinical features
- ≥ 6 months, in ≥ 2 of the following 5 situations
- Using public transportation
- Being in open spaces
- Being in enclosed places
- Standing in line or being in a crowd
- Being outside of the home alone → those places are actively avoided
- Therapy:
- CBT, SSRIs
- associated with panic disorder, social phobia
General anxiety disorder (F41.1, belongs to the group of other anxiety disorders)[edit | edit source]
- Fear: unspecific fear, not focused on a single specific fear -> e.g. a woman in middle age lying in bed worrying about everything and anything ("I hope my children, will not become like me", "Oh I have to give a presentation tomorrow", "Oh no did I really lock the door?". "I hope John will like his birthday present")
- Time: ≥ 6 months (i.e. prolonged, on most days)
- Causes significant distress, exclusion of medications and substances
- Restlessness and irritability, sleep disturbances and difficulty concentrating
- Tx: CBT, SSRIs
F41 is other anxiety disorders, which includes panic disorder, GAD, mixed anxiety and depressive disorder