This stress disorder occurs after experiencing a psychologically traumatic event outside the range of usual experience such as rape, combat, bombings, kidnapping. The person with posttraumatic stress disorder re-experiences the event through recurrent dreams and flashbacks.
Person with post-traumatic stress disorder may commonly uses emotional numbness, detachment, and estrangement to defend against anxiety. Sleep disturbance, hypervigilance, guilt about surviving, poor concentration, and avoidance of activities that trigger memory of the event are the most symptom with post-traumatic stress disorder.
Phobias
Phobia is irrational fear of an object or situation that persists, although the person may recognize it as unreasonable. Sever anxiety will be occurred if the object, situation, or activity cannot be avoided
Types of Phobias include:
- Agoraphobia: Fear of being alone in open or public places where escape might be difficult; may not leave home
- Social phobia: Fear of situations in which one might be seen and embarrassed or criticized; fear of eating in public, public speaking, or performing
- Specific phobia: Fear of a single object, activity, or situation (eg, snakes, closed spaces, and flying)
Substance-induced anxiety disorder
A substance-induced anxiety disorder is sub-typed or categorized based on whether the prominent feature is generalized anxiety, panic attacks, obsessive-compulsive symptoms, or phobia symptoms. Drug use is related to this disorder.
Symptoms substance-induced anxiety disorder will develop within 1 month of substance intoxication or withdrawal and significant distress of impairment in social and occupational functional will be occurred.
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