Anxiety Disorder Types
Types of anxiety disorder include:
Anxiety Disorder GAD
Generalized anxiety disorder (GAD) describes excessive anxiety and worry about aspects of daily living. Those who have generalized anxiety disorder feel anxious almost every day. The diagnosis requires symptoms to be present for more than 6 months.
Aspects of daily living that trigger anxiety include:
- Peer group
- Social relationships
Anxiety Disorder OCD
- The person experiences constant thoughts or images that interrupt normal thought processes.
- The thoughts or images are inappropriate and cause significant anxiety.
- The person attempts to suppress or ignore the thoughts or images.
- The person recognizes that the thoughts or images are a product of his or her own mind.
- The person feels driven to perform repetitive behaviors or mental acts.
- Examples of repetitive behaviors: hand washing, making lists, locking doors
- Examples of mental acts: praying, counting, repeating words silently
- The behaviors or acts are in response to an obsession or in response to a set of rigid rules.
- The behaviors or acts are thought to prevent distress or a dreaded event.
- The behaviors or acts are excessive and are not connected to the distress or event in a realistic way.
Those who have obsessive compulsive disorder may suffer from obsessions, compulsions or both.
Anxiety Disorder Panic Attacks
Panic attacks cause sudden severe episodes of anxiety for no clear reason. Panic attacks usually cause hyperventilation. Those who suffer from panic attacks are usually completely calm in between attacks.
Common symptoms of panic attacks with hyperventilation include:
- Severe anxiety
- Breathing more than 30 breaths per minute
- Tingling around the mouth
- Tingling in the fingers and the hands
Hyperventilation can lead to:
Anxiety Disorder Phobias
- Social phobia:
- Fear of a personal interaction that might result in embarrassment
- Fear of being alone in public places
- Fear of closed spaces
- Fear of foreigners
Additional phobias include fear of:
Panic attacks may accompany a phobia.
Anxiety Disorder PTSD
Post traumatic stress disorder (PTSD) describes anxiety that is caused by memories of a past traumatic experience. The experience is usually a severe trauma that was a threat to the person's life or someone else's life. However, any event that generates extreme fear, horror or helplessness could result in PTSD.
- Diagnosis of a life-threatening condition
- Natural disasters
- Severe automobile accidents
- Violent personal assaults
The person who has PTSD reexperiences the traumatic event in some way. These episodes are commonly called flashbacks.
Flashbacks may involve:
These intense flashbacks cause the person to avoid any thoughts, feelings or situations that might remind them of the event. Avoiding the flashbacks may cause the person to be irritable, be easily startled, lose concentration and suffer from insomnia.
- Bernstein GA, Shaw K: Practice parameters for the assessment of children and adolescents with anxiety disorders. American Academy of Child and Adolescent Psychiatry. J Am Acad Child Adolesc Psychiatry 1997; 36 (10 Suppl): 69S-84S. 
- Christmas DM, Hood SD. Recent developments in anxiety disorders. Recent Patents CNS Drug Discov. 2006 Nov;1(3):289-98. Review. 
- Denys D, de Geus F. Predictors of pharmacotherapy response in anxiety disorders. Curr Psychiatry Rep. 2005 Aug;7(4):252-7. 
- Gale C, Oakley-Browne M. Generalised anxiety disorder. Clin Evid. 2004 Jun;(11):1302-18. 
- Michael Kaplan E, DuPont RL. Benzodiazepines and anxiety disorders: a review for the practicing physician. Curr Med Res Opin. 2005 Jun;21(6):941-50.