Anxiety disorders includes recurrent episodes of unexpected feelings of forceful anxiety and fear or terror that reach a peak within minutes like a panic attacks. These anxiety feelings and panic restrict the daily activities, are difficult to control, are out of the person’s hand to the actual danger and can last a long time.
Types:  
Agoraphobia  
anxiety disorder due to a medical condition  
Generalized anxiety disorder  
Panic disorder
Selective mutism  
Separation anxiety disorder  
Social anxiety dis 
Substance-induced anxiety disorder  
Other specified anxiety disorders and unspecified anxiety disorder