psy·chas·the·ni·a 
(sī′kəs-thēnē-ə)
(sī′kəs-thēnē-ə)n.
A group of psychiatric symptoms, including phobias, obsessions, and compulsions, that were formerly thought to constitute a distinct disorder but are currently attributed to other disorders, including obsessive-compulsive disorder and anxiety disorders.
psy′chas·thenic (-thĕnĭk) adj.