<unk>  is a class of functional mental disorders involving chronic distress, but neither delusions nor hallucinations. The term is no longer used by the professional psychiatric community in the United States, having been eliminated from the Diagnostic and Statistical Manual of Mental Disorders (DSM) in 1980 with the publication of DSM III. However, it is still used in the ICD-10 Chapter V F40–48.<unk>  should not be mistaken for psychosis, which refers to a loss of touch with reality. Nor should it be mistaken for neuroticism, a fundamental personality trait proposed in the Big Five personality traits theory.
Neurosis
Sedation
Neophobia
Paralysis 
Paralysis
Extrapyramidal symptoms
Irritability
Hyperalgesia