Hypochondriasis
CBT proved consistently effective (four of four trials in-
volving a total of 345 patients). One pilot study of explanatory
therapy in 20 patients was also positive. All five trials also
showed benefits in terms of hypochondriacal cognitions and
behaviors.
Body Dysmorphic Disorder
CBT was effective in two of two trials involving a total of
73 patients, and fluoxetine was effective in a single trial
involving 67 patients. All three trials also showed benefits in
terms of obsessive-compulsive BDD beliefs and behaviors.
Conversion Disorder
There were only three small studies of conversion disorder
(two using hypnosis and one using paradoxical intention), and
the results were inconclusive.