Psychiatric underdiagnosis of panic disorders is due to its particular somatization profiles. Cardial somatization is very common, but focal neurological symptoms and a pattern of gastro-intestinal complaints deserve more attention. Recent research into biological data is discussed, and the importance of psychological issues--childhood separation or sexual victimisation--and cognitive factors is stressed. Breaking up outcome data in degree of remission and relapse rate for an exact judgment of different treatment strategies is needed.