A malignant type of anxiety reaction seen in two to three percent of war neuroses.

Anguish and perplexity, rather than fear or excitement, are the primary features. Pulse remains above 120, respiration about 40.

Body temperature rises rapidly after seven days, the tongue becomes ulcerated, and jaundice and tympanitic abdomen may appear. Patients become restless, develop automatic movements and facial spasms.