Lichen Planus of E. Wilson is also generally considered to be dependent on the state of the nervous system. This opinion is founded on the facts that the subjects are often obviously neurotic, and not infrequently the eruption follows marked shock, emotion, worry, etc., or coincides with the climacteric period. The general health may be unsatisfactory, and nervous dyspepsia exist, which calls for careful dieting. Sometimes very acute cases occur, and demand a simple bland diet with absence of any stimulating food.