<prompt> In delirium tremens all are true, except :Gross tremorSeen in alcoholic withdrawalFits may occurOrientation clear  <response>: Delirium tremens is the most dramatic and grave of all the acute alcoholic illnesses. It is characterized by profound confusion, delusions, vivid hallucinations, tremor, agitation, and sleeplessness, as well as by the signs of increased autonomic nervous system activity--i.e., dilated pupils, fever, tachycardia, and profuse perspiration. Ref: Samuels M.A. 2009. Chapter 42. Alcohol and Alcoholism. In M.A. Samuels Ed, Adams and Victors Principles of Neurology, 9e. 