This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Delirium tremens is caused by ? 
Select and explain. 
A. Chronic alcoholism, B. Alcohol withdrawal, C. Cocaine abuse, D. Cocaine withdrawal
B: Alcohol withdrawal
Answer: B: Alcohol withdrawal 
Explanation: Alcohol withdrawal REF: Kaplan & Sadock's Synopsis of Psychiatry 9th edition page 396-413ALCOHOL INDUCED CONDITIONS Alcohol withdrawal syndromeChronic use syndromes*Hangover (most common)*Wernicke's Encephalopathy*Alcoholic Hallucinosis*Korsakoff's Psychosis*Alcoholic seizures (Rum fits)*Marchiaa Bignami disease*Delirium Tremens