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
Ekbom's syndrome is seen in 
Select and explain. 
A. Cocaine intoxication, B. Amphetamine, C. Severe depression, D. Acute psychosis
A: Cocaine intoxication
Answer: A: Cocaine intoxication 
Explanation: Ekbom's syndrome or Delusional parasitosis is seen in cocaine intoxication where patient feels a sensation of insects crawling over the body.