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: Forensic Medicine
Magnan syndrome is seen in which poisoning- 
Select and explain. 
A. Morphine, B. Alcohol, C. Cannabis, D. Cocaine
D: Cocaine
Answer: D: Cocaine 
Explanation: Ans. is 'd' i.e., Cocaine