This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Forensic Medicine
Magnan's symptoms are associated with which poisoning event 
Select and explain. 
A. Cocaine, B. cannabis, C. Amphetamine, D. Alcohol
A: Cocaine
Answer: A: Cocaine 
Explanation: Magnan's symptom = cocaine bugs feeling of insect crawling under the skin ref : narayana reddy