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
The sensation of creeping bugs over the body is a features of poisoning with 
Select and explain. 
A. Cocaine, B. Diazepam, C. Barbiturates, D. Brown sugar
A: Cocaine
Answer: A: Cocaine 
Explanation: The sensations of bugs crawling under skin are tactile hallucinations, called formication. These are seen in cocain abuse.