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's symptom is ? 
Select and explain. 
A. Auditory hallucination, B. Visual hallucination, C. Tactile hallucination, D. Olfactory hallucination
C: Tactile hallucination
Answer: C: Tactile hallucination 
Explanation: Ans. is 'c' i.e., Tactile hallucination Magnan's symptoms is tactile hallucination (formication) i.e. feeling of bugs crawling under the skin seen with cocaine poisoning.