This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology, Subject name: Forensic Medicine
Hallucination of worms crawling over the body occurs in: 
Select and explain. 
A. Cocaine, B. Morphine, C. Cannabis, D. LSD
A: Cocaine
Answer: A: Cocaine 
Explanation: Ans: a (Cocaine) Ref: Reddy, 27th ed, p. 535Hallucination of worms crawling over the body occurs in cocaine poisoning - Magnan symptoms.Tactile hallucination -Delerium tremens.Amphetamine poisoning.Chronic cocaine poisoning.Atropine overdose.Lilliputian hallucination -Acute cocaine poisoning.Delirium tremens.