Tactile hallucinations are noticed in: (A) Parkinsonism, (B) Chronic depression, (C) Chronic cocaine poisoning, (D) Acute barbiturate poisoning
Answer is C. Magnan's Syndrome / Cocaine Bugs This is seen in cocaine addicts. It is a type of tactile hallucination. There is a feeling as if grains of sand are lying under the skin or small insects are creeping on the skin giving rise to itching sensation (formication).