Formication and delusion of persecution, both are together seen in -: (A) LSD psychosis, (B) Amphetamine psychosis, (C) Cocaine psychosis, (D) Cannabis psychosis
Answer is C. cocaine causes * Psychosis * Auditory or visual hallucinations * Altered tactile sensation: the person feel that some small insects are crawling on his skin. This is known as Magnan's symptom or cocaine bugs (formication). REF;THE SYNOPSIS OF FORENSIC MEDICINE:KS NARAYANA REDDY;28th EDITION;PAGE NO 347