<prompt> Formication and delusion of persecution, both are together seen in -LSD psychosisAmphetamine psychosisCocaine psychosisCannabis psychosis  <response>: 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 Magnans symptom or cocaine bugs formication. REF;THE SYNOPSIS OF FORENSIC MEDICINE:KS NARAYANA REDDY;28th EDITION;PAGE NO 347 