<prompt> Formication and delusion of persecution occurs together in intoxication with:CocaineAmphetamineCannabisLSD  <response>: The complication of chronic cocaine use include acute anxiety reaction, uncontrolled compulsive behaviour, psychotic episodes with persecutory delusions and tactile hallucination Formication, delirium and delusional disorder. In amphetamine abuse these two do not occur together: Formication tactile hallucination is seen in Chronic abuse. Paranoid ideation delusion of persecution occurs in Acute intoxication. Ref: A sho Textbook of Psychiatry Niraj Ahuja 6th Ed Page 50, 51. 