Formication and delusion of persecution occurs together in aEUR'
Cocaine psychosis (Ref. Nimboodiri 3/e p. 334; Essentials of clinical psychiatry 4/e p. 580] This question is tricky one as tactile hallucination (fornication) and delusion of persecution are seen both in cocaine as well as amphetamine abuse. Read the question carefully, examinor has asked about the presence of formication and delusion of persecution together. In amphetamine abuse these two do not occur together - Fornication (tactile hallucination) is seen in Chronic abuse. - Paranoid ideation (delusion of persecution) Acute intoxication. occurs in On the other hand both delusion of persecution and formication are seen together in chronic cocaine abuse. "Cocaine abuse can present with auditory hallucinations, tactile hallucination including fornication andparanoid delusion (delusion of persecution". -BK Puri 3/e 356
>Cocaine
>Amphetamine
>Cannabis
>LSD