Paranoid psychosis with cocaine is due to:
The occurrence of the psychotic symptoms depends on the dose, the duration of use, and the individual user's sensitivity to the substance. Paranoid delusions are the most frequent psychotic symptoms. Paranoid delusions and hallucinations can occur in up to 50 percent of all persons who use cocaine. Ref: Kaplan and Sadock's Synopsis of Psychiatry: Behavioral Sciences/Clinical ... By Benjamin J. Sadock, Virginia A. Sadock, 2007, Page 426
Tolerance
Withdrawal
Reverse tolerance
Intoxication