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Cocaine has a potential to induce temporary psychosis[1] with more than half of cocaine abusers reporting at least some psychotic symptoms at some point.[2] Typical symptoms of sufferers include paranoid delusions that they are being followed and that their drug use is being watched accompanied by hallucinations that support the delusional beliefs.[3] Delusional parasitosis with formication ("cocaine bugs") is also a fairly common symptom.[4]

Cocaine-induced psychosis shows sensitization toward the psychotic effects of the drug. This means that psychosis becomes more severe with repeated intermittent use.[3][5]

See alsoEdit


  1. Brady KT, Lydiard RB, Malcolm R, Ballenger JC. Cocaine-induced psychosis. J Clin Psychiatry. 1991;52:509–512.
  2. Thirthalli, Jagadisha, Vivek Benegal Department of Psychiatry, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bangalore, India. MD. Psychosis Among Substance Users. National Institute of Mental Health and Neuro Sciences (NIMHANS), Bangalore. URL accessed on 8 August 2011.
  3. 3.0 3.1 Psychosis Among Substance Users: Cocaine, Medscape
  4. Elliott, A., Mahmood, T. and Smalligan, R. D. (2012), Cocaine Bugs: A Case Report of Cocaine-Induced Delusions of Parasitosis. The American Journal on Addictions, 21: 180–181.
  5. Drug-induced psychosis: Emergency diagnosis and management, Psychosomatics. DiSCLAFANI et al. 22 (10): 845. 1981 Accessed 5-20-2010

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