Cannabis affects the severity of schizophrenic symptoms: Results of a clinical survey

Psychological Medicine

Volumn 16, Issue 3, 1986, Pages 515-520

  Knapp, Werner P ^a   Douglas, Donald E ^a  

^a MONTREAL GENERAL HOSPITAL   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

CANNABIS;

CENTRAL NERVOUS SYSTEM; DELUSION; DRUG EFFICACY; HALLUCINATION; HUMAN; INHALATIONAL DRUG ADMINISTRATION; MAJOR CLINICAL STUDY; METHODOLOGY; SCHIZOPHRENIA; SHORT SURVEY; THERAPY;

ADULT; DELUSIONS; FEMALE; HALLUCINATIONS; HUMAN; MALE; MARIJUANA ABUSE; PROGNOSIS; SCHIZOPHRENIA; SCHIZOPHRENIC PSYCHOLOGY; SUPPORT, NON-U.S. GOV'T;

EID: 0023036287     PISSN: 00332917     EISSN: 14698978     Source Type: Journal    
DOI: 10.1017/S0033291700010278     Document Type: Article

References (16)

1. Bernhardson, G. & Gunne, L. M. (1972). Forty six cases of psychosis in cannabis abusers. International Journal of Addiction 7, 9–16.
2. Davison K. & Wilson, C. H. (1972). Psychosis associated with cannabis smoking. British Journal of Addiction 67, 225–228.
3. Edwards, G. (1983). Psychopathology of a drug experience. British Journal of Psychiatry 143, 509–512.
4. Harding, T. & Knight, F. (1973). Marihuana-modified mania. Archives of General Psychiatry 29, 635–637.
5. Harrow, M., Carone, B. J. & Westermeyer, J. F. (1985). The course of psychosis in early phases of schizophrenia. American Journal of Psychiatry 142, 702–707.
6. Knudsen, P. & Vilmar, T. (1984). Cannabis and neuroleptic agents in schizophrenia. Acta Psychiatrica Scandinavica 69, 162–174.
7. Magliozzi, J. R., Kanter S. L., Csernansky, J. G. & Hollister, L. E. (1983). Detection of marijuana use in psychiatric patients by determination of urinary delta-9-tetrahydro-cannabinol-ll-oic acid. Journal of Nervous and Mental Disease 171, 246–249.
8. Melges, F. T. (1976). Tracking difficulties and paranoid ideation during hashish and alcohol intoxication. American Journal of Psychiatry 133, 1024–1028.
9. Negrete, J. C. (1983). Psychiatric effects of cannabis use. In Cannabis and Health Hazards (ed. K. Fehr and H. Kalant), pp. 577–616. Addiction Research Foundation: Toronto.
10. Negrete, J. C. (1985). Clinical psychiatric complications of cannabis use: an update. In Marihuana 84: Proceedings of the Oxford Symposium on Cannabis (ed. D. J. Harvey and W. Paton), pp. 581–592. IRL Press: Oxford.
11. O'Conner, J. D. & Regent, T. A. (1981). EMIT cannabinoid assay: confirmation by RIA and GC/MS. Journal of Analysis and Toxicology 5, 168–173.
12. Rottanburg, D., Robins, A. H., Ben-Arie, O., Teggin, A. & Elk, R. (1982). Cannabis-associated psychosis with hypomanic features. Lancet 2, 1364–1366.
13. Schneider, H. (1976). Drug abuse and schizophrenia. Archiv für Psychiatric und Nervenkrankheiten 222 (2–3), 267–279.
14. Tashner, K. L. (1983). Zur Psychopathologie und Differentialdiagnose sogennanter cannabis Psychosen (Psychopathology and differential diagnosis of the so-called cannabis psychosis). Fortschritte der Neurologie und Psychiatric 51(7), 235–248.
15. Treffert, D. A., (1978). Marijuana use in schizophrenia: a clear hazard. American Journal of Psychiatry 135, 1213–1215.
16. Westermeyer, J. & Walzer, U. (1975). Sociopathy and drug use in a young psychiatric population. Diseases of the Nervous System 36, 673–677.