Review of the validity and significance of cannabis withdrawal syndrome.
Budney AJ, Hughes JR, Moore BA, Vandrey R
Department of Psychiatry, University of Vermont, 54 W. Twin Oaks Terrace, Suite 12, S. Burlington, VT 05403, USA. alan.budney@uvm.edu
The authors review the literature examining the validity and significance of cannabis withdrawal syndrome. Findings from animal laboratory research are briefly reviewed, and human laboratory and clinical studies are surveyed in more detail. Converging evidence from basic laboratory and clinical studies indicates that a withdrawal syndrome reliably follows discontinuation of chronic heavy use of cannabis or tetrahydrocannabinol. Common symptoms are primarily emotional and behavioral, although appetite change, weight loss, and physical discomfort are also frequently reported. The onset and time course of these symptoms appear similar to those of other substance withdrawal syndromes. The magnitude and severity of these symptoms appear substantial, and these findings suggest that the syndrome has clinical importance. Diagnostic criteria for cannabis withdrawal syndrome are proposed.
Published 29 October 2004 in Am J Psychiatry, 161(11): 1967-77.
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