Attention Deficit Hyperactivity Disorder Is Associated With a More Severe Pattern of Cocaine Consumption in Cocaine Users From French West Indies

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Attention deficit hyperactivity disorder (ADHD) is a frequent comorbidity in patients with substance use disorder. The aim of this cross-sectional study was to evaluate the consequences of ADHD comorbidity in cocaine users seeking treatment in Martinique.


During 15 months, all patients seeking treatment for cocaine dependence in a specialized center were assessed using the ADHD DSM-IV-TR (Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition-Text Revision) criteria and the French version of the Wender Utah Rating Scale.


Forty-six (44 men and 2 women) cocaine abusers were included. Among them, 10 (21.7%) patients met DSM-IV-TR full criteria for adult ADHD. Patients with ADHD spend significantly more money (3 fold) on cocaine per week than those without ADHD, which means that they use a higher dose. All patients with ADHD used cocaine in a pipe, which allowed a greater absorption compared to smoking cocaine in a joint or snorting cocaine powder; in contrast, only 53% of the subjects without ADHD used cocaine in a pipe.


Our study shows that cocaine users seeking treatment in Martinique with reported ADHD have a more severe pattern of cocaine consumption and the prevalence of ADHD's comorbidity in cocaine users is proximately equal to values previously found in the literature.

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