Background: According to the self-medication hypothesis, individuals with depression and anxiety disorders use alcohol to control their symptoms and subsequently become dependent. Conversely, alcohol dependence disorder (ADD) can cause or exacerbate psychiatric disorders. This study analyzed the characteristics of depression and social phobia secondary to ADD. (1) What is their functional impact? (2) Are they independent or associated conditions? (3) Do they completely remit in abstinent individuals? (4) Is the remission of one disorder associated with the remission of the other disorder? Methods: Sixty-four inpatients with ADD were evaluated with depression and anxiety disorder scales upon admission to hospital and after 5 weeks of detoxification. Results: Baseline comparisons differentiated patients with a Hamilton Rating Scale for Depression (HDRS) score >35 (n = 50; 78%) from those with an HDRS score ≤35 by higher levels of generalized anxiety and lower global functioning. Patients with generalized social phobia [Leibowitz Social Anxiety Scale (LSAS) score >60: n = 20; 31.2%] were not distinguishable from those with an LSAS score ≤60 by depressive and anxiety disorder symptoms. In postdetoxification assessment, patients who remitted from depression (HDRS score <7: n = 35; 54.6%) had a lower generalized anxiety and marginally higher levels of hypochondriasis compared to nonremitter subjects (HDRS score ≧7). Patients who remitted from social phobia (LSAS score <30: n = 32; 50%) did not significantly differ from nonremitter subjects in depressive and anxiety disorder symptoms. Generalized anxiety (Hamilton Rating Scale for Anxiety) and hypochondriasis (Whiteley Index) were the significant predictors of global functioning (Global Assessment Scale). Conclusions: Depression and social phobia secondary to ADD are independent conditions that do not completely remit after cessation of drinking. Specific treatments are needed to reduce residual depressive and anxiety symptoms in abstinent alcoholics.

Keywords:
Alcohol, Depression, Anxiety, Social phobia, Comorbidity, Detoxification
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© 2008 S. Karger AG, Basel
2008
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