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. 2001 Dec;3(6):244-254.
doi: 10.4088/pcc.v03n0609.

The Comorbidity of Major Depression and Anxiety Disorders: Recognition and Management in Primary Care

Robert M. A. Hirschfeld  1
Affiliations

The Comorbidity of Major Depression and Anxiety Disorders: Recognition and Management in Primary Care

Robert M. A. Hirschfeld. Prim Care Companion J Clin Psychiatry. 2001 Dec.

Abstract

BACKGROUND: Depressive and anxiety disorders commonly occur together in patients presenting in the primary care setting. Although recognition of individual depressive and anxiety disorders has increased substantially in the past decade, recognition of comorbidity still lags. The current report reviews the epidemiology, clinical implications, and management of comorbidity in the primary care setting. METHOD: Literature was reviewed by 2 methods: (1) a MEDLINE search (1980-2001) using the key words depression, depressivedisorders, and anxietydisorders; comorbidity was also searched with individual anxiety diagnoses; and (2) direct search of psychiatry, primary care, and internal medicine journals over the past 5 years. RESULTS: Between 10% and 20% of adults in any given 12-month period will visit their primary care physician during an anxiety or depressive disorder episode (although typically for a nonpsychiatric complaint); more than 50% of these patients suffer from a comorbid second depressive or anxiety disorder. The presence of depressive/anxiety comorbidity substantially increases medical utilization and is associated with greater chronicity, slower recovery, increased rates of recurrence, and greater psychosocial disability. Typically, long-term treatment is indicated, although far less research is available to guide treatment decisions. Selective serotonin reuptake inhibitor antidepressants are the preferred treatment based on efficacy, safety, and tolerability criteria. Knowledge of their differential clinical and pharmacokinetic profiles can assist in optimizing treatment. CONCLUSION: Increased recognition of the high prevalence and negative psychosocial impact of depression and anxiety disorder comorbidity will lead to more effective treatment. While it is hoped that early and effective intervention will yield long-term benefits, research is needed to confirm this.

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Figures

Figure 1.
Figure 1.
Depression and Anxiety Comorbidity: 4 Common Clinical Presentations
Figure 2.
Figure 2.
Prevalence of Major Depression and Anxiety Disorders in the Communitya
Figure 3.
Figure 3.
Percentage of Patients With Major Depression Who Also Suffer From a Current Anxiety Disordera
Figure 4.
Figure 4.
Likelihood That a Concurrent Anxiety Disorder Is Also Present in Patients Diagnosed With Major Depressiona
Figure 5.
Figure 5.
Likelihood of Developing Major Depressive Disorder Within 1 Year in Patients Diagnosed With an Anxiety Disordera
Figure 6.
Figure 6.
Rates of Depression in Patients With Medical Illnessa
Figure 7.
Figure 7.
Time Course of Improvement in (A) MADRS Score and (B) Panic Attack Frequency During 26 Weeks of Treatment of Concurrent Panic Disorder and Major Depressiona
Figure 8.
Figure 8.
Comparison of Treatment Outcome Among Selective Serotonin Reuptake Inhibitors in Anxious Depressiona
Figure 9.
Figure 9.
Comparison of the Effect of Long-Term Selective Serotonin Reuptake Inhibitor Treatment on Weighta
Figure 10.
Figure 10.
Effect of Abrupt Selective Serotonin Reuptake Inhibitor Discontinuation on Occurrence of Withdrawal Symptomsa
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