What is the main difference between anxiety and depression?

Anxiety involves future-focused worry and hyperarousal. Depression involves past-focused rumination and low mood, energy, and interest. However, overlap is common.

Can you have anxiety without depression?

Yes. Pure anxiety disorders exist without depressive symptoms. However, untreated anxiety can lead to depression over time.

Why is comorbidity important to screen for?

Comorbid anxiety and depression requires integrated treatment. Treatment focusing on only one condition may leave symptoms unresolved.

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Anxiety vs Depression: Overlap, Differences, and Co-occurrence

Peter Kolomiets

|March 31, 2026|Updated Apr 13, 2026|7 min

Anxiety vs Depression: Overlap, Differences, and Co-occurrence

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References

American Psychiatric Association (2013). Anxiety and Depressive Disorders: Diagnostic Criteria and Differentiating Features
Clark, L. A. & Watson, D. (1991). Distinguishing Anxiety and Depression: Why We Need to Measure Them Separately
Slade, T. & Watson, D. (2006). Comorbidity of Anxiety and Depression: Clinical and Research Implications

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