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Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...

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Updated: Jul 4, 2026

A New Method for Inducing a Depression-Like Behavior in Rats

A New Method for Inducing a Depression-Like Behavior in Rats

Published on: February 22, 2018

[Depression and physical illness].

Constance Hazen¹, Yaël Soudry, Silla M Consoli

¹Service de psychologie clinique et psychiatrie de liaison, Hôpital européen Georges-Pompidou, 75908 Paris Cedex 15. cohazen@voila.fr

La Revue Du Praticien

|May 30, 2008

Summary

Depression often complicates physical illness, worsening outcomes and leading to treatment withdrawal. Recognizing this link is crucial for effective patient care and preventing adverse events.

Area of Science:

Psychiatry
Internal Medicine
Psychosomatic Medicine

Background:

Depression frequently co-occurs with physical illnesses, often underdiagnosed.
This association can exacerbate physical conditions, impair patient function, and lead to treatment non-adherence.
Depression's link to physical illness can stem from coincidence, psychological response, or direct biological/iatrogenic effects of the disease.

Purpose of the Study:

To highlight the complex relationship between depression and physical illness.
To emphasize the diagnostic challenges and clinical significance of comorbid depression.
To underscore the need for careful management and drug interaction monitoring.

Main Methods:

Literature review and clinical observation synthesis.

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An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents

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Analysis of the etiological pathways linking depression and somatic disorders.

Case study implications for clinical practice.

Main Results:

Comorbid depression significantly worsens physical illness prognosis.
Unexplained physical symptoms may indicate underlying depression.
Depressive mood is a risk factor for developing somatic disorders.

Conclusions:

The interplay between depression and physical illness requires heightened clinical awareness.
Careful prescription practices and vigilant monitoring for drug interactions are essential.
Early recognition and management of depression in physically ill patients are critical for improving outcomes.