• A Kachaner, C Lemogne, and B Ranque.
• Service de médecine interne, hôpital européen Georges-Pompidou, AP-HP, Paris, France; Inserm, UMS 011 « Population-based Cohorts Unit », Paris-Saclay University, UVSQ, Paris, France. Electronic address: alexandra.kachaner@gmail.com.
• Rev Med Interne. 2024 Oct 1; 45 (10): 634640634-640.

AbstractFunctional somatic disorders (FSD) are common conditions that result in a significant deterioration of the quality of life. Their origin is multifactorial and poorly understood, and their management is often inadequately defined. Medications typically show limited effectiveness, while mind-body approaches play a central role, guided by three key principles: establishing an empathetic, respectful, and sincere doctor-patient relationship; promoting regular and gradual physical activity; and implementing cognitive behavioral therapy (CBT). Special attention must be devoted to establishing a trustworthy relationship between the physician and the patient. Recognizing the reality and severity of symptoms and providing a positive diagnosis as well as an explanatory model to account for them rationally are fundamental aspects of patient management. Cognitive and behavioral maintenance factors should be investigated and constitute therapeutic targets. Cognitive factors include focused attention on body functioning and catastrophizing. Patients frequently display avoidance behaviors, particularly in relation to physical exertion, and it is crucial to motivate them to reintroduce gradual physical activity customized to their abilities. This approach has demonstrated efficacy in improving fatigue, pain, and the physical and mental quality of life for patients with FSD. Among psychotherapeutic approaches, the benefit of CBT is well-established. The combination of gradual physical activity and CBT appears to be complementary. Other mind-body approaches such as mindfulness meditation might help although their level of evidence is weaker. Given the prevalence of FSD in the general population, it seems necessary for all physicians to be trained in managing this condition.Copyright © 2024 The Author(s). Published by Elsevier Masson SAS.. All rights reserved.

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