Diagnosing Depression in Dementia: A Practical Guide for Primary Care

Depression is a common but often underdiagnosed co-morbidity in patients with dementia, leading to significant negative impacts on quality of life, cognitive decline, and caregiver burden. Due to overlapping symptoms and communication difficulties, diagnosis presents a formidable challenge in the primary care setting. This review outlines the epidemiology, clinical presentation, and diagnostic hurdles of depression in dementia, with a focus on practical, primary care-centric approaches. It discusses the application of validated screening tools, clarifies clinical features that distinguish depression from apathy, and details the role of the multidisciplinary team. This review provides a practical framework for Primary Care Physicians, including a clinical algorithm and a toolkit of screening instruments, to improve diagnostic accuracy and patient outcomes.