High-functioning depression, also known as persistent depressive disorder (PDD) or dysthymia, is a type of depression where individuals experience chronic low-level depressive symptoms. Unlike major depressive disorder, where symptoms may be severe and episodic, high-functioning depression involves persistent feelings of sadness, fatigue, and a lack of interest or pleasure in activities. People with high-functioning depression often maintain a relatively normal daily functioning, which can make it challenging for others to recognize the extent of their internal struggles. They may continue to fulfill their responsibilities at work or in their personal lives, appearing functional on the