
Major depressive disorder - Wikipedia
Major depressive disorder (MDD), also known as clinical depression, is a mental disorder [10] characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of …
Depression (major depressive disorder) - Symptoms and causes
Oct 14, 2022 · Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems. You may have …
Clinical Depression (Major Depressive Disorder): Symptoms
Nov 30, 2022 · Clinical depression, also known as major depressive disorder (MDD), is a mental health condition that causes a persistently low or depressed mood and a loss of interest in …
Depression (Major Depressive Disorder): Symptoms and More
Jul 5, 2025 · Major depressive disorder (MDD) is a common mood disorder characterized by persistent sadness and a loss of interest in activities, impacting mood, behavior, and physical …
Major Depressive Disorder | National Alliance on Mental Illness ... - NAMI
When more severe symptoms like lack of energy and hopelessness develop in multiple areas of a person’s life along with persistent sadness over at least two weeks, they may be experiencing …
Major Depressive Disorder: Symptoms, Causes, Treatment
Dec 11, 2025 · What Is Major Depressive Disorder? Major depressive disorder (MDD) is a serious mood disorder causing mild to severe symptoms that persist for two weeks or longer and …
Depression - National Institute of Mental Health (NIMH)
Depression (also called major depressive disorder or clinical depression) is different. It can cause severe symptoms that affect how you feel, think, and handle daily activities, such as sleeping, …
WebMD Depression Guide: Major Depressive Disorder
Major depressive disorder (MDD), or clinical depression, is marked by ever-present feelings of hopelessness that make it hard to eat, sleep, work, study, and enjoy the company of friends …
Major Depressive Disorder (MDD) - MentalHealth.com
Aug 7, 2025 · Major Depressive Disorder (MDD) is a common but serious mental health condition. This is more than just feeling sad or going through a rough patch; it’s a medical illness that …
Major Depression - Johns Hopkins Medicine
Antidepressants work by affecting the brain chemicals. Know that it takes 4 to 8 weeks for these medicines to have a full effect. Keep taking the medicine, even if it doesn’t seem to be working …