With dysthymia (chronic low mood), depression symptoms are less severe but can last for a longer period of time. Causes are not definite but may include brain chemistry changes involving serotonin. Symptoms are persistent sadness, sleep problems, insomnia, feelings of guilt, loss of interest and energy, and more. Possible treatments include medications, therapy, and other options. Follow the links below to find WebMD's comprehensive coverage about how dysthymia is caused, how to treat it, and much more.
Causes and Symptoms of Depression
Find out the symptoms of depression and what can trigger it.
Double Depression: Definition, Symptoms, Treatment, and More
WebMD explains double depression, who is at risk, and how it's treated.
Chronic Depression (Dysthymia)
Need to learn more about chronic depression or dysthymia? Find out about dysthymia’s symptoms, diagnosis, and treatments such as antidepressants and psychotherapy.
WebMD explains common mood disorders, including Persistent Depressive Disorder and cyclothymic disorder.
Slideshows & Images
Slideshow: Surprising Signs of Depression
Worried you may be depressed or that a loved one needs help? See some signs of depression beyond sadness and trouble sleeping -- and when to seek help.
Slideshow: Myths and Facts About Depression
Folk remedies and half-truths still prevent many from getting treatment for depression. Pictures show unusual symptoms in men, seniors, and others, along with many ways to recover.
Slideshow: A Closer Look at Depression
What is depression? WebMD provides information on symptoms, tests, and treatments for many types of the disorder.