Depression.com - Understanding Depression - Treating Depression - Day by Day.
Health Center: Depression - Learn more about depression with AOL Health. Find out about symptoms and signs of depression and the different types of depression treatment.
Mayo Clinic: Depression (major depression) - Comprehensive overview covers symptoms, treatment and coping with this mood disorder.
MentalHelp.net - Major Depression (Depressive Disorder) & Unipolar Depression Forms, Symptoms & Treatments.
Mental Health: A Report of the Surgeon General: Mood Disorders - This section covers four mood disorders: Major depressive disorder, bipolar disorder, dysthymia, and cyclothymia.
National Institute of Mental Health (NIMH) - Depression symptoms, causes, and treatments, with information on getting help and coping.
NHS - Antidepressant Medicines - Antidepressants are medicines which treat the symptoms of depression. There are three main types of antidepressant:
Selective Serotonin Re-uptake Inhibitors (SSRIs)
Tricyclic Antidepressants (TCAs) and related medicines
Monoamine Oxidase Inhibitors (MAOIs)
Psychology Information Online - Depression information and treatment resources including Bipolar disorder and major depression.
NYU School of Medicine - Dept. of Psychiatry: Online Screening for Depression.