MDD

abbreviation

major depressive disorder

Major depressive disorder (MDD) is a common and disabling psychiatric disorder in the United States that occurs across all racial and ethnic groups.

—Rahn Kennedy Bailey et al.

Medical Definition

MDD

abbreviation

major depressive disorder

Less than one-third of patients with major depressive disorder (MDD) achieve remission with their first antidepressant.

—Somaia Mohamed et al., The Journal of the American Medical Association