5 Key Types of Depression: Severity, Duration, and Expert Insights

Depression is a multifaceted mental health condition involving multiple brain systems, with each person's experience unique.

Koko Beers, spokesperson for the Brain Foundation, highlights key factors for classifying depression types, drawing from established clinical expertise.

Depression Severity: Mild to Severe

Severity levels range widely. Mild depression involves manageable symptoms with minimal support, allowing daily functioning. Moderate to severe cases bring intensified symptoms that significantly disrupt normal life.

Duration and Frequency of Depressive Episodes

Depression also differs by duration and recurrence. About half of individuals experience episodes lasting under three months. In 15-20% of cases, it becomes chronic, persisting for years. While some have a single episode, recurrence affects 50-80% and rises with prior episodes. Preventing relapse—through psychotherapy, antidepressants, or both—is crucial.

Also read: What is depression?

Distinct Subtypes of Depression

Several recognized subtypes exist:

1. Seasonal affective disorder, such as autumn or winter depression.
2. Postpartum depression, common in women shortly after childbirth (also called postnatal depression).
3. Depression with psychotic features, including delusions and hallucinations.
4. Bipolar disorder, where depressive phases alternate with manic periods of elevated mood and high energy (formerly manic-depressive illness).
5. Premenstrual dysphoric disorder (PMDD) in women, a severe mood disorder preceding menstruation—not strictly depression.

Psychologist Merel provides a clear overview of these depression types in the video below.

{{video poster=https://www.sante.nl/app/uploads/2019/02/depression.jpg src=https://www.youtube.com/watch?v=4mDz0h_jlIk}}

Text: Jolien van der Kamp-Gielleit | Image: Shutterstock