6 Types of Depression: DSM‑5 Symptoms, Triggers, Physical Signs & Best Treatments

The DSM-5-TR recognizes six depressive disorders, and telling them apart matters because the treatment differs: major depressive disorder, persistent depressive disorder or dysthymia, premenstrual dysphoric disorder, disruptive mood dysregulation disorder in young people, substance or medication-induced depressive disorder, and depressive disorder due to another medical condition. Depression and substance use often travel together and each makes the other worse, which is why getting the identification right is the first step. This page covers the symptoms, triggers and physical signs of each, and the treatments that work.

Persistent Depressive Disorder (PDD, a.k.a. dysthymia)

PDD is a chronic, lower‑grade depression lasting 2+ years (1+ year in youth). Symptoms can be milder than MDD but longer‑lasting, many people say it feels like their “default” mood. Cognitive‑behavioral therapy (CBT), behavioral activation, interpersonal therapy, and antidepressants are commonly used.

The DSM-5-TR recognizes six depressive disorders, and telling them apart matters because the treatment differs: major depressive disorder, persistent depressive disorder or dysthymia, premenstrual dysphoric disorder, disruptive mood dysregulation disorder in young people, substance or medication-induced depressive disorder, and depressive disorder due to another medical condition. Depression and substance use often travel together and each makes the other worse, which is why getting the identification right is the first step. This page covers the symptoms, triggers and physical signs of each, and the treatments that work.

Bipolar Depression

Although bipolar disorder is a separate DSM category, many people search for “types of depression” to understand its depressive episodes. These lows can be profound and may alternate with manic or hypomanic episodes (periods of elevated/irritable mood, less sleep, and risky behavior). Mood stabilizers and certain atypical antipsychotics are core; antidepressant monotherapy is generally not first‑line.

The DSM-5-TR recognizes six depressive disorders, and telling them apart matters because the treatment differs: major depressive disorder, persistent depressive disorder or dysthymia, premenstrual dysphoric disorder, disruptive mood dysregulation disorder in young people, substance or medication-induced depressive disorder, and depressive disorder due to another medical condition. Depression and substance use often travel together and each makes the other worse, which is why getting the identification right is the first step. This page covers the symptoms, triggers and physical signs of each, and the treatments that work.

Seasonal Affective Disorder (SAD)

SAD is major depressive disorder with seasonal pattern, most often starting in fall/winter and lifting in spring. First‑line options include bright light therapy, psychotherapy, and, when indicated, medication.

The DSM-5-TR recognizes six depressive disorders, and telling them apart matters because the treatment differs: major depressive disorder, persistent depressive disorder or dysthymia, premenstrual dysphoric disorder, disruptive mood dysregulation disorder in young people, substance or medication-induced depressive disorder, and depressive disorder due to another medical condition. Depression and substance use often travel together and each makes the other worse, which is why getting the identification right is the first step. This page covers the symptoms, triggers and physical signs of each, and the treatments that work.

Perinatal/Postpartum Depression

Depression during pregnancy or within a year after delivery can affect up to 1 in 7 birthing people. It is distinct from transient “baby blues” and deserves prompt care; psychotherapy and medications compatible with pregnancy/lactation are effective.

The DSM-5-TR recognizes six depressive disorders, and telling them apart matters because the treatment differs: major depressive disorder, persistent depressive disorder or dysthymia, premenstrual dysphoric disorder, disruptive mood dysregulation disorder in young people, substance or medication-induced depressive disorder, and depressive disorder due to another medical condition. Depression and substance use often travel together and each makes the other worse, which is why getting the identification right is the first step. This page covers the symptoms, triggers and physical signs of each, and the treatments that work.

Premenstrual Dysphoric Disorder (PMDD)

PMDD is a severe, cyclical mood disorder in the luteal phase (the week or so before menses), with marked irritability, sadness, mood swings, and impairment that improve shortly after bleeding starts. SSRIs, certain oral contraceptives, and lifestyle strategies have evidence.

The DSM-5-TR recognizes six depressive disorders, and telling them apart matters because the treatment differs: major depressive disorder, persistent depressive disorder or dysthymia, premenstrual dysphoric disorder, disruptive mood dysregulation disorder in young people, substance or medication-induced depressive disorder, and depressive disorder due to another medical condition. Depression and substance use often travel together and each makes the other worse, which is why getting the identification right is the first step. This page covers the symptoms, triggers and physical signs of each, and the treatments that work.

Depression physical symptoms you might notice

Beyond sadness depression, people often report headaches, stomachaches, generalized aches, sexual dysfunction, sleep problems, and fatigue. These depression physical symptoms are part of why depression can upend daily life, and why it’s not “just in your head.”

The DSM-5-TR recognizes six depressive disorders, and telling them apart matters because the treatment differs: major depressive disorder, persistent depressive disorder or dysthymia, premenstrual dysphoric disorder, disruptive mood dysregulation disorder in young people, substance or medication-induced depressive disorder, and depressive disorder due to another medical condition. Depression and substance use often travel together and each makes the other worse, which is why getting the identification right is the first step. This page covers the symptoms, triggers and physical signs of each, and the treatments that work.

Depression triggers (what can set off or worsen symptoms)

Common depression triggers include chronic stress, trauma, grief or major life changes, chronic medical illness or pain, certain medications or substances (including alcohol and other drugs), and sleep disruption. Genetics and brain chemistry are also involved. Addressing triggers is part of prevention and relapse planning.

The DSM-5-TR recognizes six depressive disorders, and telling them apart matters because the treatment differs: major depressive disorder, persistent depressive disorder or dysthymia, premenstrual dysphoric disorder, disruptive mood dysregulation disorder in young people, substance or medication-induced depressive disorder, and depressive disorder due to another medical condition. Depression and substance use often travel together and each makes the other worse, which is why getting the identification right is the first step. This page covers the symptoms, triggers and physical signs of each, and the treatments that work.

Treat depression without medication

For some, it’s reasonable to treat depression without medication using psychotherapy, structured behavioral activation, exercise, sleep regularity, problem‑solving therapy, and light therapy (for SAD). Discuss options and monitoring intervals with your clinician; switch or add modalities if you’re not improving.

The DSM-5-TR recognizes six depressive disorders, and telling them apart matters because the treatment differs: major depressive disorder, persistent depressive disorder or dysthymia, premenstrual dysphoric disorder, disruptive mood dysregulation disorder in young people, substance or medication-induced depressive disorder, and depressive disorder due to another medical condition. Depression and substance use often travel together and each makes the other worse, which is why getting the identification right is the first step. This page covers the symptoms, triggers and physical signs of each, and the treatments that work.

Ways to cope with depression (day‑to‑day)

• Keep a regular sleep‑wake schedule and morning light exposure.
• Use behavioral activation: schedule simple, mastery‑ or pleasure‑building tasks.
• Practice skills from therapy (e.g., CBT thought records, grounding).
• Move your body most days.
• Limit alcohol and non‑prescribed drugs; if substance use is part of the picture, seek integrated care. (ways to cope with depression)

The DSM-5-TR recognizes six depressive disorders, and telling them apart matters because the treatment differs: major depressive disorder, persistent depressive disorder or dysthymia, premenstrual dysphoric disorder, disruptive mood dysregulation disorder in young people, substance or medication-induced depressive disorder, and depressive disorder due to another medical condition. Depression and substance use often travel together and each makes the other worse, which is why getting the identification right is the first step. This page covers the symptoms, triggers and physical signs of each, and the treatments that work.

Depression and addiction: why they co‑occur, and what to do

Depression can increase substance use (for relief), and substance use can worsen or trigger depression. If you live with both, ask about integrated treatment (coordinated mental health and substance use care), which improves outcomes and is recommended by SAMHSA and NIDA.