what is depression

What Is Depression? (Complete Guide)

Paula Team2 min read

Evidence-informed content reviewed for accuracy and safety

Introduction

You feel sad. Lost. Empty. You're not yourself. Could it be depression?

In this guide, I'll explain depression.

What Is Depression?

Definition

Depression (major depressive disorder) is a mood disorder characterized by persistent sadness, loss of interest, and other symptoms that interfere with daily life.

It's Not

  • Just sadness
  • A choice
  • Something to just "snap out of"
  • A character flaw

It Is

  • A real medical condition
  • Treatable
  • Common (affects millions)

Symptoms

Emotional

  • Persistent sadness
  • Loss of interest
  • Feeling empty
  • Irritability
  • Guilt
  • Worthlessness

Physical

  • Changes in appetite
  • Changes in sleep
  • Fatigue
  • Loss of energy
  • Physical aches

Cognitive

  • Difficulty concentrating
  • Difficulty making decisions
  • Thoughts of death or suicide

Behavioral

  • Withdrawing from activities
  • Withdrawing from people
  • Reduced productivity

Types of Depression

Major Depressive Disorder

Intense episodes of depression.

Persistent Depressive Disorder (Dysthymia)

Long-term, less severe depression.

Seasonal Affective Disorder (SAD)

Depression related to seasons (usually winter).

Postpartum Depression

Depression after having a baby.

Atypical Depression

Depression with specific features (mood reactivity).

Causes

Biological

  • Genetics
  • Brain chemistry
  • Hormones
  • Medical conditions

Psychological

  • Past trauma
  • Stress
  • Loss

Environmental

  • Life events
  • Social isolation
  • Substance use

Treatment

Therapy

Cognitive Behavioral Therapy (CBT)

  • Challenge negative thoughts
  • Change behaviors

Interpersonal Therapy

  • Improve relationships

Behavioral Activation

  • Increase engagement

Medication

Antidepressants

  • SSRIs (most common)
  • SNRIs
  • Tricyclics
  • Others

Lifestyle

  • Exercise
  • Sleep
  • Social connection
  • Healthy eating

How to Help Someone with Depression

1. Listen

Just listen without judging.

2. Validate

Let them know their feelings make sense.

3. Encourage Professional Help

4. Stay Connected

Check in regularly.

5. Be Patient

Recovery takes time.

Supporting Yourself

1. Reach Out

Don't isolate.

2. Get Professional Help

3. Take Care of Body

Exercise, sleep, eat well.

4. Set Small Goals

5. Celebrate Small Wins

When It's Severe

Signs

  • Thoughts of suicide
  • Can't function
  • Unable to care for self

Get Help Immediately

  • Call 988
  • Go to ER
  • Stay with someone

Conclusion

Depression is common and treatable. If you're struggling, reach out. Help is available.


Want more help? Paula is a free mental health app with tools for depression. Download it today.


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