Bipolar Disorder vs. Depression: How Are They Different?

Pillars Clinical Team

Licensed clinicians & counselors

Shawn Kelly, LMHC
This article was clinically reviewed by Shawn Kelly, LMHC
Clinical Director | Clinical Review Policy
A sad woman looking out a window, experiencing bipolar disorder or depression.

Bipolar disorder and depression can share many of the same symptoms, including sadness, low energy, difficulty concentrating, changes in sleep, and loss of interest in activities. Because of these similarities, it can sometimes be difficult to understand how the two conditions differ. However, bipolar disorder and depressive disorders are distinct mental health conditions that require different approaches to diagnosis and treatment.

The primary difference is that bipolar disorder involves episodes of depression as well as episodes of mania or hypomania, while major depressive disorder does not involve manic or hypomanic episodes. Understanding this distinction is important when seeking professional care. Pillars Health Group offers both bipolar disorder treatment and depression treatment, providing support for individuals who are struggling with either condition.

What Is the Difference Between Bipolar Disorder and Depression?

The key difference between bipolar disorder and depression is the presence of manic or hypomanic episodes.

Depression, particularly major depressive disorder (MDD), is characterized by persistent periods of depressed mood or loss of interest or pleasure in activities. A person experiencing depression may feel hopeless, exhausted, withdrawn, or unable to enjoy things they once found meaningful.

Bipolar disorder also involves depressive episodes, but people with bipolar disorder experience periods of mania or hypomania. These episodes can involve unusually elevated, expansive, or irritable moods, increased energy, reduced need for sleep, racing thoughts, impulsive behavior, and increased activity.

This means someone with bipolar disorder may experience significant mood changes that go beyond the symptoms associated with depression alone.

What Symptoms Can Depression Cause?

Depression can cause emotional, physical, behavioral, and cognitive symptoms that affect everyday life.

Common symptoms of depression include:

  • Persistent sadness or emptiness
  • Loss of interest in hobbies or activities
  • Feelings of hopelessness or worthlessness
  • Fatigue or low energy
  • Difficulty concentrating or making decisions
  • Changes in appetite or weight
  • Sleeping too much or too little
  • Social withdrawal
  • Feelings of guilt
  • Irritability or frustration
  • Thoughts of death or suicide

Not everyone experiences depression in exactly the same way. Some people may primarily notice emotional symptoms, while others may experience significant physical changes or difficulty functioning at work, school, or home.

Pillars Health Group provides depression treatment designed to help individuals understand their symptoms, develop coping strategies, and work toward improved mental health.

What Symptoms Can Bipolar Disorder Cause?

Bipolar disorder can cause both depressive episodes and periods of mania or hypomania. The symptoms experienced can vary depending on the type of bipolar disorder and the current phase of the condition.

During a depressive episode, someone with bipolar disorder may experience many of the same symptoms associated with major depression, including sadness, low energy, withdrawal, sleep changes, and hopelessness.

During mania or hypomania, symptoms may include:

  • Increased energy or activity
  • An unusually elevated or irritable mood
  • Decreased need for sleep
  • Racing thoughts
  • Talking more rapidly or more than usual
  • Increased confidence or self-esteem
  • Difficulty staying focused
  • Impulsive spending or other risky behaviors
  • Increased goal-directed activity

Mania is more severe than hypomania and can cause significant impairment in daily functioning. In some cases, manic episodes can involve psychotic symptoms or require hospitalization.

Because bipolar disorder can involve both extremes of mood, professional assessment is important when someone experiences recurring or unusual changes in mood and energy.

Can Bipolar Disorder Look Like Depression?

Yes, bipolar disorder can initially look very similar to depression.

Someone experiencing a depressive episode related to bipolar disorder may have symptoms that are nearly indistinguishable from those of someone with major depressive disorder. They may feel hopeless, exhausted, disconnected from others, or unable to enjoy their normal activities.

The difference may only become apparent when a person has previously experienced mania or hypomania.

This is one reason why an accurate mental health assessment is so important. Treating depressive symptoms without recognizing underlying bipolar disorder can result in an inappropriate treatment approach. At Pillars Health Group, bipolar disorder treatment and depression treatment are available, allowing care to be tailored to the individual’s specific mental health needs.

How Are Mania and Hypomania Different From Depression?

Mania and hypomania are characterized by increased energy and changes in mood and behavior, while depression generally involves decreased energy, low mood, and loss of interest.

Mania is more intense and can significantly interfere with a person’s functioning. It may involve severe impulsivity, impaired judgment, extreme agitation, or psychosis.

Hypomania is less severe than mania but still represents a noticeable change from a person’s typical mood and behavior. Someone experiencing hypomania may feel unusually energetic, productive, confident, or social while needing significantly less sleep.

These episodes are important distinguishing features of bipolar disorder and are not characteristic of major depressive disorder.

Can Someone Have Depression Without Having Bipolar Disorder?

Yes. A person can experience major depressive disorder without ever experiencing mania or hypomania.

Depression is a common but serious mental health condition that can occur independently or alongside other mental health concerns. Experiencing depression does not automatically mean someone has bipolar disorder.

Likewise, having significant mood changes does not necessarily mean a person has bipolar disorder. Mood fluctuations can have many possible causes, which is why diagnosis should be made by a qualified mental health professional rather than based solely on symptoms found online.

How Are Bipolar Disorder and Depression Diagnosed?

Mental health professionals diagnose bipolar disorder and depression by evaluating a person’s symptoms, history, functioning, and patterns of mood changes.

For bipolar disorder, an important part of the assessment is determining whether the individual has experienced manic or hypomanic episodes. A clinician may ask about changes in sleep, energy, behavior, impulsivity, mood, and activity levels.

For depression, clinicians evaluate symptoms such as depressed mood, loss of interest, fatigue, changes in sleep or appetite, difficulty concentrating, and feelings of worthlessness or hopelessness.

A comprehensive assessment can also help identify co-occurring mental health or substance use concerns that may affect treatment.

How Are Bipolar Disorder and Depression Treated?

Both bipolar disorder and depression can be treated with professional mental health care, but treatment should be individualized according to the diagnosis and the person’s needs.

Treatment may include psychotherapy, psychiatric care, medication management when appropriate, psychoeducation, coping-skills development, and structured behavioral health programming.

For bipolar disorder, treatment often focuses on mood stabilization, recognizing early warning signs, managing triggers, improving sleep and daily routines, and preventing or reducing future mood episodes.

Depression treatment may focus on addressing negative thought patterns, improving daily functioning, developing healthy coping strategies, rebuilding connections, and identifying factors that contribute to depressive symptoms.

Pillars Health Group offers both bipolar disorder treatment and depression treatment, giving individuals access to structured support based on their specific mental health concerns.

When Should Someone Seek Treatment for Bipolar Disorder or Depression?

Professional treatment may be appropriate when symptoms persist, interfere with daily life, affect relationships, make work or school difficult, or become increasingly difficult to manage independently.

Someone should also seek immediate professional help if they are experiencing suicidal thoughts, severe behavioral changes, psychosis, or other symptoms that could indicate a mental health emergency.

Getting help does not require waiting until symptoms become severe. Early treatment can provide an opportunity to better understand what is happening and develop strategies for managing symptoms.

Get Bipolar Disorder and Depression Treatment at Pillars Health Group

Pillars Health Group provides mental health and addiction treatment for individuals experiencing bipolar disorder, depression, and other behavioral health concerns. We offer both bipolar disorder treatment and depression treatment, with care designed around each person’s needs and circumstances.

Pillars Health Group has three locations:

If you or someone you love is struggling with symptoms of bipolar disorder or depression, professional support can be an important step toward recovery. Contact Pillars Health Group at (855) 828-0575 to learn more about available treatment options and find out whether bipolar disorder treatment or depression treatment may be appropriate for your needs.

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