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Writer's pictureJason Galdo

Types of Mood Disorders


Types of Mood Disorders

Mood disorders are mental health conditions that primarily affect a person's emotional state. While we all experience a range of emotions throughout our lives, people with mood disorders face extended periods of intense emotion, whether that’s prolonged sadness, high-energy euphoria, or even a mix of both. Recognizing and understanding these types can help individuals seek appropriate support and treatment. Here’s a closer look at some common types of mood disorders, their symptoms, and how they affect people.


1. Major Depressive Disorder (MDD)

Also known as clinical depression, MDD is one of the most well-known and researched mood disorders. It involves persistent feelings of sadness, hopelessness, and a lack of interest in activities once enjoyed. People with MDD may struggle with daily tasks, experience changes in sleep and appetite, and even have suicidal thoughts.

Symptoms of MDD include:

  • Persistent sadness or low mood

  • Fatigue or lack of energy

  • Difficulty concentrating

  • Changes in sleep and appetite

  • Feelings of guilt or worthlessness

This disorder often requires a combination of therapy and medication to manage symptoms effectively.


Bipolar disorder is characterized by significant shifts in mood, energy, and behavior, which can range from manic highs to depressive lows. There are two main types of bipolar disorder:

  • Bipolar I Disorder involves severe manic episodes that may require hospitalization, often followed by depressive episodes.

  • Bipolar II Disorder is marked by milder manic phases, known as hypomania, and depressive episodes.

During a manic phase, individuals may feel euphoric, overly energetic, or irritable, while depressive episodes mimic symptoms of MDD. Treatment often includes mood stabilizers, psychotherapy, and lifestyle adjustments.


3. Persistent Depressive Disorder (PDD)

Also called dysthymia, PDD is a long-term form of depression where symptoms persist for at least two years but are usually less severe than MDD. This disorder can make individuals feel as though they’re always down or “just not themselves.”

Common signs of PDD include:

  • Chronic sadness or low energy

  • Feelings of inadequacy or low self-esteem

  • Difficulty feeling joy or pleasure

  • Sleep disturbances

While PDD may not have the intense depressive episodes seen in MDD, it can still significantly impact daily life and requires treatment to improve mood and overall quality of life.


4. Cyclothymic Disorder

Cyclothymic disorder, a milder form of bipolar disorder, involves emotional highs and lows that are less extreme. Individuals with cyclothymic disorder experience periods of hypomania and mild depression, but these shifts are generally shorter and less severe than those seen in bipolar disorder. The disorder typically lasts for at least two years, making it challenging for individuals to maintain stable moods.


5. Seasonal Affective Disorder (SAD)

SAD is a type of depression linked to the changing seasons, most commonly occurring in fall and winter when there is less sunlight. This lack of light can disrupt the body’s internal clock, leading to feelings of sadness, fatigue, and other symptoms of depression. Some individuals experience SAD in the summer, but winter is the more common season for this disorder.

Symptoms of SAD include:

  • Low energy

  • Excessive sleepiness

  • Increased appetite and cravings for carbohydrates

  • Social withdrawal

Light therapy, along with counseling or medication, is often effective in managing symptoms of SAD.


6. Premenstrual Dysphoric Disorder (PMDD)

PMDD is a severe form of premenstrual syndrome (PMS) that can cause mood swings, irritability, and depression in the days leading up to menstruation. Symptoms of PMDD can be severe enough to interfere with work, school, and relationships, making it a serious and sometimes misunderstood mood disorder.

Common symptoms of PMDD:

  • Mood swings or irritability

  • Feelings of sadness or hopelessness

  • Physical symptoms such as bloating or cramps

  • Difficulty concentrating


Seeking Help for Mood Disorders

Mood disorders are complex, and treatment is often personalized, involving therapy, medication, lifestyle changes, or a combination of these. Early diagnosis and intervention can make a significant difference, helping people manage symptoms and improve their quality of life. If you or someone you know is experiencing symptoms of a mood disorder, reaching out to a mental health professional is a great first step toward understanding and managing these challenges.


If you or a loved one are struggling with mental health issues, please give us a call today at 833-479-0797.


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