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Published on: 7/21/2026

What is a mood swings disorder and how is it diagnosed?

Yoshinori Abe

Reviewed by Yoshinori Abe, MD

Internal Medicine

Mood swings disorder is characterized by significant, extreme shifts in mood and is most commonly associated with bipolar disorder. Diagnosis typically involves a healthcare provider observing and evaluating these mood patterns over time, rather than relying on a single test.

Key facts about mood swings disorder:

  • Symptoms: Rapid or intense shifts between emotional highs (mania or hypomania) and lows (depression).
  • Common cause: Bipolar disorder, though hormonal changes, stress, and other mental health conditions can also contribute.
  • Diagnosis: Based on medical history, symptom tracking, and clinical evaluation over weeks or months.
  • Treatment: May include therapy, medication, and lifestyle adjustments.

If you're experiencing unpredictable mood changes, understanding the root cause is the first step toward feeling better. Because mood swings can stem from many conditions—ranging from bipolar disorder to thyroid issues or hormonal imbalances—getting personalized insight matters. Take a free, instant, online symptom check to help identify what may be going on and guide your next steps with confidence.

Reviewed for medical accuracy: 07/20/2026

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Important Next Steps

Learn what mood swings may indicateDiscover if mood swings need careFind likely causes of your mood swingsSee OTC options for mood swingsFind a doctor for mood disordersDiscover home remedies for mood swingsCheck if mood swings signal something serious

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Explanation

Mood swings disorder is often associated with bipolar disorder, which is characterized by extreme changes in mood, energy, and activity levels. These swings can range from feeling very happy and energetic (mania) to feeling very sad and tired (depression).

Diagnosis

  1. Observation: Doctors look for patterns of mood changes over time. This involves tracking how often and how severe the mood swings are.
  2. History: A detailed medical and family history is taken to see if there are any patterns or triggers.
  3. Symptoms: Early mood swings can be a sign of what is called the 'bipolar prodrome,' which means the early signs of bipolar disorder.

If you or someone you know is experiencing severe mood swings, it's important to seek help. You can start by using Ubie's free AI symptom checker to better understand your symptoms and get personalized guidance on next steps.

(References)

  • Ozgürdal S, van Haren E, Hauser M, Ströhle A, Bauer M, Assion HJ, & Juckel G. (2009). Early mood swings as symptoms of the bipolar prodrome. Psychopathology, 19672137.

  • Friedlander AH, Friedlander IK, & Marder SR. (2002). Bipolar I disorder: psychopathology, medical management .... Journal of the American Dental Association (1939), 12356252.

  • (2002). Bipolar disorder. Extreme mood swings. Mayo Clinic health letter (English ed.), 11977228.

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