What are the potential causes of severe mood swings?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Severe mood swings are often linked to anxiety and panic disorders, and they can typically be managed with mood stabilizers prescribed by a healthcare provider. Identifying the underlying cause is essential, as mood swings may also signal other conditions such as bipolar disorder, depression, or hormonal imbalances.

If you're experiencing intense or unpredictable shifts in mood, don't guess at what's going on. Taking a free, instant, online symptom check can help you understand possible causes based on your specific symptoms and guide you toward the right next steps—whether that's self-care, seeing a specialist, or seeking urgent care. It's fast, private, and empowers you to make informed decisions about your health.

Reviewed for medical accuracy: 07/20/2026

Important Next Steps

Learn what causes severe mood swings Find if mood swings need care Discover if symptoms suggest a serious cause See OTC options for mood swings Find a doctor for mood swings Understand home remedies for mood swings Check likely causes of severe mood swings

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Explanation

Severe mood swings can be caused by different mental health conditions. Research shows that individuals with panic disorder often experience mood swings. Similarly, anxiety disorders can also lead to mood changes. Managing these mood swings can be challenging, but mood stabilizers might be helpful.

Panic Disorder: People with panic disorder may have sudden changes in mood due to intense feelings of fear or anxiety.
Anxiety Disorders: These disorders can cause emotional ups and downs, impacting a person's mood significantly.
Mood Stabilizers: These medications may target specific pathways in the brain to help control mood swings.

If you or someone you know is experiencing severe mood swings, it is essential to seek help from a mental health professional. To better understand what might be causing your symptoms, you can take a free symptom checker assessment to get personalized insights and guidance on next steps.

(References)

Bowen R, South M, & Hawkes J. (1994). Mood swings in patients with panic disorder. Canadian journal of psychiatry. Revue canadienne de psychiatrie, 8149324.
Bowen R, Clark M, & Baetz M. (2004). Mood swings in patients with anxiety disorders compared .... Journal of affective disorders, 15013242.
Lee JG, Woo YS, Park SW, Seog DH, Seo MK, & Bahk WM. (2022). Possible Therapeutic Targets of Mood Stabilizers. Clinical psychopharmacology and neuroscience : the official scientific journal of the Korean College of Neuropsychopharmacology, 35466094.

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