Mood Swings
Everyone has mood changes. Mood swings become concerning when they are intense, rapid, or disrupt daily life. Many medical, hormonal, and mental health conditions can cause them.
Table of Contents
Quick Facts
- ICD-10: R45.7
- Common in: Adolescents, hormonal changes
Common Causes
Hormonal
- Premenstrual syndrome / PMDD
- Pregnancy and postpartum
- Menopause and perimenopause
- Thyroid disorders
Mental health
- Depression
- Bipolar disorder
- Borderline personality disorder
- ADHD
- Substance use
Other
- Sleep deprivation
- Medications (steroids, some antidepressants)
- Low blood sugar
- Neurologic conditions
When to See a Doctor
See a doctor or mental health professional for mood swings that:
- Are intense or rapid
- Interfere with work, school, or relationships
- Include thoughts of self-harm or suicide (seek urgent care)
- Include extreme highs alongside lows
In the US, you can reach the 988 Suicide & Crisis Lifeline by calling or texting 988.
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.
References
- National Institute of Mental Health. Mental Health Information.