Bipolar disorder in people with multiple sclerosis: an updated systematic review and meta-analysis
By
Omid Mirmosayyeb
Saeed Vaheb
Aysa Shaygannejad
Elaheh Foroughi
Mohammad Yazdan Panah
Vahid Shaygannejad
January 29, 2026
Clinical Scorecard: An Updated Systematic Review and Meta-Analysis of Bipolar Disorder in Individuals with Multiple Sclerosis
At a Glance
Category Detail
Condition Comorbidity of Bipolar Disorder (BD) in Multiple Sclerosis (MS) Key Mechanisms Inflammatory demyelination in CNS, white matter abnormalities, neuronal and axonal loss affecting mood-regulating neural circuits Target Population Adults (≥18 years) diagnosed with Multiple Sclerosis Care Setting Neurology and Psychiatry outpatient and inpatient clinical settings
Key Highlights
BD prevalence in people with MS (PwMS) varies widely, reported between 0% and 16.2%. BD in PwMS is associated with reduced medication adherence, poorer quality of life, and worsened prognosis. MS and BD share neuropathological features including white matter abnormalities and disrupted neural circuits regulating mood. Guideline-Based Recommendations
Diagnosis
Use established MS diagnostic criteria and DSM criteria for BD diagnosis. Consider overlapping symptoms and effects of disease-modifying therapies when diagnosing BD in PwMS. Management
Address both neurological and psychiatric symptoms to improve medication adherence and quality of life. Tailor treatment plans considering the comorbidity of MS and BD for optimal outcomes. Monitoring & Follow-up
Regularly monitor neuropsychiatric symptoms in PwMS to detect BD early. Assess medication adherence and quality of life during follow-up visits. Risks
Neuropsychiatric complications like BD can accelerate disability progression in MS. Misdiagnosis or delayed diagnosis of BD may worsen overall prognosis in PwMS. Patient & Prescribing Data
Adults with confirmed MS diagnosis exhibiting neuropsychiatric symptoms
BD comorbidity complicates treatment adherence and requires integrated neurological and psychiatric management strategies.
Clinical Best Practices
Implement systematic screening for BD in patients with MS to identify comorbid mood disorders early. Use multidisciplinary approaches involving neurology and psychiatry for comprehensive care. Consider the impact of disease-modifying therapies on mood symptoms when managing PwMS with BD. References
