Bipolar Disorder in Older adults / Seniors: Prevalence, Risk & Key Differences

Key things to know What the evidence shows
How common is it? India age 60+: population-specific data exist; global strict estimate NE
Is it more common among older adults / seniors? New-onset BD is uncommon but established illness persists into later life
Are older adults / seniors at higher risk? Clinically important due to persistence, medical comorbidity and diagnostic complexity
How much higher is the risk? India NMHS current prevalence varies by age; no strong universal global RR
How often can it be missed? High; may be confused with dementia, medical illness or medication effects
Does it show up differently among older adults / seniors? Yes
How might it look different? Mania may present with agitation, confusion or disinhibition; depressive/cognitive symptoms may dominate
What commonly occurs alongside it? Anxiety; cognitive/neurological and medical disorders
What can it be confused with? Dementia/delirium; medication-induced mania; neurological disease; MDD
Common screening tool MDQ with caution
Separate screening tool for older adults / seniors None established
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