Is it ADHD or Bipolar?

ADHD vs Bipolar, How to tell ADHD from Bipolar, Adult ADHD symptoms

Why they get confused:

Both ADHD and bipolar disorder can show distractibility, restlessness, sleep changes, and impulsivity. The key difference is time pattern: bipolar symptoms occur in distinct mood episodes manic or hypomanic “highs” (elevated/irritable mood plus increased energy/activity for days) and depressive “lows.” ADHD symptoms are chronic and trait-like from childhood, without discrete mood episodes.

What mania/hypomania look like:

• Mania: abnormally elevated/irritable mood and increased activity/energy, often with decreased need for sleep, racing thoughts, risky behavior; typically lasts ≥7 days or needs hospitalization.

• Hypomania: similar features, milder, lasting ≥4 consecutive days.

Clues fa

voring ADHD vs bipolar:

• ADHD: symptoms are consistent across settings (home/school/work) and lifelong, with onset in childhood.

• Bipolar: symptoms cluster into episodes with noticeable shifts from baseline; may include psychosis in mania and significant functional impairment in mood episodes. Differential is hardest when bipolar II has brief hypomanic shifts or mixed features.

Bottom line for patients: If your focus/impulsivity has been lifelong and steady, ADHD is more likely; if you have episodic surges of mood/energy or deep lows, consider bipolar spectrum. Because treatment choices differ (e.g., mood stabilization may precede stimulants when bipolar is present), seek a comprehensive evaluation with a licensed clinician.

Sources:

 NIMH; DSM-5 criteria summaries; 2021 meta-analysis. (National Institute of Mental Health)