Bipolar Disorder vs. ADHD
Key Differences
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Hearing voices that others don't
Bipolar Disorder:
Common
ADHD:
Not Characteristic
Explanation: Hearing voices is much more suggestive of bipolar disorder during severe mood episodes than of ADHD.
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Strong beliefs that others don't share
Bipolar Disorder:
Common
ADHD:
Not Characteristic
Explanation: Unusual fixed beliefs are more likely to occur in bipolar disorder during intense episodes, whereas they are not a typical ADHD feature.
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Unusually elevated mood or energy
Bipolar Disorder:
Core
ADHD:
Associated
Explanation: A noticeable episode of unusually high mood or energy points more toward bipolar disorder than ADHD-related restlessness or enthusiasm.
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Persistent low mood
Bipolar Disorder:
Core
ADHD:
Associated
Explanation: Low mood that comes in significant depressive episodes is more central to bipolar disorder, while ADHD may involve secondary frustration or discouragement.
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Difficulty filtering background noise
Bipolar Disorder:
Associated
ADHD:
Core
Explanation: Ongoing trouble filtering noise is more characteristic of ADHD-related attention and sensory processing difficulties than bipolar disorder.
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Key Similarities
| Symptom | How it is similar |
|---|---|
| Impulsivity | Both conditions can involve acting quickly without fully thinking through consequences, which can make them look similar from the outside. |
| Racing thoughts | Both conditions can involve thoughts feeling fast, crowded, or hard to slow down. |
| Procrastination | Both conditions can make it difficult to begin tasks even when the person wants or needs to do them. |
| Mental clutter / mind feels constantly busy | Both conditions can involve a busy, overloaded mind that makes it hard to feel mentally settled. |
| Difficulty falling asleep | Both conditions can interfere with settling down at night and getting to sleep. |