Compare and Contrast Bipolar I and II
Bipolar I has the following criteria:
A manic episode lasting at least 1 week with 3 or more of the following:
Distracted
Infidelity or pleasurable activities with serious consequences
Grandiose thoughts
Flight of ideas
Activity increased or psychomotor agitation
Sleep need decreased
Talkative
This episode may or may not be followed or preceded by a period of hypomania or major
depressive episode (see below for criteria).
Causes clinical distress in socio-occupational functioning, often requiring hospitalization.
Not attributable to other medical, mental issue or substance use.
Bipolar II consists of the following:
A hypomanic episode lasting at least 4 days with 3 or more the following:
Distractibility
Indiscretion or other pleasurable activities with serious consequences
Grandiose thoughts
Flight of ideas
Activity increased or psychomotor agitation
Sleep need decreased
Talkative
These are not enough to cause socio-occupational distress.
Are observable by others and a marked change from normal functioning.
Not attributable to medical/mental disorders or substance use.
Also includes a major depressive episode within same 2 week period consisting of 5 or more of
the following with at least one being depressed mood or loss of interest or pleasure:
Suicidal thoughts
Interests decrease
Guilt
Energy decreases
Concentration decreases
Appetite disturbance
Psychomotor changes
Sleep disturbance
These are enough to cause socio-occupational distress
Not attributable to medical/mental disorders or substance use.
The main difference between Bipolar I and II are:
Bipolar II does not include a manic episode mostly seen as the hypomanic episode being less
than a week but 4 days or more.
Bipolar II’s hypomanic state does not cause socio-occupational distress like the manic episode
in Bipolar I.
Bipolar II does not require hospitalization.
Bipolar I may not include a hypomanic or major depressive episode, though it can.