Can you explain the difference between recurrent major depression with mood lability and bipolar disorder?

Good question: Sometimes bipolar is missed at 1st and seen as depression with mood swings. It may take a major manic episode for the true diagnosis to be clear. However, once a manic episode rears it's head it becomes clear. The person will go hours without sleep then crash, talk a mile a minute and have thoughts of grandeur, no 1 can keep up with them. During the depressive stages they R extremely sad.

Different problems: With major depression you have serious depressive symptoms like sadness and hopelessness. It can be constant or come and go. Mood lability is when you mood fluctuates frequently, feeling okay one minute then sad or angry the next. With bipolar disorder you can have depression but you also have mania or hypomania, conditions with increased arousal. See doctor if you have either.