I have had that experience several times when I'm hypomanic. When I'm hypomanic I can go from being happy to irritable and angry in a split second. They have adjusted my meds where I don't have them anymore, unfortunately, I'm now just stuck in depression.
__________________
Bipolar I, Depression, GAD Meds: Zoloft, Zyprexa, Ritalin
"Each morning we are born again. What we do today is what matters most." -Buddha