I'm constantly urinating. i have mild cramps, feel constipated and fatigued, what could be wrong with me?

Too much urine: I am concerned about you blood sugar status. Sometimes this is due to diabetes mellitus, other times it is a primary kidney problems. Please check your blood sugar and have your self checked in clinic by your primary care physician.

Could be hormonal: And by this I am talking about something with sugar metabolism. You are describing a common complaint in diabetes and often it is very vague but significant. When the kidneys can't process sugar correctly, sugar spills into the urine and brings with it a lot of fluid. Also it tends to contribute to fatigue, malaise, constipation and mood problems. A blood test or even urine test can diagnose.