Why was there a difference this time?

Were you running a fever? Even if you've run a fever before you may have been running a fever longer or higher than other times. You may have been running a low grade fever for far too long and this time was the straw that broke the camel's back.

Each time you had multiple bathroom trips before may have left you a little more depleted of potassium or whatever until this time was the straw that broke the camel's back.

No, my D was not bloody that I know of. But my nutritionist says that I could be bleeding internally and not know it.