what is Dehydration and diarrhea?

Diarrhea can cause you to lose fluids quickly and put you at risk for dehydration. If you don’t receive treatment for diarrhea, it can have very serious effects. The symptoms of dehydration include:

fatigue
dry mucous membranes
increased heart rate
a headache
lightheadedness
increased thirst
decreased urination
dry mouth
Contact your doctor as soon as possible if you think your diarrhea is causing you to become dehydrated.