Such a common problem with stool as diarrhea may be another symptom of Ebola. In case the individual did not get poisoned, it is worth paying attention. Except for the highly liquid and frequent stool, the patients report bloody spots when visiting bathrooms. There are three types of diarrhea to consider: osmotic (something is drawing water), secretory (infectious diseases attack the bowel with extra water), and exudative (that is when bloody spots are present).