Have Diarrhea. Done Blood Work And Stool Test. Stomach Bug?
Thank you for the query.
Such long lasting diarrhea can be caused by infectious agents like bacteria or viruses indeed. However as it lasts longer than 48 hours without improvement, it should be evaluated. Other possible reasons of your diarrhea are partial bowels obstruction (due to colon cancer for example), bowels inflammation (like Crohns disease), diverticulitis. If you have been using antibiotics recently, Clostridium Difficille infection should be also ruled out.
You should not wait any more especially if there is a blood in stool, you have abdominal pain, weight loos, nausea.
You should also be aware of dehydration. Typical symptoms of dehydration are low amount of urine (which is usually dark), low blood pressure, accelerated heart rate (over 100), weakness.
I suggest you to visit gastroenterologist right away and have proper diagnostics.
Hope this will help. Feel free to ask further questions.
Regards.