It's especially important to see your provider about the following: Blood in the stool or mucus Unintended weight loss ...

However, significant changes in the frequency or the appearance can indicate a problem, particularly when these changes occur with other issues, such as diarrhea ... such as blood or mucus ...

Theories suggest UTI and constipation are related, but one does not necessarily cause the other at this stage in research.

Symptoms range from mild to severe depending on the type of infection and level of exposure, and include stomach cramps, diarrhea, blood or mucus in the feces. A clinical diagnosis is often made.