Giardia: Giardiasis refers to a syndrome of diarrhea, excess gas, and abdominal cramping. It is caused by Giardia lamblia, a water-borne parasite that is worldwide in distribution. The symptoms ...
This causes the stomach to release too much acid. Stomach acid is needed to break down food. But too much acid can cause painful peptic ulcers. In ZES, the ulcers are usually in the first part of the ...