What is the diagnosis of functional diarrhea?

The diagnosis methods of functional diarrhea are blood routine examination, C-reactive protein examination, gastroscopy examination, etc. 1. Blood routine examination patients when blood routine examination, if there is a mild decrease in white blood cells, lymphocytes and monocytes are normal, usually indicates no bacterial or viral infection. 2. C-reactive protein examination patients through C-reactive protein examination, according to the test results of C-reactive protein, can judge whether there is inflammation infection, help to diagnose functional diarrhea. 3. Gastroscopy examination patients when gastroscopy examination, can directly observe the gastrointestinal mucosal lesions under gastroscopy, if there is no abnormality, generally indicates no substantial lesions.