Baby 5 months diarrhea can generally consult the pediatrician, first of all, we should observe the child a day to pull a few times, and then observe the nature of the stool is thin stool or thin water stool, it is best to take a stool test to the hospital to do laboratory tests to see whether the baby’s stool rotavirus, there is no bacteria, there is no occult blood, you can initially determine whether dysentery, rotavirus, enteritis and so on, laboratory results can let the doctor help you see. The test results can be seen by your doctor. Babies with diarrhea must remember to pay attention to whether they have lost too much fluid to prevent dehydration, if necessary, you can supplement oral rehydration salts.