How long have you had it? Is there any weight loss? How does the poop look like? Do you have any infections? Constant diarrhea be very tricky. Many diseases could cause diarrhea, such as
- Chronic bacterial dysentery;
- ulcerative intestinal tuberculosis;
- intestinal flora imbalance;
- colorectal cancer;
- ulcerative colitis;
- Crohn's disease;
- pancreatic malabsorption;
- irritable bowel syndrome;
You need various tests to locate the cause. Some of the tests are:
1. Fecal examination. It's the most basic examination for diarrhea, including appearance, microscopic examination and culture. Microscopic examination should pay attention to the presence or absence of red blood cells, white blood cells, eggs, protozoa, etc.
2. Blood routine, blood sedimentation, electrolytes, urea nitrogen, carbon dioxide binding and so on. If suspected of gastric diarrhea, gastric juice analysis should be performed. For patients suspected of hyperthyroidism, related tests such as basal metabolic rate, thyroid iodine absorption rate, etc..
3. Absorption function test: D-xylose absorption test, vitamin B12 absorption test, and pancreatic function test.
4. Device examination: X-ray examination. Abdominal signs can show partial intestinal stenosis, calcified gallstone, pancreatic calcification, lymph node calcification and so on. Gastrointestinal barium meal can observe the functional state of digestive tract movement, to understand whether there is organic disease, barium enema is often helpful in the diagnosis of various lesions of the colon. CT and endoscopic retrograde cholangiopancreatography are helpful for the diagnosis of liver, gallbladder and pancreatic diseases.
Anyway, go to see a doctor.