Diarrhea caused by frequent urination may be due to improper diet, generally do not need to take special treatment, can also be considered to be prostatitis, dyspepsia and other diseases caused by the need to take medication for the cause of the disease. 1. Improper diet: If you eat greasy, cold, spicy and stimulating food, or overeating, it may lead to gastrointestinal system disorders, diarrhea, frequent urination and other symptoms. If this kind of situation occurs occasionally, it is a normal phenomenon, no need to take special therapeutic measures, daily regular meals can be relieved. 2. prostatitis: diarrhea caused by frequent urination is also considered to be due to prostatitis, the patient can be under the guidance of the doctor oral antifungal drugs, such as amoxicillin, ceftriaxone sodium, azithromycin, etc., or oral non-steroidal anti-inflammatory drugs, such as celecoxib, ibuprofen and so on, according to the doctor. 3. dyspepsia: diarrhea caused by frequent urination may also be caused by dyspepsia, the patient may be prescribed oral gastrointestinal dynamics drugs, such as domperidone, mosapride, etc., or oral proton pump inhibitors, such as rabeprazole, lansoprazole. There are many other causes of frequent urination due to diarrhea, which require different treatment methods, and it is recommended that patients go to regular hospitals in time to find out the cause of the disease, and actively take treatment measures.