Hi and welcome to Healthcaremagic. Thank you for your query. I am Dr. Rommstein, I understand your concerns and I will try to help you as much as I can. This is one of typical symptoms of diabetes so the best would be good control of blood sugar and appropriate diet. Also, it may be sign of some other disorder and it this persist, you should do gastroscopy and colonoscopy to rule out some specific disorders of digestion tract. I hope I have answered you query. If you have any further questions you can contact us in every time. Kindly regards. Wish you a good health.