The classic symptoms of diabetes are the symptoms of high blood sugar. Those symptoms are: someone could be hungry all of the time, they can have to urinate all of the time, theyÕre very thirsty, sometimes they will unexpectedly and unintentionally lose a lot of weight Ð those are the classic symptoms. But itÕs really important for people to realize that you can have very high blood sugar and no symptoms at all. ItÕs one of those silent diseases. Even though you donÕt have symptoms of diabetes, that doesnÕt mean you donÕt have diabetes and it doesnÕt mean youÕre not at risk of developing complications of high blood sugar. ItÕs really important for people to get tested and realize if they have it because it may be completely asymptomatic.