20 Early Symptoms of Diabetes You've Probably Ignored

17. Red, swollen, tender gums

When your blood sugar spikes, the saliva under your gums may help build up more fungi, bacteria, germs and plague, causing inflammation and gum disease include: red, swollen, tender gums, loose sensitive, and excessive bleeding teeth. If you already suffer from gum disease before, high blood sugar can make it worse faster and heal slowly.