13. Dark Skin Patches
Source: https://bestdailyguide.com/
Another symptom more common amongst those with Type 2 diabetes is noticing “patches of dark, velvety skin in the folds and creases of their bodies,” more so in the areas around the neck, elbows, armpits and knees. This condition is actually called acanthosis nigricans, and it occurs when there is a buildup of glucose in the body. All that glucose “causes normal skin cells to reproduce at a rapid rate,” which then leads the darkening of the area, leaving behind noticeably darker skin patches than usual. If you notice patches like this on your body, be sure to make an appointment with your doctor to figure out if diabetes is the perpetrator.