What happens to diabetic blackened toenails

Diabetes patients if showing nail blackening situation, generally due to lower extremity vascular disease caused by foot ischemia, mainly seen in patients with a long history of diabetes, up to 10 years, while combined with poor blood sugar control, in the physical examination can be found in patients with foot dorsal artery pulse weakened. In addition, diabetic nail blackening may be combined with nail local infection, if there is local pain, fever, or local pus, also need to seize the time to the hospital to give local dressing, antibiotics and other treatment. Special attention should be paid to control blood sugar.