Nail changes in diabetes

Diabetes is a common condition that is increasing in incidence worldwide. Although the skin manifestations of this condition are well described, there is scant literature on the associated nail changes. In this review, we describe the various clinical features of nail changes associated with diabetes, which can be broadly divided into infections, vascular changes, neuropathic manifestations and miscellaneous changes, although there is overlap between them. There is no pathognomonic nail alteration, but it is important for clinicians to be aware of the potential nail manifestations in diabetes as they can facilitate investigations and thereby early diagnosis of diabetes, resulting in holistic management of the patient.