Can high blood sugar cause itchy skin?

Yes. High blood sugar may contribute to dry, itchy skin through fluid loss, while diabetes-related circulation problems can also contribute to itching. Other causes—including eczema, allergies and fungal infections—are possible, so persistent itching should be evaluated if it does not improve.

What does diabetic skin look like?

There is no single appearance of “diabetic skin.” Diabetes-related changes can include dry or itchy skin, brown shin spots, dark velvety patches, thick waxy skin, infections and, more rarely, blisters or other characteristic lesions.

Can your skin show signs of high blood sugar?

Certain skin changes may occur when glucose has remained high, including dry skin, recurring infections and some diabetes-related skin conditions. However, you cannot determine your glucose level from your skin. A blood glucose or A1C test is needed.

Does high blood sugar cause dry skin?

It can. When glucose levels are high, increased urination and fluid loss can contribute to dehydration and dry skin. Diabetes-related circulation changes may also contribute to dryness and itching.(( CDC — Diabetes and Your Skin .))

Does lowering A1C improve skin problems?

Improved glucose management can help reduce the risk of several diabetes-related skin problems and infections. However, improvement depends on the cause of the skin condition, and some changes may persist even when A1C improves.