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Diabetes Health Center

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Diabetes and Your Skin

Diabetes and Skin Infections

Bacterial skin infections are pretty common with diabetes, says Betul Hatipoglu, MD, of the Endocrinology and Metabolic Institute at Cleveland Clinic in Ohio. "It can be as simple as a boil in the armpit or on the face, infection of the hair follicles, or infection of the nail bed," she says. Almost a third of people with diabetes will get a skin infection at some time in their life, Hatipoglu says.

Fungal infections are pretty common too, she says. You are most likely to have them in areas that get hot and sweaty, including:

  • Under the breasts
  • Between fingers and toes
  • In the armpits
  • In the groin area
  • Around the tip of the penis, if you are an uncircumcised man

Athlete's foot, jock itch, and vaginal infections are very common in people without diabetes as well as people with it. But they can be harder to treat if you have diabetes.

So what's the best way to fight infection? "You have to make sure your blood sugars are within a normal range as much as possible," Hatipoglu says. "Bacteria and fungi like sugar, and they will multiply like crazy if you don't."

She suggests these tips to prevent and calm skin infections:

  • Check your feet and any areas of your body that get damp and sweaty every day.
  • Use moisturizer on dry skin daily to keep it from cracking and itching. Don't apply moisturizer between your toes, though.
  • If you think you have an infection anywhere on your body, call your doctor.
  • Don't try to treat skin infections at home with over-the-counter products, because they may not be strong enough.

Diabetes and Shot-Related Skin Problems

If you use insulin, you can have problems on your skin where you give yourself shots. Hudson says that two of the problems, hypertrophy and atrophy, were more common in the past, but they still happen.

  • Hypertrophy. If you keep doing your insulin shots in the same exact spot, a little mound of fat tissue can build up. It can be unsightly and keep your body from absorbing insulin as well.
  • Atrophy. With this less-common condition, Hudson says, "you actually lose the fatty tissue underneath an area of injection. So it's like a dimple." The way your body absorbs insulin may become erratic, making it hard to control your blood sugar levels.

Some people who use insulin pumps have an allergic reaction to the adhesive used to secure it to the skin. Others are allergic to some types of insulin. Reactions can range from swelling and itching to life-threatening symptoms. Your doctor can advise you on other options for either of these issues.

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