Frequent question: Does diabetes cause brown spots on legs?

High blood sugar from diabetes damages small blood vessels and causes these brownish patches. These roundish, rough spots often appear on your shins.

How do diabetics get rid of dark spots on their legs?


  1. Applying makeup may help cover the spots.
  2. If your diabetic dermopathy produces dry, scaly patches, applying moisturizer may help.
  3. Moisturizing may also help improve the appearance of spots.

What does diabetic dermopathy look like?

Diabetic dermopathy appears as pink to red or tan to dark brown patches, and it is most frequently found on the lower legs. The patches are slightly scaly and are usually round or oval. Long-standing patches may become faintly indented (atrophic).

Does diabetes cause dark spots on skin?

Diabetic patients, particularly if overweight or obese, can develop darkening and thickening of skin folds, thought to be due to insulin resistance. This condition is called acanthosis nigricans.

Can diabetes spots go away?

The spots are often brown and cause no symptoms. For these reasons, many people mistake them for age spots. Unlike age spots, these spots and lines usually start to fade after 18 to 24 months. Diabetic dermopathy can also stay on the skin indefinitely.

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Why do I have brown spots on my lower legs?

The reddish-brown discoloration on the lower legs is caused by chronic venous disease–the abnormal function of veins. When your veins can’t pump blood back up to the heart properly, it pools in your lower legs.

What causes brown spots on legs?

Sun damage

Getting too much sun is a common cause of dark spots. According to the American Academy of Dermatology, it’s the leading cause for people with light skin. If you have dark spots on your legs, there’s a chance that it’s due to sun damage.

Can diabetes affect legs?

Having diabetes can damage the nerves and blood vessels that supply your legs and feet. This puts affected people at increased risk of developing ulcers on the feet and legs which can become infected, and in the worst cases, develop gangrene (where the tissue dies, resulting in the need for amputation).

Do diabetics get rashes on their legs?

Some diabetes rashes only affect people with diabetes. They usually go away when blood sugar is under control. These rashes include: Blisters (bullosis diabeticorum): Painless blisters may form on the backs of hands and feet and on the legs and forearms.

What are signs of diabetic feet?

Signs of Diabetic Foot Problems

  • Changes in skin color.
  • Changes in skin temperature.
  • Swelling in the foot or ankle.
  • Pain in the legs.
  • Open sores on the feet that are slow to heal or are draining.
  • Ingrown toenails or toenails infected with fungus.
  • Corns or calluses.
  • Dry cracks in the skin, especially around the heel.
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Does diabetes change your skin?

Diabetes can cause changes in the small blood vessels. These changes can cause skin problems called diabetic dermopathy. Dermopathy often looks like light brown, scaly patches. These patches may be oval or circular.

How do diabetics lighten dark skin?

To reduce the appearance or odor of acanthosis nigricans, some people try cosmetic treatments, such as:

  1. prescription creams to lighten the skin or to soften thick and rough patches.
  2. laser therapy to reverse skin thickening or lighten the skin.
  3. antibacterial soaps.
  4. topical antibiotics.
  5. oral medications.

What are the warning signs of prediabetes?

Warning signs of prediabetes

  • Blurry vision.
  • Cold hands and feet.
  • Dry mouth.
  • Excessive thirst.
  • Frequent urination.
  • Increase in urinary tract infections.
  • Increased irritability, nervousness or anxiety.
  • Itchy skin.