The skin around my ankles is getting darker and thicker over time. What causes this?

are often exposed and subject

to friction.

4. 4. Acanthosis Nigricans
      In some cases, thick, darkened skin may be linked to a condition called Acanthosis Nigricans.

 

This condition is often associated with:

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Insulin resistance
Weight gain
Hormonal imbalances
It typically appears as velvety, dark patches of skin and may occur around the neck, armpits, or ankles.

5. Poor Circulation
   Circulation issues can also affect the skin’s appearance.

When blood flow is reduced:

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Skin may appear darker or slightly swollen
Tissue may thicken over