Skin hardening

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Yukiko Ueda

Medically Reviewed By:

Yukiko Ueda, MD


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Content updated on May 23, 2022


The extra collagen is deposited in the skin, which causes skin hardening and thickening.

Possible Causes

  • Clavus

    More commonly known as a corn, this is a condition where there is thickened and hardened skin over a specific area (frequently the foot) as a result of chronic pressure.

  • Callus

    This is a condition where the affected skin is thick and hardened, usually as a result of chronic friction.

  • Molluscum Contagiosum

    A contagious, viral disease that causes round firm lumps to appear on the skin. It can spread across the body by scratching. The lumps usually disappear by themselves within one year, though rarely they may persist.

  • Epidermoid cyst
  • Decubitus ulcer
  • Lichen simplex chronicus

  • Thrombophlebitis
  • Lichen nitidus
  • Candidiasis (oral, hands and feet)
  • Traumatic fat necrosis

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do you have hardening of the skin?

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Yukiko Ueda

Medically Reviewed By:

Yukiko Ueda, MD


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