Hard Skin
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Reviewed By:
Yukiko Ueda, MD (Dermatology)
Dr. Ueda graduated from the Niigata University School of Medicine and trained at the University of Tokyo Medical School. She is currently a clinical assistant professor at the Department of Dermatology, Jichi Medical University, and holds several posts in the dermatology departments at Kyoto Prefectural University of Medicine, Komagome Hospital, University of Tokyo, and the Medical Center of Japan Red Cross Society.
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Content updated on Jan 4, 2023
About the symptom
The extra collagen is deposited in the skin, which causes skin hardening and thickening.
Possible causes
- Clavus
Clavus, more commonly known as a corn, is a condition where skin thickens and hardens over a specific area, often the foot, due to chronic pressure.
- Callus
This condition causes the skin to thicken and harden, typically due to chronic friction.
- Warts
Small skin growths caused by viral infections.
- Molluscum Contagiosum
- Epidermoid cyst
- Decubitus ulcer
- Lichen simplex chronicus
- Thrombophlebitis
- Lichen nitidus
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?
Other Related Symptoms
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Reviewed By:
Yukiko Ueda, MD (Dermatology)
Dr. Ueda graduated from the Niigata University School of Medicine and trained at the University of Tokyo Medical School. She is currently a clinical assistant professor at the Department of Dermatology, Jichi Medical University, and holds several posts in the dermatology departments at Kyoto Prefectural University of Medicine, Komagome Hospital, University of Tokyo, and the Medical Center of Japan Red Cross Society.
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Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan