Deformed Nails
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with Physician-supervised AI
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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Indentations on nail
The shape of the nail is strange
Nail indentations
Nail depressions
Abnormalities in nail shape
Dents on nails
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Content updated on Jan 4, 2023
About the symptom
Nail shape abnormalities refer to a change in the nail shape. These changes can include becoming spoon-shaped, curling, and excessive curving.
When to see a doctor
Seek professional care if you experience any of the following symptoms
Change in nail shape
Possible causes
- Ingrown toenail
A condition where the corner of a toenail curves and grows into the skin, causing pain and swelling. Risk factors include obesity, small-sized shoes, and cutting the nails incorrectly.
- Alopecia areata
An autoimmune disease where the body's immune system attacks its own hair roots, causing areas of hair loss that are typically patchy and round in shape.
- Candidiasis (oral, hands and feet)
Normal human skin contains bacteria and fungi. Candidiasis occurs when the fungus overgrows and invades the skin. Risk factors include warm moist environments and a weakened immune system.
- Psoriasis (except for pustular psoriasis)
- Pityriasis rubra pilaris
- Paronychia
- Lichen planus (including nails)
- Spoon nails (koilonychia)
- Palmoplantar pustulosis
Questions your doctor may ask about this symptom
Your doctor may ask these questions to check for this symptom
Has your nail shape changed?
Do you have nail pain?
Has your nail color changed?
Do you have vertical bleeding or red lines under your nails?
Other Related Symptoms
Similar symptoms or complaints
Symptoms from similar body parts
Symptoms treated by the same specialty
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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Dale Mueller, MD
Cardiothoracic Surgery, Vascular surgery
Cardiothoracic and Vascular Surgery Associates
