Subungual Bleeding Quiz
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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The nail has a black streak
Ingrown nails
Spots on the nails
Pus on the fingernail
Red and swollen nails
Moles or spots of different colors on skin or lining of the mouth
Toenail color change
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Learn more about Subungual bleeding
Content updated on Sep 20, 2022
This is a purple discoloration of the nails resulting from bleeding under the nail. It is caused by direct trauma.
Change in nail color
Black/blue/brown spots or moles, on the skin and lining of the mouth
Your doctor may ask these questions to diagnose subungual bleeding
Has your nail color changed?
Are there black, blue, or brown spots on the skin or elsewhere? (Including moles)
Treatment is typically not needed. If it is very painful, a small procedure can be done (best within 48 hours) to release the blood pooled under the nails. In some cases, the nail may become warped or fall off before regrowing naturally.
View the symptoms of Subungual bleeding
Diseases related to Subungual bleeding
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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.
Just 3 minutes.
Developed by doctors.
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Dale Mueller, MD
Cardiothoracic Surgery, Vascular surgery
Cardiothoracic and Vascular Surgery Associates