Can a lost fingernail grow back?

Dec 02, 2024 Source: Cainiu Health
Dr. Liu Wenmin
Introduction
In general, whether a lost fingernail can regrow mainly depends on the severity of the nail loss. If it is caused by a minor injury, the nail usually grows back; however, if it results from a severe injury, it may not regrow. If discomfort symptoms occur, timely medical treatment is recommended. After nail loss, proper skin hygiene and care are necessary to prevent infection.

Generally speaking, whether a detached fingernail or toenail will regrow mainly depends on the severity of the nail loss. If the detachment is caused by a minor injury, the nail usually will regrow. However, if the nail loss results from a severe injury, it may not regrow. If discomfort occurs, timely medical treatment is recommended. Detailed analysis is as follows:

If the nail detachment is due to a minor trauma but the nail bed and nail root underneath are not severely damaged, or if an infection has been promptly treated, then the nail can usually regrow, with a new nail gradually starting to grow from the nail root.

If the nail detachment is caused by a severe trauma or surgery that damages the nail bed or nail root, or develops from a chronic condition that was not treated promptly, the nail may not regrow.

After nail detachment, it is important to maintain skin cleanliness and avoid infection. The nail area should also be protected to prevent further external injuries.

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