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(HealthDay News) -- Tearing a nail from the nail bed can be very painful. From infection to a jam, nail separation can have a variety of causes, says the University of Wisconsin.
To treat a torn nail, the school suggests:
- Trim or file any sharp edges. Trim off the detached part of a large tear.
- Soak your finger or toe in cold water for 20 minutes after trimming.
- Apply a thin layer of petroleum jelly and cover the area with a nonstick bandage.
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