- To treat a smashed fingernail at home, you can12:
- File any sharp edges smooth or trim the nail to prevent further tearing.
- Trim off the detached part of a large tear or leave the nail alone.
- Use scissors to remove the detached part of the nail if it's partly attached.
- Soak your finger or toe in cold water for 20 minutes after trimming the nail.
- Elevate the affected finger or toe.
- Apply an antibiotic ointment to the area with each dressing change.
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