A few. Home remedies for nail fungus include: vick's vaporub listerine mouthwash tea tree oil they might help the appearance a little, but usually does not cure the infection. On the plus side they are cheap, and will cause no harm. It can also be a bruised toenail, which if painless usually fade in time. If painful it might be a hematoma that needs podiatric treatment. If all fails, see a podiatrist.