What does it means when your toe nails are turning dark and the big toe is lifting up and have dead skin under

i hit the toe a couple of years ago and now it's like dryness under the toe nail it has lifted can you help!What does it means when your toe nails are turning dark and the big toe is lifting up and have dead skin under
It sounds like you have a toenail fungus happening.What does it means when your toe nails are turning dark and the big toe is lifting up and have dead skin under
Ewe. Your toenail is probably dead.