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So one of my toenails went red one day, it looked like it had maybe my toe had bled a bit but I didn't remember knocking it or it hurting so I ignored it. Over the past few days it has turned blacker and mankier, I have continued running regardless as normally it doesn't hurt. I have no idea what is wrong with it though and it is not improving so far, any help would be appreciated.
(sorry for the nasty pictures)