Doctor insights on:
Black Streaks Under Toenail
Both big toenails discoloured, blue looking; right one particularly looks as though black streak in it. Slight pain but nothing major. What to do?
Microtrauma: It sounds like your toenails are hitting the end of your shoe. This usually happens if the toe box is either too small (toe is pressed up against the end) or too large (foot is sliding around and the toe is hitting the end). This is very common in runners--it can lead to either thickening of the nail, or it may eventually turn black and fall off--a new nail will grow in within a year. ...Read more
Bruise: Sounds like you have a subungual hematoma, also knows as a bruise under your nail. This occurred due to trauma. The nail usually takes between 12-18 months to grow out fully so eventually that spot will grow out and you will be able to cut off the nail. ...Read moreSee 2 more doctor answers
I have 2 small black spots at the base under my middle toenail. I don't recall banging it but was stepped on once. I don't know if it has grown?
Trauma: It is nit unusual for that discoloration to occur under a toenail that has been traumatized and it may last weeks. If you have more concern, consult a podiatrist for evaluation and advice. ...Read more
Recently noticed black dot under toenail with a white border. The toenail is slightly raised as well. Should I be worried?
There is a black spot under my left big toenail! it doesn't hurt and I have not dropped anything on it. it is a blackish/purple colour?
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