A 44-year-old member asked:
i have a black spot under both of my big toe nails. what can cause black spots under my big toe?
2 doctor answers
Dr. Ronald Oberman answered
30 years experience Podiatry
Trauma: Usually is caused by toe hitting end of shoe. See podiatrist to be sure.
Answered on Dec 6, 2017
Dr. Jeffrey Kass answered
27 years experience Podiatry
Subungual : Hematoma or blood under the nail is a possibility. Splinter hemorrage is also possibility. Melanoma can present this way but fact yu have it on both big nails would render this possibility as less likely.
Answered on Jan 18, 2020
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