My nails of thumb of both hands are paining and there is some very thin and small black lines are there of about size 1 mm and apart from that some part of thumb seems to be red from inside the skin. In rest of the fingers, there is also some part which are dark from inside at the tip of the nail. Please suggest me what should I do to recover from this. I notice these things yesterday and before that there was no any problem.

Dr. Prakhar SinghGeneral Physician7yrs exp

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I am sorry to hear about your concern but will be happy to assist you. A narrow black line that has formed vertically underneath your nail is called a splinter hemorrhage. It occurs for a variety of reasons and may be harmless or a sign of a more serious health condition. This condition is called a splinter hemorrhage because it may look like a wood splinter under your nail. Let's connect over a call so that we can discuss your concern in details and make a suitable treatment plan for you.  

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