A member asked:

I have noticed since the past few days that my toenails turned a bluish color. the bottom of each toenail is bluish. my feet are always cold. ?

2 doctors weighed in across 2 answers

Vascular: See a doc. Can be a serious problem but not likely in a 24 year old. Most likely raynauds or vasculitis.

Answered 9/28/2016

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Circulation: Bluish toenails can be indicative of circulation issues, low oxygen in the blood. Some people have variations in blood flow and this condition might resolve by itself see your primary care doctor for a full evaluation.

Answered 8/1/2013

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