Fingernails Turning Blue: Causes, Treatment, and More

1Why Do Your Fingernails Turn Blue?

In certain circumstances, your fingernails may turn blue due to cyanosis. This condition may happen when the blood does not transport sufficient oxygen to the tips of the fingers. It may be caused by issues with a protein called hemoglobin, which plays a key role in carrying oxygen in the red blood cells. In addition to the fingernails, cyanosis may affect the skin and lips as well. Different health disorders that affect the cardiovascular and respiratory systems would also lead to cyanosis. If you notice blue fingernails, make sure to inform your healthcare provider immediately to get a precise diagnosis and prevent further complications. [1]


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