Likewise, fingernails turning blue indicate that you’ve some health problem. Pinkish nails are a sign of healthy nails, because they reflect reddish color of blood. If you’ve pale or blue colored nails then mostly it is because of low levels of oxygen in blood or that part of your body is not receiving enough blood, this happens mostly when climate outside is cold where blood couldn’t circulate all over the body. Rubbing your hands or those parts where you see pale color may work. In case if you still see pale or blue color on fingernails then this can be a chronic disease known as cyanosis.
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Cyanosis, refers to a medical condition of skin, where skin turns to blue or pale color because of low oxygen levels in blood. This can affect sensitive areas like fingernails, lips and fingertips. As soon as you see blue or pale color on fingernails consult your physician right away.
Diseases associated with cyanosis
- Difficulty in arterial circulation
- Carbon monoxide poisoning
- Cardiac tamponade
- Pulmonary embolism
- Raynaud’s disease
More associated disease mentioned here.
Reasons for fingernail turning blue color are 1) because of cold climate, rub your hands and you’ll see blood flowing in those parts to turn them back to normal color 2) Cyanosis, if you don’t see any result then it might be a chronic disease consult your physician.