From the research I have done I have seen different thigns. One that this might be a sign of skin cancer; but really, the only way to know is to ask your doctor! Also, it could simply be that you are lacking a certain Vitamin. It might actually be a silver poisining but it says that this would cause your whole nail to be blue. Are you sure this is not just paint? Other possible causes are Cyanosis but all of these diagnosis are just from research. I am definitely NOT a doctor so I really think you should see your family doctor to see what he says. Please do because you never know what it could be.
blue fingernails
Blue fingernails should look fungi infection
The white area in fingernails and hair are caused by air. That's why snow is white and not blue. Little bumps and bruises that are done to the bed of the nail cause these imperfections.
A customer's auto is producing blue exhaust. What could cause this
Yes, it can.
If I were you, I would check my drinking water for nitrates. They are responsible for "blue baby syndrome", where skin turns blue, but I don't know about fingernails. nail polish tehe Family Feud answers: nail polish, cold, dead, bruised
Not really. Blue fingernails can be a sign of hypoxia, a lack of oxygen in the blood. This can happen at high altitude such as mountain climbing or flying in a depressurized airplane higher than about 12,000 feet altitude.
You may/will have the following symptoms: Abdominal pain. Blue lips or fingernails. Blue skin. Convulsions. Diarrhoea. Dizziness. Vomiting. Weakness Go to the hospital or depending on the amount ingested, you could die!!
blue w/ black crackle
Poor circulation could be a cause Raynaud's disease?
There could be several reasons for the saliva to be blue. There could be a lack of oxygen that would cause the tongue and the saliva to turn blue. Another reason could be that something blue was eaten, such as a sucker, popsicle, or fruit snacks.
Blue smoke means oil. Rings or valve seats. your car is burning oil.