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www.healthline.com/health/blue-fingernails

Cold temperatures can also cause your fingernails to turn blue. That’s because cold temperatures force your blood vessels to constrict. The narrow pathways make it difficult for the right amount ...

www.drweil.com/.../why-are-my-fingernails-blue

Blue fingernails or purple nail beds can be a sign of various disorders and should be checked out. In the case of Raynaud’s disease, the fingers and toes blanch, then turn blue and may become numb or painful upon exposure to cold. Here, the problem is simply oversensitivity of nerves controlling blood flow through small arteries in peripheral ...

www.reference.com/health/causes-fingernails-turn-purple...

What Causes Fingernails to Turn Purple? fingernails turn purple when cold nail disorders with picture and definition curling fingernails and lung cancer fingernails turning brown cancer symptoms fingernails what makes fingernails turn under pain under my fingernail

www.reference.com/science/fingernails-turn-blue-m-cold-a98...

The Mayo Clinic explains that when the body becomes cold enough that the core temperature drops, the small blood vessels in the body constrict, restricting the flow of blood to the extremities. This reaction alone is not always enough to cause fingernails to turn blue.

www.empowher.com/community/ask/why-do-my-fingernails-turn...

Why do my fingernails turn blue when I'm cold? By ALynnV November 20, 2014 - 2:31pm. Average . Rate This ` 1 ... There is a condition known as Raynaud’s disease which causes fingers, and toes, to turn blue when they're cold, both in cold weather and in circumstances like taking food out of the freezer.

safesymptoms.com/purple-nail-beds

Typically, fingernails that are bluish or purplish in color are a sign of low hemoglobin. If you’re in freezing temperatures, then this is expected. But in room temperature conditions, they shouldn’t be like this. People with Raynaud’s disease often have purple nail beds that become painful when exposed to cold.

healthquestions.medhelp.org/fingernails-turn-purple

toes turn purple and are always cold. my hands are always cold, sometimes fingernails turn a blue colour. 2 toes were swollen for a week, and my right middle finger gets a burning sensation in the fingertip thats last 30 secs? ive been checked out from head to toe, but docs havent said anything!

www.healthambition.com/purple-fingernail-mean

During an attack you can feel cold, numb, your fingers and toes may throb and tingle and your fingernails will turn from white to bluish purple to red. You will need to see a doctor to confirm diagnosis of Raynaud’s disease. 6. Heart and Lung Problems. In rare cases, purple nails can be a sign of a problem with the heart or lungs.

www.healthboards.com/boards/anemia/507222-my-fingernails...

I developed iron deficiency anemia a few years ago and my fingernails would often look bluish/purple. However, right now I seem to have a normal amount of energy. I read on the internet that your nails look clear in color when you have anemia, so I am confused. Does anyone know why my nails frequently turn purple?

www.healthtap.com/topics/hands-turn-purple-when-cold

Helpful, trusted answers from doctors: Dr. Franz on hands turn purple when cold: This likely has to do with circulation in your hands. Some reason might include: anemia, diabetes, lupus, raynaud's disease; scleroderma.