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Doctor insights on: Blue Fingernails

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Dr. Robert Kwok
Board Certified, Pediatrics
27 years in practice
10M people helped
1

1
Is it normal to get blue fingernails when having a raynaud's attack?

Is it normal to get blue fingernails when having a raynaud's attack?

Yes: The color changes in a raynaud's attack are "white" when the blood supply is decreased, then "blue" when the oxygen is mostly used up due to decreased blood flow being unable to bring in enough new oxygen, and finally "red" when the vessels relax and there is a reaction with an above-normal amount of blood flowing to the fingers. ...Read more

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Dr. Steven Seres
Board Certified
15 years in practice
413K people helped
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Fingernails (Definition)

Fingernails are the hard coverings at the end of fingertips. Nails are made out of a protein called keratin. they function to protect the fingertip and to increase sensitivity of touch. Good hand hygiene and nail care is important to prevent bacterial ...Read more


Dr. Creighton Wright
Board Certified, General Surgery
50 years in practice
17M people helped
2

2
Do people with raynaud's always have blue fingernails?

Do people with raynaud's always have blue fingernails?

No : Only with nail polish! the fingers and nails may go through the red, white and blue cycle. Sometimes we miss it! ...Read more

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Dr. Steven Seres
Board Certified
15 years in practice
413K people helped
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Dr. Robert Jackson
Board Certified, Dermatology
37 years in practice
10M people helped
3
Dr. Jerome Zacks
Board Certified, Cardiology
45 years in practice
1M people helped
4

4
Why are my fingernails blue? They're not cold at all, just blue. Are blue fingernails always a sign of a heart problem? Pict >> http://goo.Gl/hsf6w

Cyanosis: Cyanosis often represents a low oxygen level, representing a cardiac or pulmonary problem. It merits the evaluation by a cardiologist or a pulmonologist. ...Read more

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Dr. Steven Seres
Board Certified
15 years in practice
413K people helped
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Dr. Yash Khanna
Board Certified, Family Medicine
51 years in practice
131M people helped
5

5
My daughter has blue-ish fingernails and a low fever (100.1). Is this a concern?

My daughter has blue-ish fingernails and a low fever (100.1). Is this a concern?

Need more informatio: We can not really answer your question, we need more information as to how old she is, has she had any medical problem since she was born, does she have any other symptoms bluish nails need to be examined to make sure theseare blue, and if these are blue it can be due to cyanosis or some other causes and needs to be diagnosed.So check with your pediatrician or your family doctor. ...Read more

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Dr. Sue Ferranti
Board Certified, Pulmonary Critical Care
23 years in practice
12M people helped
6

6
Symptoms of hypoxia but normal s02?!; shortness of breath, blue nails, clubbing fingernails, pale/gray skin, tachycardia, fatigue, anxious. No anemia,

Symptoms of hypoxia but normal s02?!; shortness of breath, blue nails, clubbing fingernails, pale/gray skin, tachycardia, fatigue, anxious. No anemia,

Need ABG....: you need to get an arterial blood gas test (ABG) to see what your oxygen level is. There are many factors that could render a pulse ox test inaccurate. In order to get an accurate measure of your oxygen level, and to see if the pulse ox test is accurate or not, have your doctor order an ABG. The test can be done as an outpatient. Good luck!! ...Read more

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Dr. Atul Singh
Board Certified, Nephrology and Dialysis
22 years in practice
72K people helped
7
Dr. Richard Bensinger
Board Certified, Ophthalmology
46 years in practice
29M people helped
8

8
Any reasons why my fingernails turn blue easily?

Any reasons why my fingernails turn blue easily?

Circulatory issue: You may have a deficiency of the circulation to your fingers or a sympathetic nerve issue. This may be part of a condition termed Raynaud's phenomenon. Whatever the cause, it is best to bring this to the attention of your family doctor who can make a diagnosis for you. ...Read more

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Dr. Rhett Griggs
Board Certified, Hand Surgery
13 years in practice
1M people helped
9

9
This morning i began shaking and my fingernails where blue. I wasn't cold. Feel better when setting?

This morning i began shaking and my fingernails where blue. I wasn't cold. Feel better when setting?

Variable: Blue means decreased blood supply. Do you have raynauds? Try warming them up and if they continue to be blue go to a doctor. ...Read more

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Dr. Grace Torres-Hodges
Board Certified, Podiatry
17 years in practice
1M people helped
10

10
What can cause fingernails and toenails to turn blue?

What can cause fingernails and toenails to turn blue?

Possibilities: This could be from trauma (like bruising), vascular compromise (diminished blood flow), damaged nerves, or more specific conditions like raynaud's (usually associated with autoimmune diseases). Talk to your primary care physician first and a referral will most likely follow based on his/her findings. ...Read more

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Dr. Steven Seres
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15 years in practice
413K people helped
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