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causes of blue fingernails

A 41-year-old member asked:
Dr. David Hettinger
36 years experience Podiatry
It could be...: A lot of different things, but circulation disorders will cause this. See your pcp or a vascular specialist for more detailed evaluation and treatmen ... Read More
Dr. Grace Torres-hodges
23 years experience Podiatry
Possibilities: This could be from trauma (like bruising), vascular compromise (diminished blood flow), damaged nerves, or more specific conditions like raynaud's (us ... Read More

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A 39-year-old member asked:
Dr. Dan Fisher
27 years experience Internal Medicine
Not likely: Nails or skin under nails? I can not think of a way to change color of your nails, but skin under nails typically reflects amount of oxygen being car ... Read More
A female asked:
Dr. Robert Jackson
43 years experience Dermatology
Peripheral anoxia: Peripheral anoxia.
A 13-year-old female asked:
Dr. Louise Andrew
46 years experience Emergency Medicine
Low blood pressure: You are actually too young to use this service. Ask your parents to take you to a doctor.
A 45-year-old member asked:
Dr. Michelle Achor
16 years experience Podiatry
Raynaud's: Raynaud's disease can cause this. It is a temporary vasoconstriction of the small arteries in the fingers and toes triggered by cold.
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A 47-year-old member asked:
Dr. Frank Mayo
48 years experience Pulmonary Critical Care
Low oxygen: Diseases that cause low oxygen ie hypoxia can result in blue lips and fingers. Right to left heart disease, advanced copd, congestive heart failure ... Read More
A 21-year-old member asked:
Dr. Christopher Nicora
24 years experience Internal Medicine
No worries: Vertical nail ridges extend from the cuticle to the tip of the nail. Vertical nail ridges often become more numerous or prominent with age, possibly d ... Read More
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A member asked:
Dr. William A Biermann
46 years experience Medical Oncology
Injury: Trauma and some illnesses can do this. Remember that nails are related to hair but grow more slowly so that an injury to them may show up over time. ... Read More
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A 43-year-old member asked:
Dr. Heidi Fowler
25 years experience Psychiatry
Koilonychia.: Possible causes include: iron-deficiency anemia, hemochromatosis, Raynaud's phenomenon or lupus erythematosus.
A member asked:
Dr. Gurmukh Singh
49 years experience Pathology
Depends: Vertical ridges are part of normal growth of nails. You may visit this site for more info in this topic: https://www.mayoclinic.org/healthy-lifestyle/ ... Read More
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