When there isn’t enough oxygen in your blood, the skin or membrane below the skin turns a purplish-blue color. Learn more about possible causes.
A lack or low level of circulating oxygen in your red blood cells causes blue fingernails. Learn more here.
Nail Psoriasis: What It Is, Causes, Nail Pitting, Treatment
Blue fingernails - The symptom unpacked
Dive into the Cool Trend of Blue Nails for the Summer Season! – BLUESKY
Blue Fingernails: Causes and When to Get Help
Black Fingernail - Symptoms, Causes & Treatment
Blue Nails Disease: Causes, Symptoms, and More - HealthKart
Health From Nails: 10 Fingernail Problems to Watch for
What does it mean if blue only shows in the nail beds? And what should I do (read captions for more info) : r/Raynauds
All the Causes of Nail Discoloration, and How to Treat Each Issue
Blueberry Milk Nails: Get The Light Blue Nails Trend At Home - Chatelaine
Blue fingernails - The symptom unpacked
