Jun 28, 2025 · Blue or purple fingernails indicates low oxygen levels, often due to conditions such as heart and lung disorders. Learn why it happens and when to seek help.

Jun 3, 2025 · Raynaud’s phenomenon is a condition in which blood vessels constrict, restricting blood flow to the extremities. This can cause color changes and make nails appear blue, …

Jul 9, 2025 · Purple or blue fingernails usually mean your blood is not delivering enough oxygen to the fingertips—a problem doctors call peripheral cyanosis. Cold exposure, poor circulation, …

Oct 22, 2025 · This article looks at the conditions that can cause blue nails and explains how doctors diagnose and treat cyanosis. It also discusses when an individual should seek help.

Sep 17, 2025 · Discover why your nail beds are purple. Learn about causes, from circulation issues to underlying health concerns, and when to seek medical advice.

Dec 9, 2025 · A bluish-purple tint under the fingernails or toenails, medically known as cyanosis, signals a change in the blood supply or composition beneath the nail plate. This discoloration …

Apr 25, 2025 · Your nails might curve over them and look like the bottom part of an upside-down spoon. They can be a sign of liver, lung, or heart problems, AIDS, or even inflammatory bowel …

Dec 19, 2025 · Cyanosis (blue fingernails) happens due to a lack of oxygen in the blood. It's often caused by an underlying medical condition affecting your oxygen levels.

Aug 8, 2025 · Noticing a purple hue on your fingernails or toenails can be alarming. While sometimes a harmless issue, purple nails can often be a sign that your body isn't getting …

Jan 12, 2023 · Fingernails are good for scratching itches, but they are also a window into your health. If the skin under your fingernails has a blue or purple tinge, you might need to see a …