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, white, purple, or …

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, heart or lung …

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.

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.

Aug 19, 2025 · Understand what purple nails signify about your health. Explore common underlying causes, recognize key warning signs, and learn when to seek professional…

Oct 17, 2022 · Cyanosis is when your skin, lips and/or nails turn a bluish tone. It occurs when your blood lacks the oxygen it needs to reach the different tissues in your body. Cyanosis can be caused by …

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.

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 disease.

While some cases of purple fingernails may be temporary and harmless, others could indicate serious medical conditions that require immediate attention. This comprehensive guide will help you …