Acrocyanosis Acrocyanosis causes your fingers, toes, hands and feet to become bluish, white or gray in color. It happens when your arteries tighten for longer than they should. Acrocyanosis common in newborns, but it can happen to anyone.
In many cases, it's harmless. But it could point to an underlying health condition. Dark knuckles are usually harmless, but sometimes, they indicate an underlying health condition.
Learn about the causes and treatment options here. Images of peripheral cyanosis Peripheral cyanosis can appear as blue or gray tips of the fingers in people with lighter skin tones. Zay Nyi Nyi/Shutterstock Peripheral cyanosis can affect the toes.
Learn about common types of hand and foot discoloration, what they could mean, and when to seek medical advice. Raynaud's disease causes smaller blood vessels that supply blood flow to the skin to narrow in response to cold or stress. The affected body parts, usually fingers and toes, might turn white then blue.
Depending on your skin color, these color changes may be harder or easier to see. The affected areas may feel cold and numb until blood flow improves, usually after warming up. Cold hands and toes may be an early sign of Raynaud's Syndrome, but vascular spasm is the key symptom.
A certain class of proteins is a reliable marker on whether your Raynaud's may evolve into a more serious condition, like scleroderma. The fingers and hands or toes and feet tend to feel cold and to be bluish (cyanosis). In people with dark skin, the skin may not appear blue, but a change is color is evident.
Hands or feet sometimes sweat profusely and may swell. Emotional stress or exposure to cold usually intensifies the discoloration, and warming reduces it. Learn what causes hand discoloration, from poor circulation to vascular conditions.
Understand symptoms and when to seek medical treatment. Don't ignore those rashes and red patches. Here are all the health problems that manifest themselves with seemingly innocuous hand symptoms.
Cyanosis is when your skin turns blue or grayish because your blood isn't carrying enough oxygen. Cyanosis can signify a medical emergency.