Why Your Finger Turns White in the Cold: What’s Really Happening?

Cold hands and feet, particularly when they stay chilly despite efforts to warm them, can indicate a medical issue like Raynaud’s phenomenon. This condition occurs when blood flow to the extremities is temporarily restricted, often due to cold or stress. Raynaud’s causes fingers and toes to turn white, blue, or purple. It has two types: primary, which is less severe and not linked to other health issues, and secondary, which is more severe and associated with conditions like lupus or scleroderma. If your hands remain cold or change color even in moderate temperatures, it’s important to seek medical advice to rule out Raynaud’s or other underlying conditions.

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