Raynaud’s Phenomenon: Understanding Why Fingers and Toes Change Color in Cold or Stress

Raynaud’s Phenomenon: Understanding Why Fingers and Toes Change Color in Cold or Stress As a rheumatologist, I often see patients who worry when their fingers or toes suddenly change color—turning white, blue, or red. Many describe numbness, tingling, or painful cold sensations, particularly during winter, stressful situations, or cold exposure. A common question I hear […]