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  1. Raynaud's disease - Symptoms and causes - Mayo Clinic

    Nov 16, 2024 · Raynaud's (ray-NOSE) disease causes some areas of the body — such as fingers and toes — to feel numb and cold in response to cold temperatures or stress. In Raynaud's …

  2. Raynaud syndrome - Wikipedia

    Raynaud syndrome, also known as Raynaud's phenomenon, is a medical condition in which the spasm of small arteries causes episodes of reduced blood flow to end arterioles. [1]

  3. Raynaud’s Syndrome: Symptoms, Causes & Treatment

    Aug 29, 2022 · Raynaud’s syndrome causes spasms in small blood vessels in your fingers and toes. This limits blood flow and leads to symptoms like skin color changes, cold skin and a …

  4. Raynaud's Phenomenon - Johns Hopkins Medicine

    Raynaud's phenomenon is a disorder that causes decreased blood flow to the fingers. In some cases, it also causes less blood flow to the ears, toes, nipples, knees, or nose.

  5. Raynaud's Phenomenon - Harvard Health

    Jan 22, 2024 · Raynaud's phenomenon is a blood vessel disorder. The condition is also called Raynaud's disease or Raynaud's syndrome. When healthy people are in a cold environment, …

  6. What is Raynaud’s? - Raynaud's Association

    Raynaud’s (ray-NODES) is a disorder of the small blood vessels of the extremities, reducing blood flow. When exposed to cold, the blood vessels go into spasms, which may cause pain, …

  7. Raynaud’s Phenomenon - Boston Children's Hospital

    Raynaud’s phenomenon is when a child’s blood vessels react in an exaggerated way to cold or stress. Learn more from Boston Children’s Hospital.

  8. Raynaud Syndrome - Heart and Blood Vessel Disorders - MSD …

    Raynaud syndrome (called Raynaud phenomenon when the cause is not known), a functional peripheral artery disease, is a condition in which small arteries (arterioles), usually in the …

  9. Raynaud's Syndrome | General Surgery

    People who have primary Raynaud's (Raynaud's disease) or secondary Raynaud's (Raynaud's phenomenon) can have attacks in response to cold temperatures or emotional stress.

  10. Battling the Chill: How to Treat Raynaud’s Disease

    Mar 26, 2025 · Cold, numb, or painful fingers and toes? Learn about Raynaud's phenomenon, its causes, and treatment options, from symptoms to prevention and medication.