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

    Nov 16, 2024 · 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, …

  2. 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.

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

    Aug 29, 2022 · Raynaud’s (pronounced ray-nodes) syndrome is a disorder that affects small blood vessels in your fingers and toes. It may also affect blood vessels in your nose, lips or ear …

  4. 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]

  5. Raynaud's Phenomenon Symptoms, Types, & Risk Factors | NIAMS

    Raynaud’s phenomenon causes the blood vessels in the fingers and toes to narrow, restricting blood flow. Learn about the symptoms, types, and risk factors.

  6. Raynaud phenomenon: MedlinePlus Medical Encyclopedia

    Raynaud phenomenon is a condition in which cold temperatures or strong emotions cause blood vessel spasms. This blocks blood flow to the affected regions and causes discoloration.

  7. Raynaud Phenomenon - Cardiovascular Disorders - Merck …

    Apr 9, 2021 · Primary Raynaud phenomenon (also called Raynaud disease) is much more common (80 to 90% of cases) than secondary; it occurs without symptoms or signs of other …

  8. Raynaud's Phenomenon - HSS

    Aug 9, 2023 · Raynaud’s phenomenon is an exaggerated constriction of blood vessels in the extremities. Learn about symptoms, causes, how it is diagnosed, and treatments.

  9. Raynaud’s Disease & Syndrome: Symptoms, Causes, Treatment - WebMD

    May 7, 2024 · Raynaud’s disease, also called Raynaud's syndrome or Raynaud's phenomenon, is when blood vessels in your fingers, toes, and other extremities temporarily overreact to low …

  10. Raynaud’s Phenomenon: Causes, Signs, and Treatment

    Nov 17, 2025 · Raynaud’s phenomenon is a condition that causes blood vessels in the hands and sometimes the feet to constrict, limiting blood flow to the fingers and toes. This reduced blood …