July 3, 2015

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Raynaud's Phenomenon

Raynaud's phenomenon facts

  • Raynaud's phenomenon is characterized by a pale to blue to red sequence of color changes of the digits, most commonly after exposure to cold.
  • Raynaud's phenomenon occurs because of spasm of blood vessels.
  • The cause of Raynaud's phenomenon is unknown, although abnormal nerve control of blood-vessel diameter and nerve sensitivity to cold are suspected of being involved.
  • Symptoms of Raynaud's phenomenon depend on the severity, frequency, and duration of the blood-vessel spasm.
  • There is no blood test for diagnosing Raynaud's phenomenon.
  • Treatment of Raynaud's phenomenon involves protection of the digits, medications, and avoiding emotional stresses, smoking, cold temperature, and tools that vibrate the hands. Continue Reading
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Reviewed on 7/11/2014