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
Reviewed on 7/11/2014