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Raynaud Phenomenon
- Raynaud Phenomenon Overview
- Raynaud Phenomenon Causes
- Raynaud Phenomenon Symptoms
- When to Seek Medical Care
- Exams and Tests
- Raynaud Phenomenon Treatment
- Self-Care at Home
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Raynaud Phenomenon Overview
Raynaud phenomenon is a vessel abnormality caused by overactivity of smooth muscle in the wall of arteries, causing contractions, or vasospasms, of the small vessels that supply blood to the arms, legs, hands, and feet. Raynaud phenomenon is usually diagnosed in persons younger than 40 years and occurs 5 times more frequently in women than in men.
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