Raynaud's phenomenon is usually the first symptom that occurs in a patient with a diffuse form of systemic sclerosis.
A situation where a few areas of the body feel numb and cool in some circumstances is called Raynaud’s phenomenon. The smaller arteries that provide blood to the skin become constricted very much in response to the cold and because of that limit blood supply to a particular area. It is usually treatable by a medically professional. Sometimes it is self-diagnosable. One may even require a lab test or image. It can last for years as it is a chronic disease.
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