Raynaud's syndrome can be classified as one of two types: primary, or idiopathic (of unknown cause) disease; and secondary, which is also called Raynaud's phenomenon. I could not find any indication that either is life threatening. However, click on the related links section (Answers.com) indicated below this answer box for more detailed information, to include treatment.
Raynaud's syndrome is not contagious.
Raynaud's syndrome can be classified as one of two types: primary, or idiopathic (of unknown cause) disease; and secondary, which is also called Raynaud's phenomenon.
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Primary Raynaud's disease is milder and causes fewer complications. About half of all cases of Raynaud's disease are of this type. Women are four times more likely than men to develop primary Raynaud's disease
The Deadly Syndrome was created in 2006.
Secondary Raynaud's disease is more complicated, severe, and more likely to get worse over time. A number of medical conditions or other triggers predispose a person to secondary Raynaud's disease
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The digit often feels cold, numb, and tingly.
People with more severe cases of Raynaud's disease may need to be treated with medications to attempt to keep the arterioles relaxed and dilated.
Raynaud's syndrome is caused by a narrowing of blood vessels in response to cold temperatures or stress, leading to reduced blood flow to certain body parts, usually fingers and toes. This can result in color changes in the skin and sensation changes in affected areas. The exact cause of Raynaud's syndrome is not fully understood, but it is believed to involve a combination of genetic and environmental factors.
Some alternative practitioners believe that certain dietary supplements and herbs may be helpful in decreasing the vessel spasm of Raynaud's disease.
When attacks of Raynaud's occur in the absence of other medical conditions, it is called Raynaud disease. When attacks occur as part of a disease (as in scleroderma), it is called Raynaud phenomenon.Answer 2:The phenomenon in which, a disorder causing discolouration of the fingers, toes, and occasionally nose and earlobes is discussed; is known as Raynaud's Phenomenon.Raynaud's Disease, or "Primary Raynaud's", is diagnosed if the symptoms are idiopathic, that is, if they occur by themselves and not in association with other diseases.Raynaud's Syndrome, also called as Raynaud's Secondary is the name for the condition when it is result of an underlying problem.