Raynauds Disease and Phenomenon

Definition

Raynauds disease and phenomenon are problems with the blood vessels. It causes blood flow problems to the fingers ears, nose, and lips.
Constriction of Blood Vessels
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Raynauds disease (primary Raynauds) is the most common form. There are no other associated medical conditions.Raynauds phenomenon (secondary Raynauds) is the more severe form. It occurs along with other medical conditions such as:

Causes

Blood vessels normally narrow in response to cold temperatures or emotional stress. Raynauds is an exaggerated response to these triggers. The narrow blood vessels make it difficult to get enough blood flow to certain areas of the body. Fingers are affected most often.It is not known what causes this abnormal reaction, but it is probably related to a problem of the nervous system. Secondary Raynauds is believed to be caused by the associated disease.

Risk Factors

Raynauds is more common in females and those aged 15-40 years old. Factors that may increase your chance of Raynauds include:
  • Activities that involve repeated stress to hands such as:
    • Typing
    • Playing piano
    • Regular operation of vibrating tools, as in construction
    • Exposure to certain chemicals
  • A connective tissue disease (such as scleroderma)
  • Diseases of the arteries, including atherosclerosis
  • Injuries to the hands or feet, such as wrist fractures or frostbite
  • Smoking
  • Certain medications, such as:
    • Beta-blockers
    • Cancer chemotherapy
    • Cold remedies
    • Migraine medications containing ergotamine
    • Estrogen-containing medications

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