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Riddle Health Memorial Hospital
1068 W Baltimore Pike, HCC II Suite 2302
Media, PA 19063

Raynaud’s Syndrome

Understanding Raynaud's Syndrome

Raynaud’s phenomenon. This term refers to color changes (blue, white and red) that occur in fingers and, sometimes, toes. Raynaud’s often occurs after exposure to cold temperatures. It occurs when the blood flow to the hands, fingers or toes is temporarily reduced. Raynaud’s can lead to finger swelling, color changes, numbness, pain, skin ulcers and gangrene on the fingers and toes. People with have Raynaud’s may have other diseases, and some people with Raynaud’s do not have any other disease.

Raynaud’s occurs in two main types:

  • Primary Raynaud’s is the most common form of the disorder and is not connected to an underlying disease or related medical problem. It is also called Raynaud’s phenomenon.
  • Secondary Raynaud’s is also called Raynaud’s phenomenon. This form is caused by an underlying, or related, problem. Secondary Raynaud’s is less common than the primary form, but it tends to be a more serious disorder. Symptoms of secondary Raynaud’s often first appear at later ages — around 40 — while people with the primary form often see symptoms earlier.