Raynaud disease is a condition that affects blood flow to the extremities which include the fingers, toes, nose and ears when exposed to temperature changes or stress. Raynauds disease affects a small percentage of Americans. Women are more likely than men are to have the disorder. Its more common in people who live in colder climates. In severe cases, loss of blood flow can cause sores or tissue death. Emotional stress and cold are classically triggers, and the discoloration follows a characteristic pattern in time: white, blue and red. It comprises both Raynauds disease (primary Raynauds), where the phenomenon is idiopathic, Cold weather and stress can trigger attacks. Often the cause of Raynauds is not known. People in colder climates are more likely to develop Raynauds than people in warmer areas.

There are several different ways to treat Raynaudeâ ™s Disease. Patients with Raynauds disease are advised to keep warm by wearing gloves and socks. Avoid stressful situations may help control the number of attacks. Avoidance of any environmental triggers, e.g. cold, drilling, etc. (although emotional stress is a recognised trigger, it tends to be impossible to consciously avoid). Treatment for Raynauds disease may include prescription medicines that dilate blood vessels, such as calcium channel blockers (nifedipine). Mild cases of Raynauds can be addressed by biofeedback or a technique to help control involuntary body functions such as skin temperature. Alpha-1 adrenergic blockers such as prazosin can be used to control Raynauds vasospasms.