A member asked:

What is the cause of raynaud's phenomenon (purple toes)?

3 doctors weighed in across 2 answers

See below: It is a constriction of the blood vessels on exposure to cold.

Answered 12/16/2012

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Dr. Jeffery Dormu answered

Specializes in Vascular Surgery

Raynauds Phenomenon: Secondary Raynaud’s is also known as Raynaud's Phenomenon which is caused by an underlying disease, condition, or other factor. Many things can cause secondary Raynaud's such as diseases and conditions that directly damage the arteries or damage the nerves that control the arteries in the hands and feet or Repetitive actions that damage the nerves that control the arteries in the hands and feet.

Answered 7/29/2015

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Related Questions

A member asked:

Can discoloured toes be Raynauds without going white?

A doctor has provided 1 answer