What is vibration white finger or hand arm vibration syndrome (HAVS)? A. A mild skin rash that will go away B. A serious skin condition that will not clear up C. Severe frostbite Doctor explains Raynaud's disease and syndrome Causes, prevention and treatment Does this happen to your fingers when it's cold? This is Raynaud's phenomenon, a common condition that's usually triggered by cold temperatures, anxiety, or stress. The most common type of Raynaud's Hand arm vibration information for workers WorkSafe