Raynaud's phenomenon
Overview
In Raynaud's phenomenon, smaller arteries that supply blood to the skin narrow, limiting blood supply to these areas.
Symptoms
Affected areas of the body feel numb and cool in response to cold temperatures or stress. These areas often include the fingers, toes, ears, and tip of the nose.
Treatments
Treatment beyond self-care, such as dressing warmer, usually isn't needed.
