Raynaud’s disease causes certain areas of the body – particularly your fingers and toes – to feel numb, painful, or cold in response to certain stimuli. Moreover, it can cause outbreaks of hives.
What causes hives in Raynaud’s disease? Red, itchy welts can develop as a reaction to cold exposure. Known as cold urticaria, it usually occurs within minutes and reactions may be mild or severe.
Vitiligo is a skin condition that some individuals experience with hives. It occurs when the immune system attacks and kills off the skin’s melanocytes, causing the loss of color in patches.
There may be an outbreak of hives with vitiligo (which affects about 1% of people globally) when the body’s defense system attacks skin tissues upon mistakenly detecting allergens.