How does anxiety cause burning skin sensations ? is it to do with the fight or flight system ?

Vasodilation: Or widening of the blood vessels sends blood to the skin and can be experienced as burning. This is the result of chemicals such as histamine being produced in large quantities in the body when stressed. Today we talk about the flight, flight, freeze response. The relaxation response is the opposite and herbert benson, md, has a little book w/technique that helps. The very best to you.