What Causes the Face to Become Instantly Flushed and Hot to the Touch?
1. Introduction Instant facial flushing accompanied by heat is caused by rapid vasodilation of the superficial cutaneous blood vessels, triggered by sympathetic nervous system activation, hormonal surges, or specific inflammatory mediators. When these tiny capillaries located just beneath the surface of the skin suddenly expand, they become engorged with warm, oxygenated blood from the body’s … Read more