Is red spot appearing after drinking allergic

After drinking, the skin shows erythema is not an allergy, it is because the effect of alcohol leads to skin vasodilation, showing erythema. When a period of time later, it naturally subsides. After drinking, the skin shows erythema is not an allergy, it is because the effect of alcohol leads to skin vasodilation, showing erythema. When a period of time later, it naturally subsides. And this erythema, often does not itch, so it is not skin allergy, but the pharmacological effect of alcohol leads to vasodilation. This case does not need special treatment, do not need to use antihistamines, as long as the alcohol scattered, will naturally disappear. At the same time, easy to red skin, but also to pay attention to the point is not to drink a lot of alcohol, after drinking blood vessels dilated, after a long time, will lead to red skin, affecting beauty.