The hot itch that both hands back is burning in the evening, still puffy, 2 days, how to do

The back of both hands has burning hot itching at night, and puffiness for two days. Generally, it is considered to be caused by skin allergy. Anti-inflammatory and antipruritic drugs should be applied to the affected part for treatment. At ordinary times, it is necessary to clean the local skin and develop good eating habits and living habits, which is conducive to enhancing resistance.