Hand is scalded by boiled water now blister is red and swollen, how to do

After the hand is scalded by boiling water, the symptoms of blisters and redness appear. First, it is necessary to wash the scalded area with flowing cold water for about 15 to 20 minutes. Under the guidance of a doctor, burn ointment can be applied locally. Secondly, do not squeeze the blisters to keep the skin dry.