Suggest Treatment For Burning Sensation In My Hands, Red, Puffy And Stinging Fingertips And Painful Feet

I m having a burning sensation in my hands. The fingertips are puffing, red, and stingy feeling. There s blister coming up on sides of fingers that pop and peel. Also my toes. Pain in my feets and hurts to walk or stand. My nail beds are a light purplish color. Also around outside of my mouth there s like a gummy build up and small blisters. My mouth feels swollen. And very bad hardly any salvia