Replied by Ted (Bangkok, Thailand)
Usually a burning sensation is excess acidity. And modifying remedy by using baking soda 1/4 teaspoon twice a day may correct some acidity problems. That is the simples possible remedy. Usually certain kinds of bacteria produces certain gases, such as hydrogen sulfide in which case it can eat up the skin in excess quantities. In which case zinc oxide powder mixed with water should relieve the pain in a couple of minutes. If that happens, then the issue of acidity for you is a unique one, which requires taking zinc supplements as well as baking soda to control that condition. It takes about 2 weeks for the body to have sufficient bicarbonates to stabilize the bacteria. Green tea, unsugar no milks helps reduce bacterial colonies that causes such burning.