Treatment using tar products is generally derived from coal. However tar products derived from wood tend to be less drying. In fact people who suffer from this disease prefer wood tar because of this feature. Note-Using both bare hands, massage entire body briskly. Use circular motion, paying particular attention too abdomen, employing friction and deep massage.
All conditions benefit from freedom from clothing, take an air bath whenever practical.
Remember to feed and nourish yourself by eating the proper foods.