... traumatic hemorrhage, heatstroke, itch, heatache,strain,scald and fatigue.d) Hot Compress: alleviate rheumatic pain,neural pain,sciatica, vertebral pain,improve ... surgery. 2.Instructions:a) For cold compress: put the cold/hot bag into freezer to be refrigerated for an hour before ... taking our for use.b) For hot compress: put the cold/hot bag into microwave oven to be warm for ...