... degree Usage:Cold compress: put the cold/hot bag into freezer to be refrigerated for half ... before taking out for use. Hot compress: put the cold/hot bag into microwave oven to be ... hemorrhage, heatstroke, itch, headache, strain, scald, fatigue.Hot compress:alleviate rheumatic pain, neural pain, sciatica, vertebral ... one eats the content by mistake, he must drink enough water, try his best to vomit it ...