The following precautions may help prevent or soothe the recurring skin reactions of chronic hives: Wear loose, light clothing. Avoid scratching or using harsh soaps. Cool the affected area with a shower, fan, cool cloth or soothing lotion. Keep a diary of when and where hives occur, what you were doing, what you were eating, and so on. This may help you and your doctor identify triggers. Avoid known triggers, such as certain foods or additives, alcohol, pain relievers, heat, cold, exertion, and stress...