Hydrotherapy or water therapy is the use of the water of various temperatures to relieve discomfort or improve health conditioning. Benefits: Soothe sore or inflamed muscles and joints, rehabilitate injured limbs, lower fevers, soothe headaches, promote relaxation, treat burns and frostbite, ease labor pains, and clear up skin problems. Hot water is chosen for its relaxing and Improve Immune System. Tepid water can also be used for stress reduction. Coldwater is selected to reduce inflammation. Alternating hot and cold water can stimulate the circulatory system and improve the immune system. Adding herbs and essential oils to water can enhance its therapeutic value. Steam is frequently used as a carrier for essential oils that are inhaled to treat respiratory problems.