hot cold pack cold compress:relieve headache,fever,toothache hot compress:relieve arthritis,stomach trouble, APPLICATIONS:Hot therapy: alleviate rheumatic pain, neural pain, sciatica, vertebral pain, improve mucous membrane scar after surgery.Cold therapy: Be great for your body when it is experiencing throbbing, achy, sore, and excruciating pain, burning,fevered and flush. INSTRUCTION:1. Heat by ...