A rash is an area of irritated or swollen skin. Many rashes are itchy, red, painful, and irritated. ... It causes redness, itching, and sometimes small bumps. You get the rash where you have touched an irritant, such as a chemical, or something you are allergic to, like poison ivy. Some rashes develop right away.
Remember:
Use only according to instructions.
Put the Disc on clean dry skin, after shower and after drying with a towel. Avoid putting cream on your body (where the Discs will be placed).
Spray the back of the Discs with spray adhesive, specially where the body perspire the most. Alternatively put a layer of tape on top of the Discs.