Cold/warm compress are used to reduce inflammation and to reduce swelling. There are many types of compresses: cold compresses, warm compresses, packs instant cold compress reusable thermal gel packs (gel compresses are kept in the refrigerator to accumulate cold or heated in the microwave to provide heat). Disposable Cold/warm compress packs have the advantage that should not be prepared in advance. These Cold/warm compress packs gather simply hand it causes a chemical reaction that releases cold and can be applied immediately on the painful area.