Cold treatment reduces inflammation by decreasing blood flow. Heat treatment promotes blood flow and helps muscles relax. Alternating heat and cold may help reduce exercise-induced muscle pain. Never use extreme heat, and never put ice directly on the skin.

This hot water bag is a container or bottle, made of rubber or comparative material that is loaded up with hot water and sealed with a stopper. Hot water bottles are utilized to give warmth and for the local application of heat to soothe pain and discomfort. It is a relatively safe, natural way to keep warm and eases aches or pains.