Cool pack help in relief pain, sports injuries, swelling and sore muscles, itches and sprains. It can use for headache or neck aches and pain. It helps to slow the nerve impulses in the area, which interrupts the pain-spasm reaction between the nerves.
Heat can increase blood flow and help restore movement to injured tissue. Warmth can also reduce joint stiffness, pain, and muscle spasms. As with cold packs, heat packs have a role in easing pain from both acute and chronic injuries, such as sprains, strains, muscle spasms, whiplash, and arthritis.
