Relieve pain and inflammation with Hot/Cold Therapy. An age-old remedy for relieving pain, sudden injury or muscle strain, hot/cold therapy continues to be recommended by physicians worldwide. Hot therapy increases circulation, soothes muscles and releases tension. Cold therapy decreases swelling and reduces blood flow. Our Hot/Cold Therapy products are designed to meet the R.I.C.E. rule: a doctor-recommended treatment for sudden injuries that includes Rest, Ice, Compression, and Elevation.