An improved pain management and post-operative hip orthosis includes a waist strap having first and second ends, a lower strap having first and second ends, and a pocket extending between the waist strap and lower strap. The pocket has inner and outer panels fastened to each other to define an upper opening and a lower opening. A cooling pack including a reservoir and inlet and outlet tubes extending from a bottom of the reservoir is applied to the pocket such that the inlet and outlet tubes pass through the lower opening of the pocket.