An infrared heating device and therapy for lower back pain includes a belt fastenable around a user so that the belt is overlaying at least a portion of a lumbar region of the user. An infrared emitting element is adjustably positionable between the belt and at a selected area of the user's lumbar region where a user desires pain relief therapy. A portable power supply is attachable to the belt and electrically connectable to the infrared emitting element so that the user can receive infrared therapy at specific selected areas of the lower back while moving, standing, sitting, reclining or sleeping.