A method and apparatus that associate a new parenteral injection of medical grade carbon dioxide concomitantly with the application of infrared radiation from thermal and/or light sources using control by means of cutaneous and/or body thermometry, associating the concomitant application of infrared radiation from different light or thermal sources, to the direct injections of medical grade carbon dioxide CO.sub.2 into parenteral routes via carbon dioxide infusion regulating apparatuses and infrared radiation emitting apparatuses controlled by cutaneous and/or body thermometry, either direct or indirect.