The striker picked up a muscular issue in his right thigh during the game against Crotone and was forced to leave the pitch.
According to La Gazzetta dello Sport, the Belgian will rest on Wednesday in order to be fully fit for the clash against Roma scheduled for January 10.
Nevertheless, the medical staff are keen on making Lukaku rest as Inter’s schedule is jam packed, with six games from now until the end of January.
The Argentinian yesterday scored a hat-trick that allowed Inter to picked up his eighth consecutive win in Serie A. The Nerazzurri are second, one point behind AC Milan.