The Mirror claim that the Brazilian could face prolonged time on the sidelines.
The former Inter Milan schemer put in a masterclass in the Reds’ commanding 4-1 win over Manchester City at the Etihad Stadium on Saturday, scoring one goal and setting up two in the rout.
However, the travelling support had worry etched on their faces as Coutinho was forced off the park in the second half with what looked like a hamstring strain.
According to The Mirror, the initial prognosis was not deemed too serious, with potential for a small niggle or cramp just being felt by the South American.
However, the report insinuates that Coutinho will be given a more thorough examination at Melwood later today and that his ailment may well keep him out of action for long than first perceived.
Liverpool are set to face Bordeaux in the Europa League on Thursday night, with the gifted attacking midfielder looks sure to miss the clash against the Ligue 1 outfit.
The Anfield faithful will hope that Coutinho does not miss subsequent Premier League games however, with the Brazilian in excellent form recently.