Barcelona have confirmed that Philippe Coutinho will be out for two to three weeks with a thigh injury.
The Brazil international is set to miss the international break, as well as Barca's game against Real Betis this Sunday.
He could also miss their matches with Atletico Madrid and PSV Eindhoven later this month.
"The tests carried out this morning have confirmed that the first team player Coutinho has a small break in the femoral biceps of the left leg," Barcelona's statement said. "The approximate time of loss will be between two and three weeks."
Coutinho has been a key player for Barcelona since joining from Liverpool last January, scoring 15 goals in 38 games in all competitions for them so far.