
Liverpool midfielder Naby Keita was taken to hospital after injuring his back during Liverpool's 1-0 defeat at Napoli on Wednesday
Keita, who joined from RB Leipzig for £48m this summer, was taken off on a stretcher after just 19 minutes of the game.
He received treatment on the pitch in Italy before being substituted.
According to the club, Keita underwent a number of precautionary health checks to assess his actual condition.
No decision has yet been taken on when the 23-year-old will be discharged.
Keita has made nine appearances for Liverpool this season, including four starts in the Premier League.