Naby Keita was taken to hospital during Liverpool's Champions League defeat to Napoli on Wednesday, the club have confirmed.
The midfielder was substituted in the 19th minute after alerting the Reds' medical team to a pain in his back.
He was taken to a local hospital where he underwent a number of precautionary health checks to assess his condition.
Liverpool are scheduled to remain in Italy until Thursday morning and no decision has been made on when the 23-year-old will be discharged.
Lorenzo Insigne scored in the 90th minute to secure all three points for Napoli and condemn Liverpool to their first Champions League defeat of the campaign.
can confirm Naby Keita was taken to hospital in Naples on Wednesday evening during the first half of the Champions League fixture with SSC Napoli.October 3, 2018
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