Liverpool manager Jurgen Klopp missed training on Wednesday after feeling unwell and admitting himself to hospital.
“He is being assessed by doctors,” said a club statement released at 3pm.
“There are currently no plans for Jurgen to remain in hospital beyond his appointment and he will therefore return home this evening; however, he may require further check-ups in the coming days.
“The club urges that the privacy of Jurgen, his family and other patients is respected while attending hospital visits.”
Eight Liverpool players did report back to the Melwood training ground ahead of Saturday’s Premier League clash with Southampton.
Philippe Coutinho and Roberto Firmino returned from Brazil duty, while Simon Mignolet headed back from the Belgium to join his Reds team-mates.
Dominic Solanke, Joe Gomez and Trent Alexander-Arnold arrived back after representing England at senior and U21 level respectively, with Ben Woodburn and Danny Ward also returning following their inclusion in the Wales squad.
Forward Sadio Mane returned from action with Senegal on Tuesday, alongside Dejan Lovren after the centre-half helped Croatia secure World Cup qualification.
Left-back Andy Robertson was back in training on Monday following Scotland international duty.