The striker is back at Lancing for assessment by the Seagulls’ medical staff.
He has been sidelined in Italy by an issue with his left ankle.
As is customary, Albion have been liaising closely with the club where the player is on loan.
Reports from Italy suggest Roma are mystified by the problem.
Ferguson suffered the last setback at a time when he seemed to be making a positive impression with Roma boss Gian Piero Gasperini and the media and fans who follow the club.
Followers of the Republic of Irland national team are already concerned that he could miss their World Cup qualifying play-offs next month.
Ferguson has impressed with his work-rate and improving fitness in Italy.
He was praised for his unselfish efforts in a 2-0 win over Stuttgart in the Europa League,
But he has not featured since and Donyell Malen has impressed in attack since his arrival from Aston Villa.
It is unclear when Ferguson will be heading back to Italy although he clearly faces a period of rehabilitation.
Roma will still be keen to get him back in action when possible after naming him in their squad for the Europa League knockout stages.
They are also chasing a Champions League spot via Serie A.