Salah's World Cup campaign with Egypt also seems to be in doubt due to the recovery time.
The 25-year-old tried to continue but went down to the turf once again four minutes later in obvious pain and pointing to his left shoulder, before he was replaced by Adam Lallana.
Supporters have called on UEFA as well as FIFA to take action against the Spaniard, who got tangled with Salah in a challenge during the final, causing a shoulder injury to the Egyptian, morale dip for Jurgen Klopp's side leading to Liverpool losing and threat of Salah missing out on FIFA World Cup 2018 in Russian Federation.
However, addressing the issue for the first time since being withdrawn by Jurgen Klopp, the potent attacker insisted, via his official Twitter page, that he is "confident" he will recover in time for the World Cup.
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Salah's performances this term, following his move from AS Roma, have made him Liverpool's top performer and a national hero.
"He didn't play the final, we lost a very important player like probably Egypt lost a very important player. From what I said so far it doesn't look really good".
"It was not the best script for us tonight. I believe we are going in the right direction", the midfielder told United Kingdom newspapers.
The youngster, who has improved dramatically across the season, admitted to costing his team a chance at winning.