Liverpool had fought again from three-1 right down to lead four-3 after ninety minutes however valuable defender Sebastien Bassong's fierce power appeared to have earned struggling Norwich a factor earlier than Lallana bundled the ball into the internet with seconds ultimate.
The site visitors took the lead after 19 mins when Roberto Firmino's scuffed strike observed the nook of the net however Dieumerci Mbokani equalised with an audacious returned-heel after Liverpool failed to deal with a nook on the 1/2-hour.
Steven Naismith, making his Norwich debut, beat Simon Mignolet with a fierce shot from a narrow attitude before halftime and Wes Hoolahan transformed a penalty to provide the hosts a -purpose cushion.
The unmarked Jordan Henderson then pulled one back for Liverpool with a low shot and Firmino's deft end from Lallana's go levelled the rankings earlier than James Milner slotted in following a dreadful returned bypass from Russell Martin.