Allen (ankle) was a full practice participant Thursday.
Allen didn't practice Wednesday due to an ankle injury.
Allen caught five passes for 73 yards and two touchdowns on eight targets against Detroit on Thursday.
Allen (ankle) is active for Sunday's game against the Vikings.
Allen (ankle) remains listed as questionable for Sunday's game against the Vikings, but the Bears are confident he'll be able to play, Ian Rapoport of NFL Network reports.
Coach Matt Eberflus said Allen rolled his ankle at Friday's practice, leaving him questionable for Sunday's game against the Vikings, but the Bears are "hopeful" the wide receiver will be able to suit up, Courtney Cronin of ESPN.com reports.
Allen (ankle) is listed as questionable for Sunday's game against the Vikings.
Allen caught five of six targets for 44 yards in Sunday's 19-3 loss to the Patriots.
Allen brought in all five targets for 41 yards and two touchdowns in the Bears' 35-16 win over the Jaguars on Sunday in London.
Allen caught three of six targets for 33 yards in Sunday's 36-10 win over the Panthers.