Allen completed 20 of 26 passes for 272 yards and two touchdowns while adding 46 rushing yards on eight carries in Sunday's 31-7 wild-card round win over the Broncos.
Bills head coach Sean McDermott said Monday that Allen will start Sunday's matchup versus New England but will be in the game for a "very, very short-lived amount of time," Ryan O'Halloran of The Buffalo News reports.
Allen completed 16 of 27 passes for 182 yards and two touchdowns while rushing five times for 17 yards and a touchdown in Sunday's 40-14 win over the Jets.
Allen (right elbow/right shoulder) practiced fully Thursday.
Allen (right elbow/right shoulder) was listed as a full participant on Wednesday's practice estimate.
Allen said during a postgame interview that his arm, which was bothering him for much of the second half, is fine after he suffered a right elbow contusion in Sunday's win over the Patriots, Alec White of the Bills' official site reports.
Allen isn't listed on Wednesday's injury report ahead of a home game against the Patriots on Sunday, Alaina Getzenberg of ESPN.com reports.
Allen completed 22 of 37 passes for 280 yards with no touchdowns and two interceptions and added eight carries for 50 yards and a touchdown in the Bills' 30-20 win over the Colts on Sunday.
Allen completed 25 of 39 passes for 235 yards, three touchdowns and one interception in Sunday's 30-27 win over the Dolphins. He added two rushing attempts for seven yards.
Allen completed 21 of 33 passes for 323 yards, two touchdowns and no interceptions in Sunday's 34-10 win over the Titans. He added three rushes for one additional yard.