He remained on the ground and appeared dazed following a hit over the middle by safety Bradley McDougald in the third quarter. Ertz walked off under his own power but was taken to the trainers tent to be tested for a concussion before heading to the locker room.
Ertz has been a favorite target of Carson Wentz's this season. He has 57 catches for 663 yards and a career-high seven touchdowns on the season.
The Eagles play a key conference game at the Los Angeles Rams next week. They will stay out West and train at Angel Stadium in Anaheim, California, this week.