Doughty suffered the injury on an onside kick by the Bears in the fourth quarter.
He is subject to the NFL’s rules for the treatment of players who suffer concussions and must be cleared by an independent neurologist to practice and play.
Defensive end Stephen Bowen returned to the game after suffering a knee injury and tight end Jordan Reed returned after suffering a hip contusion.
Have a Redskins question? E-mail Mike Jones at firstname.lastname@example.org with the subject line “Mailbag question” for him to answer it in The Mailbag on Tuesday.
● Mike Jones shares his five observations from Redskins-Bears.
● The Outsider, Mark Bullock, takes a closer look at what worked and what didn’t against the Bears.
More on the Redskins:
The Takeaway: RGIII’s running opens up offense for Redskins