Cincinnati Bengals linebacker Vontaze Burfict suffered a "cervical strain", according to head coach Marvin Lewis.

Per Medscape:

Active treatment refers to therapeutic exercises that are aimed at improving the patient's strength, endurance, flexibility, posture, and body mechanics. The goal is to obtain an independent home program or community fitness program at the conclusion of formal physical therapy. The typical therapy prescription is recommended 3 times per week for 4-8 weeks.

Burfict suffered the injury with 1:51 remaining in the first quarter during an Andrew Luck scramble. After momentarily kneeling on the turf, Burfict exited the game and didn't return. Domata Peko sacked Luck on the following play and Indianapolis took a 3-0 lead on an Adam Vinatieri field goal.

This is the third game that Burfict couldn't finish this season, including games against Baltimore and Atlanta -- both were the result of a concussion. He sat against the Tennessee Titans and New England Patriots and even exited momentarily last week against the Carolina Panthers with a "hit to the head", as ESPN's Coley Harvey points out.

"You always are worried when your teammate gets a couple of concussions and then a stinger [like Sunday]," cornerback Terence Newman said via ESPN. "You don't know if that's related or whatnot, but he's a great football player so anytime you lose him, it's definitely heartbreaking. But he's got a long career ahead of him and he has to just be smart."

Such as not leading with your head.