Drouin (upper body) was placed on injured reserve retroactive to Nov. 23 on Saturday.
Head coach Jared Bednar announced Wednesday that Drouin (upper body) is considered week-to-week, SBNation.com reports.
Drouin will miss Monday's game against Tampa Bay because of an upper-body injury, according to Corey Masisak of The Denver Post.
Drouin scored two goals on four shots while adding two blocked shots and a plus-1 rating in Saturday's 7-4 win over the Panthers.
Drouin logged an assist and two blocked shots in Monday's 3-2 win over the Flyers.
Drouin (upper body) was activated from injured reserve Thursday.
Drouin (upper body) will miss Wednesday's game against LA, but he might be an option Friday versus Washington, per Adrian Hernandez of Mile High Hockey.
Drouin (upper body) won't play Sunday against Ottawa though he's considered day-to-day, Evan Rawal of the Denver Gazette reports.
Drouin (upper body) was placed on injured reserve Sunday.
Drouin (upper body) will be re-evaluated Oct. 28, per Adrian Hernandez of Mile High Hockey on Wednesday.