Drysdale (undisclosed) was placed on injured reserve Monday, according to Jonathan Bailey of Philly Hockey Now.
Drysdale won't play in Monday's game against San Jose due to an undisclosed injury, Jordan Hall of NBC Sports Philadelphia reports.
Drysdale is fully healthy after undergoing sports hernia surgery during the offseason, Adam Kimelman of NHL.com reports Tuesday.
Drysdale has resumed skating after undergoing surgery in April, Adam Kimelman of NHL.com reports Wednesday.
Drysdale underwent surgery in April to address a significant injury, Adam Kimelman of NHL.com reports.
Drysdale (upper body) will be in the lineup against the Islanders on Monday.
Drysdale (undisclosed) is week-to-week but could return before the end of the season, Elliotte Friedman of Sportsnet reports.
Drysdale (illness) is ready to return Thursday versus Dallas.
Drysdale (illness) will not be in the lineup against St. Louis on Monday.
Drysdale (illness) won't play Saturday against Winnipeg.