Henley has been one of Rovers' most consistent performers this season, establishing himself in the first-team at the start of Henning Berg's brief tenure as manager.
Last month, the 18-year-old Wales Under-21 international earned a new long-term deal at Ewood Park until summer 2017 and caretaker boss Gary Bowyer would be loath to lose the player for Friday's Championship trip to Wolves following a run of three straight wins in the Rovers hotseat.
"Adam has damaged his hamstring but we don't know how bad," Bowyer told Radio Rovers.
"He's come back into the side and done tremendously well and over the last two games he's been magnificent.
"But unfortunately he's tweaked a hamstring so we'll pick that up on Monday."