Joshua Kimmich has been ruled out until January at least after undergoing a successful operation on his right knee following a meniscus tear in Bayern Munich's Der Klassiker victory over Borussia Dortmund.
He was shown a yellow card for the foul he committed on the Norwegian before being helped off the field by club doctor Jochen Hahne and physio Helmut Ehrhard.
"We're glad that Joshua will probably be available to us again in a few weeks," Bayern sporting director Hasan Salihamidzic said on the club's website. "We'll give him the best possible support during his rehab."
Flick comforted Kimmich as he limped past him on the way to the dressing room. Tests upon returning to Munich determined the extent of the damage with a tear to the meniscus in his right knee.
He had been included in the Germany squad to face the Czech Republic in a friendly in Leipzig on Wednesday, and in Nations League fixtures with Ukraine, also in Leipzig, on 14 November, and a trip to Seville to face Spain three days later.
Kimmich will certainly miss the rest of this calendar year, including six Bundesliga matches, three UEFA Champions League group stage games and the DFB Cup second round.