Chelsea boss Thomas Tuchel says Mason Mount is in his squad for their clash with Burnley.
However, he has ruled out the midfielder starting.
"It's a tricky one," said Tuchel. "He was ill but the reason was his wisdom tooth and a bit of an infection. He was back in training yesterday and today but he has lost a bit of weight because he cannot eat properly so he is taking medication and let's see.
"He's in the squad for tomorrow and can play some minutes but we will need to wait for the reaction because it seems like a proper treatment needs to be done."
On Mount being involved with England, he continued: "I expect he will if everything feels okay but the tendency that I know right now is that we need a proper treatment of the wisdom tooth. It could be that he's out or that he joins the England squad a bit later maybe.
"We will always push and encourage him. We are always proud when he is selected and he is always proud as well so there are no tactics behind closed doors that we try to keep Mason here but we have responsibility for his health and there is something going on that we need to take care about.
"This is what we did also with Andreas Christensen when he was suddenly out for the Southampton game in the Carabao Cup because the treatment needed to be done and that is the first priority."
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