"His condition does not allow him to travel to Clairefontaine on Monday as originally planned," the FFF said in a statement.
"The medical staffs of Liverpool and the national team have been in contact since Sunday and the player will undergo an MRI scan in England on Monday."
Coach Didier Deschamps has called up Saint-Etienne defender Loic Perrin as Sakho's replacement.
France host Germany at the Stade de France on Friday and face England at Wembley four days later.
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(Reporting by Simon Jennings in Bengaluru; editing by Clare Fallon)
