It was a second dismissal of the season for the former Crystal Palace midfielder and he is due to sit out the midweek game against Nottingham Forest as well as three others.
Leicester assistant boss Craig Shakespeare admitted: "He will be massive loss for us.
"His performances over the last few games have been terrific."
Steve Cotterill meanwhile, having called the contract situation facing a number of his players 'ludicrous,' has seen both Garath McCleary and Chris Gunter linked with a summer move to Norwich City by Monday's papers.