He had previously suffered as he was left out by Ernesto Valverde in the opening weeks of the season.
"Lots of things have happened in the last few months," Rakitic said in a post-match interview.
"Sometimes, things happen that you can't understand, but you have to accept it.
"It's happened to me.
"No one gives you anything.
"I want to give my all and if I can play here then I've always said that there's no better place than Barcelona to keep winning trophies, it's the perfect place for me.
"I want to enjoy myself and try to help the team to improve.
"I'm giving my best and if it can be like it has been in the last few games then that's even better.
"I'm here to play and take advantage of the minutes I get to earn the trust of the coach and my teammates.
"I'm prepared for anything."