"It's a pity I've had to stop again because I was feeling good," the Brazilian defender told liverpoolfc.tv.
"It's normal after a long injury to pick up little problems when you come back but hopefully I will only miss the one league game and be back for the Aston Villa match next week.
"I've spent a lot of time out and it's very difficult to explain how frustrating it has been. My wife probably knows better than me because she has seen what I've been like.
"I've not been capable of training or doing my job. It's been a difficult time but you just have to keep working. It's a dream for me to play without problems."