My 6mo son has gone off his milk and has started to get, what I can only assume are pains - where he clenches his fists, brings his knees up and throws his head forward and he screams. Each time he does this it only lasts a second, but then an episode can last up to 10min. The doctor says it's nothing to worry about. But I'm asking on here if anyone else's child had experienced this?? I'm a first time mum and a worrier. Thanks 