"Robbie has a slight problem with his hips so he is going to Germany to see the specialist to sort it out," said Dave Jones.
"He will be flying in just for the day. It will probably just be an injection to soothe things down. He has had them before. It is another blow for him. There is nothing serious, but it's best to do it now."
Fowler came off the bench during City's 3 - 0 loss at the Valley.