I'd try a sippy cup, our daughter never really loved the bottle, she never took more than 4 ounces from a bottle at any feeding, so i bought sippy cups to use during the day and it helped a lot. She obviously still had bottle feedings and they went a bit better after that. I think she was about 7 months when we started with sippy cups, just make sure you get the training ones. The other thing I thought I'd mention is that she had an ear infection once and still took her pacifier and never did ear pulling or have any other traditional symptoms except really refusing the bottle. Also when teething she would keep the pacfier, but drink less from the bottle. She was very attached to the pacifier, so no matter what, she wanted it, I wouldnt necessarily rule out teething or something else that could be causing discomfort.
God luck!