Yep my 1st 2 boys were great with thier bottles but my daughter was great to begin with then just before 6 weeks she started screaming when the bottle came near and if i cud get her to take any she did so whilst still crying. She wud arch her back, turn her head etc and generally looked in pain., She ended up being diagnosed with reflux, got Gaviscon and Omaprezole and within 2 weeks she was like a new baby and actually enjoyed her bottle. She was also throwing up any milk she took hence the Gavsicon but babies can have relux without the sick (silent reflux). Might be worth a word with ur GP but be warned - they dont know much about reflux and u really need to push it get help (if thats wot it is) or it cud be trapped wind but being your third im sure you've already considered that.