Hi,
Sounds the same as DD1 and now DD2. both diagnosed as silent refluxers.I was also told to express off about a tablespoon of the foremilk. Apparently it is much higher in lactose and that can also affect them. Seems to help a bit. Half the time I have bub sleeping in her bouncer as keeping her in an upright position seems to help a lot. Am just trying to cut out all dairy for me now also (have been told this may take a couple of weeks to have an effect but this is Day 2 and I think she already seems more settled). Was prescribed Zantac this time for DD2, but this seemed to make her scream even more so stopped that after a day and half. Child Health Services (if available in your area) had a lot of good suggestions also, but would see paed for definite diagnosis. Best of luck.