|I am sorry to hear about your struggles. I know how hard it is.
PREVACID SOLUTABS CONTAIN DAIRY. I'm very frustrated that no one has shared this with you yet. If her milk protein intolerance is particularly severe (and it seems to be, since she needs Elecare), she could be reacting to the trace amounts of milk in the med. (My daughter has outgrown much of the severity of her MPI, but when she was your daughter's age, she reacted to trace amounts of milk - one time I accidentally gave her one of those teething tablets without reading the ingredient list and she threw up 6 times afterward...and that tablet was the size of a birth control pill, and the LAST ingredient was dairy.)
My daughter drinks Neocate and we compound her PPI ourselves using the Prevacid capsules and Buffer Babies. Find out more at Marci-kids.com and refluxsolutions.com. Her pediatrician and pedi GI are both on board with this.
If you don't want to use Buffer Babies, you can get a compounding pharmacy to make the liquid Prevacid for you (but know that the med is only stable for 2 weeks using this method). Or you can buy the Prevacid capsules, cut them open, and empty the beads onto a spoonful of cereal and give it to her that way.
Remember, UNLESS you are using a compounded version, PPIs need to be given on an empty stomach, 1 hour before a meal. You also cannot give the PPI and the H2 Blocker (Zantac) within several hours of each other or they will cancel each other out. Again, I encourage you to read through all of the info on marci-kids.com.
Though the scope/biopses confirmed no reflux, that might just mean that there is NO DAMAGE from the reflux in her esophagus, because the acid in the reflux has been controlled with the Prevacid. She could very well be experiencing discomfort from the the dairy in her Prevacid, which would not be evident from these tests.
I would make sure to eliminate absolutely all dairy from her diet. Double check the ingredients in every single medicine you give her. Call the manufacturers if you have to. What brand of rice cereal are you using? Many are notorious for being cross-contaminated with dairy. We use Happy Baby brand. Definitely ditch the solutabs and switch to Prevacid capsules if you haven't already.
I also know that for some babies, Neocate works better than Elecare, and vice versa (for whatever reason). Same thing with PPIs - some babies respond better to one than another. Something to keep in mind.
You're doing a great job. You are her mother and you KNOW if something is not right. Keep pushing, keep researching, keep asking questions. Best of luck to you.
p.s. To make paragraph breaks, type: < p > (but all together, no spaces).