Daughter with Acid Reflux Since Birth

My daughter was diagnosed with acid reflux within a few weeks of birth. They put her on Axid and increased her dosage, but she was still having symptoms of the acid reflux while on the Axid, including the acid going into her sinus cavity and irritating it causing it to swell and produce mucus to protect it. So they also put her on Flonase, which is a steroid to reduce the swelling so she could breathe. The steroid only comes in an adult bottle, and there's no way to control the amount that comes out, so she is getting way too much, and the steroids stunt her growth!

The older women in my family told me to take my 3 month old daughter off Axid and Flonase and try organic Apple Cider Vinegar instead. I don't want to stunt her growth, so I decided to give it a try. I bought a bottle of organic ACV and a glass dropper bottle. I filled the glass dropper bottle half with the Apple Cider Vinegar and half distilled water. I gave her one dropperful twice a day - the same times I gave the Axid. Although she gagged and fussed and cried at the taste of it, within 2 days the acid reflux symptoms seemed to be gone. Unfortunately, my husband cared for her on the 3rd day and refused to put her through the "taste trauma" of the ACV'and gave her the Axid instead. That was 3 days ago, and she's having horrible acid reflux still (while on Axid, not ACV). I'm about to switch her back to the ACV But, is there any advice to helping the flavor of the vinegar? She's too young for honey and it is horrible watching your baby react to the unpleasant taste.