My son has reflux and is 3 months old. We are on our 3rd prescription for it because the other two didn't work. This persription has worked for 7 days and now all of a sudden it's not working. He's been throwing up and screaming out of pain day and night. I am at such a loss and his doctor/nurses aren't very helpful. I don't know what else to do and I hate seeing my baby in pain. He's also falling behind on the growth curve because of the painful eating and spitting up