HOw long since you changed the formula Tanya? I would give it 3 weeks if you haven't already. One other thing to check is the concentration and make sure you are mixing it correctly.
The other this is...if it's not making much of a difference for her on the LF formula...you could try the Enfalac/Enfamil AR stuff. THat's specially formulated for reflux babies.
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DenMother Kat, RN...BScN, BA (Kin, AT), TNCC