Found some accounts online from parents with babies prescribed with Omeprazole. This article talks about how the medicine didn't work and her children reacted rather negatively to it.
http://www.dailymail.co.uk/health/article-2246075/Reflux-Why-doctors-giving-babies-heartburn-pills-meant-adults.html
On the other hand, this parent shared how her son's reflux improved after taking Omeprazole:
http://www.livingwithreflux.org/our-reflux-baby-experience-seeing/
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