Hi Ali

I would have thought that the gaviscon would have more of an immediate effect...but I'm not definite about that.

My little boy has mild-moderate reflux and I ended up putting him on a colic/reflux syrup from a Perth pharmacy (Padbury). They make it up themselves, and it does the same thing as Gaviscon...but much easier to administer and instead of 10ml you only need to give 1ml...

Also...you may have already tried it, but make sure your little one's bassinette/cot is raised (just put some towels underneath it)...I found that helped alot too!