Same gastro as yours? Your son prone to constipation? It does sound like overkill but then we don't know all the circumstances.
I hope you've shared how to spare his bottom those acid burns!! Pat, don't rub or wipe. Hot water to soothe and wash off the bile acids. Diaper wipes or equivalent for patting dry. One of the various suggested ointments or salves.
Make sure he drinks PLENTY of clear liquids so he doesn't dehyrdate and to protect his kidneys!!! Whilst I prefer the mag cit or phosphosoda preps myself they CAN be hard on the kidneys.
Some people are like Slinkies... Not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs.