DS is three weeks tomorrow and was started on gaviscon last week. He hadn’t regained his birth weight, brining up large amounts of feed and constantly gagging, squirming and sounded like he is choking every time he laid flat. He gets him self into a bit of a cycle of feeding, falling asleep, I put him down, he strains and gulps then the feed comes up and have to start the whole feed again. We’re currently getting through around 5/6 outfits a day for him and 2/3 for us. He is breastfed and have been giving the gaviscon in a syringe part way through as feed as suggested on the box - some feeds it works and some it doesn’t but also makes him constipated. He is also suddenly fussing, arching his back during feeds, clamping on my nipple and thrashing his head around which is starting to get sore and I’m resenting feeding him now which is sad. Has anyone got any advice or tips? Also I have been expressing and might start giving bottles of ebm, can I mix the gaviscon in this in the same way you would formula? Or another way? Is it less likely to block the teat if breast milk is thinner than formula? 