Thanks to everyone for the advice and information. I took Beans to an internal specialist today and they did an endoscopy (put a camera down through his mouth and into the stomach). They found that he does have a loose esophageal sphincter, but also has a sliding hiatal hernia. They want to try medically managing the hernia first, before considering surgery, which is fine by me. I’m glad I have a concrete diagnosis and an anatomical reason for this acid reflux and vomiting. Will keep working on his diet and hopefully we can manage this without having to resort to surgery!
