Yes. Often people with CD will have a 'Short Barrett'' Syndrome . This an inflammation of the oesaphagus, which can rarely develop into oesaphageal Ca. The condition may also manifest in bouts of acid reflux and ' heartburn,' In short, GORD ,sometimes also referred to as GERD too. All to ofeten, there is a good chance of a coexistent pyloric
Pantoprazole, often marketed as Somac is a protein pump inhibitor which restricts hydrochloric acid production in the stomach and in turn decreases acid reflux. Unfortunately, the acid is needed to assist in the absorption of VitB12.
There are several ways to address this. I used to self inject 2/12 IMI, but know use a spray which is is administered sublingually... under the tongue daily. In Australia it available over the counter at pharmacies, no prescription needed Re- reading your question, carting my mind back 26 years, I don't Know whether I was B12 deficient, nut in the absence of any neurological signs, I guess not. Sorry to be long winded ,Hope this helps. Sometimes ,a hiatus hernia may also be present.