Perhaps examine these possibilities at Earthclinic.com to see if anything here may provide some relief:
https://www.earthclinic.com/cures/barretts-esophagus.html
https://www.earthclinic.com/cures/ten-remedies-for-esophageal-spasms.html
https://www.earthclinic.com/cures/eosinophilic-esophagitis-treatment.html
https://www.earthclinic.com/cures/esophageal-stricture.html
Thanks, I read them. Really, I can’t sip anything while this is going on because of hypersalivation and inability to swallow. The only thing that somewhat works is sublingual absorption. Fortunately, an endoscopy did not show eosinophilic esophagitis.