going through your case, Im surprised why did you take phos. In my opinion, regarding the illness, from homoeopathic point of view, the symptoms of the disease are not complete in themselves. I will like to know about the symptom with its modalities location and sensations with general constitution so that the indicated similimum can be prescribed. for oesophageal reflux, there are multiple remedies other than phos which im sure will help. In case you want any clarifications please do get in touch with me. I will give yiou the hints how u can complete the picture of the disease to reach the similimum. I have already treated multiple cases of acid reflux in my clinic.