Throat burning. Contact with my doctor!

Hi Sir/Madam I have gastric problem,burning sensational was feeling on my left side chest. So i had gone through a doctor and endscopy, doctor said small superficial duodenal ulcer and i taken the medicine Nex-ES-40 to be taken before food on morning and night two times, along with this medicine i have taken fibermed Powder SF. When i continue the medicine after 5 days i regularly feeling the burning sensational on throat from morning to sleeping time, especially more at lunch and dinner time. So i decide to take stop the medicine and consult doctor and stop the medicine for one week but didn't contact with my doctor regarding this, but now i am feeling same burning sensation on throat through out day and night and i am unable to contact doctor due to lock down city and hospital member not receiving phone. So how could i get relief from this throat burning pain.