Nearly 8 Month back i have sore throat and some discomfort in my throat i visited lot of doctors they gave different antibiotics and vitamins..no improve then 4 month back i visited gastro doctor may be due to reflc i have heard water sound in stomach immediate farting so gave some ppi... My stomach problem being sone control but my tongue still irtitating ... Ond day i feel burning itching and another day feel jaw irritation Some day blisters on roof of my mouth and swelling feeling on soft palate area and tongue..i Please what is the next step what test i have to take..my mouth and tongue always irritating