Hi, My husband got sever inflammation inside mouth, its exactly on both sides, back and upper side too. he usually have inflammation time to time, but it goes away on its own in few days. but this time its been more than month but still he have inflammation, it keeps coming back in all side of mouth. it looks like broken pimple, pink and reddish. the skin around the area looks like light orangish. this time along with this, sometimes stomach pain, heartburn, gas issue. he is not a smoker or drinker. we tried few doctors and medication for past two months, but no improvement. we don't know the issue, who to consult further, what issue. please help usm