Hi.
I am a doctor. The Maalox was a good idea.However, one week is long enough to see if the problem would go away. Although the most likely cause is innocent, at this time it would be correct to have a doctor visualize the throat. You should go to an Ear Nose and Throat doctor this week or early next week to have a look at the area.
Of course if you develop trouble breathing you should call 9-1-1, but your problem does not seem to be of that nature.
Good Luck with this problem
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BCP M.D.
