you most likely have what is called as globus hystericus... which is a condition in which one feels a lump in the throat but there is actually nothing there...
quite often there is no cause found... but when a cause is found... the most common cause is acid reflux...
i would advise you to take prilosec 20 mg twice a day for two weeks and see if that helps...
the second most common cause of this is anxiety...
hope that helps..
regards
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