I have angioedema, had allergic reaction to a med Losartan/hct which I had been taking for years, had swelling of tongue, went to ED, given IV Benadryl which stopped the swelling,, was told to d/c the Lorsartan, which I have done was given hctz 25 mg in its place. was told to take Pepcid 20mg. as I was told to take Benadryl 25 mg 2 every 6 hrs. all his happened thur last week, after takingthe Pepcid pill, I had vise like constriction in back and chest, short time later hives broke out around mouth etc.That was the one and only Pepcid I took, is this a common reaction for Pepcid?