Hi,

For the past year or so I've been getting a recurring blister just at the
back of my hard palate. I can feel it coming as a tiny little lump, then it
grows bigger, and a little sorer (but never really that painful) over the
course of about 24-36 hours and then it goes away. Never lasts longer than a
day and a half.

I used to only get them every few weeks\months, but lately I seem to be
getting it several times a week. I get no other blisters or ulcers of any
kind, just this blister\ulcer that's always in the same spot. I find that
certain kinds of mouthwash can help ease it, but how can I get rid of it
completely.

I thought it might be a canker sore, but it doesn't look anything like the
pictures online - its like a normal blister, containing whatever
whitish\yellowish liquid blisters contain, but its not as soft as a blister.

I'm a little worried now, because i've been getting several a week, and
every site I search seems to mention possible "malignancy".

Thanks!