This may be no help at all, but once I was in a similar position with a zit just before a big party.
A beautician told me to use the old fashioned (non mint type) Preparation H. I got some and put it on repeatedly for a whole day and night. Just rubbed it very gently and by the time of the party, the zit was gone.
Apparently it has something to remove swelling and irritation that really worked. Later I tried it again for some emergency and whatever I bought was not the same oily stuff I used at first and it had some kind of minty stuff in it that only made the zit worse.
If you can find the old fashioned oily stuff it might help.
Just a thought.
smile