vaginal swelling!! help!!

sara

my lips are very very swollen ( one is more swollen than the other ) and itchy but no abnormal discharge i had sex 3 days ago with my long term boyfriend and my vagina wasn’t swollen but a little itchy but it was with a condom. and i think it was the lube but we have used it before but maybe it went bad? he put on lot on the outside of my vagina could i be allergic to it? please help.