really nasty swollen mouth

ive just recently come out of hospital for having a urine infection and a respatory infection and svt!!

ive been put on antiboitics, the side affects say swollen FACE, my lips have gone all sore like blisters and coldsores could this just be part of the course!!
its not very plesent ive put savlon on it but its not done much, ive got that coldsore stuff called zoirax or however its spelt!!!

its so horrid i just want it to go away do you think it is a side affect that will go with time? or could i have yet another illness to add to the pile :mad: