question: I had a reaction to hair dye on Saturday,I visit my doctors on Monday with mild itching and he gave me antihistamine and dioderm,yesterday I started to swell mainly the top of my head,I went to the hospital and was givan steriods 30g per day.24 hours later I can't see properly and my whole face is swollen,Should I see an inprovement within 24 hours of taking steriods?