Breathing Difficulty After Septoplasty

i have undergone(KTP laser Septoplasty+turbinoplasty+ESS+L/S Concha bulllosa excision under LA)on 07.01.2011. Actually i have undergone this surgery to overcome of Breathing difficulty and bone bended... But still breathing difficulty continuing..im so upset... and also swelling is not reducing.. please help me to come out of this depression. what is the reason for breathing difficulty? could u pls briefly explain about this