Spring allergy

40 Year old female, moved to USA in 2001, did not have allergies before, 4-5 years after comming to this country, starting to have allergies, around that time i had stresses of studies and other issues, i am an anxious person, try to take stress and put a lot of burden on my self, was not very care ful about nutrition, recently have started to do better, crave sweets, recently have started to get frequent colds, need a lot of sleep, tired most of the time, hands and feet cold. with allergy i get sneezing, watery nose, with cold sores and burning around nose, heaviness in eyes, and desire to sleep.
Recently started Sabadil, gives temporary relief, but i guss i have to use for more time, or may be i need a different therapy. Any suggestion would be very help full, these allergies are very bothersome, i appreciate, thanks.