Corticosteroids is another conventional medicine that help treat nasal allergies and reduce any inflammations because of allergic reactions. There are inhaled and nasal corticosteroids. Inhaled corticosteroids are Beclovent, Flovent, Advair and others used to cure asthma while Nasal corticosteroids are Rhinocort, Nasonex, Beconase and many others to relieve nasal allergies. However, side effect such as high blood pressure, cataracts of eyes, muscle weakness and more that could not be avoided. When you experience these side effects, consult a naturopathic physician to learn an alternative way of healing allergies. http://www.naturaltherapies.com/allergies-2/