New Guidelines Detail Hereditary Angioedema Management in Women Angioedema is a BIG problem in emergency rooms across the country and Tulsa is no exception!  Most treatment protocols use antihistamines (Benadryl) along with steroids. aughhh!   .  She has some very common frustrations with this condition.  The REASON antihistamines & prednisone often don’t work with angioedema is because…