dr. jackie, thanks so much. barbara? >> thank you. up next on news4, the designer behind that dress last night the first lady was wearing for the state of the union. look at that >>> also ahead, f ♪ ♪ [ male announcer ] combine a pnc cashbuilder visa credit card with a pnc performance select checking account and get up to 1.75% cash back for just about every purchase. learn more and apply today at pnc.com/cashbuilder. pnc bank. for the achiever in you. >>> the first lady has the fashion world buzzing once again. michelle obama wore this dazzling sapphire blue dress at the state of the union last night. deet signer, barbara tefank, is based out of los angeles and was a former costume design. her clothing line and jewel-colored designs can be found at barney's new york. the first lady was also wearing one of tefang's floral patterned dresses during her visit to buckingham palace where she met prince william and kate middleton. >> love the color. >> beautiful dress. >>> pretty nice weather today, huh? >> yes, we have had very nice weathe

dr. jackie, what is the most important step that a parent can take? >> the first thing is to get diagnosed. if you don't have the diagnosis and you know for sure this is what you are up against, all the rest of the stages can't follow. you need to get that correct diagnosis to be able to tell all the people that are going to be around your child that this is, in fact, a life-threatening allergy. >> okay. once you get the diagnosis, you say that you have to have a treatment plan. so, what should be on the treatment plan checklist? >> so it is a checklist, because it is all going to happen within seconds when you actually put it into practice. and the first thing that's going to happen is know to act quickly you meaning get out there and use that epinephrine pen immediately. don't wait and say let me see what happens this time that time could be the last time. so act quickly. second would be use epinephrine and only epinephrine in these life-threatening situations. people are confused on this they want to use the over-the-counter benadryl and that is no

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