Severe allergic reaction

"If your nose drips or stuffs up a few minutes after you walk outside, it may be allergic rhinitis."

https://www.webmd.com/allergies/ss/cm/slideshow-allergies-severe-symptoms?ecd=wnl_spr_121525&ctr=wnl-spr-121525_supportBottom_title_2&mb=Bw69jj4V%403Xd0vWN4nAvZhsBxqZqfebCTdGTM0BbxsM%3d