Does an allergic reaction to pollen go away as soon as your away from the pollen?

So the pollen is high where i live right now and i have a bad allergic reaction to it. Will it go away when i go to spain where the pollen count is low? and if it will, will it go away as soon as i get to spain?
Does an allergic reaction to pollen go away as soon as your away from the pollen?
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