There are 2 types of severe allergic reactions to aspirin.
Rhinosinusitis-asthma (r-a) and urticaria-anaphylaxis (u-a). R-a reactions start off with pouring runny nose, nasal blockage, shortness of breath and severe asthma. This one is associated with nasal polyps and is also triggered by ibuprofen, Naproxen and other nsaids. U-a reactions are itchy hives alone or progress to anaphylactic shock.
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