what are the signs and symptoms of an anaphylaxis reaction?
['Skin reactions, including hives and itching and flushed or pale skin.', 'Low blood pressure (hypotension)', 'Constriction of your airways and a swollen tongue or throat, which can cause wheezing and trouble breathing.', 'A weak and rapid pulse.', 'Nausea, vomiting or diarrhea.', 'Dizziness or fainting.']