Anaphylaxis Symptoms
3. Breathing Difficulty
While swelling is happening externally, associated symptoms also occur. Respiratory tract symptoms are among the most dangerous symptoms of allergic reactions. The symptoms include nasal congestion, repeated sneezing, and a runny nose. Your tongue may swell and your chest and throat start tightening up.
Other symptoms such as severe coughing, inability to swallow and breathe, and wheezes in the chest may also occur and cause a severe lack of oxygen, which can be fatal.
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