When should I go to the emergency room for an allergic reaction?

A Answers (1)

  • If you have an allergic reaction, call 911 or go to the hospital emergency room for:
    • Swelling of the face or throat
    • Trouble swallowing
    • Trouble breathing
    • Being dizzy or passing out
    • Coughing and vomiting
    These are signs of a dangerous allergic reaction. Get medical help right away!

    Call or go to the doctor or clinic if:
    • Your whole body has reacted strongly to a bite or sting (bee, wasp, hornet, fire ant, and so on)
    • Your body has had a bad reaction to food or medicine
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What is an allergic reaction to a bite or sting?