Please call 911 immediately if you are having chest pain, difficulty breathing, severe bleeding, sudden weakness or numbness, or if you think you have a medical emergency.
For a minor allergic reaction, see Allergic Reaction Treatment.
Get immediate help if the person has these symptoms or a history of severe allergic reactions (anaphylaxis) even if there are no symptoms:
If the person has an anaphylaxis action plan from a doctor for injecting epinephrine and other emergency measures, follow it.
Otherwise, if the person carries an epinephrine shot or one is available:
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