Call 911 and inject epinephrine immediately if the person has:

Any of these symptoms or a history of severe allergic reactions (anaphylaxis), even if there are no symptoms:

Trouble breathing or wheezing

Tightness in the throat or a feeling that the airways are closing

Hives

Swelling away from the area of the sting, especially swelling of the face, tongue, or hands

Hoarseness or trouble speaking

Nausea, abdominal pain, diarrhea, cramps, or vomiting

Fast heartbeat or pulse

Skin that severely itches, tingles, swells, or turns red

Anxiety, feelings of faintness, or dizziness

Loss of consciousness

Do not hesitate to inject the epinephrine if you are unsure the symptoms are allergy related. It will not hurt the person and could save his or her life. 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 (it's a good idea to always carry two) do the following: