Food allergies and insect sting allergies, for example, can cause anaphylaxis, a life-threatening reaction. Anaphylaxis is a life-threatening medical emergency that can send you into shock.

Symptoms of Anaphylaxis

Anaphylaxis symptoms and signs include:

  • Consciousness loss
  • Reduced blood pressure
  • Shortness of breath is severe
  • Lightheadedness and a rash on the skin
  • A weak, fast pulse
  • Vomiting and nausea

Treatment for Anaphylaxis

Call 911 or your local emergency number for a severe allergic response or seek emergency medical treatment in person immediately. Give yourself an epinephrine auto-injector (Auvi-Q, EpiPen, or others) right away if you have one.

Even if your symptoms improve after receiving an epinephrine injection, you should visit an emergency room to ensure that they don't return once the injection's effects wear off.

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