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The importance of understanding Severe allergic reactions

A severe allergic reaction, also known as anaphylaxis, is a serious, life-threatening reaction caused by an allergen (allergy trigger).

Causes of severe allergic reactions

  • Foods

    Including peanuts, tree nuts, shellfish, fish, milk, eggs and wheat

  • Insect stings

    Including stings from bees, wasps, hornets, yellow jackets and fire ants

  • Insect bites

    Including bites from mosquitos and black flies

  • Medicine

    Certain Medicines

  • Latex

  • Other

    Including exercise, asthma, unknown causes or other allergens

Severe allergic reactions require immediate medical attention and if not treated properly, can be fatal.

Stay alert

Warning signs of a severe allergic reaction


  • Increased heart rate
  • Decreased blood pressure
  • Irregular heartbeat
  • Chest pain


  • Swelling of the throat, lips, tongue or the area around the eyes
  • Hives
  • Flushing, itching, or redness of the skin


  • Loss of consciousness
  • Collapse
  • Feeling faint
  • A sudden feeling of weakness
  • Fear, worry (anxiety) or an overwhelming sense of doom


  • Difficulty breathing or swallowing
  • Wheezing and cough
  • A metallic taste or itching in the mouth
  • Stomach cramps, nausea, vomiting, or diarrhea
  • Paleness

If you experience these symptoms, make sure to use your Emerade immediately and then seek medical attention.

Some tips to stay on guard

  • Always carry your Emerade or keep them in multiple locations
  • Remember to always have access to or carry 2 Emerade pens
  • The dose depends on weight and age
  • Avoid allergy triggers as much as possible
  • Stay prepared, educate your family and friends and share information, so they know what to do in the event of an emergency

Looking for more?

Whether it's more tips, tools or downloads, there are plenty of helpful allergy resources. Here are some resource recommendations to stay ready.

Allergy Resources
Allergy resources