Do you know what these items have in common? They can kill people who are severly allergic to them. Things as simple as peanuts, milk, eggs and shellfish can cause a severe allergic reaction called anaphylaxis. As many as 1 out of 7 people may at risk for anaphylaxis. Other causes include insect stings, antibiotics, and latex. Are you, or someone you love at risk? Be prepared. Completely avoiding an allergen is impossible. There are treatments that reverse the symptoms of a severe allergic reaction. If you or someone in your family has had any of these symptoms after contact with items like these, talk to your doctor.