Many kinds of allergic reactions are more annoying than harmful. Not anaphylaxis (pronounced an-uh-fil-LAX-is). If not addressed promptly, it can cause a potentially fatal condition called ...

Blood transfusion, which are usually life-saving procedures, can become life-threatening if they trigger an allergic reaction. However, the mechanisms behind allergic transfusion reactions are not ...

For 22-year-old Leticia Paul, a routine CT scan turned tragically fatal after she went into anaphylactic shock and died within a day. According to doctors, Leticia suffered a severe allergic reaction ...

An allergic reaction happens when your immune system defends against substances that otherwise wouldn’t pose a threat to your ...

Anaphylaxis can cause severe itching, difficulty breathing, fainting, and abdominal pain. These symptoms usually begin about 30 minutes after coming into contact with an allergy trigger. First, call ...