A study of more than 700,000 CT scans with iodinated contrast found an overall anaphylaxis incidence of 0.02%. Of these cases, 10% required three or more doses of epinephrine or initiation of IV ...
Angioedema and anaphylaxis are two different conditions, but they share many of the same triggers and symptoms. Angioedema is swelling in the tissues underneath the skin. It’s marked by sudden changes ...