What types of reactions or side effects might result from an allergy injection?
Allergy shots usually cause no immediate problem. The only common side effect is localized swelling at the site of the injection, usually no larger than a quarter. Ice applied to the site of the swelling will help relieve some of the discomfort. There also are medications that may help avoid this side effect. Do not scratch or massage the injection site. Scratching may worsen the local reaction. You should not expect to have a major flare-up of your allergy symptoms after a shot. Notify us or the physician administering the injection immediately if you think you are having a reaction to an injection. Symptoms suggesting a reaction include: • any allergy symptom that occurs at a location other than the site of the injection • chest congestion or wheezing • swelling of the tongue or throat • itching at any location • hives • abdominal cramping • light-headedness These “anaphylactic” reactions must be treated promptly by the physician and staff. Most serious reactions begin within 20 to 3
