Allergic Reaction, Severe
What is a severe allergic reaction?
A severe allergic reaction is called an anaphylactic reaction. It
is an immediate, severe reaction to a bee sting, drug, food, or
other item. The symptoms begin within 30 to 60 minutes and are:
- wheezing, croupy cough, or trouble breathing
- tightness in the chest or throat (voice may become hoarse)
- dizziness or passing out (skin may get bluish)
- swelling of lips, tongue, or throat
- widespread hives, swelling, or itching. (If these symptoms
occur without the symptoms listed above, your child is
probably not having an anaphylactic reaction. However, hives,
swelling, or itching often occur with other serious symptoms
when a child has a severe allergic reaction.)
- vomiting, diarrhea, or stomach cramps.
What should I do if my child has a severe allergic reaction?
- Call 911 IMMEDIATELY.
Call the rescue squad (911) if your child is having trouble
breathing or passes out. Have your child lie down with the
feet elevated to prevent shock.
- Give epinephrine
If you have a emergency kit with prescription epinephrine
(such as EpiPen), give a shot of it to your child immediately.
It can save your child's life. Inject it into the muscle or
fat layer of the outer part of the upper thigh.
Don't hesitate to give epinephrine. If there is any
possibility your child is having symptoms of an anaphylactic
reaction, give the epinephrine immediately. In addition, if
your child had a life-threatening reaction in the past and now
has been re-exposed to the same allergic substance (for
example, food, or bee sting), give the epinephrine BEFORE your
child develops symptoms. Epinephrine will not hurt your child
even if he is not having an allergic reaction and it could
save his or her life.
- Give an antihistamine
If you have Benadryl at home, give it. If not, check if you
have another antihistamine or cold medicine that has any
antihistamine in it. If you do, give one dose immediately in
addition to the shot of epinephrine.
- Treat stings
If a bee stinger is left in the skin, remove it. Do this by
scraping the stinger off with a knife blade or credit card
rather than by squeezing it.
If your child stops breathing, start CPR.
What can I do to prevent an allergic reaction?
The only way to prevent a reaction is to AVOID contact with the
food, drug, or other item causing the problem. It is very
important to learn to read food labels.
All children with anaphylactic reactions need to be evaluated
later by an allergist. For bee sting reactions, desensitization is
helpful. Since the reactions can be fatal, you should keep
emergency kits containing epinephrine at home, school, and in a
backpack (or fanny pack). You will need a prescription. The
allergist or your child's usual healthcare provider may prescribe
epinephrine. In case of a severe reaction, epinephrine is need
immediately.
Educate others about your child's allergy (what your child needs
to avoid, the symptoms of a reaction, and what to do if the child
has a reaction). Tell all pharmacists, healthcare providers, and
dentists who treat your child about any allergies he has. Some
medicines contain ingredients that may cause an allergic reaction.
Also, your child should have a medical ID necklace or bracelet
that tells the insect, drug, or food allergy. Some ID necklaces
and bracelets can be found in pharmacies.
Written by B.D. Schmitt, MD, author of "Your Child's Health," Bantam Books.
Published by
RelayHealth.
Last modified: 2007-04-27
Last reviewed: 2008-06-09
This content is reviewed periodically and is subject to
change as new health information becomes available. The
information is intended to inform and educate and is not a
replacement for medical evaluation, advice, diagnosis or
treatment by a healthcare professional.
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