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- Created 2012-03-15
is a serious
that is rapid in onset and may cause death. It typically causes a number of symptoms including an itchy rash, throat swelling, and
low blood pressure
. Common causes include insect bites/stings, foods, and medications.
level, anaphylaxis is caused by the release of mediators from certain types of
white blood cell
s triggered either by
or non-immunologic mechanisms. It is diagnosed on the basis of the presenting symptoms and signs. The primary treatment is injection of
, the administration of intravenous fluids, and positioning the person flat, with other measures being complementary.
Worldwide, 0.05–2% of the population is estimated to have anaphylaxis at some point in life, and rates appear to be increasing. The term comes from the
words ἀνά ana,
, and φύλαξις phylaxis,
from Wikipedia (last updated: 13 December), licensed under
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Emergency treatment of anaphylactic reactions
First aid for anaphylactic shock
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