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There are many people in the world who have severe allergies to a variety of different foods, medications, and substances. When these individuals come into contact with something that they are allergic to, they experience an allergic reaction. One of these reactions, anaphylaxis, may cause their immune system to flood their body with special chemicals, leading to anaphylactic shock. Though many people use the terms anaphylaxis and anaphylactic shock interchangeably, there are important distinctions between the two.

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1. Anaphylaxis

Of the possible allergic reactions, anaphylaxis is among the most dangerous. Not only is it life-threatening, but it also has several classifications. One of these classifications, anaphylactic shock, is unique in its causes and characteristics. Specifically, anaphylactic shock features low blood pressure that originates from vasodilation, which is a widening of the blood vessels. Around .05 to 2% of the world’s population will experience anaphylaxis at some point in their lives.

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