Anaphylaxis is an extreme allergic reaction caused by the immune system responding to a harmless substance as if it is a threat. Read on for common signs and symptoms of this severe and rare allergic response.
What are the common signs and symptoms of anaphylaxis?
Also known as anaphylactic shock, people with the condition may first notice a sense of impending doom as well as feeling lightheaded and confused. A raised, red rash called hives can appear anywhere on the body as well as skin itchiness. This life-threatening condition causes the mouth, throat and tongue to swell which can lead to problems breathing or swallowing. The hands, feet, eyes and lips may also become swollen. Some sufferers may experience abdominal pain and nausea followed by vomiting. In some cases, this can lead to people collapsing and losing consciousness.
How long does it take for symptoms to appear?
The reaction is normally rapid, affecting the whole body minutes after exposure to particular triggers. However, some people may experience symptoms up to several hours after they first come into contact with the substance they are allergic to.
How long do anaphylactic symptoms last?
Anaphylaxis symptoms should not be ignored as they do not go away on their own. Emergency medical treatment should be found as soon as possible. Whilst the condition is life-threatening, it rarely results in death as the majority of people recover when they receive swift and suitable treatment.
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