Anaphylactic
Anaphylactic
Anaphylactic (pronunciation: /ˌanəfəˈlaktik/) is a severe, potentially life-threatening allergic reaction. It can occur within seconds or minutes of exposure to something you're allergic to, such as peanuts or bee stings.
Etymology
The term "anaphylactic" is derived from the Greek words "ana" (against) and "phylaxis" (protection).
Definition
Anaphylactic is an adjective that describes the severe, rapid onset of an allergic reaction. This reaction can affect multiple body systems, including the skin, respiratory system, gastrointestinal system, and cardiovascular system. The most severe form of an anaphylactic reaction is known as an anaphylactic shock, which can be life-threatening.
Symptoms
Symptoms of an anaphylactic reaction can include:
- Difficulty breathing due to swelling of the throat
- Rapid, weak pulse
- Nausea, vomiting or diarrhea
- Dizziness or fainting
Causes
Anaphylactic reactions are caused by the body's immune system overreacting to a substance it considers harmful, known as an allergen. Common allergens that can trigger an anaphylactic reaction include certain foods, some medications, insect venom, and latex.
Treatment
Treatment for an anaphylactic reaction typically involves an injection of epinephrine, also known as adrenaline. This helps to reduce the body's allergic response. Other treatments may include antihistamines and steroids.
Related Terms
- Allergy: A reaction by your immune system to something that does not bother most other people.
- Epinephrine: A medication used to treat severe allergic reactions.
- Anaphylactic shock: A severe and potentially life-threatening form of anaphylactic reaction.
External links
- Medical encyclopedia article on Anaphylactic
- Wikipedia's article - Anaphylactic
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