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Anaphylaxis

Anaphylaxis

Dr. Lipika Khurana
Written By Dr. Lipika KhuranaPGDHHM, BDS
Reviewed By Dr. Rajeev Sharma
MBA, MBBS
Last updated on: 24 Feb 2026 | 11:17 AM (IST)
Also known as Severe allergic reaction, Hypersensitivity reaction, Anaphylactic shock, and Allergic shock.
Overview

Anaphylaxis is a severe, life-threatening allergic reaction that can affect multiple systems of the body at the same time. Common triggers of this reaction include certain foods, insect stings, some medications, or latex. However, anaphylaxis is rare. The majority of people, even those with allergies, might never suffer from an episode of anaphylaxis.

The symptoms of anaphylaxis include tongue swelling, vomiting, difficulty in breathing, mental confusion and even shock. These symptoms occur due to over reaction of the immune system.

People with allergies, asthma and a family history of anaphylaxis are at a higher risk of anaphylaxis. If someone is at a higher risk or has a known serious allergy, avoidance is the best form of treatment.

Anaphylaxis requires immediate medical treatment because if it is not treated timely or properly, it can be fatal. If someone has a history of a serious allergic reaction, it is important always to carry an adrenaline(epinephrine) kit.

Accurate diagnosis and successful management of allergies is essential to prevent any  anaphylactic reactions in the future. An allergist or immunologist, has specialized training and experience to diagnose the problem and develop a prevention plan. 

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Overview
Key Facts
Symptoms
Causes
Risk factors
Diagnosis
Prevention
Specialist to visit
Treatment
Complications
Alternatives therapies
Living with
FAQs
References