Anaphylaxis is a serious, potentially fatal allergic reaction and medical emergency that is rapid in onset and requires immediate medical attention regardless of the availability of on-site treatments while not …

Apr 16, 2025 · Anaphylaxis 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. …

Oct 17, 2023 · Anaphylaxis is a life-threatening allergic reaction. It causes difficulty breathing. Learn what to do if you or someone is in anaphylaxis.

Anaphylactic reactions often begin with a feeling of uneasiness, followed by tingling sensations and dizziness. People then rapidly develop severe symptoms, including generalized itching and hives, …

Jun 17, 2025 · Anaphylaxis can happen when you have a severe reaction to certain allergens. Learn what the symptoms are and what to do if you experience anaphylaxis.

Apr 1, 2025 · Allergies and anaphylaxis: common immune responses to allergens. Discover symptoms, triggers, treatments, and the importance of emergency preparedness.

Anaphylaxis, also called allergic or anaphylactic shock, is a sudden, severe and life-threatening allergic reaction that involves the whole body.

Jul 1, 2025 · Anaphylactic shock is a life-threatening allergic reaction. Signs can include hives and low blood pressure. Here’s how to identify and treat anaphylaxis.

Sep 25, 2025 · Anaphylaxis symptoms can affect several body systems and range from hives to trouble breathing to dangerously low blood pressure.

An overview of anaphylaxis symptoms, diagnosis, treatment and management written and reviewed by the leading experts in allergy, asthma and immunology.