2021年10月2日 · Anaphylaxis is a severe, life-threatening allergic reaction. It can happen seconds or minutes after you’ve been exposed to something you’re allergic to. Peanuts or bee stings are examples. In anaphylaxis, the immune system releases a flood of chemicals that can cause the body to go into shock.

2021年10月2日 · Anaphylaxis, a severe allergic reaction, is an emergency. Learn who's at risk, what to watch for and what to do when it occurs.

2024年8月24日 · Some types of allergies can trigger a severe reaction known as anaphylaxis. Certain foods, insect stings and medicines are among the allergens that can set off this life-threatening emergency. Anaphylaxis can cause you to go into shock. Other symptoms include: Passing out. A drop in blood pressure. Severe shortness of breath and throat tightness.

2024年6月18日 · If you're with someone having an allergic reaction with signs of anaphylaxis, call 911 or your local medical emergency number right away. Don't wait to see whether symptoms get better. Seek emergency treatment right away. Severe untreated anaphylaxis can lead to death within half an hour.

2024年8月24日 · If you have a severe allergy, you might need to carry an emergency epinephrine shot at all times. An epinephrine shot (Auvi-Q, EpiPen, others) can ease symptoms of a severe allergic reaction until you get emergency treatment.

2024年11月9日 · The most common symptoms of drug allergy are hives, rash and fever. But a drug allergy also may cause serious reactions. This includes a severe, life-threatening condition known as anaphylaxis.

2024年8月30日 · In some people, a food allergy can trigger a severe allergic reaction called anaphylaxis. This can cause life-threatening symptoms, including: Constriction and tightening of the airways. A swollen throat or the sensation of a lump in your throat that makes it hard to breathe. Shock with a severe drop in blood pressure. Rapid pulse.

2024年10月24日 · Bee sting symptoms can range from pain and swelling to a life-threatening allergic reaction. Having one type of reaction doesn't mean you'll always have the same reaction every time you're stung or that the next reaction will be more severe.

2021年9月29日 · Common signs and symptoms of penicillin allergy include hives, rash and itching. Severe reactions include anaphylaxis, a life-threatening condition that affects multiple body systems. Research has shown that penicillin allergies may be over-reported — a problem that can result in the use of less-appropriate and more-expensive antibiotic ...

2024年8月30日 · However, antihistamines can't treat a severe allergic reaction. For a severe allergic reaction, you may need an emergency injection of epinephrine and a trip to the emergency room. Many people with allergies carry an …