2024年8月24日 · Symptoms. Allergy symptoms depend on what allergen is involved. The symptoms can affect the airways, sinuses and nasal passages, skin, and digestive system. Allergic reactions can range from mild to severe. Sometimes, allergies can trigger a life-threatening reaction known as anaphylaxis. Hay fever, also called allergic rhinitis, can cause ...

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.

2024年8月30日 · For some people, an allergic reaction to a particular food may be uncomfortable but not severe. For other people, a food allergy reaction can be frightening and even life-threatening. Food allergy symptoms usually develop within a few minutes to two hours after eating the offending food.

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20日 · Symptoms. An allergic response to peanuts usually occurs within minutes after exposure. Peanut allergy signs and symptoms can include: Skin reactions, such as hives, redness or swelling. Itching or tingling in or around the mouth and throat. Digestive problems, such as diarrhea, stomach cramps, nausea or vomiting. Tightening of the throat.

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.

2022年11月15日 · Get emergency medical treatment if you have symptoms of a serious allergic reaction that causes trouble breathing, called anaphylaxis, such as: Trouble breathing. Rapid, weak pulse. Dizzy or lightheaded feeling. Drooling and not being able to swallow. Full-body redness and warmth, called flushing.

2021年9月29日 · It's important to understand and discuss what is an allergic reaction, what is a typical side effect and what you can tolerate in taking a medication. Call 911 or emergency medical help if you experience signs of a severe reaction or …

2022年6月11日 · Egg allergy symptoms can include: Skin inflammation or hives — the most common egg allergy reaction; Nasal congestion, runny nose and sneezing (allergic rhinitis) Digestive symptoms, such as cramps, nausea and vomiting; Asthma signs and symptoms such as coughing, wheezing, chest tightness or shortness of breath

2021年8月4日 · Pet allergy is an allergic reaction to proteins found in an animal's skin cells, saliva or urine. Signs of pet allergy include those common to hay fever, such as sneezing and runny nose. Some people may also experience signs of asthma, such …