2024年8月24日 · 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.

2024年8月30日 · Food allergy is an immune system reaction that happens soon after eating a certain food. Even a tiny amount of the allergy-causing food can trigger symptoms such as hives, swollen airways and digestive problems. In some people, a food allergy can cause severe symptoms or even a life-threatening reaction known as anaphylaxis.

2024年8月13日 · Hay fever, also called allergic rhinitis, causes cold-like symptoms. These may include a runny nose, itchy eyes, congestion, sneezing and sinus pressure. But unlike a cold, hay fever isn't caused by a virus.

2024年2月28日 · Spring means flower buds and blooming trees — and if you're one of the millions of people who have seasonal allergies, it also means sneezing, congestion, a runny nose and other bothersome symptoms. Seasonal allergies — also called hay fever and allergic rhinitis — can make you miserable.

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.

2021年10月2日 · Anaphylaxis symptoms usually occur within minutes of exposure to an allergen. Sometimes, however, anaphylaxis can occur a half-hour or longer after exposure. In rare cases, anaphylaxis may be delayed for hours. Signs and symptoms include: Skin reactions, including hives and itching and flushed or pale skin; Low blood pressure (hypotension)

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 …

2022年6月16日 · Signs and symptoms of milk allergy range from mild to severe and can include wheezing, vomiting, hives and digestive problems. Milk allergy can also cause anaphylaxis — a severe, life-threatening reaction.

2021年7月31日 · Dust mite allergy is an allergic reaction to tiny bugs that commonly live in house dust. Signs of dust mite allergy include those common to hay fever, such as sneezing and runny nose. Many people with dust mite allergy also experience signs of asthma, such as wheezing and difficulty breathing.

2021年8月3日 · Nickel allergy signs and symptoms include: Rash or bumps on the skin; Itching, which may be severe; Redness or changes in skin color; Dry patches of skin that may resemble a burn; Blisters and draining fluid in severe cases