Allergies - Symptoms and causes - Mayo Clinic
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.
Food allergy - Symptoms and causes - Mayo Clinic
2024年8月30日 · Causes. When you have a food allergy, your immune system mistakenly identifies a specific food or a substance in food as something harmful. In response, your …
Drug allergy - Symptoms and causes - Mayo Clinic
2024年11月9日 · Causes. A drug allergy happens when the immune system mistakenly identifies a medicine as a harmful substance, such as a virus or bacterium. Once the immune system …
Wheat allergy - Symptoms & causes - Mayo Clinic
2022年3月5日 · Wheat allergy is an allergic reaction to foods containing wheat. Allergic reactions can be caused by eating wheat and also, in some cases, by inhaling wheat flour.
Peanut allergy - Symptoms and causes - Mayo Clinic
2024年8月20日 · Overview. Peanut allergy is a condition that causes the body's germ-fighting immune system to react to peanuts. It's one of the most common causes of a life-threatening …
Cold or allergy: Which is it? - Mayo Clinic
2024年2月13日 · Some symptoms of colds and allergic reactions are the same, such as a runny or stuffy nose, and sneezing. But there are differences. For example, people with seasonal …
Contact dermatitis - Symptoms and causes - Mayo Clinic
2024年5月2日 · Contact dermatitis is an itchy rash caused by direct contact with a substance or an allergic reaction to it. The rash isn't contagious, but it can be very uncomfortable.
Seasonal allergies: Nip them in the bud - Mayo Clinic
2024年2月28日 · Seasonal allergy signs and symptoms can flare up when there's a lot of pollen in the air. These steps can help you reduce your exposure: Check your local TV or radio station, …
Egg allergy - Symptoms & causes - Mayo Clinic
2022年6月11日 · Egg allergy reactions vary from person to person and usually occur soon after exposure to egg. Egg allergy symptoms can include: Skin inflammation or hives — the most …
Allergy medications: Know your options - Mayo Clinic
2024年10月19日 · Side effects can include an unpleasant taste, nasal irritation and nosebleeds. Examples of glucocorticoid nasal sprays: Mometasone (Nasonex). Fluticasone furoate …