Food allergy - Symptoms and causes - Mayo Clinic
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.
Allergies - Symptoms and causes - Mayo Clinic
2024年8月24日 · A food allergy can cause: Tingling in the mouth. Swelling of the lips, tongue, face or throat. Itchy welts called hives. Stuffy nose, sneezing or teary eyes that itch. Stomach cramps, vomiting or diarrhea. Anaphylaxis. An insect sting allergy can cause: Pain and a large area of swelling called edema at the sting site. Itching or hives all over ...
Food allergy - Diagnosis and treatment - Mayo Clinic
2024年8月30日 · If you suspect you have a food allergy, avoid exposure to the food altogether until your appointment. If you do eat the food and have a mild reaction, nonprescription antihistamines may help relieve symptoms. If you have a more severe reaction and any symptoms of anaphylaxis, seek emergency help. By Mayo Clinic Staff.
Shellfish allergy - Symptoms and causes - Mayo Clinic
2024年7月2日 · Shellfish is a common food allergy. Some people with shellfish allergy react to all shellfish, while others react to only certain kinds. Reactions range from mild symptoms — such as hives or a stuffy nose — to severe and even life-threatening.
Milk allergy - Symptoms & causes - Mayo Clinic
2022年6月16日 · Milk intolerance requires different treatment from true milk allergy. Common signs and symptoms of milk protein intolerance or lactose intolerance include digestive problems, such as bloating, gas or diarrhea, after consuming milk or products containing milk.
Mold allergy - Symptoms & causes - Mayo Clinic
2021年6月21日 · Signs and symptoms of allergic rhinitis caused by a mold allergy can include: Sneezing; Runny or stuffy nose; Cough and postnasal drip; Itchy eyes, nose and throat; Watery eyes; Dry, scaly skin; Mold allergy symptoms vary from …
Egg allergy - Symptoms & causes - Mayo Clinic
2022年6月11日 · Egg allergy symptoms usually occur a few minutes to a few hours after eating eggs or foods containing eggs. Signs and symptoms range from mild to severe and can include skin rashes, hives, nasal congestion, and vomiting or other digestive problems.
Food allergy vs. food intolerance: What's the difference?
2024年2月28日 · A true food allergy affects the immune system. Even small amounts of the offending food can trigger a range of symptoms, which can be severe or life-threatening. In contrast, a food intolerance often affects only the digestive …
Wheat allergy - Symptoms & causes - Mayo Clinic
2022年3月5日 · A child or adult with wheat allergy is likely to develop signs and symptoms within minutes to hours after eating something containing wheat. Wheat allergy signs and symptoms include: Swelling, itching or irritation of the mouth or throat. Hives, itchy rash or swelling of the skin. Nasal congestion.
Eosinophilic esophagitis - Symptoms and causes - Mayo Clinic
2024年7月2日 · Symptoms. Signs and symptoms include: Adults: Difficulty swallowing, also called dysphagia; Food getting stuck in the esophagus after swallowing, also known as impaction; Chest pain that is often centrally located and does not respond to antacids; Backflow of undigested food, known as regurgitation; Children: Difficulty feeding, in infants