: exaggerated or pathological immunological reaction (as by sneezing, difficult breathing, itching, or skin rashes) to substances, situations, or physical states that are without comparable effect on the average individual. : medical practice concerned with allergies. : a feeling of antipathy or aversion. Recent Examples on the Web.

ALLERGY翻译：变应性;过敏反应;过敏性。 了解更多。

ALLERGY definition: 1. a condition that makes a person become sick or develop skin or breathing problems because they…. Learn more.

Allergies, also known as allergic diseases, are various conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. [11] These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis. [1]

SPF 25 safeguards skin against sun most harmful effects · Leaves skin soft, smooth, fair & staying young · Allergy tested. 防晒度25可保护肌肤抵抗阳光损害,令肌肤柔软幼滑而细致, 保持年青,经过敏测试,不含香料、不含 油脂,适合极干性皮肤.

If you have a particular allergy, you become ill or get a rash when you eat, smell, or touch something that does not normally make people ill. Allergy to cats is one of the commonest causes of asthma.

If you have a particular allergy, you become ill or get a rash when you eat, smell, or touch something that does not normally make people ill.

Hypersensitivity to body contact with a foreign substance (an ALLERGEN), especially grass or tree pollens, foods, dust, mites or certain metals such as nickel. The effect may take several forms, including weals (URTICARIA), DERMATITIS, ASTHMA or hay fever (ALLERGIC RHINITIS). Allergy is mediated by the E class of antibodies (IgE).

An allergy is a chronic condition involving an abnormal reaction to an ordinarily harmless substance called an allergen. Allergens can include aeroallergens such as dust mite, mold, and tree weed and grass pollen, as well as food allergens such as …

If you have a particular allergy, you become ill or get a rash when you eat, smell, or touch something that does not normally make people ill.