Allergy symptoms can range from mild to severe, even life-threatening. Most allergies can't be cured, but treatments can help. An allergy is a reaction by your immune system. Substances that cause reactions include pollen and food. Find the full list of allergies and symptoms. allergy n noun: Refers to person, place, thing, quality, etc. informal, figurative (dislike, aversion) ( figuré ) allergie nf nom féminin : s'utilise avec les articles la , l' (devant une voyelle ou un h muet), une . Allergy, the official journal of the European Academy of Allergy and Clinical Immunology (EAACI), aims to advance, impact and communicate all aspects of the discipline of Allergy/Immunology including educational, basic, translational and clinical research and maintain contact between basic and clinical Allergy/Immunology. Sneezing, difficulty breathing, cramps, and vomiting–all are allergy symptoms. Learn the types of allergies, specific allergy symptoms, and emergency warning signs. If allergies and asthma run in your family, you're more likely to develop a mold allergy. Working in an occupation that exposes you to mold. Occupations where mold exposure may be high include farming, dairy work, logging, baking, millwork, carpentry, greenhouse work, winemaking and furniture repair. Skin allergies may be a sign or symptom of an allergy. They may also be the direct result of exposure to an allergen. They may also be the direct result of exposure to an allergen. Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis. .